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2 /* Copyright 2009, 2010 The University of Texas at Austin.           */
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37 /*********************************************************************/
38 
39 #include "common.h"
40 
41 double fabs(double);
42 double sqrt(double);
43 
44 #ifdef NEED_F2CCONV
45 double
46 #else
47 FLOAT
48 #endif
CNAME(FLOAT * z)49  CNAME(FLOAT *z){
50 
51   FLOAT real = z[0];
52   FLOAT imag = z[1];
53   double temp;
54 
55  real = fabs(real);
56  imag = fabs(imag);
57 
58 if(imag > real){
59 	temp = real;
60 	real = imag;
61 	imag = temp;
62 }
63 
64  if (imag == 0.) return real;
65 
66  temp = imag/real;
67  temp = real * sqrt(1.0 + temp*temp);
68 
69  return temp;
70 
71 }
72