44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
/* PR 23572 : warnings for out of range floating-point constants
|
|
Test that they are NOT pedantic warnings. */
|
|
/* { dg-do compile } */
|
|
/* { dg-options "-pedantic-errors -std=c99" } */
|
|
#include <math.h>
|
|
|
|
#ifndef INFINITY
|
|
#define INFINITY (__builtin_inff ())
|
|
#endif
|
|
|
|
void overflow(void)
|
|
{
|
|
float f1 = 3.5E+38f; /* { dg-warning "floating constant exceeds range" } */
|
|
float f2 = -3.5E+38f; /* { dg-warning "floating constant exceeds range" } */
|
|
float f3 = INFINITY;
|
|
float f4 = -INFINITY;
|
|
|
|
double d1 = 1.9E+308; /* { dg-warning "floating constant exceeds range" } */
|
|
double d2 = -1.9E+308; /* { dg-warning "floating constant exceeds range" } */
|
|
double d3 = INFINITY;
|
|
double d4 = -INFINITY;
|
|
}
|
|
|
|
void underflow(void)
|
|
{
|
|
float f11 = 3.3E-10000000000000000000f; /* { dg-warning "floating constant truncated to zero" } */
|
|
float f22 = -3.3E-10000000000000000000f; /* { dg-warning "floating constant truncated to zero" } */
|
|
float f1 = 3.3E-46f; /* { dg-warning "floating constant truncated to zero" } */
|
|
float f2 = -3.3E-46f; /* { dg-warning "floating constant truncated to zero" } */
|
|
float f3 = 0;
|
|
float f4 = -0;
|
|
float f5 = 0.0;
|
|
float f6 = -0.0;
|
|
|
|
double d11 = 3.3E-10000000000000000000; /* { dg-warning "floating constant truncated to zero" } */
|
|
double d22 = -3.3E-10000000000000000000; /* { dg-warning "floating constant truncated to zero" } */
|
|
double d1 = 1.4E-325; /* { dg-warning "floating constant truncated to zero" } */
|
|
double d2 = -1.4E-325; /* { dg-warning "floating constant truncated to zero" } */
|
|
double d3 = 0;
|
|
double d4 = -0;
|
|
double d5 = 0.0;
|
|
double d6 = -0.0;
|
|
}
|