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Concedo
3319 lines
119 KiB
C
3319 lines
119 KiB
C
/*
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* Copyright 1993-2021 NVIDIA Corporation. All rights reserved.
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*
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* NOTICE TO LICENSEE:
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*
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* This source code and/or documentation ("Licensed Deliverables") are
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* subject to NVIDIA intellectual property rights under U.S. and
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* international Copyright laws.
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*
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* These Licensed Deliverables contained herein is PROPRIETARY and
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* CONFIDENTIAL to NVIDIA and is being provided under the terms and
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* conditions of a form of NVIDIA software license agreement by and
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* between NVIDIA and Licensee ("License Agreement") or electronically
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* accepted by Licensee. Notwithstanding any terms or conditions to
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* the contrary in the License Agreement, reproduction or disclosure
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* of the Licensed Deliverables to any third party without the express
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* written consent of NVIDIA is prohibited.
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*
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* NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
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* LICENSE AGREEMENT, NVIDIA MAKES NO REPRESENTATION ABOUT THE
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* SUITABILITY OF THESE LICENSED DELIVERABLES FOR ANY PURPOSE. IT IS
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* PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND.
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* NVIDIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THESE LICENSED
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* DELIVERABLES, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY,
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* NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE.
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* NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
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* LICENSE AGREEMENT, IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY
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* SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY
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* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THESE LICENSED DELIVERABLES.
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*
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* U.S. Government End Users. These Licensed Deliverables are a
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* "commercial item" as that term is defined at 48 C.F.R. 2.101 (OCT
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* 1995), consisting of "commercial computer software" and "commercial
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* computer software documentation" as such terms are used in 48
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* C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Government
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* only as a commercial end item. Consistent with 48 C.F.R.12.212 and
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* 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), all
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* U.S. Government End Users acquire the Licensed Deliverables with
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* only those rights set forth herein.
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*
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* Any use of the Licensed Deliverables in individual and commercial
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* software must include, in the user documentation and internal
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* comments to the code, the above Disclaimer and U.S. Government End
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* Users Notice.
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*/
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#if !defined(__CUDA_INCLUDE_COMPILER_INTERNAL_HEADERS__)
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#if defined(_MSC_VER)
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#pragma message("crt/device_functions.h is an internal header file and must not be used directly. Please use cuda_runtime_api.h or cuda_runtime.h instead.")
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#else
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#warning "crt/device_functions.h is an internal header file and must not be used directly. Please use cuda_runtime_api.h or cuda_runtime.h instead."
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#endif
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#define __CUDA_INCLUDE_COMPILER_INTERNAL_HEADERS__
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#define __UNDEF_CUDA_INCLUDE_COMPILER_INTERNAL_HEADERS_DEVICE_FUNCTIONS_H__
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#endif
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#if !defined(__DEVICE_FUNCTIONS_H__)
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#define __DEVICE_FUNCTIONS_H__
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/*******************************************************************************
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* *
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* *
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* *
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*******************************************************************************/
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#if defined(__cplusplus) && defined(__CUDACC__)
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#if defined(__CUDACC_RTC__)
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#define __DEVICE_FUNCTIONS_DECL__ __device__ __cudart_builtin__
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#define __DEVICE_FUNCTIONS_STATIC_DECL__ __device__ __cudart_builtin__
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#else
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#define __DEVICE_FUNCTIONS_DECL__ __device__ __cudart_builtin__
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#define __DEVICE_FUNCTIONS_STATIC_DECL__ static __inline__ __device__ __cudart_builtin__
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#endif /* __CUDACC_RTC__ */
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#include "builtin_types.h"
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#include "device_types.h"
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#include "host_defines.h"
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/*******************************************************************************
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* *
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* *
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* *
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*******************************************************************************/
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extern "C"
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{
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/**
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* \ingroup CUDA_MATH_INTRINSIC_INT
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* \brief Calculate the most significant 32 bits of the product of the two 32-bit integers.
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*
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* Calculate the most significant 32 bits of the 64-bit product \p x * \p y, where \p x and \p y
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* are 32-bit integers.
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*
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* \return Returns the most significant 32 bits of the product \p x * \p y.
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*/
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __mulhi(int x, int y);
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/**
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* \ingroup CUDA_MATH_INTRINSIC_INT
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* \brief Calculate the most significant 32 bits of the product of the two 32-bit unsigned integers.
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*
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* Calculate the most significant 32 bits of the 64-bit product \p x * \p y, where \p x and \p y
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* are 32-bit unsigned integers.
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*
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* \return Returns the most significant 32 bits of the product \p x * \p y.
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*/
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __umulhi(unsigned int x, unsigned int y);
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/**
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* \ingroup CUDA_MATH_INTRINSIC_INT
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* \brief Calculate the most significant 64 bits of the product of the two 64-bit integers.
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*
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* Calculate the most significant 64 bits of the 128-bit product \p x * \p y, where \p x and \p y
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* are 64-bit integers.
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*
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* \return Returns the most significant 64 bits of the product \p x * \p y.
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*/
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ long long int __mul64hi(long long int x, long long int y);
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/**
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* \ingroup CUDA_MATH_INTRINSIC_INT
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* \brief Calculate the most significant 64 bits of the product of the two 64 unsigned bit integers.
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*
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* Calculate the most significant 64 bits of the 128-bit product \p x * \p y, where \p x and \p y
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* are 64-bit unsigned integers.
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*
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* \return Returns the most significant 64 bits of the product \p x * \p y.
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*/
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned long long int __umul64hi(unsigned long long int x, unsigned long long int y);
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/**
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* \ingroup CUDA_MATH_INTRINSIC_CAST
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* \brief Reinterpret bits in an integer as a float.
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*
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* Reinterpret the bits in the signed integer value \p x as a single-precision
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* floating-point value.
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* \return Returns reinterpreted value.
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*/
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __int_as_float(int x);
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/**
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* \ingroup CUDA_MATH_INTRINSIC_CAST
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* \brief Reinterpret bits in a float as a signed integer.
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*
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* Reinterpret the bits in the single-precision floating-point value \p x
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* as a signed integer.
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* \return Returns reinterpreted value.
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*/
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __float_as_int(float x);
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/**
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* \ingroup CUDA_MATH_INTRINSIC_CAST
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* \brief Reinterpret bits in an unsigned integer as a float.
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*
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* Reinterpret the bits in the unsigned integer value \p x as a single-precision
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* floating-point value.
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* \return Returns reinterpreted value.
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*/
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __uint_as_float(unsigned int x);
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/**
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* \ingroup CUDA_MATH_INTRINSIC_CAST
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* \brief Reinterpret bits in a float as a unsigned integer.
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*
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* Reinterpret the bits in the single-precision floating-point value \p x
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* as a unsigned integer.
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* \return Returns reinterpreted value.
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*/
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __float_as_uint(float x);
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ void __syncthreads(void);
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ void __prof_trigger(int);
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ void __threadfence(void);
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ void __threadfence_block(void);
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__DEVICE_FUNCTIONS_DECL__
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#if defined(__GNUC__) || defined(__CUDACC_RTC__)
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__attribute__((__noreturn__))
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#elif defined(_MSC_VER)
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__declspec(noreturn)
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#endif /* defined(__GNUC__) || defined(__CUDACC_RTC__) */
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__device_builtin__ void __trap(void);
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ void __brkpt();
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/**
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* \ingroup CUDA_MATH_INTRINSIC_SINGLE
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* \brief Clamp the input argument to [+0.0, 1.0].
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*
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* Clamp the input argument \p x to be within the interval [+0.0, 1.0].
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* \return
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* - __saturatef(\p x) returns 0 if \p x < 0.
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* - __saturatef(\p x) returns 1 if \p x > 1.
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* - __saturatef(\p x) returns \p x if
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* \latexonly $0 \le x \le 1$ \endlatexonly
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* \xmlonly
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* <d4p_MathML outputclass="xmlonly">
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* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
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* <m:mn>0</m:mn>
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* <m:mo>≤<!-- &Le --></m:mo>
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* <m:mi>x</m:mi>
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* <m:mo>≤<!-- &Le --></m:mo>
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* <m:mn>1</m:mn>
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* </m:math>
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* </d4p_MathML>\endxmlonly.
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* - __saturatef(NaN) returns 0.
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*/
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __saturatef(float x);
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/**
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* \ingroup CUDA_MATH_INTRINSIC_INT
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* \brief Calculate
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* \latexonly $|x - y| + z$ \endlatexonly
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* \xmlonly
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* <d4p_MathML outputclass="xmlonly">
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* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
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* <m:mrow class="MJX-TeXAtom-ORD">
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* <m:mo stretchy="false">|</m:mo>
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* </m:mrow>
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* <m:mi>x</m:mi>
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* <m:mo>−<!-- &Minus --></m:mo>
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* <m:mi>y</m:mi>
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* <m:mrow class="MJX-TeXAtom-ORD">
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* <m:mo stretchy="false">|</m:mo>
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* </m:mrow>
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* <m:mo>+</m:mo>
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* <m:mi>z</m:mi>
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* </m:math>
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* </d4p_MathML>
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* \endxmlonly
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* , the sum of absolute difference.
