gcc/testsuite/g++.dg/cpp0x/constexpr-builtin1.C

   1 // PR c++/49813
   2 // { dg-do compile { target c++11 } }
   3
   4 inline constexpr bool
   5 isinf(long double __x)
   6 { return __builtin_isinf(__x); }
   7
   8 inline constexpr bool
   9 isinf(double __x)
  10 { return __builtin_isinf(__x); }
  11
  12 inline constexpr bool
  13 isnan(long double __x)
  14 { return __builtin_isnan(__x); }
  15
  16 int main()
  17 {
  18   constexpr long double num1 = __builtin_isinf(1.l); // Ok.
  19
  20   constexpr long double num2 = isinf(1.l);           // Error.
  21
  22   constexpr double      num3 = isinf(1.);            // Ok.
  23
  24   constexpr long double num4 = isnan(1.l);           // Ok.
  25 }