1 /// @file 2 /// Test viewing of mass matrix operator 3 /// \test Test viewing of 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 bx, bu; 14 CeedQFunction qf_setup, qf_mass; 15 CeedOperator op_setup, op_mass; 16 CeedVector q_data; 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 21 CeedInit(argv[1], &ceed); 22 23 for (CeedInt i=0; i<num_elem; i++) { 24 ind_x[2*i+0] = i; 25 ind_x[2*i+1] = i+1; 26 } 27 // Restrictions 28 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, num_nodes_x, CEED_MEM_HOST, 29 CEED_USE_POINTER, ind_x, &elem_restr_x); 30 31 for (CeedInt i=0; i<num_elem; i++) { 32 for (CeedInt j=0; j<P; j++) { 33 ind_u[P*i+j] = 2*(i*(P-1) + j); 34 } 35 } 36 CeedElemRestrictionCreate(ceed, num_elem, P, 2, 1, 2*num_nodes_u, CEED_MEM_HOST, 37 CEED_USE_POINTER, ind_u, &elem_restr_u); 38 CeedInt strides_qd[3] = {1, Q, Q}; 39 CeedElemRestrictionCreateStrided(ceed, num_elem, Q, 1, Q*num_elem, strides_qd, 40 &elem_restr_qd_i); 41 42 // Bases 43 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 44 CeedBasisCreateTensorH1Lagrange(ceed, 1, 2, P, Q, CEED_GAUSS, &bu); 45 46 // QFunctions 47 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 48 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 49 CeedQFunctionAddInput(qf_setup, "dx", 1*1, CEED_EVAL_GRAD); 50 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 51 52 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 53 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 54 CeedQFunctionAddInput(qf_mass, "u", 2, CEED_EVAL_INTERP); 55 CeedQFunctionAddOutput(qf_mass, "v", 2, CEED_EVAL_INTERP); 56 57 // Operators 58 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 59 &op_setup); 60 61 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 62 &op_mass); 63 64 CeedVectorCreate(ceed, num_elem*Q, &q_data); 65 66 CeedOperatorSetField(op_setup, "_weight", CEED_ELEMRESTRICTION_NONE, bx, 67 CEED_VECTOR_NONE); 68 CeedOperatorSetField(op_setup, "dx", elem_restr_x, bx, CEED_VECTOR_ACTIVE); 69 CeedOperatorSetField(op_setup, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, 70 CEED_VECTOR_ACTIVE); 71 72 CeedOperatorSetField(op_mass, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, 73 q_data); 74 CeedOperatorSetField(op_mass, "u", elem_restr_u, bu, CEED_VECTOR_ACTIVE); 75 CeedOperatorSetField(op_mass, "v", elem_restr_u, bu, CEED_VECTOR_ACTIVE); 76 77 CeedOperatorView(op_setup, stdout); 78 CeedOperatorView(op_mass, stdout); 79 80 CeedQFunctionDestroy(&qf_setup); 81 CeedQFunctionDestroy(&qf_mass); 82 CeedOperatorDestroy(&op_setup); 83 CeedOperatorDestroy(&op_mass); 84 CeedElemRestrictionDestroy(&elem_restr_u); 85 CeedElemRestrictionDestroy(&elem_restr_x); 86 CeedElemRestrictionDestroy(&elem_restr_qd_i); 87 88 CeedBasisDestroy(&bu); 89 CeedBasisDestroy(&bx); 90 CeedVectorDestroy(&q_data); 91 CeedDestroy(&ceed); 92 return 0; 93 } 94