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glibc  2.9
Functions
s_signbit.c File Reference
#include <math.h>
#include "math_private.h"

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Functions

int __signbit (double x)

Function Documentation

int __signbit ( double  x)

Definition at line 26 of file s_signbit.c.

{
  int32_t hx;

  GET_HIGH_WORD (hx, x);
  return hx & 0x80000000;
}

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