1 /* PR 23572 : warnings for out of range floating-point constants
2    Test that they are NOT pedantic warnings.  */
3 /* { dg-do compile } */
4 /* { dg-options "-pedantic-errors -std=c99" } */
5 /* { dg-skip-if "No Inf support" { spu-*-* } } */
6 #include <math.h>
7 
8 #ifndef INFINITY
9 #define INFINITY (__builtin_inff ())
10 #endif
11 
overflow(void)12 void overflow(void)
13 {
14   float f1 = 3.5E+38f;  /* { dg-warning "floating constant exceeds range" } */
15   float f2 = -3.5E+38f; /* { dg-warning "floating constant exceeds range" } */
16   float f3 = INFINITY;
17   float f4 = -INFINITY;
18 
19   double d1 = 1.9E+308;  /* { dg-warning "floating constant exceeds range" } */
20   double d2 = -1.9E+308; /* { dg-warning "floating constant exceeds range" } */
21   double d3 = INFINITY;
22   double d4 = -INFINITY;
23 }
24 
underflow(void)25 void underflow(void)
26 {
27   float f11 = 3.3E-10000000000000000000f;  /* { dg-warning "floating constant truncated to zero" } */
28   float f22 = -3.3E-10000000000000000000f; /* { dg-warning "floating constant truncated to zero" } */
29   float f1 = 3.3E-46f;  /* { dg-warning "floating constant truncated to zero" } */
30   float f2 = -3.3E-46f; /* { dg-warning "floating constant truncated to zero" } */
31   float f3 = 0;
32   float f4 = -0;
33   float f5 = 0.0;
34   float f6 = -0.0;
35 
36   double d11 = 3.3E-10000000000000000000;  /* { dg-warning "floating constant truncated to zero" } */
37   double d22 = -3.3E-10000000000000000000; /* { dg-warning "floating constant truncated to zero" } */
38   double d1 = 1.4E-325;  /* { dg-warning "floating constant truncated to zero" } */
39   double d2 = -1.4E-325; /* { dg-warning "floating constant truncated to zero" } */
40   double d3 = 0;
41   double d4 = -0;
42   double d5 = 0.0;
43   double d6 = -0.0;
44 }
45