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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) 2024 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCUDACXX___CSTDLIB_DIV_H
#define _LIBCUDACXX___CSTDLIB_DIV_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
#if !_CCCL_COMPILER(NVRTC)
# include <cstdlib>
#endif // !_CCCL_COMPILER(NVRTC)
#include <cuda/std/__cccl/prologue.h>
_LIBCUDACXX_BEGIN_NAMESPACE_STD
// If available, use the host's div_t, ldiv_t, and lldiv_t types because the struct members order is
// implementation-defined.
#if !_CCCL_COMPILER(NVRTC)
using ::div_t;
using ::ldiv_t;
using ::lldiv_t;
#else // ^^^ !_CCCL_COMPILER(NVRTC) / _CCCL_COMPILER(NVRTC) vvv
struct _CCCL_TYPE_VISIBILITY_DEFAULT div_t
{
int quot;
int rem;
};
struct _CCCL_TYPE_VISIBILITY_DEFAULT ldiv_t
{
long quot;
long rem;
};
struct _CCCL_TYPE_VISIBILITY_DEFAULT lldiv_t
{
long long quot;
long long rem;
};
#endif // !_CCCL_COMPILER(NVRTC)
[[nodiscard]] _CCCL_API constexpr div_t div(int __x, int __y) noexcept
{
div_t __result{};
__result.quot = __x / __y;
__result.rem = __x % __y;
return __result;
}
[[nodiscard]] _CCCL_API constexpr ldiv_t ldiv(long __x, long __y) noexcept
{
ldiv_t __result{};
__result.quot = __x / __y;
__result.rem = __x % __y;
return __result;
}
[[nodiscard]] _CCCL_API constexpr ldiv_t div(long __x, long __y) noexcept
{
return _CUDA_VSTD::ldiv(__x, __y);
}
[[nodiscard]] _CCCL_API constexpr lldiv_t lldiv(long long __x, long long __y) noexcept
{
lldiv_t __result{};
__result.quot = __x / __y;
__result.rem = __x % __y;
return __result;
}
[[nodiscard]] _CCCL_API constexpr lldiv_t div(long long __x, long long __y) noexcept
{
return _CUDA_VSTD::lldiv(__x, __y);
}
_LIBCUDACXX_END_NAMESPACE_STD
#include <cuda/std/__cccl/epilogue.h>
#endif // _LIBCUDACXX___CSTDLIB_DIV_H
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