1 /// @file 2 /// Test viewing of mass matrix operator 3 /// \test Test viewing of 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_restriction_x, elem_restriction_u, elem_restriction_q_data; 13 CeedBasis basis_x, basis_u; 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 CeedVectorCreate(ceed, num_elem * q, &q_data); 24 25 // Restrictions 26 for (CeedInt i = 0; i < num_elem; i++) { 27 ind_x[2 * i + 0] = i; 28 ind_x[2 * i + 1] = i + 1; 29 } 30 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, num_nodes_x, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, &elem_restriction_x); 31 32 for (CeedInt i = 0; i < num_elem; i++) { 33 for (CeedInt j = 0; j < p; j++) { 34 ind_u[p * i + j] = 2 * (i * (p - 1) + j); 35 } 36 } 37 CeedElemRestrictionCreate(ceed, num_elem, p, 2, 1, 2 * num_nodes_u, CEED_MEM_HOST, CEED_USE_POINTER, ind_u, &elem_restriction_u); 38 39 CeedInt strides_q_data[3] = {1, q, q}; 40 CeedElemRestrictionCreateStrided(ceed, num_elem, q, 1, q * num_elem, strides_q_data, &elem_restriction_q_data); 41 42 // Bases 43 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, q, CEED_GAUSS, &basis_x); 44 CeedBasisCreateTensorH1Lagrange(ceed, 1, 2, p, q, CEED_GAUSS, &basis_u); 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, &op_setup); 59 CeedOperatorSetField(op_setup, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, CEED_VECTOR_NONE); 60 CeedOperatorSetField(op_setup, "dx", elem_restriction_x, basis_x, CEED_VECTOR_ACTIVE); 61 CeedOperatorSetField(op_setup, "rho", elem_restriction_q_data, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 62 63 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass); 64 CeedOperatorSetField(op_mass, "rho", elem_restriction_q_data, CEED_BASIS_COLLOCATED, q_data); 65 CeedOperatorSetField(op_mass, "u", elem_restriction_u, basis_u, CEED_VECTOR_ACTIVE); 66 CeedOperatorSetField(op_mass, "v", elem_restriction_u, basis_u, CEED_VECTOR_ACTIVE); 67 68 CeedOperatorView(op_setup, stdout); 69 CeedOperatorView(op_mass, stdout); 70 71 CeedVectorDestroy(&q_data); 72 CeedElemRestrictionDestroy(&elem_restriction_u); 73 CeedElemRestrictionDestroy(&elem_restriction_x); 74 CeedElemRestrictionDestroy(&elem_restriction_q_data); 75 CeedBasisDestroy(&basis_u); 76 CeedBasisDestroy(&basis_x); 77 CeedQFunctionDestroy(&qf_setup); 78 CeedQFunctionDestroy(&qf_mass); 79 CeedOperatorDestroy(&op_setup); 80 CeedOperatorDestroy(&op_mass); 81 CeedDestroy(&ceed); 82 return 0; 83 } 84