Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/float-range-5.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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/* 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; }