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111
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1 /* Test complex divide does not have the bug identified in N1496. */
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2 /* { dg-do run } */
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3 /* { dg-options "-std=c11 -pedantic-errors" } */
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4 /* { dg-add-options ieee } */
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5
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6 extern void abort (void);
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7 extern void exit (int);
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8
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9 #define CMPLX(x, y) __builtin_complex ((double) (x), (double) (y))
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10 #define CMPLXF(x, y) __builtin_complex ((float) (x), (float) (y))
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11 #define CMPLXL(x, y) __builtin_complex ((long double) (x), (long double) (y))
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12 #define NAN __builtin_nanf ("")
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13 #define isnan(x) __builtin_isnan (x)
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14
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15 volatile _Complex float num_f = CMPLXF (1, 1);
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16 volatile _Complex float den_f = CMPLXF (0, NAN);
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17 volatile _Complex float res_f, cres_f = CMPLXF (1, 1) / CMPLXF (0, NAN);
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18
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19 volatile _Complex double num_d = CMPLX (1, 1);
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20 volatile _Complex double den_d = CMPLX (0, NAN);
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21 volatile _Complex double res_d, cres_d = CMPLX (1, 1) / CMPLX (0, NAN);
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22
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23 volatile _Complex long double num_ld = CMPLXL (1, 1);
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24 volatile _Complex long double den_ld = CMPLXL (0, NAN);
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25 volatile _Complex long double res_ld, cres_ld = CMPLXL (1, 1) / CMPLXL (0, NAN);
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26
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27 int
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28 main (void)
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29 {
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30 res_f = num_f / den_f;
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31 if (!isnan (__real__ res_f) || !isnan (__imag__ res_f)
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32 || !isnan (__real__ cres_f) || !isnan (__imag__ cres_f))
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33 abort ();
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34 res_d = num_d / den_d;
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35 if (!isnan (__real__ res_d) || !isnan (__imag__ res_d)
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36 || !isnan (__real__ cres_d) || !isnan (__imag__ cres_d))
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37 abort ();
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38 res_ld = num_ld / den_ld;
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39 if (!isnan (__real__ res_ld) || !isnan (__imag__ res_ld)
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40 || !isnan (__real__ cres_ld) || !isnan (__imag__ cres_ld))
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41 abort ();
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42 exit (0);
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43 }
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