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*
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* Calculate
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* \latexonly $|x - y| + z$ \endlatexonly
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* \xmlonly
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* <d4p_MathML outputclass="xmlonly">
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* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
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* <m:mrow class="MJX-TeXAtom-ORD">
|
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* <m:mo stretchy="false">|</m:mo>
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* </m:mrow>
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* <m:mi>x</m:mi>
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* <m:mo>−<!-- &Minus --></m:mo>
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* <m:mi>y</m:mi>
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* <m:mrow class="MJX-TeXAtom-ORD">
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* <m:mo stretchy="false">|</m:mo>
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* </m:mrow>
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* <m:mo>+</m:mo>
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* <m:mi>z</m:mi>
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* </m:math>
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* </d4p_MathML>
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* \endxmlonly
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* , the 32-bit sum of the third argument \p z plus and the absolute
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* value of the difference between the first argument, \p x, and second
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* argument, \p y.
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*
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* Inputs \p x and \p y are signed 32-bit integers, input \p z is
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* a 32-bit unsigned integer.
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*
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* \return Returns
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* \latexonly $|x - y| + z$ \endlatexonly
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* \xmlonly
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* <d4p_MathML outputclass="xmlonly">
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* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
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* <m:mrow class="MJX-TeXAtom-ORD">
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* <m:mo stretchy="false">|</m:mo>
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* </m:mrow>
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* <m:mi>x</m:mi>
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* <m:mo>−<!-- &Minus --></m:mo>
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* <m:mi>y</m:mi>
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* <m:mrow class="MJX-TeXAtom-ORD">
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* <m:mo stretchy="false">|</m:mo>
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* </m:mrow>
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* <m:mo>+</m:mo>
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* <m:mi>z</m:mi>
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* </m:math>
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* </d4p_MathML>\endxmlonly.
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*/
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __sad(int x, int y, unsigned int z);
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/**
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* \ingroup CUDA_MATH_INTRINSIC_INT
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* \brief Calculate
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* \latexonly $|x - y| + z$ \endlatexonly
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* \xmlonly
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* <d4p_MathML outputclass="xmlonly">
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* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
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* <m:mrow class="MJX-TeXAtom-ORD">
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* <m:mo stretchy="false">|</m:mo>
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* </m:mrow>
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* <m:mi>x</m:mi>
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* <m:mo>−<!-- &Minus --></m:mo>
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* <m:mi>y</m:mi>
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* <m:mrow class="MJX-TeXAtom-ORD">
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* <m:mo stretchy="false">|</m:mo>
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* </m:mrow>
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* <m:mo>+</m:mo>
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* <m:mi>z</m:mi>
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* </m:math>
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* </d4p_MathML>
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* \endxmlonly
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* , the sum of absolute difference.
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*
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* Calculate
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* \latexonly $|x - y| + z$ \endlatexonly
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* \xmlonly
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* <d4p_MathML outputclass="xmlonly">
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* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
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* <m:mrow class="MJX-TeXAtom-ORD">
|
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* <m:mo stretchy="false">|</m:mo>
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* </m:mrow>
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* <m:mi>x</m:mi>
|
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* <m:mo>−<!-- &Minus --></m:mo>
|
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* <m:mi>y</m:mi>
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* <m:mrow class="MJX-TeXAtom-ORD">
|
|
* <m:mo stretchy="false">|</m:mo>
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* </m:mrow>
|
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* <m:mo>+</m:mo>
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* <m:mi>z</m:mi>
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* </m:math>
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* </d4p_MathML>
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* \endxmlonly
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* , the 32-bit sum of the third argument \p z plus and the absolute
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* value of the difference between the first argument, \p x, and second
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* argument, \p y.
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*
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* Inputs \p x, \p y, and \p z are unsigned 32-bit integers.
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*
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* \return Returns
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* \latexonly $|x - y| + z$ \endlatexonly
|
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* \xmlonly
|
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* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mrow class="MJX-TeXAtom-ORD">
|
|
* <m:mo stretchy="false">|</m:mo>
|
|
* </m:mrow>
|
|
* <m:mi>x</m:mi>
|
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* <m:mo>−<!-- &Minus --></m:mo>
|
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* <m:mi>y</m:mi>
|
|
* <m:mrow class="MJX-TeXAtom-ORD">
|
|
* <m:mo stretchy="false">|</m:mo>
|
|
* </m:mrow>
|
|
* <m:mo>+</m:mo>
|
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* <m:mi>z</m:mi>
|
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* </m:math>
|
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* </d4p_MathML>\endxmlonly.
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*/
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __usad(unsigned int x, unsigned int y, unsigned int z);
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/**
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* \ingroup CUDA_MATH_INTRINSIC_INT
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* \brief Calculate the least significant 32 bits of the product of the least significant 24 bits of two integers.
|
|
*
|
|
* Calculate the least significant 32 bits of the product of the least significant 24 bits of \p x and \p y.
|
|
* The high order 8 bits of \p x and \p y are ignored.
|
|
*
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* \return Returns the least significant 32 bits of the product \p x * \p y.
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*/
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __mul24(int x, int y);
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/**
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* \ingroup CUDA_MATH_INTRINSIC_INT
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* \brief Calculate the least significant 32 bits of the product of the least significant 24 bits of two unsigned integers.
|
|
*
|
|
* Calculate the least significant 32 bits of the product of the least significant 24 bits of \p x and \p y.
|
|
* The high order 8 bits of \p x and \p y are ignored.
|
|
*
|
|
* \return Returns the least significant 32 bits of the product \p x * \p y.
|
|
*/
|
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __umul24(unsigned int x, unsigned int y);
|
|
/**
|
|
* \ingroup CUDA_MATH_SINGLE
|
|
* \brief Divide two floating-point values.
|
|
*
|
|
* Compute \p x divided by \p y. If <tt>--use_fast_math</tt> is specified,
|
|
* use ::__fdividef() for higher performance, otherwise use normal division.
|
|
*
|
|
* \return Returns \p x / \p y.
|
|
*
|
|
* \note_accuracy_single
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* \note_fastmath
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|
*/
|
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__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float fdividef(float x, float y);
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|
/**
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|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Calculate the fast approximate division of the input arguments.
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|
*
|
|
* Calculate the fast approximate division of \p x by \p y.
|
|
*
|
|
* \return Returns \p x / \p y.
|
|
* - __fdividef(
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|
* \latexonly $\infty$ \endlatexonly
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|
* \xmlonly
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* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* , \p y) returns NaN for
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* \latexonly $2^{126} < |y| < 2^{128}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msup>
|
|
* <m:mn>2</m:mn>
|
|
* <m:mrow class="MJX-TeXAtom-ORD">
|
|
* <m:mn>126</m:mn>
|
|
* </m:mrow>
|
|
* </m:msup>
|
|
* <m:mo><</m:mo>
|
|
* <m:mi>|y|</m:mi>
|
|
* <m:mo><</m:mo>
|
|
* <m:msup>
|
|
* <m:mn>2</m:mn>
|
|
* <m:mrow class="MJX-TeXAtom-ORD">
|
|
* <m:mn>128</m:mn>
|
|
* </m:mrow>
|
|
* </m:msup>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
* - __fdividef(\p x, \p y) returns 0 for
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* \latexonly $2^{126} < |y| < 2^{128}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msup>
|
|
* <m:mn>2</m:mn>
|
|
* <m:mrow class="MJX-TeXAtom-ORD">
|
|
* <m:mn>126</m:mn>
|
|
* </m:mrow>
|
|
* </m:msup>
|
|
* <m:mo><</m:mo>
|
|
* <m:mi>|y|</m:mi>
|
|
* <m:mo><</m:mo>
|
|
* <m:msup>
|
|
* <m:mn>2</m:mn>
|
|
* <m:mrow class="MJX-TeXAtom-ORD">
|
|
* <m:mn>128</m:mn>
|
|
* </m:mrow>
|
|
* </m:msup>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* and finite
|
|
* \latexonly $x$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single_intrinsic
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fdividef(float x, float y);
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ double fdivide(double x, double y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Calculate the fast approximate sine of the input argument.
|
|
*
|
|
* Calculate the fast approximate sine of the input argument \p x, measured in radians.
|
|
*
|
|
* \return Returns the approximate sine of \p x.
|
|
*
|
|
* \note_accuracy_single_intrinsic
|
|
* \note Output in the denormal range is flushed to sign preserving 0.0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ __cudart_builtin__ float __sinf(float x) __THROW;
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Calculate the fast approximate cosine of the input argument.
|
|
*
|
|
* Calculate the fast approximate cosine of the input argument \p x, measured in radians.
|
|
*
|
|
* \return Returns the approximate cosine of \p x.
