/// @file
/// Test creation and view of an element restriction at points
/// \test Test creation and view of an element restriction at points
#include <ceed.h>

int main(int argc, char **argv) {
  Ceed                ceed;
  CeedInt             num_elem = 3, num_points = num_elem * 2;
  CeedInt             ind[(num_elem + 1) + num_points];
  CeedElemRestriction elem_restriction;

  CeedInit(argv[1], &ceed);

  {
    CeedInt offset      = num_elem + 1;
    CeedInt point_index = num_elem;

    for (CeedInt i = 0; i < num_elem; i++) {
      CeedInt num_points_in_elem = (i + 1) % num_elem + 1;

      ind[i] = offset;
      for (CeedInt j = 0; j < num_points_in_elem; j++) {
        ind[offset + j] = point_index;
        point_index     = (point_index + 1) % num_points;
      }
      offset += num_points_in_elem;
    }
    ind[num_elem] = offset;
  }
  CeedElemRestrictionCreateAtPoints(ceed, num_elem, num_points, 1, num_points, CEED_MEM_HOST, CEED_USE_POINTER, ind, &elem_restriction);

  CeedElemRestrictionView(elem_restriction, stdout);

  CeedElemRestrictionDestroy(&elem_restriction);
  CeedDestroy(&ceed);
  return 0;
}