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

   1 /* { dg-add-options ieee } */
   2 /* { dg-skip-if "No Inf/NaN support" { spu-*-* } } */
   3
   4 extern void abort (void);
   5
   6 static inline int __attribute__((always_inline)) testf (float b)
   7 {
   8   float c = 1.01f * b;
   9
  10   return __builtin_isinff (c);
  11 }
  12
  13 static inline int __attribute__((always_inline)) test (double b)
  14 {
  15   double c = 1.01 * b;
  16
  17   return __builtin_isinf (c);
  18 }
  19
  20 static inline int __attribute__((always_inline)) testl (long double b)
  21 {
  22   long double c = 1.01L * b;
  23
  24   return __builtin_isinfl (c);
  25 }
  26
  27 int main()
  28 {
  29   if (testf (__FLT_MAX__) < 1)
  30     abort ();
  31
  32   if (test (__DBL_MAX__) < 1)
  33     abort ();
  34
  35   if (testl (__LDBL_MAX__) < 1)
  36     abort ();
  37
  38   return 0;
  39 }