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CABS.C
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1991-06-10
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330 b
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22 lines
double cabs(real, imag)
double real, imag;
{
double temp, sqrt();
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);
}