/* { dg-do compile } */ /* { dg-options "-std=gnu99 -Wunsuffixed-float-constants" } */ #define VAL 0.5; double a = 1.1d; /* With FLOAT_CONST_DECIMAL64 switched to ON these would have type _Decimal64. */ double b = VAL; /* { dg-warning "unsuffixed float constant" } */ double c = 1.2; /* { dg-warning "unsuffixed float constant" } */ /* With FLOAT_CONST_DECIMAL64 switched to ON these are still binary. */ double d = 0x5.0p1; /* No warning for hex constant. */ double e = 3.1i; /* No warning for imaginary constant. */