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 <ceed.h> 5 #include <stdlib.h> 6 #include <math.h> 7 #include "t320-basis.h" 8 #include "t522-operator.h" 9 10 /* The mesh comprises of two rows of 3 quadralaterals followed by one row 11 of 6 triangles: 12 _ _ _ 13 |_|_|_| 14 |_|_|_| 15 |/|/|/| 16 17 */ 18 19 int main(int argc, char **argv) { 20 Ceed ceed; 21 CeedElemRestriction elem_restr_x_tet, elem_restr_u_tet, 22 elem_restr_qd_i_tet, 23 elem_restr_x_hex, elem_restr_u_hex, 24 elem_restr_qd_i_hex; 25 CeedBasis basis_x_tet, basis_u_tet, 26 basis_x_hex, basis_u_hex; 27 CeedQFunction qf_setup_tet, qf_diff_tet, 28 qf_setup_hex, qf_diff_hex; 29 CeedOperator op_setup_tet, op_diff_tet, 30 op_setup_hex, op_diff_hex, 31 op_setup, op_diff; 32 CeedVector q_data_tet, q_data_hex, X, U, V; 33 const CeedScalar *hv; 34 CeedInt num_elem_tet = 6, P_tet = 6, Q_tet = 4, 35 num_elem_hex = 6, P_hex = 3, Q_hex = 4, dim = 2; 36 CeedInt n_x = 3, n_y = 3, 37 n_x_tet = 3, n_y_tet = 1, n_x_hex = 3; 38 CeedInt row, col, offset; 39 CeedInt num_dofs = (n_x*2+1)*(n_y*2+1), 40 num_qpts_tet = num_elem_tet*Q_tet, 41 num_qpts_hex = num_elem_hex*Q_hex*Q_hex; 42 CeedInt ind_x_tet[num_elem_tet*P_tet], 43 ind_x_hex[num_elem_hex*P_hex*P_hex]; 44 CeedScalar x[dim*num_dofs]; 45 CeedScalar q_ref[dim*Q_tet], q_weight[Q_tet]; 46 CeedScalar interp[P_tet*Q_tet], grad[dim*P_tet*Q_tet]; 47 48 CeedInit(argv[1], &ceed); 49 50 // DoF Coordinates 51 for (CeedInt i=0; i<n_y*2+1; i++) 52 for (CeedInt j=0; j<n_x*2+1; j++) { 53 x[i+j*(n_y*2+1)+0*num_dofs] = (CeedScalar) i / (2*n_y); 54 x[i+j*(n_y*2+1)+1*num_dofs] = (CeedScalar) j / (2*n_x); 55 } 56 CeedVectorCreate(ceed, dim*num_dofs, &X); 57 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 58 59 // Qdata Vectors 60 CeedVectorCreate(ceed, num_qpts_tet*dim*(dim+1)/2, &q_data_tet); 61 CeedVectorCreate(ceed, num_qpts_hex*dim*(dim+1)/2, &q_data_hex); 62 63 // Tet Elements 64 for (CeedInt i=0; i<num_elem_tet/2; i++) { 65 col = i % n_x_tet; 66 row = i / n_x_tet; 67 offset = col*2 + row*(n_x_tet*2+1)*2; 68 69 ind_x_tet[i*2*P_tet + 0] = 2 + offset; 70 ind_x_tet[i*2*P_tet + 1] = 9 + offset; 71 ind_x_tet[i*2*P_tet + 2] = 16 + offset; 72 ind_x_tet[i*2*P_tet + 3] = 1 + offset; 73 ind_x_tet[i*2*P_tet + 4] = 8 + offset; 74 ind_x_tet[i*2*P_tet + 5] = 0 + offset; 75 76 ind_x_tet[i*2*P_tet + 6] = 14 + offset; 77 ind_x_tet[i*2*P_tet + 7] = 7 + offset; 78 ind_x_tet[i*2*P_tet + 8] = 0 + offset; 79 ind_x_tet[i*2*P_tet + 9] = 15 + offset; 80 ind_x_tet[i*2*P_tet + 10] = 8 + offset; 81 ind_x_tet[i*2*P_tet + 11] = 16 + offset; 82 } 83 84 // -- Restrictions 85 CeedElemRestrictionCreate(ceed, num_elem_tet, P_tet, dim, num_dofs, 86 dim*num_dofs, 87 CEED_MEM_HOST, CEED_USE_POINTER, ind_x_tet, 88 &elem_restr_x_tet); 89 90 CeedElemRestrictionCreate(ceed, num_elem_tet, P_tet, 1, 1, num_dofs, 91 CEED_MEM_HOST, CEED_USE_POINTER, ind_x_tet, 92 &elem_restr_u_tet); 93 CeedInt strides_qd_tet[3] = {1, Q_tet, Q_tet *dim *(dim+1)/2}; 94 CeedElemRestrictionCreateStrided(ceed, num_elem_tet, Q_tet, dim*(dim+1)/2, 95 dim*(dim+1)/2*num_qpts_tet, strides_qd_tet, 96 &elem_restr_qd_i_tet); 97 98 // -- Bases 99 buildmats(q_ref, q_weight, interp, grad); 100 