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 <stdio.h> 7 #include <stdlib.h> 8 9 #include "t320-basis.h" 10 #include "t510-operator.h" 11 12 int main(int argc, char **argv) { 13 Ceed ceed; 14 CeedElemRestriction elem_restriction_x, elem_restriction_u, elem_restriction_q_data; 15 CeedBasis basis_x, basis_u; 16 CeedQFunction qf_setup, qf_mass; 17 CeedOperator op_setup, op_mass; 18 CeedVector q_data, x, u, v; 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 ind_x[num_elem * p]; 24 CeedScalar q_ref[dim * q], q_weight[q]; 25 CeedScalar interp[p * q], grad[dim * p * q]; 26 27 CeedInit(argv[1], &ceed); 28 29 CeedVectorCreate(ceed, dim * num_dofs, &x); 30 { 31 CeedScalar x_array[dim * num_dofs]; 32 33 for (CeedInt i = 0; i < num_dofs; i++) { 34 x_array[i] = (1. / (nx * 2)) * (CeedScalar)(i % (nx * 2 + 1)); 35 x_array[i + num_dofs] = (1. / (ny * 2)) * (CeedScalar)(i / (nx * 2 + 1)); 36 } 37 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_COPY_VALUES, x_array); 38 } 39 CeedVectorCreate(ceed, num_qpts, &q_data); 40 CeedVectorCreate(ceed, num_dofs, &u); 41 CeedVectorCreate(ceed, num_dofs, &v); 42 43 // Restrictions 44 for (CeedInt i = 0; i < num_elem / 2; i++) { 45 col = i % nx; 46 row = i / nx; 47 offset = col * 2 + row * (nx * 2 + 1) * 2; 48 49 ind_x[i * 2 * p + 0] = 2 + offset; 50 ind_x[i * 2 * p + 1] = 9 + offset; 51 ind_x[i * 2 * p + 2] = 16 + offset; 52 ind_x[i * 2 * p + 3] = 1 + offset; 53 ind_x[i * 2 * p + 4] = 8 + offset; 54 ind_x[i * 2 * p + 5] = 0 + offset; 55 56 ind_x[i * 2 * p + 6] = 14 + offset; 57 ind_x[i * 2 * p + 7] = 7 + offset; 58 ind_x[i * 2 * p + 8] = 0 + offset; 59 ind_x[i * 2 * p + 9] = 15 + offset; 60 ind_x[i * 2 * p + 10] = 8 + offset; 61 ind_x[i * 2 * p + 11] = 16 + offset; 62 } 63 CeedElemRestrictionCreate(ceed, num_elem, p, dim, num_dofs, dim * num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, &elem_restriction_x); 64 CeedElemRestrictionCreate(ceed, num_elem, p, 1, 1, num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, &elem_restriction_u); 65 66 CeedInt strides_q_data[3] = {1, q, q}; 67 CeedElemRestrictionCreateStrided(ceed, num_elem, q, 1, num_qpts, strides_q_data, &elem_restriction_q_data); 68 69 // Bases 70 Build2DSimplex(q_ref, q_weight, interp, grad); 71 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, dim, p, q, interp, grad, q_ref, q_weight, &basis_x); 72 73 Build2DSimplex(q_ref, q_weight, interp, grad); 74 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, 1, p, q, interp, grad, q_ref, q_weight, &basis_u); 75 76 // QFunctions 77 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 78 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT); 79 CeedQFunctionAddInput(qf_setup, "x", dim * dim, CEED_EVAL_GRAD); 80 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 81 82 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 83 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 84 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 85 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 86 87 // Operators 88 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup); 89 CeedOperatorSetField(op_setup, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, CEED_VECTOR_NONE); 90 CeedOperatorSetField(op_setup, "x", elem_restriction_x, basis_x, CEED_VECTOR_ACTIVE); 91 CeedOperatorSetField(op_setup, "rho", elem_restriction_q_data, CEED_BASIS_NONE, CEED_VECTOR_ACTIVE); 92 93 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass); 94 CeedOperatorSetField(op_mass, "rho", elem_restriction_q_data, CEED_BASIS_NONE, q_data); 95 CeedOperatorSetField(op_mass, "u", elem_restriction_u, basis_u, CEED_VECTOR_ACTIVE); 96 CeedOperatorSetField(op_mass, "v", elem_restriction_u, basis_u, CEED_VECTOR_ACTIVE); 97 98 CeedOperatorApply(op_setup, x, q_data, CEED_REQUEST_IMMEDIATE); 99 100 CeedVectorSetValue(u, 1.0); 101 CeedOperatorApply(op_mass, u, v, CEED_REQUEST_IMMEDIATE); 102 103 // Check output 104 { 105 const CeedScalar *v_array; 106 CeedScalar sum = 0.; 107 108 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &v_array); 109 for (CeedInt i = 0; i < num_dofs; i++) sum += v_array[i]; 110 CeedVectorRestoreArrayRead(v, &v_array); 111 if (fabs(sum - 1.) > 1000. * CEED_EPSILON) printf("Computed Area: %f != True Area: 1.0\n", sum); 112 } 113 114 CeedVectorDestroy(&x); 115 CeedVectorDestroy(&u); 116 CeedVectorDestroy(&v); 117 CeedVectorDestroy(&q_data); 118 CeedElemRestrictionDestroy(&elem_restriction_u); 119 CeedElemRestrictionDestroy(&elem_restriction_x); 120 CeedElemRestrictionDestroy(&elem_restriction_q_data); 121 CeedBasisDestroy(&basis_u); 122 CeedBasisDestroy(&basis_x); 123 CeedQFunctionDestroy(&qf_setup); 124 CeedQFunctionDestroy(&qf_mass); 125 CeedOperatorDestroy(&op_setup); 126 CeedOperatorDestroy(&op_mass); 127 CeedDestroy(&ceed); 128 return 0; 129 } 130