|
|
*
|
|
* \note_accuracy_single_intrinsic
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ __cudart_builtin__ float __cosf(float x) __THROW;
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Calculate the fast approximate tangent of the input argument.
|
|
*
|
|
* Calculate the fast approximate tangent of the input argument \p x, measured in radians.
|
|
*
|
|
* \return Returns the approximate tangent of \p x.
|
|
*
|
|
* \note_accuracy_single_intrinsic
|
|
* \note The result is computed as the fast divide of ::__sinf()
|
|
* by ::__cosf(). Denormal output is flushed to sign-preserving 0.0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ __cudart_builtin__ float __tanf(float x) __THROW;
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Calculate the fast approximate of sine and cosine of the first input argument.
|
|
*
|
|
* Calculate the fast approximate of sine and cosine of the first input argument \p x (measured
|
|
* in radians). The results for sine and cosine are written into the second
|
|
* argument, \p sptr, and, respectively, third argument, \p cptr.
|
|
*
|
|
* \return
|
|
* - none
|
|
*
|
|
* \note_accuracy_single_intrinsic
|
|
* \note Denorm input/output is flushed to sign preserving 0.0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ __cudart_builtin__ void __sincosf(float x, float *sptr, float *cptr) __THROW;
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Calculate the fast approximate base
|
|
* \latexonly $e$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>e</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* exponential of the input argument.
|
|
*
|
|
* Calculate the fast approximate base
|
|
* \latexonly $e$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>e</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* exponential of the input argument \p x,
|
|
* \latexonly $e^x$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msup>
|
|
* <m:mi>e</m:mi>
|
|
* <m:mi>x</m:mi>
|
|
* </m:msup>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \return Returns an approximation to
|
|
* \latexonly $e^x$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msup>
|
|
* <m:mi>e</m:mi>
|
|
* <m:mi>x</m:mi>
|
|
* </m:msup>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single_intrinsic
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ __cudart_builtin__ float __expf(float x) __THROW;
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Calculate the fast approximate base 10 exponential of the input argument.
|
|
*
|
|
* Calculate the fast approximate base 10 exponential of the input argument \p x,
|
|
* \latexonly $10^x$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msup>
|
|
* <m:mn>10</m:mn>
|
|
* <m:mi>x</m:mi>
|
|
* </m:msup>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \return Returns an approximation to
|
|
* \latexonly $10^x$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msup>
|
|
* <m:mn>10</m:mn>
|
|
* <m:mi>x</m:mi>
|
|
* </m:msup>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single_intrinsic
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ __cudart_builtin__ float __exp10f(float x) __THROW;
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Calculate the fast approximate base 2 logarithm of the input argument.
|
|
*
|
|
* Calculate the fast approximate base 2 logarithm of the input argument \p x.
|
|
*
|
|
* \return Returns an approximation to
|
|
* \latexonly $\log_2(x)$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msub>
|
|
* <m:mi>log</m:mi>
|
|
* <m:mn>2</m:mn>
|
|
* </m:msub>
|
|
* <m:mo>⁡<!-- &functionAplication --></m:mo>
|
|
* <m:mo stretchy="false">(</m:mo>
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo stretchy="false">)</m:mo>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single_intrinsic
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ __cudart_builtin__ float __log2f(float x) __THROW;
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Calculate the fast approximate base 10 logarithm of the input argument.
|
|
*
|
|
* Calculate the fast approximate base 10 logarithm of the input argument \p x.
|
|
*
|
|
* \return Returns an approximation to
|
|
* \latexonly $\log_{10}(x)$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msub>
|
|
* <m:mi>log</m:mi>
|
|
* <m:mrow class="MJX-TeXAtom-ORD">
|
|
* <m:mn>10</m:mn>
|
|
* </m:mrow>
|
|
* </m:msub>
|
|
* <m:mo>⁡<!-- &functionAplication --></m:mo>
|
|
* <m:mo stretchy="false">(</m:mo>
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo stretchy="false">)</m:mo>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single_intrinsic
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ __cudart_builtin__ float __log10f(float x) __THROW;
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Calculate the fast approximate base
|
|
* \latexonly $e$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>e</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* logarithm of the input argument.
|
|
*
|
|
* Calculate the fast approximate base
|
|
* \latexonly $e$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>e</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* logarithm of the input argument \p x.
|
|
*
|
|
* \return Returns an approximation to
|
|
* \latexonly $\log_e(x)$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msub>
|
|
* <m:mi>log</m:mi>
|
|
* <m:mi>e</m:mi>
|
|
* </m:msub>
|
|
* <m:mo>⁡<!-- &functionAplication --></m:mo>
|
|
* <m:mo stretchy="false">(</m:mo>
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo stretchy="false">)</m:mo>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single_intrinsic
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ __cudart_builtin__ float __logf(float x) __THROW;
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Calculate the fast approximate of
|
|
* \latexonly $x^y$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msup>
|
|
* <m:mi>x</m:mi>
|
|
* <m:mi>y</m:mi>
|
|
* </m:msup>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* Calculate the fast approximate of \p x, the first input argument,
|
|
* raised to the power of \p y, the second input argument,
|
|
* \latexonly $x^y$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msup>
|
|
* <m:mi>x</m:mi>
|
|
* <m:mi>y</m:mi>
|
|
* </m:msup>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \return Returns an approximation to
|
|
* \latexonly $x^y$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msup>
|
|
* <m:mi>x</m:mi>
|
|
* <m:mi>y</m:mi>
|
|
* </m:msup>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single_intrinsic
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ __cudart_builtin__ float __powf(float x, float y) __THROW;
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to a signed integer in round-to-nearest-even mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to a signed integer
|
|
* in round-to-nearest-even mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __float2int_rn(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to a signed integer in round-towards-zero mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to a signed integer
|
|
* in round-towards-zero mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __float2int_rz(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to a signed integer in round-up mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to a signed integer
|
|
* in round-up (to positive infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __float2int_ru(float);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to a signed integer in round-down mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to a signed integer
|
|
* in round-down (to negative infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __float2int_rd(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to an unsigned integer in round-to-nearest-even mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to an unsigned integer
|
|
* in round-to-nearest-even mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __float2uint_rn(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to an unsigned integer in round-towards-zero mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to an unsigned integer
|
|
* in round-towards-zero mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __float2uint_rz(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to an unsigned integer in round-up mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to an unsigned integer
|
|
* in round-up (to positive infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __float2uint_ru(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to an unsigned integer in round-down mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to an unsigned integer
|
|
* in round-down (to negative infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __float2uint_rd(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a signed integer to a float in round-to-nearest-even mode.
|
|
*
|
|
* Convert the signed integer value \p x to a single-precision floating-point value
|
|
* in round-to-nearest-even mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __int2float_rn(int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a signed integer to a float in round-towards-zero mode.
|
|
*
|
|
* Convert the signed integer value \p x to a single-precision floating-point value
|
|
* in round-towards-zero mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __int2float_rz(int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a signed integer to a float in round-up mode.
|
|
*
|
|
* Convert the signed integer value \p x to a single-precision floating-point value
|
|
* in round-up (to positive infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __int2float_ru(int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a signed integer to a float in round-down mode.
|
|
*
|
|
* Convert the signed integer value \p x to a single-precision floating-point value
|
|
* in round-down (to negative infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __int2float_rd(int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert an unsigned integer to a float in round-to-nearest-even mode.
|
|
*
|
|
* Convert the unsigned integer value \p x to a single-precision floating-point value
|
|
* in round-to-nearest-even mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __uint2float_rn(unsigned int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert an unsigned integer to a float in round-towards-zero mode.
|
|
*
|
|
* Convert the unsigned integer value \p x to a single-precision floating-point value
|
|
* in round-towards-zero mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __uint2float_rz(unsigned int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert an unsigned integer to a float in round-up mode.
|
|
*
|
|
* Convert the unsigned integer value \p x to a single-precision floating-point value
|
|
* in round-up (to positive infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __uint2float_ru(unsigned int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert an unsigned integer to a float in round-down mode.
|
|
*
|
|
* Convert the unsigned integer value \p x to a single-precision floating-point value
|
|
* in round-down (to negative infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __uint2float_rd(unsigned int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to a signed 64-bit integer in round-to-nearest-even mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to a signed 64-bit integer
|
|
* in round-to-nearest-even mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ long long int __float2ll_rn(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to a signed 64-bit integer in round-towards-zero mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to a signed 64-bit integer
|
|
* in round-towards-zero mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ long long int __float2ll_rz(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to a signed 64-bit integer in round-up mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to a signed 64-bit integer
|
|
* in round-up (to positive infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ long long int __float2ll_ru(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to a signed 64-bit integer in round-down mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to a signed 64-bit integer
|
|
* in round-down (to negative infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ long long int __float2ll_rd(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to an unsigned 64-bit integer in round-to-nearest-even mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to an unsigned 64-bit integer
|
|
* in round-to-nearest-even mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned long long int __float2ull_rn(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to an unsigned 64-bit integer in round-towards-zero mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to an unsigned 64-bit integer
|
|
* in round-towards-zero mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned long long int __float2ull_rz(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to an unsigned 64-bit integer in round-up mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to an unsigned 64-bit integer
|
|
* in round-up (to positive infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned long long int __float2ull_ru(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a float to an unsigned 64-bit integer in round-down mode.