CeedBasisCreateH1(ceed, CEED_TRIANGLE, dim, P_tet, Q_tet, interp, grad, q_ref, 101 q_weight, &basis_x_tet); 102 103 buildmats(q_ref, q_weight, interp, grad); 104 CeedBasisCreateH1(ceed, CEED_TRIANGLE, 1, P_tet, Q_tet, interp, grad, q_ref, 105 q_weight, &basis_u_tet); 106 107 // -- QFunctions 108 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup_tet); 109 CeedQFunctionAddInput(qf_setup_tet, "_weight", 1, CEED_EVAL_WEIGHT); 110 CeedQFunctionAddInput(qf_setup_tet, "dx", dim*dim, CEED_EVAL_GRAD); 111 CeedQFunctionAddOutput(qf_setup_tet, "rho", dim*(dim+1)/2, CEED_EVAL_NONE); 112 113 CeedQFunctionCreateInterior(ceed, 1, diff, diff_loc, &qf_diff_tet); 114 CeedQFunctionAddInput(qf_diff_tet, "rho", dim*(dim+1)/2, CEED_EVAL_NONE); 115 CeedQFunctionAddInput(qf_diff_tet, "u", dim, CEED_EVAL_GRAD); 116 CeedQFunctionAddOutput(qf_diff_tet, "v", dim, CEED_EVAL_GRAD); 117 118 // -- Operators 119 // ---- Setup Tet 120 CeedOperatorCreate(ceed, qf_setup_tet, CEED_QFUNCTION_NONE, 121 CEED_QFUNCTION_NONE, &op_setup_tet); 122 CeedOperatorSetField(op_setup_tet, "_weight", CEED_ELEMRESTRICTION_NONE, 123 basis_x_tet, 124 CEED_VECTOR_NONE); 125 CeedOperatorSetField(op_setup_tet, "dx", elem_restr_x_tet, basis_x_tet, 126 CEED_VECTOR_ACTIVE); 127 CeedOperatorSetField(op_setup_tet, "rho", elem_restr_qd_i_tet, 128 CEED_BASIS_COLLOCATED, q_data_tet); 129 // ---- diff Tet 130 CeedOperatorCreate(ceed, qf_diff_tet, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 131 &op_diff_tet); 132 CeedOperatorSetField(op_diff_tet, "rho", elem_restr_qd_i_tet, 133 CEED_BASIS_COLLOCATED, q_data_tet); 134 CeedOperatorSetField(op_diff_tet, "u", elem_restr_u_tet, basis_u_tet, 135 CEED_VECTOR_ACTIVE); 136 CeedOperatorSetField(op_diff_tet, "v", elem_restr_u_tet, basis_u_tet, 137 CEED_VECTOR_ACTIVE); 138 139 // Hex Elements 140 for (CeedInt i=0; i<num_elem_hex; i++) { 141 col = i % n_x_hex; 142 row = i / n_x_hex; 143 offset = (n_x_tet*2+1)*(n_y_tet*2)*(1+row) + col*2; 144 for (CeedInt j=0; j<P_hex; j++) 145 for (CeedInt k=0; k<P_hex; k++) 146 ind_x_hex[P_hex*(P_hex*i+k)+j] = offset + k*(n_x_hex*2+1) + j; 147 } 148 149 // -- Restrictions 150 CeedElemRestrictionCreate(ceed, num_elem_hex, P_hex*P_hex, dim, num_dofs, 151 dim*num_dofs, 152 CEED_MEM_HOST, CEED_USE_POINTER, ind_x_hex, 153 &elem_restr_x_hex); 154 155 CeedElemRestrictionCreate(ceed, num_elem_hex, P_hex*P_hex, 1, 1, num_dofs, 156 CEED_MEM_HOST, CEED_USE_POINTER, ind_x_hex, 157 &elem_restr_u_hex); 158 CeedInt strides_qd_hex[3] = {1, Q_hex*Q_hex, Q_hex *Q_hex *dim *(dim+1)/2}; 159 CeedElemRestrictionCreateStrided(ceed, num_elem_hex, Q_hex*Q_hex, dim*(dim+1)/2, 160 dim*(dim+1)/2*num_qpts_hex, strides_qd_hex, 161 &elem_restr_qd_i_hex); 162 163 // -- Bases 164 CeedBasisCreateTensorH1Lagrange(ceed, dim, dim, P_hex, Q_hex, CEED_GAUSS, 165 &basis_x_hex); 166 CeedBasisCreateTensorH1Lagrange(ceed, dim, 1, P_hex, Q_hex, CEED_GAUSS, 167 &basis_u_hex); 168 169 // -- QFunctions 170 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup_hex); 171 CeedQFunctionAddInput(qf_setup_hex, "_weight", 1, CEED_EVAL_WEIGHT); 172 CeedQFunctionAddInput(qf_setup_hex, "dx", dim*dim, CEED_EVAL_GRAD); 173 CeedQFunctionAddOutput(qf_setup_hex, "rho", dim*(dim+1)/2, CEED_EVAL_NONE); 