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| // -*- C++ -*- | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||
| // See https://llvm.org/LICENSE.txt for license information. | ||
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
| // SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
|
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| #ifndef _LIBCUDACXX___CMATH_ROOTS_H | ||
| #define _LIBCUDACXX___CMATH_ROOTS_H | ||
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| #include <cuda/std/detail/__config> | ||
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| #if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC) | ||
| # pragma GCC system_header | ||
| #elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG) | ||
| # pragma clang system_header | ||
| #elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC) | ||
| # pragma system_header | ||
| #endif // no system header | ||
|
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| #include <cuda/std/__cmath/common.h> | ||
| #include <cuda/std/__type_traits/enable_if.h> | ||
| #include <cuda/std/__type_traits/is_integral.h> | ||
|
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| _LIBCUDACXX_BEGIN_NAMESPACE_STD | ||
|
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| // sqrt | ||
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| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI float sqrt(float __x) noexcept | ||
| { | ||
| #if defined(_CCCL_BUILTIN_SQRTF) | ||
| return _CCCL_BUILTIN_SQRTF(__x); | ||
| #else // ^^^ _CCCL_BUILTIN_SQRTF ^^^ // vvv !_CCCL_BUILTIN_SQRTF vvv | ||
| return ::sqrtf(__x); | ||
| #endif // !_CCCL_BUILTIN_SQRTF | ||
| } | ||
|
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| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI float sqrtf(float __x) noexcept | ||
| { | ||
| #if defined(_CCCL_BUILTIN_SQRTF) | ||
| return _CCCL_BUILTIN_SQRTF(__x); | ||
| #else // ^^^ _CCCL_BUILTIN_SQRTF ^^^ // vvv !_CCCL_BUILTIN_SQRTF vvv | ||
| return ::sqrtf(__x); | ||
| #endif // !_CCCL_BUILTIN_SQRTF | ||
| } | ||
|
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| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI double sqrt(double __x) noexcept | ||
| { | ||
| #if defined(_CCCL_BUILTIN_SQRT) | ||
| return _CCCL_BUILTIN_SQRT(__x); | ||
| #else // ^^^ _CCCL_BUILTIN_SQRT ^^^ // vvv !_CCCL_BUILTIN_SQRT vvv | ||
| return ::sqrt(__x); | ||
| #endif // !_CCCL_BUILTIN_SQRT | ||
| } | ||
|
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| #if !defined(_LIBCUDACXX_HAS_NO_LONG_DOUBLE) | ||
| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI long double sqrt(long double __x) noexcept | ||
| { | ||
| # if defined(_CCCL_BUILTIN_SQRTL) | ||
| return _CCCL_BUILTIN_SQRTL(__x); | ||
| # else // ^^^ _CCCL_BUILTIN_SQRTL ^^^ // vvv !_CCCL_BUILTIN_SQRTL vvv | ||
| return ::sqrtl(__x); | ||
| # endif // !_CCCL_BUILTIN_SQRTL | ||
| } | ||
|
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| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI long double sqrtl(long double __x) noexcept | ||
| { | ||
| # if defined(_CCCL_BUILTIN_SQRTL) | ||
| return _CCCL_BUILTIN_SQRTL(__x); | ||
| # else // ^^^ _CCCL_BUILTIN_SQRTL ^^^ // vvv !_CCCL_BUILTIN_SQRTL vvv | ||
| return ::sqrtl(__x); | ||
| # endif // !_CCCL_BUILTIN_SQRTL | ||
| } | ||
| #endif // !_LIBCUDACXX_HAS_NO_LONG_DOUBLE | ||
|
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| #if defined(_LIBCUDACXX_HAS_NVFP16) | ||
| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI __half sqrt(__half __x) noexcept | ||
| { | ||
| NV_IF_ELSE_TARGET(NV_IS_DEVICE, (return ::hsqrt(__x);), (return __float2half(_CUDA_VSTD::sqrt(__half2float(__x)));)) | ||
| } | ||
| #endif // _LIBCUDACXX_HAS_NVFP16 | ||
|
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| #if defined(_LIBCUDACXX_HAS_NVBF16) | ||
| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI __nv_bfloat16 sqrt(__nv_bfloat16 __x) noexcept | ||
| { | ||
| NV_IF_ELSE_TARGET( | ||
| NV_IS_DEVICE, (return ::hsqrt(__x);), (return __float2bfloat16(_CUDA_VSTD::sqrt(__bfloat162float(__x)));)) | ||
| } | ||
| #endif // _LIBCUDACXX_HAS_NVBF16 | ||
|
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| template <class _Integer, enable_if_t<_CCCL_TRAIT(is_integral, _Integer), int> = 0> | ||
| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI double sqrt(_Integer __x) noexcept | ||
| { | ||
| return _CUDA_VSTD::sqrt((double) __x); | ||
| } | ||
|
|
||
| // cbrt | ||
|
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| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI float cbrt(float __x) noexcept | ||
| { | ||
| #if defined(_CCCL_BUILTIN_CBRTF) | ||
| return _CCCL_BUILTIN_CBRTF(__x); | ||
| #else // ^^^ _CCCL_BUILTIN_CBRTF ^^^ // vvv !_CCCL_BUILTIN_CBRTF vvv | ||
| return ::cbrtf(__x); | ||
| #endif // !_CCCL_BUILTIN_CBRTF | ||
| } | ||
|
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| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI float cbrtf(float __x) noexcept | ||
| { | ||
| #if defined(_CCCL_BUILTIN_CBRTF) | ||
| return _CCCL_BUILTIN_CBRTF(__x); | ||
| #else // ^^^ _CCCL_BUILTIN_CBRTF ^^^ // vvv !_CCCL_BUILTIN_CBRTF vvv | ||
| return ::cbrtf(__x); | ||
| #endif // !_CCCL_BUILTIN_CBRTF | ||
| } | ||
|
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||
| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI double cbrt(double __x) noexcept | ||
| { | ||
| #if defined(_CCCL_BUILTIN_CBRT) | ||
| return _CCCL_BUILTIN_CBRT(__x); | ||
| #else // ^^^ _CCCL_BUILTIN_CBRT ^^^ // vvv !_CCCL_BUILTIN_CBRT vvv | ||
| return ::cbrt(__x); | ||
| #endif // !_CCCL_BUILTIN_CBRT | ||
| } | ||
|
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||
| #if !defined(_LIBCUDACXX_HAS_NO_LONG_DOUBLE) | ||
| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI long double cbrt(long double __x) noexcept | ||
| { | ||
| # if defined(_CCCL_BUILTIN_CBRTL) | ||
| return _CCCL_BUILTIN_CBRTL(__x); | ||
| # else // ^^^ _CCCL_BUILTIN_CBRTL ^^^ // vvv !_CCCL_BUILTIN_CBRTL vvv | ||
| return ::cbrtl(__x); | ||
| # endif // !_CCCL_BUILTIN_CBRTL | ||
| } | ||
|
|
||
| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI long double cbrtl(long double __x) noexcept | ||
| { | ||
| # if defined(_CCCL_BUILTIN_CBRTL) | ||
| return _CCCL_BUILTIN_CBRTL(__x); | ||
| # else // ^^^ _CCCL_BUILTIN_CBRTL ^^^ // vvv !_CCCL_BUILTIN_CBRTL vvv | ||
| return ::cbrtl(__x); | ||
| # endif // !_CCCL_BUILTIN_CBRTL | ||
| } | ||
| #endif // !_LIBCUDACXX_HAS_NO_LONG_DOUBLE | ||
|
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| #if defined(_LIBCUDACXX_HAS_NVFP16) | ||
| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI __half cbrt(__half __x) noexcept | ||
| { | ||
| return __float2half(_CUDA_VSTD::cbrt(__half2float(__x))); | ||
| } | ||
| #endif // _LIBCUDACXX_HAS_NVFP16 | ||
|
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| #if defined(_LIBCUDACXX_HAS_NVBF16) | ||
| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI __nv_bfloat16 cbrt(__nv_bfloat16 __x) noexcept | ||
| { | ||
| return __float2bfloat16(_CUDA_VSTD::cbrt(__bfloat162float(__x))); | ||
| } | ||
| #endif // _LIBCUDACXX_HAS_NVBF16 | ||
|
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| template <class _Integer, enable_if_t<_CCCL_TRAIT(is_integral, _Integer), int> = 0> | ||
| _CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI double cbrt(_Integer __x) noexcept | ||
| { | ||
| return _CUDA_VSTD::cbrt((double) __x); | ||
| } | ||
|
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| _LIBCUDACXX_END_NAMESPACE_STD | ||
|
|
||
| #endif // _LIBCUDACXX___CMATH_ROOTS_H |
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