libcxx/include/__math/remainder.h

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef _LIBCPP___MATH_REMAINDER_H
  10 #define _LIBCPP___MATH_REMAINDER_H
  11
  12 #include <__config>
  13 #include <__type_traits/enable_if.h>
  14 #include <__type_traits/is_arithmetic.h>
  15 #include <__type_traits/is_same.h>
  16 #include <__type_traits/promote.h>
  17 #include <limits>
  18
  19 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  20 #  pragma GCC system_header
  21 #endif
  22
  23 _LIBCPP_BEGIN_NAMESPACE_STD
  24
  25 namespace __math {
  26
  27 // remainder
  28
  29 inline _LIBCPP_HIDE_FROM_ABI float remainder(float __x, float __y) _NOEXCEPT { return __builtin_remainderf(__x, __y); }
  30
  31 template <class = int>
  32 _LIBCPP_HIDE_FROM_ABI double remainder(double __x, double __y) _NOEXCEPT {
  33   return __builtin_remainder(__x, __y);
  34 }
  35
  36 inline _LIBCPP_HIDE_FROM_ABI long double remainder(long double __x, long double __y) _NOEXCEPT {
  37   return __builtin_remainderl(__x, __y);
  38 }
  39
  40 template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>
  41 inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type remainder(_A1 __x, _A2 __y) _NOEXCEPT {
  42   using __result_type = typename __promote<_A1, _A2>::type;
  43   static_assert((!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value)), "");
  44   return __math::remainder((__result_type)__x, (__result_type)__y);
  45 }
  46
  47 // remquo
  48
  49 inline _LIBCPP_HIDE_FROM_ABI float remquo(float __x, float __y, int* __z) _NOEXCEPT {
  50   return __builtin_remquof(__x, __y, __z);
  51 }
  52
  53 template <class = int>
  54 _LIBCPP_HIDE_FROM_ABI double remquo(double __x, double __y, int* __z) _NOEXCEPT {
  55   return __builtin_remquo(__x, __y, __z);
  56 }
  57
  58 inline _LIBCPP_HIDE_FROM_ABI long double remquo(long double __x, long double __y, int* __z) _NOEXCEPT {
  59   return __builtin_remquol(__x, __y, __z);
  60 }
  61
  62 template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>
  63 inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type remquo(_A1 __x, _A2 __y, int* __z) _NOEXCEPT {
  64   using __result_type = typename __promote<_A1, _A2>::type;
  65   static_assert((!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value)), "");
  66   return __math::remquo((__result_type)__x, (__result_type)__y, __z);
  67 }
  68
  69 } // namespace __math
  70
  71 _LIBCPP_END_NAMESPACE_STD
  72
  73 #endif // _LIBCPP___MATH_REMAINDER_H