fp-fast.h 1.1 KB

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  1. /* Define FP_FAST_* macros. AArch64 version.
  2. Copyright (C) 2016-2021 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, see
  14. <https://www.gnu.org/licenses/>. */
  15. #ifndef _MATH_H
  16. # error "Never use <bits/fp-fast.h> directly; include <math.h> instead."
  17. #endif
  18. #ifdef __USE_ISOC99
  19. /* The GCC 4.6 compiler will define __FP_FAST_FMA{,F,L} if the fma{,f,l}
  20. builtins are supported. */
  21. # define FP_FAST_FMA 1
  22. # define FP_FAST_FMAF 1
  23. # ifdef __FP_FAST_FMAL
  24. # define FP_FAST_FMAL 1
  25. # endif
  26. #endif