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- #define FE_TONEAREST 0
- #define FE_TOWARDZERO 1
- #define FE_UPWARD 2
- #define FE_DOWNWARD 3
- #define FE_INEXACT 0x00080000
- #define FE_UNDERFLOW 0x00100000
- #define FE_OVERFLOW 0x00200000
- #define FE_DIVBYZERO 0x00400000
- #define FE_INVALID 0x00800000
- #define FE_ALL_EXCEPT 0x00f80000
- typedef unsigned fexcept_t;
- typedef unsigned fenv_t;
- #define FE_DFL_ENV ((const fenv_t *)-1)
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