gcc/testsuite/gcc.dg/builtins-19.c

   1 /* Copyright (C) 2003  Free Software Foundation.
   2
   3    Check that cabs of a non-complex argument is converted into fabs.
   4
   5    Written by Roger Sayle, 1st June 2003.  */
   6
   7 /* { dg-do link } */
   8 /* { dg-options "-O2 -ffast-math" } */
   9
  10 double cabs (__complex__ double);
  11 float cabsf (__complex__ float);
  12 long double cabsl (__complex__ long double);
  13
  14 void link_error (void);
  15
  16 void test (double x)
  17 {
  18   if (cabs (x) != fabs (x))
  19     link_error ();
  20 }
  21
  22 void testf (float x)
  23 {
  24   if (cabsf (x) != fabsf (x))
  25     link_error ();
  26 }
  27
  28 void testl (long double x)
  29 {
  30   if (cabsl (x) != fabsl (x))
  31     link_error ();
  32 }
  33
  34 int main ()
  35 {
  36   test (1.0);
  37   testf (1.0f);
  38   testl (1.0l);
  39   return 0;
  40 }
  41