Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/float-range-5.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 1830386684a0 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/float-range-5.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,44 @@ +/* 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" } */ +/* { dg-skip-if "No Inf support" { spu-*-* } } */ +#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; +}