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_restriction_x, elem_restriction_u, elem_restriction_q_data; 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 CeedInt num_elem = 15, p = 5, q = 8; 18 CeedInt num_nodes_x = num_elem + 1, num_nodes_u = num_elem * (p - 1) + 1; 19 CeedInt ind_x[num_elem * 2], ind_u[num_elem * p]; 20 CeedScalar x_array[num_nodes_x]; 21 22 //! [Ceed Init] 23 CeedInit(argv[1], &ceed); 24 //! [Ceed Init] 25 for (CeedInt i = 0; i < num_nodes_x; i++) x_array[i] = (CeedScalar)i / (num_nodes_x - 1); 26 for (CeedInt i = 0; i < num_elem; i++) { 27 ind_x[2 * i + 0] = i; 28 ind_x[2 * i + 1] = i + 1; 29 } 30 //! [ElemRestr Create] 31 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, num_nodes_x, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, &elem_restriction_x); 32 //! [ElemRestr Create] 33 34 for (CeedInt i = 0; i < num_elem; i++) { 35 for (CeedInt j = 0; j < p; j++) { 36 ind_u[p * i + j] = i * (p - 1) + j; 37 } 38 } 39 //! [ElemRestrU Create] 40 CeedElemRestrictionCreate(ceed, num_elem, p, 1, 1, num_nodes_u, CEED_MEM_HOST, CEED_USE_POINTER, ind_u, &elem_restriction_u); 41 CeedInt strides_q_data[3] = {1, q, q}; 42 CeedElemRestrictionCreateStrided(ceed, num_elem, q, 1, q * num_elem, strides_q_data, &elem_restriction_q_data); 43 //! [ElemRestrU Create] 44 45 //! [Basis Create] 46 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, q, CEED_GAUSS, &basis_x); 47 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, p, q, CEED_GAUSS, &basis_u); 48 //! [Basis Create] 49 50 //! [QFunction Create] 51 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 52 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT); 53 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 54 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 55 56 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 57 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 58 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 59 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 60 //! [QFunction Create] 61 62 //! [Setup Create] 63 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup); 64 //! [Setup Create] 65 66 //! [Operator Create] 67 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass); 68 //! [Operator Create] 69 70 CeedVectorCreate(ceed, num_nodes_x, &x); 71 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, x_array); 72 CeedVectorCreate(ceed, num_elem * q, &q_data); 73 74 //! [Setup Set] 75 CeedOperatorSetField(op_setup, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, CEED_VECTOR_NONE); 76 CeedOperatorSetField(op_setup, "dx", elem_restriction_x, basis_x, CEED_VECTOR_ACTIVE); 77 CeedOperatorSetField(op_setup, "rho", elem_restriction_q_data, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 78 //! [Setup Set] 79 80 //! [Operator Set] 81 CeedOperatorSetField(op_mass, "rho", elem_restriction_q_data, CEED_BASIS_COLLOCATED, q_data); 82 CeedOperatorSetField(op_mass, "u", elem_restriction_u, basis_u, CEED_VECTOR_ACTIVE); 83 CeedOperatorSetField(op_mass, "v", elem_restriction_u, basis_u, CEED_VECTOR_ACTIVE); 84 //! [Operator Set] 85 86 //! [Setup Apply] 87 CeedOperatorApply(op_setup, x, q_data, CEED_REQUEST_IMMEDIATE); 88 //! [Setup Apply] 89 90 CeedVectorCreate(ceed, num_nodes_u, &u); 91 CeedVectorSetValue(u, 0.0); 92 CeedVectorCreate(ceed, num_nodes_u, &v); 93 //! [Operator Apply] 94 CeedOperatorApply(op_mass, u, v, CEED_REQUEST_IMMEDIATE); 95 //! [Operator Apply] 96 97 { 98 const CeedScalar *v_array; 99 100 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &v_array); 101 for (CeedInt i = 0; i < num_nodes_u; i++) { 102 if (fabs(v_array[i]) > 1e-14) printf("[%" CeedInt_FMT "] v %g != 0.0\n", i, v_array[i]); 103 } 104 CeedVectorRestoreArrayRead(v, &v_array); 105 } 106 107 CeedVectorDestroy(&x); 108 CeedVectorDestroy(&u); 109 CeedVectorDestroy(&v); 110 CeedVectorDestroy(&q_data); 111 CeedElemRestrictionDestroy(&elem_restriction_x); 112 CeedElemRestrictionDestroy(&elem_restriction_u); 113 CeedElemRestrictionDestroy(&elem_restriction_q_data); 114 CeedBasisDestroy(&basis_x); 115 CeedBasisDestroy(&basis_u); 116 CeedQFunctionDestroy(&qf_setup); 117 CeedQFunctionDestroy(&qf_mass); 118 CeedOperatorDestroy(&op_setup); 119 CeedOperatorDestroy(&op_mass); 120 CeedDestroy(&ceed); 121 return 0; 122 } 123