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double fabs (double);

typedef struct ctype

{

  int i;

  double x;

}ctype_t;

int test_scalar_address(int *ptr)

{

  /* The value in Fortran should be initialized to 100. */

  if(*ptr != 100)

    return 0;

  else

    return 1;

}

int test_array_address(int *int_array, int num_elements)

{

  int i = 0;

  for(i = 0; i < num_elements; i++)

    /* Fortran will init all of the elements to 100; verify that here. */

    if(int_array[i] != 100)

      return 0;

  /* all elements were equal to 100 */

  return 1;

}

int test_type_address(ctype_t *type_ptr)

{

  /* i was set to 100 by Fortran */

  if(type_ptr->i != 100)

    return 0;

  /* x was set to 1.0d0 by Fortran */

  if(fabs(type_ptr->x - 1.0) > 0.00000000)

    return 0;

  return 1;

}