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#define FE_INVALID 1
#define FE_DIVBYZERO 2
#define FE_OVERFLOW 4
#define FE_UNDERFLOW 8
#define FE_INEXACT 16
#define FE_ALL_EXCEPT 31
#define FE_TONEAREST 0
#define FE_DOWNWARD 0x800000
#define FE_UPWARD 0x400000
#define FE_TOWARDZERO 0xc00000
typedef unsigned int fexcept_t;
typedef struct {
unsigned int __fpcr;
unsigned int __fpsr;
} fenv_t;
#define FE_DFL_ENV ((const fenv_t *) -1)
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