|
|
*
|
|
* Convert the single-precision floating-point value \p x to an unsigned 64-bit integer
|
|
* in round-down (to negative infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned long long int __float2ull_rd(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a signed 64-bit integer to a float in round-to-nearest-even mode.
|
|
*
|
|
* Convert the signed 64-bit integer value \p x to a single-precision floating-point value
|
|
* in round-to-nearest-even mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __ll2float_rn(long long int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a signed integer to a float in round-towards-zero mode.
|
|
*
|
|
* Convert the signed integer value \p x to a single-precision floating-point value
|
|
* in round-towards-zero mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __ll2float_rz(long long int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a signed integer to a float in round-up mode.
|
|
*
|
|
* Convert the signed integer value \p x to a single-precision floating-point value
|
|
* in round-up (to positive infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __ll2float_ru(long long int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a signed integer to a float in round-down mode.
|
|
*
|
|
* Convert the signed integer value \p x to a single-precision floating-point value
|
|
* in round-down (to negative infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __ll2float_rd(long long int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert an unsigned integer to a float in round-to-nearest-even mode.
|
|
*
|
|
* Convert the unsigned integer value \p x to a single-precision floating-point value
|
|
* in round-to-nearest-even mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __ull2float_rn(unsigned long long int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert an unsigned integer to a float in round-towards-zero mode.
|
|
*
|
|
* Convert the unsigned integer value \p x to a single-precision floating-point value
|
|
* in round-towards-zero mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __ull2float_rz(unsigned long long int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert an unsigned integer to a float in round-up mode.
|
|
*
|
|
* Convert the unsigned integer value \p x to a single-precision floating-point value
|
|
* in round-up (to positive infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __ull2float_ru(unsigned long long int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert an unsigned integer to a float in round-down mode.
|
|
*
|
|
* Convert the unsigned integer value \p x to a single-precision floating-point value
|
|
* in round-down (to negative infinity) mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __ull2float_rd(unsigned long long int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Add two floating-point values in round-to-nearest-even mode.
|
|
*
|
|
* Compute the sum of \p x and \p y in round-to-nearest-even rounding mode.
|
|
*
|
|
* \return Returns \p x + \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
* \note_nofma
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fadd_rn(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Add two floating-point values in round-towards-zero mode.
|
|
*
|
|
* Compute the sum of \p x and \p y in round-towards-zero mode.
|
|
*
|
|
* \return Returns \p x + \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
* \note_nofma
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fadd_rz(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Add two floating-point values in round-up mode.
|
|
*
|
|
* Compute the sum of \p x and \p y in round-up (to positive infinity) mode.
|
|
*
|
|
* \return Returns \p x + \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
* \note_nofma
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fadd_ru(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Add two floating-point values in round-down mode.
|
|
*
|
|
* Compute the sum of \p x and \p y in round-down (to negative infinity) mode.
|
|
*
|
|
* \return Returns \p x + \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
* \note_nofma
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fadd_rd(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Subtract two floating-point values in round-to-nearest-even mode.
|
|
*
|
|
* Compute the difference of \p x and \p y in round-to-nearest-even rounding mode.
|
|
*
|
|
* \return Returns \p x - \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
* \note_nofma
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fsub_rn(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Subtract two floating-point values in round-towards-zero mode.
|
|
*
|
|
* Compute the difference of \p x and \p y in round-towards-zero mode.
|
|
*
|
|
* \return Returns \p x - \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
* \note_nofma
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fsub_rz(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Subtract two floating-point values in round-up mode.
|
|
*
|
|
* Compute the difference of \p x and \p y in round-up (to positive infinity) mode.
|
|
*
|
|
* \return Returns \p x - \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
* \note_nofma
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fsub_ru(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Subtract two floating-point values in round-down mode.
|
|
*
|
|
* Compute the difference of \p x and \p y in round-down (to negative infinity) mode.
|
|
*
|
|
* \return Returns \p x - \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
* \note_nofma
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fsub_rd(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Multiply two floating-point values in round-to-nearest-even mode.
|
|
*
|
|
* Compute the product of \p x and \p y in round-to-nearest-even mode.
|
|
*
|
|
* \return Returns \p x * \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
* \note_nofma
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fmul_rn(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Multiply two floating-point values in round-towards-zero mode.
|
|
*
|
|
* Compute the product of \p x and \p y in round-towards-zero mode.
|
|
*
|
|
* \return Returns \p x * \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
* \note_nofma
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fmul_rz(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Multiply two floating-point values in round-up mode.
|
|
*
|
|
* Compute the product of \p x and \p y in round-up (to positive infinity) mode.
|
|
*
|
|
* \return Returns \p x * \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
* \note_nofma
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fmul_ru(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Multiply two floating-point values in round-down mode.
|
|
*
|
|
* Compute the product of \p x and \p y in round-down (to negative infinity) mode.
|
|
*
|
|
* \return Returns \p x * \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
* \note_nofma
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fmul_rd(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Compute
|
|
* \latexonly $x \times y + z$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi>z</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* as a single operation, in round-to-nearest-even mode.
|
|
*
|
|
* Computes the value of
|
|
* \latexonly $x \times y + z$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi>z</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* as a single ternary operation, rounding the
|
|
* result once in round-to-nearest-even mode.
|
|
*
|
|
* \return Returns the rounded value of
|
|
* \latexonly $x \times y + z$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi>z</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* as a single operation.
|
|
* - fmaf(
|
|
* \latexonly $\pm \infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ,
|
|
* \latexonly $\pm 0$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mn>0</m:mn>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* , \p z) returns NaN.
|
|
* - fmaf(
|
|
* \latexonly $\pm 0$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mn>0</m:mn>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ,
|
|
* \latexonly $\pm \infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* , \p z) returns NaN.
|
|
* - fmaf(\p x, \p y,
|
|
* \latexonly $-\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>−<!-- &Minus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ) returns NaN if
|
|
* \latexonly $x \times y$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* is an exact
|
|
* \latexonly $+\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
* - fmaf(\p x, \p y,
|
|
* \latexonly $+\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ) returns NaN if
|
|
* \latexonly $x \times y$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* is an exact
|
|
* \latexonly $-\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>−<!-- &Minus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fmaf_rn(float x, float y, float z);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Compute
|
|
* \latexonly $x \times y + z$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi>z</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* as a single operation, in round-towards-zero mode.
|
|
*
|
|
* Computes the value of
|
|
* \latexonly $x \times y + z$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi>z</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* as a single ternary operation, rounding the
|
|
* result once in round-towards-zero mode.
|
|
*
|
|
* \return Returns the rounded value of
|
|
* \latexonly $x \times y + z$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi>z</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* as a single operation.
|
|
* - fmaf(
|
|
* \latexonly $\pm \infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ,
|
|
* \latexonly $\pm 0$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mn>0</m:mn>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* , \p z) returns NaN.
|
|
* - fmaf(
|
|
* \latexonly $\pm 0$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mn>0</m:mn>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ,
|
|
* \latexonly $\pm \infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* , \p z) returns NaN.
|
|
* - fmaf(\p x, \p y,
|
|
* \latexonly $-\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>−<!-- &Minus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ) returns NaN if
|
|
* \latexonly $x \times y$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* is an exact
|
|
* \latexonly $+\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
* - fmaf(\p x, \p y,
|
|
* \latexonly $+\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ) returns NaN if
|
|
* \latexonly $x \times y$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* is an exact
|
|
* \latexonly $-\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>−<!-- &Minus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fmaf_rz(float x, float y, float z);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Compute
|
|
* \latexonly $x \times y + z$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi>z</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* as a single operation, in round-up mode.
|
|
*
|
|
* Computes the value of
|
|
* \latexonly $x \times y + z$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi>z</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* as a single ternary operation, rounding the
|
|
* result once in round-up (to positive infinity) mode.
|
|
*
|
|
* \return Returns the rounded value of
|
|
* \latexonly $x \times y + z$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi>z</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* as a single operation.
|
|
* - fmaf(
|
|
* \latexonly $\pm \infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ,
|
|
* \latexonly $\pm 0$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mn>0</m:mn>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* , \p z) returns NaN.
|
|
* - fmaf(
|
|
* \latexonly $\pm 0$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mn>0</m:mn>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ,
|
|
* \latexonly $\pm \infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* , \p z) returns NaN.
