frexp.c File Reference

#include <math.h>
#include <stdlib.h>
#include <internal/ieee.h>

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Functions
double	frexp (double __x, int *exptr)

Function Documentation

frexp()

double frexp	(	double	__x,
		int *	exptr
	)

Definition at line 9 of file frexp.c.

{
    union
    {
        double*   __x;
        double_s*   x;
    } x;
 
    x.__x = &__x;
 
    if ( exptr != NULL )
        *exptr = x.x->exponent - 0x3FE;
 
 
    x.x->exponent = 0x3FE;
 
    return __x;
}