1 //===-- Definition of function macros from math.h -------------------------===// 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 LLVM_LIBC_MACROS_MATH_FUNCTION_MACROS_H 10 #define LLVM_LIBC_MACROS_MATH_FUNCTION_MACROS_H 11 12 #include "math-macros.h" 13 14 #ifndef __cplusplus 15 #define issignaling(x) \ 16 _Generic((x), \ 17 float: issignalingf, \ 18 double: issignaling, \ 19 long double: issignalingl)(x) 20 #define iscanonical(x) \ 21 _Generic((x), \ 22 float: iscanonicalf, \ 23 double: iscanonical, \ 24 long double: iscanonicall)(x) 25 #endif 26 27 #define isfinite(x) __builtin_isfinite(x) 28 #define isinf(x) __builtin_isinf(x) 29 #define isnan(x) __builtin_isnan(x) 30 #define signbit(x) __builtin_signbit(x) 31 #define iszero(x) (x == 0) 32 #define fpclassify(x) \ 33 __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, FP_SUBNORMAL, FP_ZERO, x) 34 #define isnormal(x) __builtin_isnormal(x) 35 #define issubnormal(x) (fpclassify(x) == FP_SUBNORMAL) 36 37 #endif // LLVM_LIBC_MACROS_MATH_FUNCTION_MACROS_H 38