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111
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1 /* { dg-do run } */
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2 /* { dg-options "-O1 -funroll-loops" } */
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3 /* { dg-add-options ieee } */
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4
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5 extern void exit (int);
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6 extern void abort (void);
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7
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8 void
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9 compare (double a, double b)
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10 {
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11 do
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12 {
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13 double s1 = __builtin_copysign ((double) 1.0, a);
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14 double s2 = __builtin_copysign ((double) 1.0, b);
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15
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16 if (s1 != s2)
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17 abort ();
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18
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19 if ((__builtin_isnan (a) != 0) != (__builtin_isnan (b) != 0))
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20 abort ();
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21
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22 if ((a != b) != (__builtin_isnan (a) != 0))
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23 abort ();
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24 } while (0);
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25 }
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26
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27 int
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28 main ()
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29 {
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30 double a = 0.0;
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31 double b = 0.0;
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32 _Complex double cr = __builtin_complex (a, b);
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33 static _Complex double cs = __builtin_complex (0.0, 0.0);
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34
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35 compare (__real__ cr, 0.0);
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36 compare (__imag__ cr, 0.0);
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37 compare (__real__ cs, 0.0);
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38 compare (__imag__ cs, 0.0);
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39
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40 exit (0);
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41 }
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