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 "t320-basis.h" 9 #include "t510-operator.h" 10 11 int main(int argc, char **argv) { 12 Ceed ceed; 13 CeedElemRestriction elem_restr_x, elem_restr_u, elem_restr_qd_i; 14 CeedBasis basis_x, basis_u; 15 CeedQFunction qf_setup, qf_mass; 16 CeedOperator op_setup, op_mass; 17 CeedVector q_data, X, U, V; 18 const CeedScalar *hv; 19 CeedInt num_elem = 12, dim = 2, P = 6, Q = 4; 20 CeedInt nx = 3, ny = 2; 21 CeedInt row, col, offset; 22 CeedInt num_dofs = (nx * 2 + 1) * (ny * 2 + 1), num_qpts = num_elem * Q; 23 CeedInt indx[num_elem * P]; 24 CeedScalar x[dim * num_dofs]; 25 CeedScalar q_ref[dim * Q], q_weight[Q]; 26 CeedScalar interp[P * Q], grad[dim * P * Q]; 27 CeedScalar sum; 28 29 CeedInit(argv[1], &ceed); 30 31 for (CeedInt i = 0; i < num_dofs; i++) { 32 x[i] = (1. / (nx * 2)) * (CeedScalar)(i % (nx * 2 + 1)); 33 x[i + num_dofs] = (1. / (ny * 2)) * (CeedScalar)(i / (nx * 2 + 1)); 34 } 35 for (CeedInt i = 0; i < num_elem / 2; i++) { 36 col = i % nx; 37 row = i / nx; 38 offset = col * 2 + row * (nx * 2 + 1) * 2; 39 40 indx[i * 2 * P + 0] = 2 + offset; 41 indx[i * 2 * P + 1] = 9 + offset; 42 indx[i * 2 * P + 2] = 16 + offset; 43 indx[i * 2 * P + 3] = 1 + offset; 44 indx[i * 2 * P + 4] = 8 + offset; 45 indx[i * 2 * P + 5] = 0 + offset; 46 47 indx[i * 2 * P + 6] = 14 + offset; 48 indx[i * 2 * P + 7] = 7 + offset; 49 indx[i * 2 * P + 8] = 0 + offset; 50 indx[i * 2 * P + 9] = 15 + offset; 51 indx[i * 2 * P + 10] = 8 + offset; 52 indx[i * 2 * P + 11] = 16 + offset; 53 } 54 55 // Restrictions 56 CeedElemRestrictionCreate(ceed, num_elem, P, dim, num_dofs, dim * num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, indx, &elem_restr_x); 57 58 CeedElemRestrictionCreate(ceed, num_elem, P, 1, 1, num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, indx, &elem_restr_u); 59 CeedInt strides_qd[3] = {1, Q, Q}; 60 CeedElemRestrictionCreateStrided(ceed, num_elem, Q, 1, num_qpts, strides_qd, &elem_restr_qd_i); 61 62 // Bases 63 buildmats(q_ref, q_weight, interp, grad); 64 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, dim, P, Q, interp, grad, q_ref, q_weight, &basis_x); 65 66 buildmats(q_ref, q_weight, interp, grad); 67 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, 1, P, Q, interp, grad, q_ref, q_weight, &basis_u); 68 69 // QFunctions 70 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 71 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT); 72 CeedQFunctionAddInput(qf_setup, "x", dim * dim, CEED_EVAL_GRAD); 73 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 74 75 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 76 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 77 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 78 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 79 80 // Operators 81 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup); 82 83 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass); 84 85 CeedVectorCreate(ceed, dim * num_dofs, &X); 86 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 87 CeedVectorCreate(ceed, num_qpts, &q_data); 88 89 CeedOperatorSetField(op_setup, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, CEED_VECTOR_NONE); 90 CeedOperatorSetField(op_setup, "x", elem_restr_x, basis_x, CEED_VECTOR_ACTIVE); 91 CeedOperatorSetField(op_setup, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 92 93 CeedOperatorSetField(op_mass, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, q_data); 94 CeedOperatorSetField(op_mass, "u", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 95 CeedOperatorSetField(op_mass, "v", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 96 97 CeedOperatorApply(op_setup, X, q_data, CEED_REQUEST_IMMEDIATE); 98 99 CeedVectorCreate(ceed, num_dofs, &U); 100 CeedVectorSetValue(U, 1.0); 101 CeedVectorCreate(ceed, num_dofs, &V); 102 103 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 104 105 // Check output 106 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 107 sum = 0.; 108 for (CeedInt i = 0; i < num_dofs; i++) sum += hv[i]; 109 if (fabs(sum - 1.) > 1000. * CEED_EPSILON) printf("Computed Area: %f != True Area: 1.0\n", sum); 110 CeedVectorRestoreArrayRead(V, &hv); 111 112 CeedQFunctionDestroy(&qf_setup); 113 CeedQFunctionDestroy(&qf_mass); 114 CeedOperatorDestroy(&op_setup); 115 CeedOperatorDestroy(&op_mass); 116 CeedElemRestrictionDestroy(&elem_restr_u); 117 CeedElemRestrictionDestroy(&elem_restr_x); 118 CeedElemRestrictionDestroy(&elem_restr_qd_i); 119 CeedBasisDestroy(&basis_u); 120 CeedBasisDestroy(&basis_x); 121 CeedVectorDestroy(&X); 122 CeedVectorDestroy(&U); 123 CeedVectorDestroy(&V); 124 CeedVectorDestroy(&q_data); 125 CeedDestroy(&ceed); 126 return 0; 127 } 128