compiler/stdc/math/w_cabs.c

   1 /*
   2  * cabs() wrapper for hypot().
   3  *
   4  * Written by J.T. Conklin, <jtc@wimsey.com>
   5  * Placed into the Public Domain, 1994.
   6  */
   7
   8 #ifndef lint
   9 static const char rcsid[] =
  10   "$FreeBSD: src/lib/msun/src/w_cabs.c,v 1.4 2001/06/13 15:16:30 ru Exp $";
  11 #endif /* not lint */
  12
  13 #include <complex.h>
  14 #include <math.h>
  15
  16 double
  17 cabs(z)
  18         double complex z;
  19 {
  20         return hypot(creal(z), cimag(z));
  21 }
  22
  23 double
  24 z_abs(z)
  25         double complex *z;
  26 {
  27         return hypot(creal(*z), cimag(*z));
  28 }