|
|
* - fmaf(\p x, \p y,
|
|
* \latexonly $-\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>−<!-- &Minus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ) returns NaN if
|
|
* \latexonly $x \times y$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* is an exact
|
|
* \latexonly $+\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
* - fmaf(\p x, \p y,
|
|
* \latexonly $+\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ) returns NaN if
|
|
* \latexonly $x \times y$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* is an exact
|
|
* \latexonly $-\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>−<!-- &Minus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fmaf_ru(float x, float y, float z);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Compute
|
|
* \latexonly $x \times y + z$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi>z</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* as a single operation, in round-down mode.
|
|
*
|
|
* Computes the value of
|
|
* \latexonly $x \times y + z$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi>z</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* as a single ternary operation, rounding the
|
|
* result once in round-down (to negative infinity) mode.
|
|
*
|
|
* \return Returns the rounded value of
|
|
* \latexonly $x \times y + z$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi>z</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* as a single operation.
|
|
* - fmaf(
|
|
* \latexonly $\pm \infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ,
|
|
* \latexonly $\pm 0$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mn>0</m:mn>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* , \p z) returns NaN.
|
|
* - fmaf(
|
|
* \latexonly $\pm 0$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mn>0</m:mn>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ,
|
|
* \latexonly $\pm \infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>±<!-- &PlusMinus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* , \p z) returns NaN.
|
|
* - fmaf(\p x, \p y,
|
|
* \latexonly $-\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>−<!-- &Minus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ) returns NaN if
|
|
* \latexonly $x \times y$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* is an exact
|
|
* \latexonly $+\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
* - fmaf(\p x, \p y,
|
|
* \latexonly $+\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>+</m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* ) returns NaN if
|
|
* \latexonly $x \times y$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mi>x</m:mi>
|
|
* <m:mo>×<!-- &Multiply --></m:mo>
|
|
* <m:mi>y</m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* is an exact
|
|
* \latexonly $-\infty$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mo>−<!-- &Minus --></m:mo>
|
|
* <m:mi mathvariant="normal">∞<!-- &Infinity --></m:mi>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fmaf_rd(float x, float y, float z);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Compute
|
|
* \latexonly $\frac{1}{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mfrac>
|
|
* <m:mn>1</m:mn>
|
|
* <m:mi>x</m:mi>
|
|
* </m:mfrac>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* in round-to-nearest-even mode.
|
|
*
|
|
* Compute the reciprocal of \p x in round-to-nearest-even mode.
|
|
*
|
|
* \return Returns
|
|
* \latexonly $\frac{1}{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mfrac>
|
|
* <m:mn>1</m:mn>
|
|
* <m:mi>x</m:mi>
|
|
* </m:mfrac>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __frcp_rn(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Compute
|
|
* \latexonly $\frac{1}{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mfrac>
|
|
* <m:mn>1</m:mn>
|
|
* <m:mi>x</m:mi>
|
|
* </m:mfrac>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* in round-towards-zero mode.
|
|
*
|
|
* Compute the reciprocal of \p x in round-towards-zero mode.
|
|
*
|
|
* \return Returns
|
|
* \latexonly $\frac{1}{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mfrac>
|
|
* <m:mn>1</m:mn>
|
|
* <m:mi>x</m:mi>
|
|
* </m:mfrac>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __frcp_rz(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Compute
|
|
* \latexonly $\frac{1}{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mfrac>
|
|
* <m:mn>1</m:mn>
|
|
* <m:mi>x</m:mi>
|
|
* </m:mfrac>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* in round-up mode.
|
|
*
|
|
* Compute the reciprocal of \p x in round-up (to positive infinity) mode.
|
|
*
|
|
* \return Returns
|
|
* \latexonly $\frac{1}{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mfrac>
|
|
* <m:mn>1</m:mn>
|
|
* <m:mi>x</m:mi>
|
|
* </m:mfrac>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __frcp_ru(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Compute
|
|
* \latexonly $\frac{1}{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mfrac>
|
|
* <m:mn>1</m:mn>
|
|
* <m:mi>x</m:mi>
|
|
* </m:mfrac>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* in round-down mode.
|
|
*
|
|
* Compute the reciprocal of \p x in round-down (to negative infinity) mode.
|
|
*
|
|
* \return Returns
|
|
* \latexonly $\frac{1}{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mfrac>
|
|
* <m:mn>1</m:mn>
|
|
* <m:mi>x</m:mi>
|
|
* </m:mfrac>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __frcp_rd(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Compute
|
|
* \latexonly $\sqrt{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msqrt>
|
|
* <m:mi>x</m:mi>
|
|
* </m:msqrt>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* in round-to-nearest-even mode.
|
|
*
|
|
* Compute the square root of \p x in round-to-nearest-even mode.
|
|
*
|
|
* \return Returns
|
|
* \latexonly $\sqrt{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msqrt>
|
|
* <m:mi>x</m:mi>
|
|
* </m:msqrt>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fsqrt_rn(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Compute
|
|
* \latexonly $\sqrt{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msqrt>
|
|
* <m:mi>x</m:mi>
|
|
* </m:msqrt>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* in round-towards-zero mode.
|
|
*
|
|
* Compute the square root of \p x in round-towards-zero mode.
|
|
*
|
|
* \return Returns
|
|
* \latexonly $\sqrt{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msqrt>
|
|
* <m:mi>x</m:mi>
|
|
* </m:msqrt>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fsqrt_rz(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Compute
|
|
* \latexonly $\sqrt{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msqrt>
|
|
* <m:mi>x</m:mi>
|
|
* </m:msqrt>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* in round-up mode.
|
|
*
|
|
* Compute the square root of \p x in round-up (to positive infinity) mode.
|
|
*
|
|
* \return Returns
|
|
* \latexonly $\sqrt{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msqrt>
|
|
* <m:mi>x</m:mi>
|
|
* </m:msqrt>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fsqrt_ru(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Compute
|
|
* \latexonly $\sqrt{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msqrt>
|
|
* <m:mi>x</m:mi>
|
|
* </m:msqrt>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* in round-down mode.
|
|
*
|
|
* Compute the square root of \p x in round-down (to negative infinity) mode.
|
|
*
|
|
* \return Returns
|
|
* \latexonly $\sqrt{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:msqrt>
|
|
* <m:mi>x</m:mi>
|
|
* </m:msqrt>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fsqrt_rd(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Compute
|
|
* \latexonly $1/\sqrt{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mn>1</m:mn>
|
|
* <m:mrow class="MJX-TeXAtom-ORD">
|
|
* <m:mo>/</m:mo>
|
|
* </m:mrow>
|
|
* <m:msqrt>
|
|
* <m:mi>x</m:mi>
|
|
* </m:msqrt>
|
|
* </m:math>
|
|
* </d4p_MathML>
|
|
* \endxmlonly
|
|
* in round-to-nearest-even mode.
|
|
*
|
|
* Compute the reciprocal square root of \p x in round-to-nearest-even mode.
|
|
*
|
|
* \return Returns
|
|
* \latexonly $1/\sqrt{x}$ \endlatexonly
|
|
* \xmlonly
|
|
* <d4p_MathML outputclass="xmlonly">
|
|
* <m:math xmlns:m="http://www.w3.org/1998/Math/MathML">
|
|
* <m:mn>1</m:mn>
|
|
* <m:mrow class="MJX-TeXAtom-ORD">
|
|
* <m:mo>/</m:mo>
|
|
* </m:mrow>
|
|
* <m:msqrt>
|
|
* <m:mi>x</m:mi>
|
|
* </m:msqrt>
|
|
* </m:math>
|
|
* </d4p_MathML>\endxmlonly.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __frsqrt_rn(float x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Divide two floating-point values in round-to-nearest-even mode.
|
|
*
|
|
* Divide two floating-point values \p x by \p y in round-to-nearest-even mode.
|
|
*
|
|
* \return Returns \p x / \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fdiv_rn(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Divide two floating-point values in round-towards-zero mode.
|
|
*
|
|
* Divide two floating-point values \p x by \p y in round-towards-zero mode.
|
|
*
|
|
* \return Returns \p x / \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fdiv_rz(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Divide two floating-point values in round-up mode.
|
|
*
|
|
* Divide two floating-point values \p x by \p y in round-up (to positive infinity) mode.
|
|
*
|
|
* \return Returns \p x / \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fdiv_ru(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SINGLE
|
|
* \brief Divide two floating-point values in round-down mode.
|
|
*
|
|
* Divide two floating-point values \p x by \p y in round-down (to negative infinity) mode.
|
|
*
|
|
* \return Returns \p x / \p y.
|
|
*
|
|
* \note_accuracy_single
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ float __fdiv_rd(float x, float y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_INT
|
|
* \brief Return the number of consecutive high-order zero bits in a 32-bit integer.
|
|
*
|
|
* Count the number of consecutive leading zero bits, starting at the most significant bit (bit 31) of \p x.
|
|
*
|
|
* \return Returns a value between 0 and 32 inclusive representing the number of zero bits.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __clz(int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_INT
|
|
* \brief Find the position of the least significant bit set to 1 in a 32-bit integer.
|
|
*
|
|
* Find the position of the first (least significant) bit set to 1 in \p x, where the least significant
|
|
* bit position is 1.
