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