1 /// @file 2 /// Test creation, action, and destruction for mass matrix operator 3 /// \test Test creation, action, and destruction for mass matrix operator 4 #include "t500-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 const CeedScalar *hv; 18 CeedInt num_elem = 15, P = 5, Q = 8; 19 CeedInt num_nodes_x = num_elem + 1, num_nodes_u = num_elem * (P - 1) + 1; 20 CeedInt ind_x[num_elem * 2], ind_u[num_elem * P]; 21 CeedScalar x[num_nodes_x]; 22 23 //! [Ceed Init] 24 CeedInit(argv[1], &ceed); 25 //! [Ceed Init] 26 for (CeedInt i = 0; i < num_nodes_x; i++) x[i] = (CeedScalar)i / (num_nodes_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 //! [ElemRestr Create] 32 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, num_nodes_x, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, &elem_restr_x); 33 //! [ElemRestr Create] 34 35 for (CeedInt i = 0; i < num_elem; i++) { 36 for (CeedInt j = 0; j < P; j++) { 37 ind_u[P * i + j] = i * (P - 1) + j; 38 } 39 } 40 //! [ElemRestrU Create] 41 CeedElemRestrictionCreate(ceed, num_elem, P, 1, 1, num_nodes_u, CEED_MEM_HOST, CEED_USE_POINTER, ind_u, &elem_restr_u); 42 CeedInt strides_qd[3] = {1, Q, Q}; 43 CeedElemRestrictionCreateStrided(ceed, num_elem, Q, 1, Q * num_elem, strides_qd, &elem_restr_qd_i); 44 //! [ElemRestrU Create] 45 46 //! [Basis Create] 47 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &basis_x); 48 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &basis_u); 49 //! [Basis Create] 50 51 //! [QFunction Create] 52 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 53 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT); 54 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 55 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 56 57 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 58 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 59 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 60 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 61 //! [QFunction Create] 62 63 //! [Setup Create] 64 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup); 65 //! [Setup Create] 66 67 //! [Operator Create] 68 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass); 69 //! [Operator Create] 70 71 CeedVectorCreate(ceed, num_nodes_x, &X); 72 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 73 CeedVectorCreate(ceed, num_elem * Q, &q_data); 74 75 //! [Setup Set] 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, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 79 //! [Setup Set] 80 81 //! [Operator Set] 82 CeedOperatorSetField(op_mass, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, q_data); 83 CeedOperatorSetField(op_mass, "u", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 84 CeedOperatorSetField(op_mass, "v", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 85 //! [Operator Set] 86 87 //! [Setup Apply] 88 CeedOperatorApply(op_setup, X, q_data, CEED_REQUEST_IMMEDIATE); 89 //! [Setup Apply] 90 91 CeedVectorCreate(ceed, num_nodes_u, &U); 92 CeedVectorSetValue(U, 0.0); 93 CeedVectorCreate(ceed, num_nodes_u, &V); 94 //! [Operator Apply] 95 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 96 //! [Operator Apply] 97 98 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 99 for (CeedInt i = 0; i < num_nodes_u; i++) { 100 if (fabs(hv[i]) > 1e-14) printf("[%" CeedInt_FMT "] v %g != 0.0\n", i, hv[i]); 101 } 102 CeedVectorRestoreArrayRead(V, &hv); 103 104 CeedQFunctionDestroy(&qf_setup); 105 CeedQFunctionDestroy(&qf_mass); 106 CeedOperatorDestroy(&op_setup); 107 CeedOperatorDestroy(&op_mass); 108 CeedElemRestrictionDestroy(&elem_restr_u); 109 CeedElemRestrictionDestroy(&elem_restr_x); 110 CeedElemRestrictionDestroy(&elem_restr_qd_i); 111 CeedBasisDestroy(&basis_u); 112 CeedBasisDestroy(&basis_x); 113 CeedVectorDestroy(&X); 114 CeedVectorDestroy(&U); 115 CeedVectorDestroy(&V); 116 CeedVectorDestroy(&q_data); 117 CeedDestroy(&ceed); 118 return 0; 119 } 120