File: Wunsuffixed-float-constants-1.c

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gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
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/* { 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.  */