get-rounding-mode.h 1.1 KB

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  1. /* Determine floating-point rounding mode within libc. OpenRISC version.
  2. Copyright (C) 2024-2025 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. #ifndef _OR1K_GET_ROUNDING_MODE_H
  15. #define _OR1K_GET_ROUNDING_MODE_H 1
  16. #include <fenv.h>
  17. #include <fpu_control.h>
  18. /* Return the floating-point rounding mode. */
  19. static inline int
  20. get_rounding_mode (void)
  21. {
  22. fpu_control_t cw;
  23. _FPU_GETCW (cw);
  24. return cw & _FPU_FPCSR_RM_MASK;
  25. }
  26. #endif /* get-rounding-mode.h */