174 175 CeedQFunctionCreateInterior(ceed, 1, diff, diff_loc, &qf_diff_hex); 176 CeedQFunctionAddInput(qf_diff_hex, "rho", dim*(dim+1)/2, CEED_EVAL_NONE); 177 CeedQFunctionAddInput(qf_diff_hex, "u", dim, CEED_EVAL_GRAD); 178 CeedQFunctionAddOutput(qf_diff_hex, "v", dim, CEED_EVAL_GRAD); 179 180 // -- Operators 181 CeedOperatorCreate(ceed, qf_setup_hex, CEED_QFUNCTION_NONE, 182 CEED_QFUNCTION_NONE, &op_setup_hex); 183 CeedOperatorSetField(op_setup_hex, "_weight", CEED_ELEMRESTRICTION_NONE, 184 basis_x_hex, 185 CEED_VECTOR_NONE); 186 CeedOperatorSetField(op_setup_hex, "dx", elem_restr_x_hex, basis_x_hex, 187 CEED_VECTOR_ACTIVE); 188 CeedOperatorSetField(op_setup_hex, "rho", elem_restr_qd_i_hex, 189 CEED_BASIS_COLLOCATED, q_data_hex); 190 191 CeedOperatorCreate(ceed, qf_diff_hex, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 192 &op_diff_hex); 193 CeedOperatorSetField(op_diff_hex, "rho", elem_restr_qd_i_hex, 194 CEED_BASIS_COLLOCATED, q_data_hex); 195 CeedOperatorSetField(op_diff_hex, "u", elem_restr_u_hex, basis_u_hex, 196 CEED_VECTOR_ACTIVE); 197 CeedOperatorSetField(op_diff_hex, "v", elem_restr_u_hex, basis_u_hex, 198 CEED_VECTOR_ACTIVE); 199 200 // Composite Operators 201 CeedCompositeOperatorCreate(ceed, &op_setup); 202 CeedCompositeOperatorAddSub(op_setup, op_setup_tet); 203 CeedCompositeOperatorAddSub(op_setup, op_setup_hex); 204 205 CeedCompositeOperatorCreate(ceed, &op_diff); 206 CeedCompositeOperatorAddSub(op_diff, op_diff_tet); 207 CeedCompositeOperatorAddSub(op_diff, op_diff_hex); 208 209 // Apply Setup Operator 210 CeedOperatorApply(op_setup, X, CEED_VECTOR_NONE, CEED_REQUEST_IMMEDIATE); 211 212 // Apply diff Operator 213 CeedVectorCreate(ceed, num_dofs, &U); 214 CeedVectorSetValue(U, 1.0); 215 CeedVectorCreate(ceed, num_dofs, &V); 216 217 CeedOperatorApply(op_diff, U, V, CEED_REQUEST_IMMEDIATE); 218 219 // Check output 220 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 221 for (CeedInt i=0; i<num_dofs; i++) 222 if (fabs(hv[i])>1e-14) printf("Computed: %f != True: 0.0\n", hv[i]); 223 CeedVectorRestoreArrayRead(V, &hv); 224 225 // Cleanup 226 CeedQFunctionDestroy(&qf_setup_tet); 227 CeedQFunctionDestroy(&qf_diff_tet); 228 CeedOperatorDestroy(&op_setup_tet); 229 CeedOperatorDestroy(&op_diff_tet); 230 CeedQFunctionDestroy(&qf_setup_hex); 231 CeedQFunctionDestroy(&qf_diff_hex); 232 CeedOperatorDestroy(&op_setup_hex); 233 CeedOperatorDestroy(&op_diff_hex); 234 CeedOperatorDestroy(&op_setup); 235 CeedOperatorDestroy(&op_diff); 236 CeedElemRestrictionDestroy(&elem_restr_u_tet); 237 CeedElemRestrictionDestroy(&elem_restr_x_tet); 238 CeedElemRestrictionDestroy(&elem_restr_qd_i_tet); 239 CeedElemRestrictionDestroy(&elem_restr_u_hex); 240 CeedElemRestrictionDestroy(&elem_restr_x_hex); 241 CeedElemRestrictionDestroy(&elem_restr_qd_i_hex); 242 CeedBasisDestroy(&basis_u_tet); 243 CeedBasisDestroy(&basis_x_tet); 244 CeedBasisDestroy(&basis_u_hex); 245 CeedBasisDestroy(&basis_x_hex); 246 CeedVectorDestroy(&X); 247 CeedVectorDestroy(&U); 248 CeedVectorDestroy(&V); 249 CeedVectorDestroy(&q_data_tet); 250 CeedVectorDestroy(&q_data_hex); 251 CeedDestroy(&ceed); 252 return 0; 253 } 254