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/config.h" 15 #include "src/__support/macros/properties/types.h" // LIBC_TYPES_HAS_FLOAT128 16 17 namespace LIBC_NAMESPACE_DECL { 18 namespace cpp { 19 20 // is_floating_point 21 template <typename T> struct is_floating_point { 22 private: 23 template <typename Head, typename... Args> 24 LIBC_INLINE_VAR static constexpr bool __is_unqualified_any_of() { 25 return (... || is_same_v<remove_cv_t<Head>, Args>); 26 } 27 28 public: 29 LIBC_INLINE_VAR static constexpr bool value = 30 __is_unqualified_any_of<T, float, double, long double 31 #ifdef LIBC_TYPES_HAS_FLOAT16 32 , 33 float16 34 #endif 35 #ifdef LIBC_TYPES_HAS_FLOAT128 36 , 37 float128 38 #endif 39 >(); 40 }; 41 template <typename T> 42 LIBC_INLINE_VAR constexpr bool is_floating_point_v = 43 is_floating_point<T>::value; 44 45 } // namespace cpp 46 } // namespace LIBC_NAMESPACE_DECL 47 48 #endif // LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_IS_FLOATING_POINT_H 49