1 /// @file 2 /// Test creation, use, and destruction of an element restriction at points 3 /// \test Test creation, use, and destruction of an element restriction at points 4 #include <ceed.h> 5 #include <ceed/backend.h> 6 #include <stdio.h> 7 8 int main(int argc, char **argv) { 9 Ceed ceed; 10 CeedInt num_elem = 3, num_points = num_elem * 2; 11 CeedInt ind[(num_elem + 1) + num_points]; 12 CeedVector x, y; 13 CeedElemRestriction elem_restriction; 14 15 CeedInit(argv[1], &ceed); 16 17 { 18 CeedInt offset = num_elem + 1; 19 CeedInt point_index = num_elem; 20 21 for (CeedInt i = 0; i < num_elem; i++) { 22 CeedInt num_points_in_elem = (i + 1) % num_elem + 1; 23 24 ind[i] = offset; 25 for (CeedInt j = 0; j < num_points_in_elem; j++) { 26 ind[offset + j] = point_index; 27 point_index = (point_index + 1) % num_points; 28 } 29 offset += num_points_in_elem; 30 } 31 ind[num_elem] = offset; 32 } 33 CeedElemRestrictionCreateAtPoints(ceed, num_elem, num_points, 1, num_points, CEED_MEM_HOST, CEED_USE_POINTER, ind, &elem_restriction); 34 35 CeedElemRestrictionCreateVector(elem_restriction, &x, &y); 36 CeedVectorSetValue(y, 0.0); 37 { 38 CeedInt point_index = num_elem; 39 CeedScalar array[num_points]; 40 41 for (CeedInt i = 0; i < num_elem; i++) { 42 CeedInt num_points_in_elem = (i + 1) % num_elem + 1; 43 44 for (CeedInt j = 0; j < num_points_in_elem; j++) { 45 array[point_index] = i; 46 point_index = (point_index + 1) % num_points; 47 } 48 } 49 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_COPY_VALUES, array); 50 } 51 52 CeedElemRestrictionApply(elem_restriction, CEED_NOTRANSPOSE, x, y, CEED_REQUEST_IMMEDIATE); 53 { 54 CeedInt e_layout[3]; 55 const CeedScalar *read_array; 56 57 CeedVectorGetArrayRead(y, CEED_MEM_HOST, &read_array); 58 CeedElemRestrictionGetELayout(elem_restriction, e_layout); 59 60 for (CeedInt i = 0; i < num_elem; i++) { 61 CeedSize elem_offset = 0; 62 const CeedInt num_points_in_elem = (i + 1) % num_elem + 1; 63 64 CeedElemRestrictionGetAtPointsElementOffset(elem_restriction, i, &elem_offset); 65 for (CeedInt j = 0; j < num_points_in_elem; j++) { 66 if (i != read_array[elem_offset + j * e_layout[0]]) { 67 // LCOV_EXCL_START 68 printf("Error in restricted array y[%" CeedInt_FMT "] = %f != %f\n", (CeedInt)elem_offset + j * e_layout[0], 69 (CeedScalar)read_array[elem_offset + j * e_layout[0]], (CeedScalar)i); 70 // LCOV_EXCL_STOP 71 } 72 } 73 } 74 CeedVectorRestoreArrayRead(y, &read_array); 75 } 76 77 CeedVectorDestroy(&x); 78 CeedVectorDestroy(&y); 79 CeedElemRestrictionDestroy(&elem_restriction); 80 CeedDestroy(&ceed); 81 return 0; 82 } 83