1 /// @file 2 /// Test creation, action, and destruction for diffusion matrix operator 3 /// \test Test creation, action, and destruction for diffusion matrix operator 4 #include "t522-operator.h" 5 6 #include <ceed.h> 7 #include <math.h> 8 #include <stdlib.h> 9 10 #include "t320-basis.h" 11 12 /* The mesh comprises of two rows of 3 quadralaterals followed by one row 13 of 6 triangles: 14 _ _ _ 15 |_|_|_| 16 |_|_|_| 17 |/|/|/| 18 19 */ 20 21 int main(int argc, char **argv) { 22 Ceed ceed; 23 CeedElemRestriction elem_restr_x_tet, elem_restr_u_tet, elem_restr_qd_i_tet, elem_restr_x_hex, elem_restr_u_hex, elem_restr_qd_i_hex; 24 CeedBasis basis_x_tet, basis_u_tet, basis_x_hex, basis_u_hex; 25 CeedQFunction qf_setup_tet, qf_diff_tet, qf_setup_hex, qf_diff_hex; 26 CeedOperator op_setup_tet, op_diff_tet, op_setup_hex, op_diff_hex, op_setup, op_diff; 27 CeedVector q_data_tet, q_data_hex, X, U, V; 28 const CeedScalar *hv; 29 CeedInt num_elem_tet = 6, P_tet = 6, Q_tet = 4, num_elem_hex = 6, P_hex = 3, Q_hex = 4, dim = 2; 30 CeedInt n_x = 3, n_y = 3, n_x_tet = 3, n_y_tet = 1, n_x_hex = 3; 31 CeedInt row, col, offset; 32 CeedInt num_dofs = (n_x * 2 + 1) * (n_y * 2 + 1), num_qpts_tet = num_elem_tet * Q_tet, num_qpts_hex = num_elem_hex * Q_hex * Q_hex; 33 CeedInt ind_x_tet[num_elem_tet * P_tet], ind_x_hex[num_elem_hex * P_hex * P_hex]; 34 CeedScalar x[dim * num_dofs]; 35 CeedScalar q_ref[dim * Q_tet], q_weight[Q_tet]; 36 CeedScalar interp[P_tet * Q_tet], grad[dim * P_tet * Q_tet]; 37 38 CeedInit(argv[1], &ceed); 39 40 // DoF Coordinates 41 for (CeedInt i = 0; i < n_y * 2 + 1; i++) { 42 for (CeedInt j = 0; j < n_x * 2 + 1; j++) { 43 x[i + j * (n_y * 2 + 1) + 0 * num_dofs] = (CeedScalar)i / (2 * n_y); 44 x[i + j * (n_y * 2 + 1) + 1 * num_dofs] = (CeedScalar)j / (2 * n_x); 45 } 46 } 47 CeedVectorCreate(ceed, dim * num_dofs, &X); 48 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 49 50 // Qdata Vectors 51 CeedVectorCreate(ceed, num_qpts_tet * dim * (dim + 1) / 2, &q_data_tet); 52 CeedVectorCreate(ceed, num_qpts_hex * dim * (dim + 1) / 2, &q_data_hex); 53 54 // Tet Elements 55 for (CeedInt i = 0; i < num_elem_tet / 2; i++) { 56 col = i % n_x_tet; 57 row = i / n_x_tet; 58 offset = col * 2 + row * (n_x_tet * 2 + 1) * 2; 59 60 ind_x_tet[i * 2 * P_tet + 0] = 2 + offset; 61 ind_x_tet[i * 2 * P_tet + 1] = 9 + offset; 62 ind_x_tet[i * 2 * P_tet + 2] = 16 + offset; 63 ind_x_tet[i * 2 * P_tet + 3] = 1 + offset; 64 ind_x_tet[i * 2 * P_tet + 4] = 8 + offset; 65 ind_x_tet[i * 2 * P_tet + 5] = 0 + offset; 66 67 ind_x_tet[i * 2 * P_tet + 6] = 14 + offset; 68 ind_x_tet[i * 2 * P_tet + 7] = 7 + offset; 69 ind_x_tet[i * 2 * P_tet + 8] = 0 + offset; 70 ind_x_tet[i * 2 * P_tet + 9] = 15 + offset; 71 ind_x_tet[i * 2 * P_tet + 10] = 8 + offset; 72 ind_x_tet[i * 2 * P_tet + 11] = 16 + offset; 73 } 74 75 // -- Restrictions 76 CeedElemRestrictionCreate(ceed, num_elem_tet, P_tet, dim, num_dofs, dim * num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x_tet, &elem_restr_x_tet); 77 78 CeedElemRestrictionCreate(ceed, num_elem_tet, P_tet, 1, 1, num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x_tet, &elem_restr_u_tet); 79 CeedInt strides_qd_tet[3] = {1, Q_tet, Q_tet * dim * (dim + 1) / 2}; 80 CeedElemRestrictionCreateStrided(ceed, num_elem_tet, Q_tet, dim * (dim + 1) / 2, dim * (dim + 1) / 2 * num_qpts_tet, strides_qd_tet, 81 &elem_restr_qd_i_tet); 82 83 // -- Bases 84 buildmats(q_ref, q_weight, interp, grad); 85 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, dim, P_tet, Q_tet, interp, grad, q_ref, q_weight, &basis_x_tet); 86 87 buildmats(q_ref, q_weight, interp, grad); 88 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, 1, P_tet, Q_tet, interp, grad, q_ref, q_weight, &basis_u_tet); 89 90 // -- QFunctions 91 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup_tet); 92 CeedQFunctionAddInput(qf_setup_tet, "weight", 1, CEED_EVAL_WEIGHT); 93 CeedQFunctionAddInput(qf_setup_tet, "dx", dim * dim, CEED_EVAL_GRAD); 94 CeedQFunctionAddOutput(qf_setup_tet, "rho", dim * (dim + 1) / 2, CEED_EVAL_NONE); 95 96 CeedQFunctionCreateInterior(ceed, 1, diff, diff_loc, &qf_diff_tet); 97 CeedQFunctionAddInput(qf_diff_tet, "rho", dim * (dim + 1) / 2, CEED_EVAL_NONE); 98 CeedQFunctionAddInput(qf_diff_tet, "u", dim, CEED_EVAL_GRAD); 99 CeedQFunctionAddOutput(qf_diff_tet, "v", dim, CEED_EVAL_GRAD); 100 101 // -- Operators 102 // ---- Setup Tet 103 CeedOperatorCreate(ceed, qf_setup_tet, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup_tet); 104 CeedOperatorSetField(op_setup_tet, "weight", CEED_ELEMRESTRICTION_NONE, basis_x_tet, CEED_VECTOR_NONE); 105 CeedOperatorSetField(op_setup_tet, "dx", elem_restr_x_tet, basis_x_tet, CEED_VECTOR_ACTIVE); 106 CeedOperatorSetField(op_setup_tet, "rho", elem_restr_qd_i_tet, CEED_BASIS_COLLOCATED, q_data_tet); 107 // ---- diff Tet 108 CeedOperatorCreate(ceed, qf_diff_tet, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_diff_tet); 109 CeedOperatorSetField(op_diff_tet, "rho", elem_restr_qd_i_tet, CEED_BASIS_COLLOCATED, q_data_tet); 110 CeedOperatorSetField(op_diff_tet, "u", elem_restr_u_tet, basis_u_tet, CEED_VECTOR_ACTIVE); 111 CeedOperatorSetField(op_diff_tet, "v", elem_restr_u_tet, basis_u_tet, CEED_VECTOR_ACTIVE); 112 113 // Hex Elements 114 for (CeedInt i = 0; i < num_elem_hex; i++) { 115 col = i % n_x_hex; 116 row = i / n_x_hex; 117 offset = (n_x_tet * 2 + 1) * (n_y_tet * 2) * (1 + row) + col * 2; 118 for (CeedInt j = 0; j < P_hex; j++) { 119 for (CeedInt k = 0; k < P_hex; k++) ind_x_hex[P_hex * (P_hex * i + k) + j] = offset + k * (n_x_hex * 2 + 1) + j; 120 } 121 } 122 123 // -- Restrictions 124 CeedElemRestrictionCreate(ceed, num_elem_hex, P_hex * P_hex, dim, num_dofs, dim * num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x_hex, 125 &elem_restr_x_hex); 126 127 CeedElemRestrictionCreate(ceed, num_elem_hex, P_hex * P_hex, 1, 1, num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x_hex, &elem_restr_u_hex); 128 CeedInt strides_qd_hex[3] = {1, Q_hex * Q_hex, Q_hex * Q_hex * dim * (dim + 1) / 2}; 129 CeedElemRestrictionCreateStrided(ceed, num_elem_hex, Q_hex * Q_hex, dim * (dim + 1) / 2, dim * (dim + 1) / 2 * num_qpts_hex, strides_qd_hex, 130 &elem_restr_qd_i_hex); 131 132 // -- Bases 133 CeedBasisCreateTensorH1Lagrange(ceed, dim, dim, P_hex, Q_hex, CEED_GAUSS, &basis_x_hex); 134 CeedBasisCreateTensorH1Lagrange(ceed, dim, 1, P_hex, Q_hex, CEED_GAUSS, &basis_u_hex); 135 136 // -- QFunctions 137 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup_hex); 138 CeedQFunctionAddInput(qf_setup_hex, "_weight", 1, CEED_EVAL_WEIGHT); 139 