|
|
*
|
|
* \return Returns a value between 0 and 32 inclusive representing the position of the first bit set.
|
|
* - __ffs(0) returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __ffs(int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_INT
|
|
* \brief Count the number of bits that are set to 1 in a 32-bit integer.
|
|
*
|
|
* Count the number of bits that are set to 1 in \p x.
|
|
*
|
|
* \return Returns a value between 0 and 32 inclusive representing the number of set bits.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __popc(unsigned int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_INT
|
|
* \brief Reverse the bit order of a 32-bit unsigned integer.
|
|
*
|
|
* Reverses the bit order of the 32-bit unsigned integer \p x.
|
|
*
|
|
* \return Returns the bit-reversed value of \p x. i.e. bit N of the return value corresponds to bit 31-N of \p x.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __brev(unsigned int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_INT
|
|
* \brief Count the number of consecutive high-order zero bits in a 64-bit integer.
|
|
*
|
|
* Count the number of consecutive leading zero bits, starting at the most significant bit (bit 63) of \p x.
|
|
*
|
|
* \return Returns a value between 0 and 64 inclusive representing the number of zero bits.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __clzll(long long int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_INT
|
|
* \brief Find the position of the least significant bit set to 1 in a 64-bit integer.
|
|
*
|
|
* Find the position of the first (least significant) bit set to 1 in \p x, where the least significant
|
|
* bit position is 1.
|
|
*
|
|
* \return Returns a value between 0 and 64 inclusive representing the position of the first bit set.
|
|
* - __ffsll(0) returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __ffsll(long long int x);
|
|
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_INT
|
|
* \brief Count the number of bits that are set to 1 in a 64-bit integer.
|
|
*
|
|
* Count the number of bits that are set to 1 in \p x.
|
|
*
|
|
* \return Returns a value between 0 and 64 inclusive representing the number of set bits.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __popcll(unsigned long long int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_INT
|
|
* \brief Reverse the bit order of a 64-bit unsigned integer.
|
|
*
|
|
* Reverses the bit order of the 64-bit unsigned integer \p x.
|
|
*
|
|
* \return Returns the bit-reversed value of \p x. i.e. bit N of the return value corresponds to bit 63-N of \p x.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned long long int __brevll(unsigned long long int x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_INT
|
|
* \brief Return selected bytes from two 32-bit unsigned integers.
|
|
*
|
|
* byte_perm(x,y,s) returns a 32-bit integer consisting of four bytes from eight input bytes provided in the two
|
|
* input integers \p x and \p y, as specified by a selector, \p s.
|
|
*
|
|
* The input bytes are indexed as follows:
|
|
* <pre>
|
|
* input[0] = x<7:0> input[1] = x<15:8>
|
|
* input[2] = x<23:16> input[3] = x<31:24>
|
|
* input[4] = y<7:0> input[5] = y<15:8>
|
|
* input[6] = y<23:16> input[7] = y<31:24>
|
|
* </pre>
|
|
* The selector indices are as follows (the upper 16-bits of the selector are not used):
|
|
* <pre>
|
|
* selector[0] = s<2:0> selector[1] = s<6:4>
|
|
* selector[2] = s<10:8> selector[3] = s<14:12>
|
|
* </pre>
|
|
* \return The returned value r is computed to be:
|
|
* <tt>result[n] := input[selector[n]]</tt>
|
|
* where <tt>result[n]</tt> is the nth byte of r.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __byte_perm(unsigned int x, unsigned int y, unsigned int s);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_INT
|
|
* \brief Compute average of signed input arguments, avoiding overflow
|
|
* in the intermediate sum.
|
|
*
|
|
* Compute average of signed input arguments \p x and \p y
|
|
* as ( \p x + \p y ) >> 1, avoiding overflow in the intermediate sum.
|
|
*
|
|
* \return Returns a signed integer value representing the signed
|
|
* average value of the two inputs.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __hadd(int x, int y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_INT
|
|
* \brief Compute rounded average of signed input arguments, avoiding
|
|
* overflow in the intermediate sum.
|
|
*
|
|
* Compute average of signed input arguments \p x and \p y
|
|
* as ( \p x + \p y + 1 ) >> 1, avoiding overflow in the intermediate
|
|
* sum.
|
|
*
|
|
* \return Returns a signed integer value representing the signed
|
|
* rounded average value of the two inputs.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __rhadd(int x, int y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_INT
|
|
* \brief Compute average of unsigned input arguments, avoiding overflow
|
|
* in the intermediate sum.
|
|
*
|
|
* Compute average of unsigned input arguments \p x and \p y
|
|
* as ( \p x + \p y ) >> 1, avoiding overflow in the intermediate sum.
|
|
*
|
|
* \return Returns an unsigned integer value representing the unsigned
|
|
* average value of the two inputs.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __uhadd(unsigned int x, unsigned int y);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_INT
|
|
* \brief Compute rounded average of unsigned input arguments, avoiding
|
|
* overflow in the intermediate sum.
|
|
*
|
|
* Compute average of unsigned input arguments \p x and \p y
|
|
* as ( \p x + \p y + 1 ) >> 1, avoiding overflow in the intermediate
|
|
* sum.
|
|
*
|
|
* \return Returns an unsigned integer value representing the unsigned
|
|
* rounded average value of the two inputs.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __urhadd(unsigned int x, unsigned int y);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a double to a signed int in round-towards-zero mode.
|
|
*
|
|
* Convert the double-precision floating-point value \p x to a
|
|
* signed integer value in round-towards-zero mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ int __double2int_rz(double x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a double to an unsigned int in round-towards-zero mode.
|
|
*
|
|
* Convert the double-precision floating-point value \p x to an
|
|
* unsigned integer value in round-towards-zero mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __double2uint_rz(double x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a double to a signed 64-bit int in round-towards-zero mode.
|
|
*
|
|
* Convert the double-precision floating-point value \p x to a
|
|
* signed 64-bit integer value in round-towards-zero mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ long long int __double2ll_rz(double x);
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_CAST
|
|
* \brief Convert a double to an unsigned 64-bit int in round-towards-zero mode.
|
|
*
|
|
* Convert the double-precision floating-point value \p x to an
|
|
* unsigned 64-bit integer value in round-towards-zero mode.
|
|
* \return Returns converted value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned long long int __double2ull_rz(double x);
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __pm0(void);
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __pm1(void);
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __pm2(void);
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __pm3(void);
|
|
|
|
/*******************************************************************************
|
|
* *
|
|
* FP16 SIMD functions *
|
|
* *
|
|
*******************************************************************************/
|
|
|
|
// #include "fp16.h"
|
|
|
|
|
|
/*******************************************************************************
|
|
* *
|
|
* SIMD functions *
|
|
* *
|
|
*******************************************************************************/
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-halfword absolute value.
|
|
*
|
|
* Splits 4 bytes of argument into 2 parts, each consisting of 2 bytes,
|
|
* then computes absolute value for each of parts.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vabs2(unsigned int a);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-halfword absolute value with signed saturation.
|
|
*
|
|
* Splits 4 bytes of argument into 2 parts, each consisting of 2 bytes,
|
|
* then computes absolute value with signed saturation for each of parts.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vabsss2(unsigned int a);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword (un)signed addition, with wrap-around: a + b
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes,
|
|
* then performs unsigned addition on corresponding parts.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vadd2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword addition with signed saturation.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes,
|
|
* then performs addition with signed saturation on corresponding parts.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vaddss2 (unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword addition with unsigned saturation.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes,
|
|
* then performs addition with unsigned saturation on corresponding parts.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vaddus2 (unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword signed rounded average computation.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes,
|
|
* then computes signed rounded average of corresponding parts. Partial results are
|
|
* recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vavgs2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword unsigned rounded average computation.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes,
|
|
* then computes unsigned rounded average of corresponding parts. Partial results are
|
|
* recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vavgu2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword unsigned average computation.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes,
|
|
* then computes unsigned average of corresponding parts. Partial results are
|
|
* recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vhaddu2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword (un)signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts result is ffff if they are equal, and 0000 otherwise.
|
|
* For example __vcmpeq2(0x1234aba5, 0x1234aba6) returns 0xffff0000.
|
|
* \return Returns 0xffff computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpeq2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword signed comparison: a >= b ? 0xffff : 0.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts result is ffff if 'a' part >= 'b' part, and 0000 otherwise.
|
|
* For example __vcmpges2(0x1234aba5, 0x1234aba6) returns 0xffff0000.
|
|
* \return Returns 0xffff if a >= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpges2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword unsigned comparison: a >= b ? 0xffff : 0.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts result is ffff if 'a' part >= 'b' part, and 0000 otherwise.
|
|
* For example __vcmpgeu2(0x1234aba5, 0x1234aba6) returns 0xffff0000.
|
|
* \return Returns 0xffff if a >= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpgeu2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword signed comparison: a > b ? 0xffff : 0.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts result is ffff if 'a' part > 'b' part, and 0000 otherwise.
