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111
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1 /* { dg-do link } */
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2 /* { dg-options "-O2 -ffast-math" } */
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3 /* { dg-require-effective-target c99_runtime } */
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4
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5 extern int ilogbf (float);
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6 extern float logbf (float);
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7 extern int ilogb (double);
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8 extern double logb (double);
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9 extern int ilogbl (long double);
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10 extern long double logbl (long double);
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11
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12 extern void link_error(void);
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13
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14 void testf(float x)
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15 {
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16 if ((int) logbf (x) != ilogbf (x))
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17 link_error ();
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18 }
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19
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20 void test(double x)
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21 {
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22 if ((int) logb (x) != ilogb (x))
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23 link_error ();
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24 }
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25
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26 void testl(long double x)
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27 {
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28 if ((int) logbl (x) != ilogbl (x))
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29 link_error ();
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30 }
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31
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32 int main()
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33 {
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34 testf (2.0f);
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35 test (2.0);
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36 testl (2.0l);
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37
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38 return 0;
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39 }
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40
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