1 /// @file 2 /// Test creation, action, and destruction for mass matrix operator with multiple components 3 /// \test Test creation, action, and destruction for mass matrix operator with multiple components 4 #include "t502-operator.h" 5 6 #include <ceed.h> 7 #include <math.h> 8 #include <stdlib.h> 9 10 int main(int argc, char **argv) { 11 Ceed ceed; 12 CeedElemRestriction elem_restr_x, elem_restr_u, elem_restr_qd_i; 13 CeedBasis basis_x, basis_u; 14 CeedQFunction qf_setup, qf_mass; 15 CeedOperator op_setup, op_mass; 16 CeedVector q_data, X, U, V; 17 CeedScalar *hu; 18 const CeedScalar *hv; 19 CeedInt num_elem = 15, P = 5, Q = 8; 20 CeedInt num_nodes_x = num_elem + 1, num_nodes_u = num_elem * (P - 1) + 1; 21 CeedInt ind_x[num_elem * 2], ind_u[num_elem * P]; 22 CeedScalar x[num_nodes_x]; 23 CeedScalar sum_1, sum_2; 24 25 CeedInit(argv[1], &ceed); 26 27 for (CeedInt i = 0; i < num_nodes_x; i++) x[i] = (CeedScalar)i / (num_nodes_x - 1); 28 for (CeedInt i = 0; i < num_elem; i++) { 29 ind_x[2 * i + 0] = i; 30 ind_x[2 * i + 1] = i + 1; 31 } 32 // Restrictions 33 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, num_nodes_x, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, &elem_restr_x); 34 35 for (CeedInt i = 0; i < num_elem; i++) { 36 for (CeedInt j = 0; j < P; j++) { 37 ind_u[P * i + j] = 2 * (i * (P - 1) + j); 38 } 39 } 40 CeedElemRestrictionCreate(ceed, num_elem, P, 2, 1, 2 * num_nodes_u, CEED_MEM_HOST, CEED_USE_POINTER, ind_u, &elem_restr_u); 41 CeedInt strides_qd[3] = {1, Q, Q}; 42 CeedElemRestrictionCreateStrided(ceed, num_elem, Q, 1, Q * num_elem, strides_qd, &elem_restr_qd_i); 43 44 // Bases 45 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &basis_x); 46 CeedBasisCreateTensorH1Lagrange(ceed, 1, 2, P, Q, CEED_GAUSS, &basis_u); 47 48 // QFunctions 49 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 50 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT); 51 CeedQFunctionAddInput(qf_setup, "dx", 1 * 1, CEED_EVAL_GRAD); 52 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 53 54 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 55 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 56 CeedQFunctionAddInput(qf_mass, "u", 2, CEED_EVAL_INTERP); 57 CeedQFunctionAddOutput(qf_mass, "v", 2, CEED_EVAL_INTERP); 58 59 // Operators 60 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup); 61 62 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass); 63 64 CeedVectorCreate(ceed, num_nodes_x, &X); 65 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 66 CeedVectorCreate(ceed, num_elem * Q, &q_data); 67 68 CeedOperatorSetField(op_setup, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, CEED_VECTOR_NONE); 69 CeedOperatorSetField(op_setup, "dx", elem_restr_x, basis_x, CEED_VECTOR_ACTIVE); 70 CeedOperatorSetField(op_setup, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 71 72 CeedOperatorSetField(op_mass, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, q_data); 73 CeedOperatorSetField(op_mass, "u", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 74 CeedOperatorSetField(op_mass, "v", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 75 76 CeedOperatorApply(op_setup, X, q_data, CEED_REQUEST_IMMEDIATE); 77 78 CeedVectorCreate(ceed, 2 * num_nodes_u, &U); 79 CeedVectorGetArrayWrite(U, CEED_MEM_HOST, &hu); 80 for (int i = 0; i < num_nodes_u; i++) { 81 hu[2 * i] = 1.0; 82 hu[2 * i + 1] = 2.0; 83 } 84 CeedVectorRestoreArray(U, &hu); 85 CeedVectorCreate(ceed, 2 * num_nodes_u, &V); 86 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 87 88 // Check output 89 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 90 sum_1 = 0.; 91 sum_2 = 0.; 92 for (CeedInt i = 0; i < num_nodes_u; i++) { 93 sum_1 += hv[2 * i]; 94 sum_2 += hv[2 * i + 1]; 95 } 96 if (fabs(sum_1 - 1.) > 1000. * CEED_EPSILON) printf("Computed Area: %f != True Area: 1.0\n", sum_1); 97 if (fabs(sum_2 - 2.) > 1000. * CEED_EPSILON) printf("Computed Area: %f != True Area: 2.0\n", sum_2); 98 CeedVectorRestoreArrayRead(V, &hv); 99 100 CeedQFunctionDestroy(&qf_setup); 101 CeedQFunctionDestroy(&qf_mass); 102 CeedOperatorDestroy(&op_setup); 103 CeedOperatorDestroy(&op_mass); 104 CeedElemRestrictionDestroy(&elem_restr_u); 105 CeedElemRestrictionDestroy(&elem_restr_x); 106 CeedElemRestrictionDestroy(&elem_restr_qd_i); 107 CeedBasisDestroy(&basis_u); 108 CeedBasisDestroy(&basis_x); 109 CeedVectorDestroy(&X); 110 CeedVectorDestroy(&U); 111 CeedVectorDestroy(&V); 112 CeedVectorDestroy(&q_data); 113 CeedDestroy(&ceed); 114 return 0; 115 } 116