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