CeedQFunctionAddInput(qf_setup_hex, "dx", dim * dim, CEED_EVAL_GRAD); 140 CeedQFunctionAddOutput(qf_setup_hex, "rho", dim * (dim + 1) / 2, CEED_EVAL_NONE); 141 142 CeedQFunctionCreateInterior(ceed, 1, diff, diff_loc, &qf_diff_hex); 143 CeedQFunctionAddInput(qf_diff_hex, "rho", dim * (dim + 1) / 2, CEED_EVAL_NONE); 144 CeedQFunctionAddInput(qf_diff_hex, "u", dim, CEED_EVAL_GRAD); 145 CeedQFunctionAddOutput(qf_diff_hex, "v", dim, CEED_EVAL_GRAD); 146 147 // -- Operators 148 CeedOperatorCreate(ceed, qf_setup_hex, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup_hex); 149 CeedOperatorSetField(op_setup_hex, "_weight", CEED_ELEMRESTRICTION_NONE, basis_x_hex, CEED_VECTOR_NONE); 150 CeedOperatorSetField(op_setup_hex, "dx", elem_restr_x_hex, basis_x_hex, CEED_VECTOR_ACTIVE); 151 CeedOperatorSetField(op_setup_hex, "rho", elem_restr_qd_i_hex, CEED_BASIS_COLLOCATED, q_data_hex); 152 153 CeedOperatorCreate(ceed, qf_diff_hex, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_diff_hex); 154 CeedOperatorSetField(op_diff_hex, "rho", elem_restr_qd_i_hex, CEED_BASIS_COLLOCATED, q_data_hex); 155 CeedOperatorSetField(op_diff_hex, "u", elem_restr_u_hex, basis_u_hex, CEED_VECTOR_ACTIVE); 156 CeedOperatorSetField(op_diff_hex, "v", elem_restr_u_hex, basis_u_hex, CEED_VECTOR_ACTIVE); 157 158 // Composite Operators 159 CeedCompositeOperatorCreate(ceed, &op_setup); 160 CeedCompositeOperatorAddSub(op_setup, op_setup_tet); 161 CeedCompositeOperatorAddSub(op_setup, op_setup_hex); 162 163 CeedCompositeOperatorCreate(ceed, &op_diff); 164 CeedCompositeOperatorAddSub(op_diff, op_diff_tet); 165 CeedCompositeOperatorAddSub(op_diff, op_diff_hex); 166 167 // Apply Setup Operator 168 CeedOperatorApply(op_setup, X, CEED_VECTOR_NONE, CEED_REQUEST_IMMEDIATE); 169 170 // Apply diff Operator 171 CeedVectorCreate(ceed, num_dofs, &U); 172 CeedVectorSetValue(U, 1.0); 173 CeedVectorCreate(ceed, num_dofs, &V); 174 175 CeedOperatorApply(op_diff, U, V, CEED_REQUEST_IMMEDIATE); 176 177 // Check output 178 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 179 for (CeedInt i = 0; i < num_dofs; i++) { 180 if (fabs(hv[i]) > 100. * CEED_EPSILON) printf("Computed: %f != True: 0.0\n", hv[i]); 181 } 182 CeedVectorRestoreArrayRead(V, &hv); 183 184 // Cleanup 185 CeedQFunctionDestroy(&qf_setup_tet); 186 CeedQFunctionDestroy(&qf_diff_tet); 187 CeedOperatorDestroy(&op_setup_tet); 188 CeedOperatorDestroy(&op_diff_tet); 189 CeedQFunctionDestroy(&qf_setup_hex); 190 CeedQFunctionDestroy(&qf_diff_hex); 191 CeedOperatorDestroy(&op_setup_hex); 192 CeedOperatorDestroy(&op_diff_hex); 193 CeedOperatorDestroy(&op_setup); 194 CeedOperatorDestroy(&op_diff); 195 CeedElemRestrictionDestroy(&elem_restr_u_tet); 196 CeedElemRestrictionDestroy(&elem_restr_x_tet); 197 CeedElemRestrictionDestroy(&elem_restr_qd_i_tet); 198 CeedElemRestrictionDestroy(&elem_restr_u_hex); 199 CeedElemRestrictionDestroy(&elem_restr_x_hex); 200 CeedElemRestrictionDestroy(&elem_restr_qd_i_hex); 201 CeedBasisDestroy(&basis_u_tet); 202 CeedBasisDestroy(&basis_x_tet); 203 CeedBasisDestroy(&basis_u_hex); 204 CeedBasisDestroy(&basis_x_hex); 205 CeedVectorDestroy(&X); 206 CeedVectorDestroy(&U); 207 CeedVectorDestroy(&V); 208 CeedVectorDestroy(&q_data_tet); 209 CeedVectorDestroy(&q_data_hex); 210 CeedDestroy(&ceed); 211 return 0; 212 } 213