gcc/testsuite/gfortran.dg/c_f_pointer_complex_driver.c

   1 /* { dg-options "-std=c99 -w" } */
   2 /* From c_by_val.c in gfortran.dg.  */
   3 #define _Complex_I (1.0iF)
   4
   5 #define NUM_ELEMS 10
   6
   7 void test_complex_scalars (float _Complex *float_complex_ptr,
   8                            double _Complex *double_complex_ptr,
   9                            long double _Complex *long_double_complex_ptr);
  10 void test_complex_arrays (float _Complex *float_complex_array,
  11                           double _Complex *double_complex_array,
  12                           long double _Complex *long_double_complex_array,
  13                           int num_elems);
  14
  15 int main (int argc, char **argv)
  16 {
  17   float _Complex c1;
  18   double _Complex c2;
  19   long double _Complex c3;
  20   float _Complex c1_array[NUM_ELEMS];
  21   double _Complex c2_array[NUM_ELEMS];
  22   long double _Complex c3_array[NUM_ELEMS];
  23   int i;
  24
  25   c1 = 1.0 + 0.0 * _Complex_I;
  26   c2 = 2.0 + 0.0 * _Complex_I;
  27   c3 = 3.0 + 0.0 * _Complex_I;
  28
  29   test_complex_scalars (&c1, &c2, &c3);
  30
  31   for (i = 0; i < NUM_ELEMS; i++)
  32     {
  33       c1_array[i] = 1.0 * (i+1) + 0.0 * _Complex_I;
  34       c2_array[i] = 1.0 * (i+1) + 0.0 * _Complex_I;
  35       c3_array[i] = 1.0 * (i+1) + 0.0 * _Complex_I;
  36     }
  37
  38   test_complex_arrays (c1_array, c2_array, c3_array, NUM_ELEMS);
  39
  40   return 0;
  41 }