gcc/testsuite/gfortran.dg/c_loc_tests_2_funcs.c

   1 double fabs (double);
   2
   3 typedef struct ctype
   4 {
   5   int i;
   6   double x;
   7 }ctype_t;
   8
   9 int test_scalar_address(int *ptr)
  10 {
  11   /* The value in Fortran should be initialized to 100. */
  12   if(*ptr != 100)
  13     return 0;
  14   else
  15     return 1;
  16 }
  17
  18 int test_array_address(int *int_array, int num_elements)
  19 {
  20   int i = 0;
  21
  22   for(i = 0; i < num_elements; i++)
  23     /* Fortran will init all of the elements to 100; verify that here. */
  24     if(int_array[i] != 100)
  25       return 0;
  26
  27   /* all elements were equal to 100 */
  28   return 1;
  29 }
  30
  31 int test_type_address(ctype_t *type_ptr)
  32 {
  33   /* i was set to 100 by Fortran */
  34   if(type_ptr->i != 100)
  35     return 0;
  36
  37   /* x was set to 1.0d0 by Fortran */
  38   if(fabs(type_ptr->x - 1.0) > 0.00000000)
  39     return 0;
  40
  41   return 1;
  42 }