gcc/testsuite/gcc.c-torture/execute/pr39228.c

   1 extern void abort (void);
   2
   3 static int __attribute__((always_inline)) testf (float b)
   4 {
   5   float c = 1.01f * b;
   6
   7   return __builtin_isinff (c);
   8 }
   9
  10 static int __attribute__((always_inline)) test (double b)
  11 {
  12   double c = 1.01 * b;
  13
  14   return __builtin_isinf (c);
  15 }
  16
  17 static int __attribute__((always_inline)) testl (long double b)
  18 {
  19   long double c = 1.01L * b;
  20
  21   return __builtin_isinfl (c);
  22 }
  23
  24 int main()
  25 {
  26   if (testf (__FLT_MAX__) < 1)
  27     abort ();
  28
  29   if (test (__DBL_MAX__) < 1)
  30     abort ();
  31
  32   if (testl (__LDBL_MAX__) < 1)
  33     abort ();
  34
  35   return 0;
  36 }