1 /// @file 2 /// Test creation, action, and destruction for mass matrix operator with multigrid level, non-tensor basis and interpolation basis generation 3 /// \test Test creation, action, and destruction for mass matrix operator with multigrid level, non-tensor basis and interpolation basis generation 4 #include <ceed.h> 5 #include <math.h> 6 #include <stdlib.h> 7 8 #include "t502-operator.h" 9 10 int main(int argc, char **argv) { 11 Ceed ceed; 12 CeedElemRestriction elem_restr_x, elem_restr_qd_i, elem_restr_u_c, elem_restr_u_f; 13 CeedBasis basis_x, basis_temp, basis_c, basis_f; 14 CeedQFunction qf_setup, qf_mass; 15 CeedOperator op_setup, op_mass_c, op_mass_f, op_prolong, op_restrict; 16 CeedVector q_data, X, U_c, U_f, V_c, V_f, p_mult_fine; 17 const CeedScalar *hv; 18 CeedInt num_elem = 15, P_c = 3, P_f = 5, Q = 8, num_comp = 2; 19 CeedInt num_dofs_x = num_elem + 1, num_dofs_u_c = num_elem * (P_c - 1) + 1, num_dofs_u_f = num_elem * (P_f - 1) + 1; 20 CeedInt ind_u_c[num_elem * P_c], ind_u_f[num_elem * P_f], ind_x[num_elem * 2]; 21 CeedScalar x[num_dofs_x]; 22 CeedScalar sum; 23 24 CeedInit(argv[1], &ceed); 25 26 for (CeedInt i = 0; i < num_dofs_x; i++) x[i] = (CeedScalar)i / (num_dofs_x - 1); 27 for (CeedInt i = 0; i < num_elem; i++) { 28 ind_x[2 * i + 0] = i; 29 ind_x[2 * i + 1] = i + 1; 30 } 31 // Restrictions 32 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, num_dofs_x, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, &elem_restr_x); 33 34 for (CeedInt i = 0; i < num_elem; i++) { 35 for (CeedInt j = 0; j < P_c; j++) { 36 ind_u_c[P_c * i + j] = i * (P_c - 1) + j; 37 } 38 } 39 CeedElemRestrictionCreate(ceed, num_elem, P_c, num_comp, num_dofs_u_c, num_comp * num_dofs_u_c, CEED_MEM_HOST, CEED_USE_POINTER, ind_u_c, 40 &elem_restr_u_c); 41 42 for (CeedInt i = 0; i < num_elem; i++) { 43 for (CeedInt j = 0; j < P_f; j++) { 44 ind_u_f[P_f * i + j] = i * (P_f - 1) + j; 45 } 46 } 47 CeedElemRestrictionCreate(ceed, num_elem, P_f, num_comp, num_dofs_u_f, num_comp * num_dofs_u_f, CEED_MEM_HOST, CEED_USE_POINTER, ind_u_f, 48 &elem_restr_u_f); 49 50 CeedInt strides_qd[3] = {1, Q, Q}; 51 CeedElemRestrictionCreateStrided(ceed, num_elem, Q, 1, Q * num_elem, strides_qd, &elem_restr_qd_i); 52 53 // Bases 54 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &basis_x); 55 CeedBasisCreateTensorH1Lagrange(ceed, 1, num_comp, P_c, Q, CEED_GAUSS, &basis_temp); 56 const CeedScalar *interp, *grad, *q_ref, *q_weight; 57 CeedBasisGetInterp1D(basis_temp, &interp); 58 CeedBasisGetGrad1D(basis_temp, &grad); 59 CeedBasisGetQRef(basis_temp, &q_ref); 60 CeedBasisGetQWeights(basis_temp, &q_weight); 61 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_LINE, num_comp, P_c, Q, interp, grad, q_ref, q_weight, &basis_c); 62 CeedBasisDestroy(&basis_temp); 63 CeedBasisCreateTensorH1Lagrange(ceed, 1, num_comp, P_f, Q, CEED_GAUSS, &basis_temp); 64 CeedBasisGetInterp1D(basis_temp, &interp); 65 CeedBasisGetGrad1D(basis_temp, &grad); 66 CeedBasisGetQRef(basis_temp, &q_ref); 67 CeedBasisGetQWeights(basis_temp, &q_weight); 68 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_LINE, num_comp, P_f, Q, interp, grad, q_ref, q_weight, &basis_f); 69 CeedBasisDestroy(&basis_temp); 70 71 // QFunctions 72 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 73 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT); 74 CeedQFunctionAddInput(qf_setup, "dx", 1 * 1, CEED_EVAL_GRAD); 75 CeedQFunctionAddOutput(qf_setup, "qdata", 1, CEED_EVAL_NONE); 76 77 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 78 CeedQFunctionAddInput(qf_mass, "qdata", 1, CEED_EVAL_NONE); 79 CeedQFunctionAddInput(qf_mass, "u", num_comp, CEED_EVAL_INTERP); 80 CeedQFunctionAddOutput(qf_mass, "v", num_comp, CEED_EVAL_INTERP); 