diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/Wunsuffixed-float-constants-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/Wunsuffixed-float-constants-1.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Wunsuffixed-float-constants-1.c b/gcc/testsuite/gcc.dg/Wunsuffixed-float-constants-1.c new file mode 100644 index 000000000..b4a38d5cb --- /dev/null +++ b/gcc/testsuite/gcc.dg/Wunsuffixed-float-constants-1.c @@ -0,0 +1,17 @@ +/* { 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. */ |