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 <ceed.h> 5 #include <stdlib.h> 6 #include <math.h> 7 8 #include "t500-operator.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++) 27 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 //! [ElemRestr Create] 33 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, num_nodes_x, CEED_MEM_HOST, 34 CEED_USE_POINTER, ind_x, &elem_restr_x); 35 //! [ElemRestr Create] 36 37 for (CeedInt i=0; i<num_elem; i++) { 38 for (CeedInt j=0; j<P; j++) { 39 ind_u[P*i+j] = i*(P-1) + j; 40 } 41 } 42 //! [ElemRestrU Create] 43 CeedElemRestrictionCreate(ceed, num_elem, P, 1, 1, num_nodes_u, CEED_MEM_HOST, 44 CEED_USE_POINTER, ind_u, &elem_restr_u); 45 CeedInt strides_qd[3] = {1, Q, Q}; 46 CeedElemRestrictionCreateStrided(ceed, num_elem, Q, 1, Q*num_elem, strides_qd, 47 &elem_restr_qd_i); 48 //! [ElemRestrU Create] 49 50 //! [Basis Create] 51 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &basis_x); 52 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &basis_u); 53 //! [Basis Create] 54 55 //! [QFunction Create] 56 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 57 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT); 58 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 59 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 60 61 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 62 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 63 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 64 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 65 //! [QFunction Create] 66 67 //! [Setup Create] 68 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 69 &op_setup); 70 //! [Setup Create] 71 72 //! [Operator Create] 73 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 74 &op_mass); 75 //! [Operator Create] 76 77 CeedVectorCreate(ceed, num_nodes_x, &X); 78 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 79 CeedVectorCreate(ceed, num_elem*Q, &q_data); 80 81 //! [Setup Set] 82 CeedOperatorSetField(op_setup, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, 83 CEED_VECTOR_NONE); 84 CeedOperatorSetField(op_setup, "dx", elem_restr_x, basis_x, CEED_VECTOR_ACTIVE); 85 CeedOperatorSetField(op_setup, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, 86 CEED_VECTOR_ACTIVE); 87 //! [Setup Set] 88 89 //! [Operator Set] 90 CeedOperatorSetField(op_mass, "rho", elem_restr_qd_i,CEED_BASIS_COLLOCATED, 91 q_data); 92 CeedOperatorSetField(op_mass, "u", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 93 CeedOperatorSetField(op_mass, "v", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 94 //! [Operator Set] 95 96 //! [Setup Apply] 97 CeedOperatorApply(op_setup, X, q_data, CEED_REQUEST_IMMEDIATE); 98 //! [Setup Apply] 99 100 CeedVectorCreate(ceed, num_nodes_u, &U); 101 CeedVectorSetValue(U, 0.0); 102 CeedVectorCreate(ceed, num_nodes_u, &V); 103 //! [Operator Apply] 104 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 105 //! [Operator Apply] 106 107 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 108 for (CeedInt i=0; i<num_nodes_u; i++) 109 if (fabs(hv[i]) > 1e-14) printf("[%d] v %g != 0.0\n",i, hv[i]); 110 CeedVectorRestoreArrayRead(V, &hv); 111 112 CeedQFunctionDestroy(&qf_setup); 113 CeedQFunctionDestroy(&qf_mass); 114 CeedOperatorDestroy(&op_setup); 115 CeedOperatorDestroy(&op_mass); 116 CeedElemRestrictionDestroy(&elem_restr_u); 117 CeedElemRestrictionDestroy(&elem_restr_x); 118 CeedElemRestrictionDestroy(&elem_restr_qd_i); 119 CeedBasisDestroy(&basis_u); 120 CeedBasisDestroy(&basis_x); 121 CeedVectorDestroy(&X); 122 CeedVectorDestroy(&U); 123 CeedVectorDestroy(&V); 124 CeedVectorDestroy(&q_data); 125 CeedDestroy(&ceed); 126 return 0; 127 } 128