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 <stdio.h> 9 #include <stdlib.h> 10 11 int main(int argc, char **argv) { 12 Ceed ceed; 13 CeedElemRestriction elem_restriction_x, elem_restriction_u, elem_restriction_q_data; 14 CeedBasis basis_x, basis_u; 15 CeedQFunction qf_setup, qf_mass; 16 CeedOperator op_setup, op_mass; 17 CeedVector q_data, x, u, v; 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_array[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_array[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_restriction_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_restriction_u); 42 CeedInt strides_q_data[3] = {1, q, q}; 43 CeedElemRestrictionCreateStrided(ceed, num_elem, q, 1, q * num_elem, strides_q_data, &elem_restriction_q_data); 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_array); 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_restriction_x, basis_x, CEED_VECTOR_ACTIVE); 78 CeedOperatorSetField(op_setup, "rho", elem_restriction_q_data, CEED_BASIS_NONE, CEED_VECTOR_ACTIVE); 79 //! [Setup Set] 80 81 //! [Operator Set] 82 CeedOperatorSetField(op_mass, "rho", elem_restriction_q_data, CEED_BASIS_NONE, q_data); 83 CeedOperatorSetField(op_mass, "u", elem_restriction_u, basis_u, CEED_VECTOR_ACTIVE); 84 CeedOperatorSetField(op_mass, "v", elem_restriction_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 { 99 const CeedScalar *v_array; 100 101 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &v_array); 102 for (CeedInt i = 0; i < num_nodes_u; i++) { 103 if (fabs(v_array[i]) > 1e-14) printf("[%" CeedInt_FMT "] v %g != 0.0\n", i, v_array[i]); 104 } 105 CeedVectorRestoreArrayRead(v, &v_array); 106 } 107 108 CeedVectorDestroy(&x); 109 CeedVectorDestroy(&u); 110 CeedVectorDestroy(&v); 111 CeedVectorDestroy(&q_data); 112 CeedElemRestrictionDestroy(&elem_restriction_x); 113 CeedElemRestrictionDestroy(&elem_restriction_u); 114 CeedElemRestrictionDestroy(&elem_restriction_q_data); 115 CeedBasisDestroy(&basis_x); 116 CeedBasisDestroy(&basis_u); 117 CeedQFunctionDestroy(&qf_setup); 118 CeedQFunctionDestroy(&qf_mass); 119 CeedOperatorDestroy(&op_setup); 120 CeedOperatorDestroy(&op_mass); 121 CeedDestroy(&ceed); 122 return 0; 123 } 124