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/* Copyright 2009, 2010 The University of Texas at Austin.           */
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/*    THIS  SOFTWARE IS PROVIDED  BY THE  UNIVERSITY OF  TEXAS AT    */
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/*********************************************************************/

#include "common.h"

double fabs(double);
double sqrt(double);

#ifdef NEED_F2CCONV
double
#else
FLOAT
#endif
 CNAME(FLOAT *z){

  FLOAT real = z[0];
  FLOAT imag = z[1];
  double temp;

 real = fabs(real);
 imag = fabs(imag);

if(imag > real){
	temp = real;
	real = imag;
	imag = temp;
}

 if (imag == 0.) return real;

 temp = imag/real;
 temp = real * sqrt(1.0 + temp*temp);

 return temp;

}