1 /// @file 2 /// Test creation, action, and destruction for mass matrix operator with multiple components 3 /// \test Test creation, action, and destruction for mass matrix operator with multiple components 4 #include <ceed.h> 5 #include <stdlib.h> 6 #include <math.h> 7 8 #include "t502-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 CeedScalar *hu; 18 const CeedScalar *hv; 19 CeedInt num_elem = 15, P = 5, Q = 8; 20 CeedInt num_nodes_x = num_elem+1, num_nodes_u = num_elem*(P-1)+1; 21 CeedInt ind_x[num_elem*2], ind_u[num_elem*P]; 22 CeedScalar x[num_nodes_x]; 23 CeedScalar sum_1, sum_2; 24 25 CeedInit(argv[1], &ceed); 26 27 for (CeedInt i=0; i<num_nodes_x; i++) 28 x[i] = (CeedScalar) i / (num_nodes_x - 1); 29 for (CeedInt i=0; i<num_elem; i++) { 30 ind_x[2*i+0] = i; 31 ind_x[2*i+1] = i+1; 32 } 33 // Restrictions 34 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, num_nodes_x, CEED_MEM_HOST, 35 CEED_USE_POINTER, ind_x, &elem_restr_x); 36 37 for (CeedInt i=0; i<num_elem; i++) { 38 for (CeedInt j=0; j<P; j++) { 39 ind_u[P*i+j] = 2*(i*(P-1) + j); 40 } 41 } 42 CeedElemRestrictionCreate(ceed, num_elem, P, 2, 1, 2*num_nodes_u, CEED_MEM_HOST, 43 CEED_USE_POINTER, ind_u, &elem_restr_u); 44 CeedInt strides_qd[3] = {1, Q, Q}; 45 CeedElemRestrictionCreateStrided(ceed, num_elem, Q, 1, Q*num_elem, strides_qd, 46 &elem_restr_qd_i); 47 48 // Bases 49 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &basis_x); 50 CeedBasisCreateTensorH1Lagrange(ceed, 1, 2, P, Q, CEED_GAUSS, &basis_u); 51 52 // QFunctions 53 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 54 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 55 CeedQFunctionAddInput(qf_setup, "dx", 1*1, CEED_EVAL_GRAD); 56 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 57 58 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 59 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 60 CeedQFunctionAddInput(qf_mass, "u", 2, CEED_EVAL_INTERP); 61 CeedQFunctionAddOutput(qf_mass, "v", 2, CEED_EVAL_INTERP); 62 63 // Operators 64 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 65 &op_setup); 66 67 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 68 &op_mass); 69 70 CeedVectorCreate(ceed, num_nodes_x, &X); 71 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 72 CeedVectorCreate(ceed, num_elem*Q, &q_data); 73 74 CeedOperatorSetField(op_setup, "_weight", CEED_ELEMRESTRICTION_NONE, basis_x, 75 CEED_VECTOR_NONE); 76 CeedOperatorSetField(op_setup, "dx", elem_restr_x, basis_x, CEED_VECTOR_ACTIVE); 77 CeedOperatorSetField(op_setup, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, 78 CEED_VECTOR_ACTIVE); 79 80 CeedOperatorSetField(op_mass, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, 81 q_data); 82 CeedOperatorSetField(op_mass, "u", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 83 CeedOperatorSetField(op_mass, "v", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 84 85 CeedOperatorApply(op_setup, X, q_data, CEED_REQUEST_IMMEDIATE); 86 87 CeedVectorCreate(ceed, 2*num_nodes_u, &U); 88 CeedVectorGetArray(U, CEED_MEM_HOST, &hu); 89 for (int i = 0; i < num_nodes_u; i++) { 90 hu[2*i] = 1.0; 91 hu[2*i+1] = 2.0; 92 } 93 CeedVectorRestoreArray(U, &hu); 94 CeedVectorCreate(ceed, 2*num_nodes_u, &V); 95 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 96 97 // Check output 98 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 99 sum_1 = 0.; sum_2 = 0.; 100 for (CeedInt i=0; i<num_nodes_u; i++) { 101 sum_1 += hv[2*i]; 102 sum_2 += hv[2*i+1]; 103 } 104 if (fabs(sum_1-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", 105 sum_1); 106 if (fabs(sum_2-2.)>1e-10) printf("Computed Area: %f != True Area: 2.0\n", 107 sum_2); 108 CeedVectorRestoreArrayRead(V, &hv); 109 110 CeedQFunctionDestroy(&qf_setup); 111 CeedQFunctionDestroy(&qf_mass); 112 CeedOperatorDestroy(&op_setup); 113 CeedOperatorDestroy(&op_mass); 114 CeedElemRestrictionDestroy(&elem_restr_u); 115 CeedElemRestrictionDestroy(&elem_restr_x); 116 CeedElemRestrictionDestroy(&elem_restr_qd_i); 117 CeedBasisDestroy(&basis_u); 118 CeedBasisDestroy(&basis_x); 119 CeedVectorDestroy(&X); 120 CeedVectorDestroy(&U); 121 CeedVectorDestroy(&V); 122 CeedVectorDestroy(&q_data); 123 CeedDestroy(&ceed); 124 return 0; 125 } 126