fesetenv.c 1.0 KB

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  1. /* Install given floating-point environment.
  2. Copyright (C) 1997-2025 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 <fpu_control.h>
  16. int
  17. fesetenv (const fenv_t *envp)
  18. {
  19. if (envp == FE_DFL_ENV)
  20. _FPU_SETCW (_FPU_DEFAULT);
  21. else
  22. {
  23. fpu_control_t temp = envp->__fpscr;
  24. _FPU_SETCW (temp);
  25. }
  26. return 0;
  27. }