gcc/testsuite/gcc.dg/builtins-63.c

   1 /* Copyright (C) 2007 Free Software Foundation.
   2
   3    Check that isinf, isinff and isinfl built-in functions compile.
   4
   5    Written by Uros Bizjak, 31st January 2007.  */
   6
   7 /* { dg-do compile } */
   8 /* { dg-options "-O2" } */
   9
  10 extern int isinf(double);
  11 extern int isinff(float);
  12 extern int isinfl(long double);
  13
  14 int test1(double x)
  15 {
  16   return isinf(x);
  17 }
  18
  19 int test1f(float x)
  20 {
  21   return isinff(x);
  22 }
  23
  24 int test1l(long double x)
  25 {
  26   return isinfl(x);
  27 }
  28