fabs.c File Reference

#include <math.h>
#include <stdint.h>

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Functions
double	fabs (double x)

Function Documentation

fabs()

double fabs

(

double

x

)

Definition at line 4 of file fabs.c.

{
    union
    {
        double f;
        uint64_t i;
    } u = {x};
    u.i &= -1ULL / 2;
    return u.f;
}

Referenced by dtoa(), gdtoa(), and strtod().

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