cabs.c File Reference

#include "math.h"

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Functions
double	f__cabs (double real, double imag)

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Function Documentation

double f__cabs	(	double	real,
		double	imag
	)

Definition at line 10 of file cabs.c.

{
double temp;

if(real < 0)
        real = -real;
if(imag < 0)
        imag = -imag;
if(imag > real){
        temp = real;
        real = imag;
        imag = temp;
}
if((real+imag) == real)
        return(real);

temp = imag/real;
temp = real*sqrt(1.0 + temp*temp);  /*overflow!!*/
return(temp);
}

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