libm/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 #include <complex.h>
   9 #include <math.h>
  10
  11 double cabs(double _Complex z)
  12 {
  13         return hypot(__real__ z, __imag__ z);
  14 }
  15 libm_hidden_def(cabs)
  16
  17 libm_hidden_proto(cabsf)
  18 float cabsf(float _Complex z)
  19 {
  20         return (float) hypot((double)__real__ z, (double)__imag__ z);
  21 }
  22 libm_hidden_def(cabsf)
  23
  24 #if defined __UCLIBC_HAS_LONG_DOUBLE_MATH__ && !defined __NO_LONG_DOUBLE_MATH
  25 libm_hidden_proto(cabsl)
  26 long double cabsl(long double _Complex z)
  27 {
  28         return hypotl(__real__ z, __imag__ z);
  29 }
  30 libm_hidden_def(cabsl)
  31 #endif