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 CeedElemRestrictionApply(elem_restriction, CEED_TRANSPOSE, y, x, CEED_REQUEST_IMMEDIATE); 54 { 55 CeedInt point_index = num_elem; 56 const CeedScalar *read_array; 57 58 CeedVectorGetArrayRead(x, CEED_MEM_HOST, &read_array); 59 for (CeedInt i = 0; i < num_elem; i++) { 60 CeedInt num_points_in_elem = (i + 1) % num_elem + 1; 61 62 for (CeedInt j = 0; j < num_points_in_elem; j++) { 63 if (read_array[point_index] != 2 * i) { 64 // LCOV_EXCL_START 65 printf("Error in restricted array x[%" CeedInt_FMT "] = %f != %f\n", point_index, read_array[point_index], 2.0 * i); 66 // LCOV_EXCL_STOP 67 } 68 point_index = (point_index + 1) % num_points; 69 } 70 } 71 CeedVectorRestoreArrayRead(x, &read_array); 72 } 73 74 CeedVectorDestroy(&x); 75 CeedVectorDestroy(&y); 76 CeedElemRestrictionDestroy(&elem_restriction); 77 CeedDestroy(&ceed); 78 return 0; 79 } 80