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annotate gcc/testsuite/gcc.dg/float-range-5.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 1830386684a0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* PR 23572 : warnings for out of range floating-point constants
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2 Test that they are NOT pedantic warnings. */
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3 /* { dg-do compile } */
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4 /* { dg-options "-pedantic-errors -std=c99" } */
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5 /* { dg-skip-if "No Inf support" { spu-*-* } } */
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6 #include <math.h>
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7
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8 #ifndef INFINITY
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9 #define INFINITY (__builtin_inff ())
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10 #endif
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11
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12 void overflow(void)
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13 {
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14 float f1 = 3.5E+38f; /* { dg-warning "floating constant exceeds range" } */
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15 float f2 = -3.5E+38f; /* { dg-warning "floating constant exceeds range" } */
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16 float f3 = INFINITY;
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17 float f4 = -INFINITY;
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18
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19 double d1 = 1.9E+308; /* { dg-warning "floating constant exceeds range" } */
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20 double d2 = -1.9E+308; /* { dg-warning "floating constant exceeds range" } */
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21 double d3 = INFINITY;
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22 double d4 = -INFINITY;
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23 }
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24
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25 void underflow(void)
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26 {
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27 float f11 = 3.3E-10000000000000000000f; /* { dg-warning "floating constant truncated to zero" } */
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28 float f22 = -3.3E-10000000000000000000f; /* { dg-warning "floating constant truncated to zero" } */
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29 float f1 = 3.3E-46f; /* { dg-warning "floating constant truncated to zero" } */
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30 float f2 = -3.3E-46f; /* { dg-warning "floating constant truncated to zero" } */
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31 float f3 = 0;
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32 float f4 = -0;
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33 float f5 = 0.0;
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34 float f6 = -0.0;
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35
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36 double d11 = 3.3E-10000000000000000000; /* { dg-warning "floating constant truncated to zero" } */
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37 double d22 = -3.3E-10000000000000000000; /* { dg-warning "floating constant truncated to zero" } */
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38 double d1 = 1.4E-325; /* { dg-warning "floating constant truncated to zero" } */
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39 double d2 = -1.4E-325; /* { dg-warning "floating constant truncated to zero" } */
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40 double d3 = 0;
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41 double d4 = -0;
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42 double d5 = 0.0;
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43 double d6 = -0.0;
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44 }