81 82 // Operators 83 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup); 84 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass_f); 85 86 CeedVectorCreate(ceed, num_dofs_x, &X); 87 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 88 CeedVectorCreate(ceed, num_elem * Q, &q_data); 89 90 CeedOperatorSetField(op_setup, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, CEED_VECTOR_NONE); 91 CeedOperatorSetField(op_setup, "dx", elem_restr_x, basis_x, CEED_VECTOR_ACTIVE); 92 CeedOperatorSetField(op_setup, "qdata", elem_restr_qd_i, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 93 94 CeedOperatorSetField(op_mass_f, "qdata", elem_restr_qd_i, CEED_BASIS_COLLOCATED, q_data); 95 CeedOperatorSetField(op_mass_f, "u", elem_restr_u_f, basis_f, CEED_VECTOR_ACTIVE); 96 CeedOperatorSetField(op_mass_f, "v", elem_restr_u_f, basis_f, CEED_VECTOR_ACTIVE); 97 98 CeedOperatorApply(op_setup, X, q_data, CEED_REQUEST_IMMEDIATE); 99 100 // Create multigrid level 101 CeedVectorCreate(ceed, num_comp * num_dofs_u_f, &p_mult_fine); 102 CeedVectorSetValue(p_mult_fine, 1.0); 103 CeedOperatorMultigridLevelCreate(op_mass_f, p_mult_fine, elem_restr_u_c, basis_c, &op_mass_c, &op_prolong, &op_restrict); 104 105 // Coarse problem 106 CeedVectorCreate(ceed, num_comp * num_dofs_u_c, &U_c); 107 CeedVectorSetValue(U_c, 1.0); 108 CeedVectorCreate(ceed, num_comp * num_dofs_u_c, &V_c); 109 CeedOperatorApply(op_mass_c, U_c, V_c, CEED_REQUEST_IMMEDIATE); 110 111 // Check output 112 CeedVectorGetArrayRead(V_c, CEED_MEM_HOST, &hv); 113 sum = 0.; 114 for (CeedInt i = 0; i < num_comp * num_dofs_u_c; i++) { 115 sum += hv[i]; 116 } 117 if (fabs(sum - 2.) > 1000. * CEED_EPSILON) printf("Computed Area Coarse Grid: %f != True Area: 2.0\n", sum); 118 CeedVectorRestoreArrayRead(V_c, &hv); 119 120 // Prolong coarse u 121 CeedVectorCreate(ceed, num_comp * num_dofs_u_f, &U_f); 122 CeedOperatorApply(op_prolong, U_c, U_f, CEED_REQUEST_IMMEDIATE); 123 124 // Fine problem 125 CeedVectorCreate(ceed, num_comp * num_dofs_u_f, &V_f); 126 CeedOperatorApply(op_mass_f, U_f, V_f, CEED_REQUEST_IMMEDIATE); 127 128 // Check output 129 CeedVectorGetArrayRead(V_f, CEED_MEM_HOST, &hv); 130 sum = 0.; 131 for (CeedInt i = 0; i < num_comp * num_dofs_u_f; i++) { 132 sum += hv[i]; 133 } 134 if (fabs(sum - 2.) > 1000. * CEED_EPSILON) printf("Computed Area Fine Grid: %f != True Area: 2.0\n", sum); 135 CeedVectorRestoreArrayRead(V_f, &hv); 136 137 // Restrict state to coarse grid 138 CeedOperatorApply(op_restrict, V_f, V_c, CEED_REQUEST_IMMEDIATE); 139 140 // Check output 141 CeedVectorGetArrayRead(V_c, CEED_MEM_HOST, &hv); 142 sum = 0.; 143 for (CeedInt i = 0; i < num_comp * num_dofs_u_c; i++) { 144 sum += hv[i]; 145 } 146 if (fabs(sum - 2.) > 1000. * CEED_EPSILON) printf("Computed Area Coarse Grid: %f != True Area: 2.0\n", sum); 147 CeedVectorRestoreArrayRead(V_c, &hv); 148 149 // Cleanup 150 CeedQFunctionDestroy(&qf_setup); 151 CeedQFunctionDestroy(&qf_mass); 152 CeedOperatorDestroy(&op_setup); 153 CeedOperatorDestroy(&op_mass_c); 154 CeedOperatorDestroy(&op_mass_f); 155 CeedOperatorDestroy(&op_prolong); 156 CeedOperatorDestroy(&op_restrict); 157 CeedElemRestrictionDestroy(&elem_restr_u_c); 158 CeedElemRestrictionDestroy(&elem_restr_u_f); 159 CeedElemRestrictionDestroy(&elem_restr_x); 160 CeedElemRestrictionDestroy(&elem_restr_qd_i); 161 CeedBasisDestroy(&basis_c); 162 CeedBasisDestroy(&basis_f); 163 CeedBasisDestroy(&basis_x); 164 CeedVectorDestroy(&X); 165 CeedVectorDestroy(&U_c); 166 CeedVectorDestroy(&U_f); 167 CeedVectorDestroy(&V_c); 168 CeedVectorDestroy(&V_f); 169 CeedVectorDestroy(&p_mult_fine); 170 CeedVectorDestroy(&q_data); 171 CeedDestroy(&ceed); 172 return 0; 173 } 174