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 <math.h> 6 #include <stdlib.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 CeedScalar sum; 23 24 CeedInit(argv[1], &ceed); 25 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 // Restrictions 32 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, num_nodes_x, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, &elem_restr_x); 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 CeedElemRestrictionCreate(ceed, num_elem, P, 1, 1, num_nodes_u, CEED_MEM_HOST, CEED_USE_POINTER, ind_u, &elem_restr_u); 40 CeedInt strides_qd[3] = {1, Q, Q}; 41 CeedElemRestrictionCreateStrided(ceed, num_elem, Q, 1, Q * num_elem, strides_qd, &elem_restr_qd_i); 42 43 // Bases 44 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &basis_x); 45 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &basis_u); 46 47 // QFunctions 48 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 49 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT); 50 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 51 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 52 53 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 54 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 55 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 56 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 57 58 // Operators 59 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup); 60 61 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass); 62 63 CeedVectorCreate(ceed, num_nodes_x, &X); 64 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 65 CeedVectorCreate(ceed, num_elem * Q, &q_data); 66 67 CeedOperatorSetField(op_setup, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, CEED_VECTOR_NONE); 68 CeedOperatorSetField(op_setup, "dx", elem_restr_x, basis_x, CEED_VECTOR_ACTIVE); 69 CeedOperatorSetField(op_setup, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 70 71 CeedOperatorSetField(op_mass, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, q_data); 72 CeedOperatorSetField(op_mass, "u", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 73 CeedOperatorSetField(op_mass, "v", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 74 75 CeedOperatorApply(op_setup, X, q_data, CEED_REQUEST_IMMEDIATE); 76 77 CeedVectorCreate(ceed, num_nodes_u, &U); 78 CeedVectorSetValue(U, 1.0); 79 CeedVectorCreate(ceed, num_nodes_u, &V); 80 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 81 82 // Check output 83 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 84 sum = 0.; 85 for (CeedInt i = 0; i < num_nodes_u; i++) sum += hv[i]; 86 if (fabs(sum - 1.) > 1000. * CEED_EPSILON) printf("Computed Area: %f != True Area: 1.0\n", sum); 87 CeedVectorRestoreArrayRead(V, &hv); 88 89 CeedQFunctionDestroy(&qf_setup); 90 CeedQFunctionDestroy(&qf_mass); 91 CeedOperatorDestroy(&op_setup); 92 CeedOperatorDestroy(&op_mass); 93 CeedElemRestrictionDestroy(&elem_restr_u); 94 CeedElemRestrictionDestroy(&elem_restr_x); 95 CeedElemRestrictionDestroy(&elem_restr_qd_i); 96 CeedBasisDestroy(&basis_u); 97 CeedBasisDestroy(&basis_x); 98 CeedVectorDestroy(&X); 99 CeedVectorDestroy(&U); 100 CeedVectorDestroy(&V); 101 CeedVectorDestroy(&q_data); 102 CeedDestroy(&ceed); 103 return 0; 104 } 105