remainder.h 2.6 KB

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  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. #ifndef _LIBCPP___MATH_REMAINDER_H
  9. #define _LIBCPP___MATH_REMAINDER_H
  10. #include <__config>
  11. #include <__type_traits/enable_if.h>
  12. #include <__type_traits/is_arithmetic.h>
  13. #include <__type_traits/is_same.h>
  14. #include <__type_traits/promote.h>
  15. #include <limits>
  16. #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  17. # pragma GCC system_header
  18. #endif
  19. _LIBCPP_BEGIN_NAMESPACE_STD
  20. namespace __math {
  21. // remainder
  22. inline _LIBCPP_HIDE_FROM_ABI float remainder(float __x, float __y) _NOEXCEPT { return __builtin_remainderf(__x, __y); }
  23. template <class = int>
  24. _LIBCPP_HIDE_FROM_ABI double remainder(double __x, double __y) _NOEXCEPT {
  25. return __builtin_remainder(__x, __y);
  26. }
  27. inline _LIBCPP_HIDE_FROM_ABI long double remainder(long double __x, long double __y) _NOEXCEPT {
  28. return __builtin_remainderl(__x, __y);
  29. }
  30. template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>
  31. inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type remainder(_A1 __x, _A2 __y) _NOEXCEPT {
  32. using __result_type = typename __promote<_A1, _A2>::type;
  33. static_assert((!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value)), "");
  34. return __math::remainder((__result_type)__x, (__result_type)__y);
  35. }
  36. // remquo
  37. inline _LIBCPP_HIDE_FROM_ABI float remquo(float __x, float __y, int* __z) _NOEXCEPT {
  38. return __builtin_remquof(__x, __y, __z);
  39. }
  40. template <class = int>
  41. _LIBCPP_HIDE_FROM_ABI double remquo(double __x, double __y, int* __z) _NOEXCEPT {
  42. return __builtin_remquo(__x, __y, __z);
  43. }
  44. inline _LIBCPP_HIDE_FROM_ABI long double remquo(long double __x, long double __y, int* __z) _NOEXCEPT {
  45. return __builtin_remquol(__x, __y, __z);
  46. }
  47. template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>
  48. inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type remquo(_A1 __x, _A2 __y, int* __z) _NOEXCEPT {
  49. using __result_type = typename __promote<_A1, _A2>::type;
  50. static_assert((!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value)), "");
  51. return __math::remquo((__result_type)__x, (__result_type)__y, __z);
  52. }
  53. } // namespace __math
  54. _LIBCPP_END_NAMESPACE_STD
  55. #endif // _LIBCPP___MATH_REMAINDER_H