fegetexcept.c 1011 B

12345678910111213141516171819202122232425262728293031
  1. /* Get enabled floating-point exceptions.
  2. Copyright (C) 2000-2025 Free Software Foundation, Inc.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library. If not, see
  13. <https://www.gnu.org/licenses/>. */
  14. #include <fenv.h>
  15. #include "fenv_libc.h"
  16. #include <fpu_control.h>
  17. int
  18. fegetexcept (void)
  19. {
  20. unsigned int exc;
  21. /* Get the current control word. */
  22. _FPU_GETCW (exc);
  23. return (exc & ENABLE_MASK) >> ENABLE_SHIFT;
  24. }