fenv.h 773 B

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  1. #define FE_TONEAREST 0
  2. #define FE_TOWARDZERO 1
  3. #define FE_UPWARD 2
  4. #define FE_DOWNWARD 3
  5. #define FE_INEXACT 0x02000000
  6. #define FE_DIVBYZERO 0x04000000
  7. #define FE_UNDERFLOW 0x08000000
  8. #define FE_OVERFLOW 0x10000000
  9. #define FE_INVALID 0x20000000
  10. #define FE_ALL_EXCEPT 0x3e000000
  11. #ifdef _GNU_SOURCE
  12. #define FE_INVALID_SNAN 0x01000000
  13. #define FE_INVALID_ISI 0x00800000
  14. #define FE_INVALID_IDI 0x00400000
  15. #define FE_INVALID_ZDZ 0x00200000
  16. #define FE_INVALID_IMZ 0x00100000
  17. #define FE_INVALID_COMPARE 0x00080000
  18. #define FE_INVALID_SOFTWARE 0x00000400
  19. #define FE_INVALID_SQRT 0x00000200
  20. #define FE_INVALID_INTEGER_CONVERSION 0x00000100
  21. #define FE_ALL_INVALID 0x01f80700
  22. #endif
  23. typedef unsigned fexcept_t;
  24. typedef double fenv_t;
  25. #define FE_DFL_ENV ((const fenv_t *)-1)