1 /* { dg-do compile } */ 2 /* { dg-options "-std=gnu99 -Wunsuffixed-float-constants" } */ 3 4 #define VAL 0.5; 5 6 double a = 1.1d; 7 8 /* With FLOAT_CONST_DECIMAL64 switched to ON these would have type 9 _Decimal64. */ 10 11 double b = VAL; /* { dg-warning "unsuffixed float constant" } */ 12 double c = 1.2; /* { dg-warning "unsuffixed float constant" } */ 13 14 /* With FLOAT_CONST_DECIMAL64 switched to ON these are still binary. */ 15 16 double d = 0x5.0p1; /* No warning for hex constant. */ 17 double e = 3.1i; /* No warning for imaginary constant. */ 18