1 /// @file 2 /// Test creation, action, and destruction for mass matrix operator using a trivial oriented element restriction (see t510) 3 /// \test Test creation, action, and destruction for mass matrix operator using a trivial oriented element restriction 4 #include "t510-operator.h" 5 6 #include <ceed.h> 7 #include <math.h> 8 #include <stdio.h> 9 #include <stdlib.h> 10 11 #include "t320-basis.h" 12 13 int main(int argc, char **argv) { 14 Ceed ceed; 15 CeedElemRestriction elem_restriction_x, elem_restriction_u, elem_restriction_q_data; 16 CeedBasis basis_x, basis_u; 17 CeedQFunction qf_setup, qf_mass; 18 CeedOperator op_setup, op_mass; 19 CeedVector q_data, x, u, v; 20 CeedInt num_elem = 12, dim = 2, p = 6, q = 4; 21 CeedInt nx = 3, ny = 2; 22 CeedInt row, col, offset; 23 CeedInt num_dofs = (nx * 2 + 1) * (ny * 2 + 1), num_qpts = num_elem * q; 24 CeedInt ind_x[num_elem * p]; 25 bool orients_u[num_elem * p]; 26 CeedScalar q_ref[dim * q], q_weight[q]; 27 CeedScalar interp[p * q], grad[dim * p * q]; 28 29 CeedInit(argv[1], &ceed); 30 31 CeedVectorCreate(ceed, dim * num_dofs, &x); 32 { 33 CeedScalar x_array[dim * num_dofs]; 34 35 for (CeedInt i = 0; i < num_dofs; i++) { 36 x_array[i] = (1. / (nx * 2)) * (CeedScalar)(i % (nx * 2 + 1)); 37 x_array[i + num_dofs] = (1. / (ny * 2)) * (CeedScalar)(i / (nx * 2 + 1)); 38 } 39 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_COPY_VALUES, x_array); 40 } 41 CeedVectorCreate(ceed, num_qpts, &q_data); 42 CeedVectorCreate(ceed, num_dofs, &u); 43 CeedVectorCreate(ceed, num_dofs, &v); 44 45 // Restrictions 46 for (CeedInt i = 0; i < num_elem / 2; i++) { 47 col = i % nx; 48 row = i / nx; 49 offset = col * 2 + row * (nx * 2 + 1) * 2; 50 51 ind_x[i * 2 * p + 0] = 2 + offset; 52 ind_x[i * 2 * p + 1] = 9 + offset; 53 ind_x[i * 2 * p + 2] = 16 + offset; 54 ind_x[i * 2 * p + 3] = 1 + offset; 55 ind_x[i * 2 * p + 4] = 8 + offset; 56 ind_x[i * 2 * p + 5] = 0 + offset; 57 58 ind_x[i * 2 * p + 6] = 14 + offset; 59 ind_x[i * 2 * p + 7] = 7 + offset; 60 ind_x[i * 2 * p + 8] = 0 + offset; 61 ind_x[i * 2 * p + 9] = 15 + offset; 62 ind_x[i * 2 * p + 10] = 8 + offset; 63 ind_x[i * 2 * p + 11] = 16 + offset; 64 65 for (CeedInt j = 0; j < 12; j++) { 66 orients_u[i * 2 * p + j] = false; 67 } 68 } 69 CeedElemRestrictionCreate(ceed, num_elem, p, dim, num_dofs, dim * num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, &elem_restriction_x); 70 CeedElemRestrictionCreateOriented(ceed, num_elem, p, 1, 1, num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, orients_u, &elem_restriction_u); 71 72 CeedInt strides_q_data[3] = {1, q, q}; 73 CeedElemRestrictionCreateStrided(ceed, num_elem, q, 1, num_qpts, strides_q_data, &elem_restriction_q_data); 74 75 // Bases 76 Build2DSimplex(q_ref, q_weight, interp, grad); 77 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, dim, p, q, interp, grad, q_ref, q_weight, &basis_x); 78 79 Build2DSimplex(q_ref, q_weight, interp, grad); 80 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, 1, p, q, interp, grad, q_ref, q_weight, &basis_u); 81 82 // QFunctions 83 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 84 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT); 85 CeedQFunctionAddInput(qf_setup, "dx", dim * dim, CEED_EVAL_GRAD); 86 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 87 88 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 89 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 90 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 91 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 92 93 // Operators 94 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup); 95 CeedOperatorSetField(op_setup, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, CEED_VECTOR_NONE); 96 CeedOperatorSetField(op_setup, "dx", elem_restriction_x, basis_x, CEED_VECTOR_ACTIVE); 97 CeedOperatorSetField(op_setup, "rho", elem_restriction_q_data, CEED_BASIS_NONE, CEED_VECTOR_ACTIVE); 98 99 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass); 100 CeedOperatorSetField(op_mass, "rho", elem_restriction_q_data, CEED_BASIS_NONE, q_data); 101 CeedOperatorSetField(op_mass, "u", elem_restriction_u, basis_u, CEED_VECTOR_ACTIVE); 102 CeedOperatorSetField(op_mass, "v", elem_restriction_u, basis_u, CEED_VECTOR_ACTIVE); 103 104 CeedOperatorApply(op_setup, x, q_data, CEED_REQUEST_IMMEDIATE); 105 106 CeedVectorSetValue(u, 0.0); 107 CeedOperatorApply(op_mass, u, v, CEED_REQUEST_IMMEDIATE); 108 109 // Check output 110 { 111 const CeedScalar *v_array; 112 113 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &v_array); 114 for (CeedInt i = 0; i < num_dofs; i++) { 115 if (fabs(v_array[i]) > 1e-14) printf("[%" CeedInt_FMT "] v %g != 0.0\n", i, v_array[i]); 116 } 117 CeedVectorRestoreArrayRead(v, &v_array); 118 } 119 120 CeedVectorDestroy(&x); 121 CeedVectorDestroy(&u); 122 CeedVectorDestroy(&v); 123 CeedVectorDestroy(&q_data); 124 CeedElemRestrictionDestroy(&elem_restriction_u); 125 CeedElemRestrictionDestroy(&elem_restriction_x); 126 CeedElemRestrictionDestroy(&elem_restriction_q_data); 127 CeedBasisDestroy(&basis_u); 128 CeedBasisDestroy(&basis_x); 129 CeedQFunctionDestroy(&qf_setup); 130 CeedQFunctionDestroy(&qf_mass); 131 CeedOperatorDestroy(&op_setup); 132 CeedOperatorDestroy(&op_mass); 133 CeedDestroy(&ceed); 134 return 0; 135 } 136