source: vendor/gcc/current/libf2c/libF77/cabs.c

Last change on this file was 1391, checked in by bird, 21 years ago

GCC v3.3.3 sources.

  • Property cvs2svn:cvs-rev set to 1.1.1.2
  • Property svn:eol-style set to native
  • Property svn:executable set to *
File size: 393 bytes
Line 
1#undef abs
2#include <math.h>
3double
4f__cabs (double real, double imag)
5{
6 double temp;
7
8 if (real < 0)
9 real = -real;
10 if (imag < 0)
11 imag = -imag;
12 if (imag > real)
13 {
14 temp = real;
15 real = imag;
16 imag = temp;
17 }
18 if ((real + imag) == real)
19 return (real);
20
21 temp = imag / real;
22 temp = real * sqrt (1.0 + temp * temp); /*overflow!! */
23 return (temp);
24}
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