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