libc/hdr/fenv_macros.h

   1 //===-- Definition of macros from fenv.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_HDR_FENV_MACROS_H
  10 #define LLVM_LIBC_HDR_FENV_MACROS_H
  11
  12 #ifdef LIBC_FULL_BUILD
  13
  14 #include "include/llvm-libc-macros/fenv-macros.h"
  15
  16 #else // Overlay mode
  17
  18 #include <fenv.h>
  19
  20 // In some environment, FE_ALL_EXCEPT is set to 0 and the remaining exceptions
  21 // FE_* are missing.
  22 #ifndef FE_DIVBYZERO
  23 #define FE_DIVBYZERO 0
  24 #endif // FE_DIVBYZERO
  25
  26 #ifndef FE_INEXACT
  27 #define FE_INEXACT 0
  28 #endif // FE_INEXACT
  29
  30 #ifndef FE_INVALID
  31 #define FE_INVALID 0
  32 #endif // FE_INVALID
  33
  34 #ifndef FE_OVERFLOW
  35 #define FE_OVERFLOW 0
  36 #endif // FE_OVERFLOW
  37
  38 #ifndef FE_UNDERFLOW
  39 #define FE_UNDERFLOW 0
  40 #endif // FE_UNDERFLOW
  41
  42 // Rounding mode macros might be missing.
  43 #ifndef FE_DOWNWARD
  44 #define FE_DOWNWARD 0x400
  45 #endif // FE_DOWNWARD
  46
  47 #ifndef FE_TONEAREST
  48 #define FE_TONEAREST 0
  49 #endif // FE_TONEAREST
  50
  51 #ifndef FE_TOWARDZERO
  52 #define FE_TOWARDZERO 0xC00
  53 #endif // FE_TOWARDZERO
  54
  55 #ifndef FE_UPWARD
  56 #define FE_UPWARD 0x800
  57 #endif // FE_UPWARD
  58
  59 #endif // LLVM_LIBC_FULL_BUILD
  60
  61 #endif // LLVM_LIBC_HDR_FENV_MACROS_H