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 CeedScalar sum; 23 24 CeedInit(argv[1], &ceed); 25 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 // Restrictions 33 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, num_nodes_x, CEED_MEM_HOST, 34 CEED_USE_POINTER, ind_x, &elem_restr_x); 35 36 for (CeedInt i=0; i<num_elem; i++) { 37 for (CeedInt j=0; j<P; j++) { 38 ind_u[P*i+j] = i*(P-1) + j; 39 } 40 } 41 CeedElemRestrictionCreate(ceed, num_elem, P, 1, 1, num_nodes_u, CEED_MEM_HOST, 42 CEED_USE_POINTER, ind_u, &elem_restr_u); 43 CeedInt strides_qd[3] = {1, Q, Q}; 44 CeedElemRestrictionCreateStrided(ceed, num_elem, Q, 1, Q*num_elem, strides_qd, 45 &elem_restr_qd_i); 46 47 // Bases 48 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &basis_x); 49 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &basis_u); 50 51 // QFunctions 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 62 // Operators 63 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 64 &op_setup); 65 66 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 67 &op_mass); 68 69 CeedVectorCreate(ceed, num_nodes_x, &X); 70 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 71 CeedVectorCreate(ceed, num_elem*Q, &q_data); 72 73 CeedOperatorSetField(op_setup, "_weight", CEED_ELEMRESTRICTION_NONE, basis_x, 74 CEED_VECTOR_NONE); 75 CeedOperatorSetField(op_setup, "dx", elem_restr_x, basis_x, CEED_VECTOR_ACTIVE); 76 CeedOperatorSetField(op_setup, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, 77 CEED_VECTOR_ACTIVE); 78 79 CeedOperatorSetField(op_mass, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, 80 q_data); 81 CeedOperatorSetField(op_mass, "u", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 82 CeedOperatorSetField(op_mass, "v", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 83 84 CeedOperatorApply(op_setup, X, q_data, CEED_REQUEST_IMMEDIATE); 85 86 CeedVectorCreate(ceed, num_nodes_u, &U); 87 CeedVectorSetValue(U, 1.0); 88 CeedVectorCreate(ceed, num_nodes_u, &V); 89 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 90 91 // Check output 92 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 93 sum = 0.; 94 for (CeedInt i=0; i<num_nodes_u; i++) 95 sum += hv[i]; 96 if (fabs(sum-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum); 97 CeedVectorRestoreArrayRead(V, &hv); 98 99 CeedQFunctionDestroy(&qf_setup); 100 CeedQFunctionDestroy(&qf_mass); 101 CeedOperatorDestroy(&op_setup); 102 CeedOperatorDestroy(&op_mass); 103 CeedElemRestrictionDestroy(&elem_restr_u); 104 CeedElemRestrictionDestroy(&elem_restr_x); 105 CeedElemRestrictionDestroy(&elem_restr_qd_i); 106 CeedBasisDestroy(&basis_u); 107 CeedBasisDestroy(&basis_x); 108 CeedVectorDestroy(&X); 109 CeedVectorDestroy(&U); 110 CeedVectorDestroy(&V); 111 CeedVectorDestroy(&q_data); 112 CeedDestroy(&ceed); 113 return 0; 114 } 115