1 /// @file 2 /// Test creation, action, and destruction for mass matrix operator with multigrid level, tensor basis 3 /// \test Test creation, action, and destruction for mass matrix operator with multigrid level, tensor basis 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, elem_restr_u_c, elem_restr_c_f; 13 CeedBasis basis_x, basis_u; 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_f; 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_c_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); 52 53 // Bases 54 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &basis_x); 55 CeedBasisCreateTensorH1Lagrange(ceed, 1, num_comp, P_f, Q, CEED_GAUSS, &basis_u); 56 57 // QFunctions 58 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 59 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT); 60 CeedQFunctionAddInput(qf_setup, "dx", 1 * 1, CEED_EVAL_GRAD); 61 CeedQFunctionAddOutput(qf_setup, "qdata", 1, CEED_EVAL_NONE); 62 63 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 64 CeedQFunctionAddInput(qf_mass, "qdata", 1, CEED_EVAL_NONE); 65 CeedQFunctionAddInput(qf_mass, "u", num_comp, CEED_EVAL_INTERP); 66 CeedQFunctionAddOutput(qf_mass, "v", num_comp, CEED_EVAL_INTERP); 67 68 // Operators 69 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup); 70 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass_f); 71 72 CeedVectorCreate(ceed, num_dofs_x, &X); 73 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 74 CeedVectorCreate(ceed, num_elem * Q, &q_data); 75 76 CeedOperatorSetField(op_setup, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, CEED_VECTOR_NONE); 77 CeedOperatorSetField(op_setup, "dx", elem_restr_x, basis_x, CEED_VECTOR_ACTIVE); 78 CeedOperatorSetField(op_setup, "qdata", elem_restr_qd, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 79 80 CeedOperatorSetField(op_mass_f, "qdata", elem_restr_qd, CEED_BASIS_COLLOCATED, q_data); 81 CeedOperatorSetField(op_mass_f, "u", elem_restr_c_f, basis_u, CEED_VECTOR_ACTIVE); 82 CeedOperatorSetField(op_mass_f, "v", elem_restr_c_f, basis_u, CEED_VECTOR_ACTIVE); 83 84 CeedOperatorApply(op_setup, X, q_data, CEED_REQUEST_IMMEDIATE); 85 86 // Create multigrid level 87 CeedVectorCreate(ceed, num_comp * num_dofs_u_f, &p_mult_f); 88 CeedVectorSetValue(p_mult_f, 1.0); 89 CeedBasis basis_u_c, basis_c_to_f; 90 CeedBasisCreateTensorH1Lagrange(ceed, 1, num_comp, P_c, Q, CEED_GAUSS, &basis_u_c); 91 CeedBasisCreateTensorH1Lagrange(ceed, 1, num_comp, P_c, P_f, CEED_GAUSS_LOBATTO, &basis_c_to_f); 92 const CeedScalar *interp_c_to_f; 93 CeedBasisGetInterp1D(basis_c_to_f, &interp_c_to_f); 94 CeedOperatorMultigridLevelCreateTensorH1(op_mass_f, p_mult_f, elem_restr_u_c, basis_u_c, interp_c_to_f, &op_mass_c, &op_prolong, &op_restrict); 95 96 // Coarse problem 97 CeedVectorCreate(ceed, num_comp * num_dofs_u_c, &U_c); 98 CeedVectorSetValue(U_c, 1.0); 99 CeedVectorCreate(ceed, num_comp * num_dofs_u_c, &V_c); 100 CeedOperatorApply(op_mass_c, U_c, V_c, CEED_REQUEST_IMMEDIATE); 101 102 // Check output 103 CeedVectorGetArrayRead(V_c, CEED_MEM_HOST, &hv); 104 sum = 0.; 105 for (CeedInt i = 0; i < num_comp * num_dofs_u_c; i++) { 106 sum += hv[i]; 107 } 108 if (fabs(sum - 2.) > 1000. * CEED_EPSILON) printf("Computed Area Coarse Grid: %f != True Area: 2.0\n", sum); 109 CeedVectorRestoreArrayRead(V_c, &hv); 110 111 // Prolong coarse u 112 CeedVectorCreate(ceed, num_comp * num_dofs_u_f, &U_f); 113 CeedOperatorApply(op_prolong, U_c, U_f, CEED_REQUEST_IMMEDIATE); 114 115 // Fine problem 116 CeedVectorCreate(ceed, num_comp * num_dofs_u_f, &V_f); 117 CeedOperatorApply(op_mass_f, U_f, V_f, CEED_REQUEST_IMMEDIATE); 118 119 // Check output 120 CeedVectorGetArrayRead(V_f, CEED_MEM_HOST, &hv); 121 sum = 0.; 122 for (CeedInt i = 0; i < num_comp * num_dofs_u_f; i++) { 123 sum += hv[i]; 124 } 125 if (fabs(sum - 2.) > 1000. * CEED_EPSILON) printf("Computed Area Fine Grid: %f != True Area: 2.0\n", sum); 126 CeedVectorRestoreArrayRead(V_f, &hv); 127 128 // Restrict state to coarse grid 129 CeedOperatorApply(op_restrict, V_f, V_c, CEED_REQUEST_IMMEDIATE); 130 131 // Check output 132 CeedVectorGetArrayRead(V_c, CEED_MEM_HOST, &hv); 133 sum = 0.; 134 for (CeedInt i = 0; i < num_comp * num_dofs_u_c; i++) { 135 sum += hv[i]; 136 } 137 if (fabs(sum - 2.) > 1000. * CEED_EPSILON) printf("Computed Area Coarse Grid: %f != True Area: 2.0\n", sum); 138 CeedVectorRestoreArrayRead(V_c, &hv); 139 140 // Cleanup 141 CeedQFunctionDestroy(&qf_setup); 142 CeedQFunctionDestroy(&qf_mass); 143 CeedOperatorDestroy(&op_setup); 144 CeedOperatorDestroy(&op_mass_c); 145 CeedOperatorDestroy(&op_mass_f); 146 CeedOperatorDestroy(&op_prolong); 147 CeedOperatorDestroy(&op_restrict); 148 CeedElemRestrictionDestroy(&elem_restr_u_c); 149 CeedElemRestrictionDestroy(&elem_restr_c_f); 150 CeedElemRestrictionDestroy(&elem_restr_x); 151 CeedElemRestrictionDestroy(&elem_restr_qd); 152 CeedBasisDestroy(&basis_u); 153 CeedBasisDestroy(&basis_x); 154 CeedVectorDestroy(&X); 155 CeedVectorDestroy(&U_c); 156 CeedVectorDestroy(&U_f); 157 CeedVectorDestroy(&V_c); 158 CeedVectorDestroy(&V_f); 159 CeedVectorDestroy(&p_mult_f); 160 CeedVectorDestroy(&q_data); 161 CeedDestroy(&ceed); 162 return 0; 163 } 164