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//===----------------------------------------------------------------------===//
//
// Part of libcu++, the C++ Standard Library for your entire system,
// 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.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCUDACXX___FLOATING_POINT_ARITHMETIC_H
#define _LIBCUDACXX___FLOATING_POINT_ARITHMETIC_H
#include <cuda/std/detail/__config>
#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
#include <cuda/std/__floating_point/mask.h>
#include <cuda/std/__floating_point/native_type.h>
#include <cuda/std/__floating_point/storage.h>
#include <cuda/std/__cccl/prologue.h>
_LIBCUDACXX_BEGIN_NAMESPACE_STD
template <__fp_format _Fmt>
[[nodiscard]] _CCCL_API constexpr __fp_storage_t<_Fmt> __fp_neg(__fp_storage_t<_Fmt> __v) noexcept
{
return static_cast<__fp_storage_t<_Fmt>>(__v ^ __fp_sign_mask_v<_Fmt>);
}
template <class _Tp>
[[nodiscard]] _CCCL_API constexpr _Tp __fp_neg(const _Tp& __v) noexcept
{
if constexpr (__fp_is_native_type_v<_Tp>)
{
return -__v;
}
else
{
return _CUDA_VSTD::__fp_from_storage<_Tp>(
_CUDA_VSTD::__fp_neg<__fp_format_of_v<_Tp>>(_CUDA_VSTD::__fp_get_storage(__v)));
}
}
_LIBCUDACXX_END_NAMESPACE_STD
#include <cuda/std/__cccl/epilogue.h>
#endif // _LIBCUDACXX___FLOATING_POINT_ARITHMETIC_H
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