|
|
* For example __vcmpgts2(0x1234aba5, 0x1234aba6) returns 0x00000000.
|
|
* \return Returns 0xffff if a > b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpgts2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword unsigned comparison: a > b ? 0xffff : 0.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts result is ffff if 'a' part > 'b' part, and 0000 otherwise.
|
|
* For example __vcmpgtu2(0x1234aba5, 0x1234aba6) returns 0x00000000.
|
|
* \return Returns 0xffff if a > b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpgtu2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword signed comparison: a <= b ? 0xffff : 0.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts result is ffff if 'a' part <= 'b' part, and 0000 otherwise.
|
|
* For example __vcmples2(0x1234aba5, 0x1234aba6) returns 0xffffffff.
|
|
* \return Returns 0xffff if a <= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmples2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword unsigned comparison: a <= b ? 0xffff : 0.
|
|
*
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts result is ffff if 'a' part <= 'b' part, and 0000 otherwise.
|
|
* For example __vcmpleu2(0x1234aba5, 0x1234aba6) returns 0xffffffff.
|
|
* \return Returns 0xffff if a <= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpleu2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword signed comparison: a < b ? 0xffff : 0.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts result is ffff if 'a' part < 'b' part, and 0000 otherwise.
|
|
* For example __vcmplts2(0x1234aba5, 0x1234aba6) returns 0x0000ffff.
|
|
* \return Returns 0xffff if a < b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmplts2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword unsigned comparison: a < b ? 0xffff : 0.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts result is ffff if 'a' part < 'b' part, and 0000 otherwise.
|
|
* For example __vcmpltu2(0x1234aba5, 0x1234aba6) returns 0x0000ffff.
|
|
* \return Returns 0xffff if a < b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpltu2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword (un)signed comparison: a != b ? 0xffff : 0.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts result is ffff if 'a' part != 'b' part, and 0000 otherwise.
|
|
* For example __vcmplts2(0x1234aba5, 0x1234aba6) returns 0x0000ffff.
|
|
* \return Returns 0xffff if a != b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpne2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword absolute difference of unsigned integer computation: |a - b|
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function computes absolute difference. Partial results
|
|
* are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vabsdiffu2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword signed maximum computation.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function computes signed maximum. Partial results
|
|
* are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vmaxs2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword unsigned maximum computation.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function computes unsigned maximum. Partial results
|
|
* are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vmaxu2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword signed minimum computation.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function computes signed minimum. Partial results
|
|
* are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vmins2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword unsigned minimum computation.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function computes unsigned minimum. Partial results
|
|
* are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vminu2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword (un)signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function performs comparison 'a' part == 'b' part.
|
|
* If both equalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a = b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vseteq2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function performs comparison 'a' part >= 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a >= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetges2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword unsigned minimum unsigned comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function performs comparison 'a' part >= 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a >= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetgeu2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function performs comparison 'a' part > 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a > b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetgts2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword unsigned comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function performs comparison 'a' part > 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a > b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetgtu2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword unsigned minimum computation.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function performs comparison 'a' part <= 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a <= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetles2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function performs comparison 'a' part <= 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a <= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetleu2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function performs comparison 'a' part <= 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a < b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetlts2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword unsigned comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function performs comparison 'a' part <= 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a < b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetltu2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword (un)signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function performs comparison 'a' part != 'b' part.
|
|
* If both conditions are satisfied, function returns 1.
|
|
* \return Returns 1 if a != b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetne2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-halfword sum of abs diff of unsigned.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function computes absolute differences and returns
|
|
* sum of those differences.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsadu2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword (un)signed subtraction, with wrap-around.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function performs subtraction. Partial results
|
|
* are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsub2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword (un)signed subtraction, with signed saturation.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function performs subtraction with signed saturation.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsubss2 (unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword subtraction with unsigned saturation.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function performs subtraction with unsigned saturation.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsubus2 (unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-halfword negation.
|
|
*
|
|
* Splits 4 bytes of argument into 2 parts, each consisting of 2 bytes.
|
|
* For each part function computes negation. Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vneg2(unsigned int a);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-halfword negation with signed saturation.
|
|
*
|
|
* Splits 4 bytes of argument into 2 parts, each consisting of 2 bytes.
|
|
* For each part function computes negation. Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vnegss2(unsigned int a);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-halfword sum of absolute difference of signed integer.
|
|
*
|
|
* Splits 4 bytes of each into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function computes absolute difference.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vabsdiffs2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-halfword sum of absolute difference of signed.
|
|
*
|
|
* Splits 4 bytes of each argument into 2 parts, each consisting of 2 bytes.
|
|
* For corresponding parts function computes absolute difference and sum it up.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsads2(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-byte absolute value.
|
|
*
|
|
* Splits argument by bytes. Computes absolute value of each byte.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vabs4(unsigned int a);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-byte absolute value with signed saturation.
|
|
*
|
|
* Splits 4 bytes of argument into 4 parts, each consisting of 1 byte,
|
|
* then computes absolute value with signed saturation for each of parts.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vabsss4(unsigned int a);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte (un)signed addition.
|
|
*
|
|
* Splits 'a' into 4 bytes, then performs unsigned addition on each of these
|
|
* bytes with the corresponding byte from 'b', ignoring overflow.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vadd4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte addition with signed saturation.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte,
|
|
* then performs addition with signed saturation on corresponding parts.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vaddss4 (unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte addition with unsigned saturation.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte,
|
|
* then performs addition with unsigned saturation on corresponding parts.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vaddus4 (unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-byte signed rounded average.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* then computes signed rounded average of corresponding parts. Partial results are
|
|
* recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vavgs4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte unsigned rounded average.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* then computes unsigned rounded average of corresponding parts. Partial results are
|
|
* recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vavgu4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-byte unsigned average.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* then computes unsigned average of corresponding parts. Partial results are
|
|
* recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vhaddu4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte (un)signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts result is ff if they are equal, and 00 otherwise.
|
|
* For example __vcmpeq4(0x1234aba5, 0x1234aba6) returns 0xffffff00.
|
|
* \return Returns 0xff if a = b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpeq4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts result is ff if 'a' part >= 'b' part, and 00 otherwise.
|
|
* For example __vcmpges4(0x1234aba5, 0x1234aba6) returns 0xffffff00.
|
|
* \return Returns 0xff if a >= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpges4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte unsigned comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts result is ff if 'a' part >= 'b' part, and 00 otherwise.
|
|
* For example __vcmpgeu4(0x1234aba5, 0x1234aba6) returns 0xffffff00.
|
|
* \return Returns 0xff if a = b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpgeu4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts result is ff if 'a' part > 'b' part, and 00 otherwise.
|
|
* For example __vcmpgts4(0x1234aba5, 0x1234aba6) returns 0x00000000.
|
|
* \return Returns 0xff if a > b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpgts4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte unsigned comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts result is ff if 'a' part > 'b' part, and 00 otherwise.
|
|
* For example __vcmpgtu4(0x1234aba5, 0x1234aba6) returns 0x00000000.
|
|
* \return Returns 0xff if a > b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpgtu4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts result is ff if 'a' part <= 'b' part, and 00 otherwise.
|
|
* For example __vcmples4(0x1234aba5, 0x1234aba6) returns 0xffffffff.
|
|
* \return Returns 0xff if a <= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmples4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte unsigned comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts result is ff if 'a' part <= 'b' part, and 00 otherwise.
|
|
* For example __vcmpleu4(0x1234aba5, 0x1234aba6) returns 0xffffffff.
|
|
* \return Returns 0xff if a <= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpleu4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts result is ff if 'a' part < 'b' part, and 00 otherwise.
|
|
* For example __vcmplts4(0x1234aba5, 0x1234aba6) returns 0x000000ff.
|
|
* \return Returns 0xff if a < b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmplts4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte unsigned comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts result is ff if 'a' part < 'b' part, and 00 otherwise.
|
|
* For example __vcmpltu4(0x1234aba5, 0x1234aba6) returns 0x000000ff.
|
|
* \return Returns 0xff if a < b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpltu4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte (un)signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts result is ff if 'a' part != 'b' part, and 00 otherwise.
|
|
* For example __vcmplts4(0x1234aba5, 0x1234aba6) returns 0x000000ff.
|
|
* \return Returns 0xff if a != b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vcmpne4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-byte absolute difference of unsigned integer.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function computes absolute difference. Partial results
|
|
* are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vabsdiffu4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-byte signed maximum.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function computes signed maximum. Partial results
|
|
* are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vmaxs4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-byte unsigned maximum.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function computes unsigned maximum. Partial results
|
|
* are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vmaxu4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-byte signed minimum.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function computes signed minimum. Partial results
|
|
* are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vmins4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-byte unsigned minimum.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function computes unsigned minimum. Partial results
|
|
* are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vminu4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte (un)signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function performs comparison 'a' part == 'b' part.
