libc/include/llvm-libc-macros/math-macros.h

   1 //===-- Definition of 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_MACROS_H
  10 #define __LLVM_LIBC_MACROS_MATH_MACROS_H
  11
  12 #define MATH_ERRNO 1
  13 #define MATH_ERREXCEPT 2
  14
  15 #define HUGE_VAL __builtin_huge_val()
  16 #define INFINITY __builtin_inf()
  17 #define NAN __builtin_nanf("")
  18
  19 #define FP_ILOGB0 (-__INT_MAX__ - 1)
  20 #define FP_ILOGBNAN __INT_MAX__
  21
  22 #define isfinite(x) __builtin_isfinite(x)
  23 #define isinf(x) __builtin_isinf(x)
  24 #define isnan(x) __builtin_isnan(x)
  25
  26 #ifdef __FAST_MATH__
  27 #define math_errhandling 0
  28 #elif defined __NO_MATH_ERRNO__
  29 #define math_errhandling (MATH_ERREXCEPT)
  30 #else
  31 #define math_errhandling (MATH_ERRNO | MATH_ERREXCEPT)
  32 #endif
  33
  34 #endif // __LLVM_LIBC_MACROS_MATH_MACROS_H