w_remainder.c 1.3 KB

1234567891011121314151617181920212223242526272829303132333435
  1. /* Copyright (C) 2011-2016 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
  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. <http://www.gnu.org/licenses/>. */
  15. #include <math.h>
  16. #include "math_private.h"
  17. /* wrapper remainder */
  18. double
  19. remainder (double x, double y)
  20. {
  21. #if __UCLIBC_HAS_FENV__
  22. if (((__builtin_expect (y == 0.0, 0) && ! isnan (x))
  23. || (__builtin_expect (isinf (x), 0) && ! isnan (y)))
  24. && _LIB_VERSION != _IEEE_)
  25. return __kernel_standard (x, y, 28); /* remainder domain */
  26. #endif /* __UCLIBC_HAS_FENV__ */
  27. return __ieee754_remainder (x, y);
  28. }
  29. strong_alias(remainder, drem)
  30. libm_hidden_def(remainder)