|
|
* If both equalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a = b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vseteq4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function performs comparison 'a' part <= 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a <= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetles4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte unsigned comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 part, each consisting of 1 byte.
|
|
* For corresponding parts function performs comparison 'a' part <= 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a <= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetleu4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function performs comparison 'a' part <= 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a < b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetlts4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte unsigned comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function performs comparison 'a' part <= 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a < b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetltu4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function performs comparison 'a' part >= 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a >= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetges4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte unsigned comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function performs comparison 'a' part >= 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a >= b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetgeu4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function performs comparison 'a' part > 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a > b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetgts4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte unsigned comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function performs comparison 'a' part > 'b' part.
|
|
* If both inequalities are satisfied, function returns 1.
|
|
* \return Returns 1 if a > b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetgtu4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte (un)signed comparison.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function performs comparison 'a' part != 'b' part.
|
|
* If both conditions are satisfied, function returns 1.
|
|
* \return Returns 1 if a != b, else returns 0.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsetne4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-byte sum of abs difference of unsigned.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function computes absolute differences and returns
|
|
* sum of those differences.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsadu4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte subtraction.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function performs subtraction. Partial results
|
|
* are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsub4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte subtraction with signed saturation.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function performs subtraction with signed saturation.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsubss4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte subtraction with unsigned saturation.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function performs subtraction with unsigned saturation.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsubus4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte negation.
|
|
*
|
|
* Splits 4 bytes of argument into 4 parts, each consisting of 1 byte.
|
|
* For each part function computes negation. Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vneg4(unsigned int a);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Performs per-byte negation with signed saturation.
|
|
*
|
|
* Splits 4 bytes of argument into 4 parts, each consisting of 1 byte.
|
|
* For each part function computes negation. Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vnegss4(unsigned int a);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-byte absolute difference of signed integer.
|
|
*
|
|
* Splits 4 bytes of each into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function computes absolute difference.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vabsdiffs4(unsigned int a, unsigned int b);
|
|
|
|
/**
|
|
* \ingroup CUDA_MATH_INTRINSIC_SIMD
|
|
* \brief Computes per-byte sum of abs difference of signed.
|
|
*
|
|
* Splits 4 bytes of each argument into 4 parts, each consisting of 1 byte.
|
|
* For corresponding parts function computes absolute difference and sum it up.
|
|
* Partial results are recombined and returned as unsigned int.
|
|
* \return Returns computed value.
|
|
*/
|
|
__DEVICE_FUNCTIONS_DECL__ __device_builtin__ unsigned int __vsads4(unsigned int a, unsigned int b);
|
|
|
|
/*******************************************************************************
|
|
* *
|
|
* END SIMD functions *
|
|
* *
|
|
*******************************************************************************/
|
|
}
|
|
|
|
/*******************************************************************************
|
|
* *
|
|
* *
|
|
* *
|
|
*******************************************************************************/
|
|
|
|
#if defined(_WIN32)
|
|
# define __DEVICE_FUNCTIONS_DEPRECATED__(msg) __declspec(deprecated(msg))
|
|
#elif (defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5 && !defined(__clang__))))
|
|
# define __DEVICE_FUNCTIONS_DEPRECATED__(msg) __attribute__((deprecated))
|
|
#else
|
|
# define __DEVICE_FUNCTIONS_DEPRECATED__(msg) __attribute__((deprecated(msg)))
|
|
#endif
|
|
|
|
#define ___DEVICE_FUNCTIONS_STRINGIFY_INNERMOST(x) #x
|
|
#define __DEVICE_FUNCTIONS_STRINGIFY(x) ___DEVICE_FUNCTIONS_STRINGIFY_INNERMOST(x)
|
|
|
|
#define __DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(x) __DEVICE_FUNCTIONS_STRINGIFY(x) "() is deprecated in favor of __" __DEVICE_FUNCTIONS_STRINGIFY(x) "() and may be removed in a future release (Use -Wno-deprecated-declarations to suppress this warning)."
|
|
#define __DEVICE_FUNCTIONS_DEPRECATION_MESSAGE2(x,y) __DEVICE_FUNCTIONS_STRINGIFY(x) "() is deprecated in favor of __" __DEVICE_FUNCTIONS_STRINGIFY(x) __DEVICE_FUNCTIONS_STRINGIFY(y) "() and may be removed in a future release (Use -Wno-deprecated-declarations to suppress this warning)."
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(mulhi)) int mulhi(const int a, const int b);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(mulhi)) unsigned int mulhi(const unsigned int a, const unsigned int b);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(mulhi)) unsigned int mulhi(const int a, const unsigned int b);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(mulhi)) unsigned int mulhi(const unsigned int a, const int b);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(mul64hi)) long long int mul64hi(const long long int a, const long long int b);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(mul64hi)) unsigned long long int mul64hi(const unsigned long long int a, const unsigned long long int b);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(mul64hi)) unsigned long long int mul64hi(const long long int a, const unsigned long long int b);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(mul64hi)) unsigned long long int mul64hi(const unsigned long long int a, const long long int b);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(float_as_int)) int float_as_int(const float a);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(int_as_float)) float int_as_float(const int a);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(float_as_uint)) unsigned int float_as_uint(const float a);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(uint_as_float)) float uint_as_float(const unsigned int a);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE2(saturate,f)) float saturate(const float a);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(mul24)) int mul24(const int a, const int b);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1(umul24)) unsigned int umul24(const unsigned int a, const unsigned int b);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE2(float2int,_ru|_rd|_rn|_rz)) int float2int(const float a, const enum cudaRoundMode mode = cudaRoundZero);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE2(float2uint,_ru|_rd|_rn|_rz)) unsigned int float2uint(const float a, const enum cudaRoundMode mode = cudaRoundZero);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE2(int2float,_ru|_rd|_rn|_rz)) float int2float(const int a, const enum cudaRoundMode mode = cudaRoundNearest);
|
|
|
|
__DEVICE_FUNCTIONS_STATIC_DECL__ __DEVICE_FUNCTIONS_DEPRECATED__(__DEVICE_FUNCTIONS_DEPRECATION_MESSAGE2(uint2float,_ru|_rd|_rn|_rz)) float uint2float(const unsigned int a, const enum cudaRoundMode mode = cudaRoundNearest);
|
|
#undef __DEVICE_FUNCTIONS_DEPRECATED__
|
|
#undef ___DEVICE_FUNCTIONS_STRINGIFY_INNERMOST
|
|
#undef __DEVICE_FUNCTIONS_STRINGIFY
|
|
#undef __DEVICE_FUNCTIONS_DEPRECATION_MESSAGE1
|
|
#undef __DEVICE_FUNCTIONS_DEPRECATION_MESSAGE2
|
|
|
|
|
|
#undef __DEVICE_FUNCTIONS_DECL__
|
|
#undef __DEVICE_FUNCTIONS_STATIC_DECL__
|
|
|
|
#endif /* __cplusplus && __CUDACC__ */
|
|
|
|
/*******************************************************************************
|
|
* *
|
|
* *
|
|
* *
|
|
*******************************************************************************/
|
|
|
|
#if !defined(__CUDACC_RTC__)
|
|
#include "device_functions.hpp"
|
|
#endif /* !defined(__CUDACC_RTC__) */
|
|
|
|
#include "device_atomic_functions.h"
|
|
#include "device_double_functions.h"
|
|
#include "sm_20_atomic_functions.h"
|
|
#include "sm_32_atomic_functions.h"
|
|
#include "sm_35_atomic_functions.h"
|
|
#include "sm_60_atomic_functions.h"
|
|
#include "sm_20_intrinsics.h"
|
|
#include "sm_30_intrinsics.h"
|
|
#include "sm_32_intrinsics.h"
|
|
#include "sm_35_intrinsics.h"
|
|
#include "sm_61_intrinsics.h"
|
|
#include "sm_70_rt.h"
|
|
#include "sm_80_rt.h"
|
|
#include "surface_functions.h"
|
|
#include "texture_fetch_functions.h"
|
|
#include "texture_indirect_functions.h"
|
|
#include "surface_indirect_functions.h"
|
|
|
|
#ifdef __CUDACC__
|
|
extern "C" __host__ __device__ unsigned CUDARTAPI __cudaPushCallConfiguration(dim3 gridDim,
|
|
dim3 blockDim,
|
|
size_t sharedMem = 0,
|
|
struct CUstream_st *stream = 0);
|
|
#endif /* __CUDACC__ */
|
|
|
|
#endif /* !__DEVICE_FUNCTIONS_H__ */
|
|
|
|
#if defined(__UNDEF_CUDA_INCLUDE_COMPILER_INTERNAL_HEADERS_DEVICE_FUNCTIONS_H__)
|
|
#undef __CUDA_INCLUDE_COMPILER_INTERNAL_HEADERS__
|
|
#undef __UNDEF_CUDA_INCLUDE_COMPILER_INTERNAL_HEADERS_DEVICE_FUNCTIONS_H__
|
|
#endif
|