1 //===-- is_floating_point type_traits ---------------------------*- C++ -*-===// 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 LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_IS_FLOATING_POINT_H 9 #define LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_IS_FLOATING_POINT_H 10 11 #include "src/__support/CPP/type_traits/is_same.h" 12 #include "src/__support/CPP/type_traits/remove_cv.h" 13 #include "src/__support/macros/attributes.h" 14 #include "src/__support/macros/properties/types.h" // LIBC_TYPES_HAS_FLOAT128 15 16 namespace LIBC_NAMESPACE::cpp { 17 18 // is_floating_point 19 template <typename T> struct is_floating_point { 20 private: 21 template <typename Head, typename... Args> __is_unqualified_any_ofis_floating_point22 LIBC_INLINE_VAR static constexpr bool __is_unqualified_any_of() { 23 return (... || is_same_v<remove_cv_t<Head>, Args>); 24 } 25 26 public: 27 LIBC_INLINE_VAR static constexpr bool value = 28 __is_unqualified_any_of<T, float, double, long double 29 #ifdef LIBC_TYPES_HAS_FLOAT16 30 , 31 float16 32 #endif 33 #ifdef LIBC_TYPES_HAS_FLOAT128 34 , 35 float128 36 #endif 37 >(); 38 }; 39 template <typename T> 40 LIBC_INLINE_VAR constexpr bool is_floating_point_v = 41 is_floating_point<T>::value; 42 43 } // namespace LIBC_NAMESPACE::cpp 44 45 #endif // LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_IS_FLOATING_POINT_H 46