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_restriction_x, elem_restriction_u, elem_restriction_q_data; 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 CeedInt num_elem = 12, dim = 2, p = 6, q = 4; 19 CeedInt nx = 3, ny = 2; 20 CeedInt row, col, offset; 21 CeedInt num_dofs = (nx * 2 + 1) * (ny * 2 + 1), num_qpts = num_elem * q; 22 CeedInt ind_x[num_elem * p]; 23 CeedScalar q_ref[dim * q], q_weight[q]; 24 CeedScalar interp[p * q], grad[dim * p * q]; 25 26 CeedInit(argv[1], &ceed); 27 28 CeedVectorCreate(ceed, dim * num_dofs, &x); 29 { 30 CeedScalar x_array[dim * num_dofs]; 31 32 for (CeedInt i = 0; i < num_dofs; i++) { 33 x_array[i] = (1. / (nx * 2)) * (CeedScalar)(i % (nx * 2 + 1)); 34 x_array[i + num_dofs] = (1. / (ny * 2)) * (CeedScalar)(i / (nx * 2 + 1)); 35 } 36 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_COPY_VALUES, x_array); 37 } 38 CeedVectorCreate(ceed, num_qpts, &q_data); 39 CeedVectorCreate(ceed, num_dofs, &u); 40 CeedVectorCreate(ceed, num_dofs, &v); 41 42 // Restrictions 43 for (CeedInt i = 0; i < num_elem / 2; i++) { 44 col = i % nx; 45 row = i / nx; 46 offset = col * 2 + row * (nx * 2 + 1) * 2; 47 48 ind_x[i * 2 * p + 0] = 2 + offset; 49 ind_x[i * 2 * p + 1] = 9 + offset; 50 ind_x[i * 2 * p + 2] = 16 + offset; 51 ind_x[i * 2 * p + 3] = 1 + offset; 52 ind_x[i * 2 * p + 4] = 8 + offset; 53 ind_x[i * 2 * p + 5] = 0 + offset; 54 55 ind_x[i * 2 * p + 6] = 14 + offset; 56 ind_x[i * 2 * p + 7] = 7 + offset; 57 ind_x[i * 2 * p + 8] = 0 + offset; 58 ind_x[i * 2 * p + 9] = 15 + offset; 59 ind_x[i * 2 * p + 10] = 8 + offset; 60 ind_x[i * 2 * p + 11] = 16 + offset; 61 } 62 CeedElemRestrictionCreate(ceed, num_elem, p, dim, num_dofs, dim * num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, &elem_restriction_x); 63 CeedElemRestrictionCreate(ceed, num_elem, p, 1, 1, num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, &elem_restriction_u); 64 65 CeedInt strides_q_data[3] = {1, q, q}; 66 CeedElemRestrictionCreateStrided(ceed, num_elem, q, 1, num_qpts, strides_q_data, &elem_restriction_q_data); 67 68 // Bases 69 Build2DSimplex(q_ref, q_weight, interp, grad); 70 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, dim, p, q, interp, grad, q_ref, q_weight, &basis_x); 71 72 Build2DSimplex(q_ref, q_weight, interp, grad); 73 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, 1, p, q, interp, grad, q_ref, q_weight, &basis_u); 74 75 // QFunctions 76 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 77 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT); 78 CeedQFunctionAddInput(qf_setup, "x", dim * dim, CEED_EVAL_GRAD); 79 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 80 81 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 82 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 83 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 84 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 85 86 // Operators 87 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup); 88 CeedOperatorSetField(op_setup, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, CEED_VECTOR_NONE); 89 CeedOperatorSetField(op_setup, "x", elem_restriction_x, basis_x, CEED_VECTOR_ACTIVE); 90 CeedOperatorSetField(op_setup, "rho", elem_restriction_q_data, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 91 92 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass); 93 CeedOperatorSetField(op_mass, "rho", elem_restriction_q_data, CEED_BASIS_COLLOCATED, q_data); 94 CeedOperatorSetField(op_mass, "u", elem_restriction_u, basis_u, CEED_VECTOR_ACTIVE); 95 CeedOperatorSetField(op_mass, "v", elem_restriction_u, basis_u, CEED_VECTOR_ACTIVE); 96 97 CeedOperatorApply(op_setup, x, q_data, CEED_REQUEST_IMMEDIATE); 98 99 CeedVectorSetValue(u, 1.0); 100 CeedOperatorApply(op_mass, u, v, CEED_REQUEST_IMMEDIATE); 101 102 // Check output 103 { 104 const CeedScalar *v_array; 105 CeedScalar sum = 0.; 106 107 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &v_array); 108 for (CeedInt i = 0; i < num_dofs; i++) sum += v_array[i]; 109 CeedVectorRestoreArrayRead(v, &v_array); 110 if (fabs(sum - 1.) > 1000. * CEED_EPSILON) printf("Computed Area: %f != True Area: 1.0\n", sum); 111 } 112 113 CeedVectorDestroy(&x); 114 CeedVectorDestroy(&u); 115 CeedVectorDestroy(&v); 116 CeedVectorDestroy(&q_data); 117 CeedElemRestrictionDestroy(&elem_restriction_u); 118 CeedElemRestrictionDestroy(&elem_restriction_x); 119 CeedElemRestrictionDestroy(&elem_restriction_q_data); 120 CeedBasisDestroy(&basis_u); 121 CeedBasisDestroy(&basis_x); 122 CeedQFunctionDestroy(&qf_setup); 123 CeedQFunctionDestroy(&qf_mass); 124 CeedOperatorDestroy(&op_setup); 125 CeedOperatorDestroy(&op_mass); 126 CeedDestroy(&ceed); 127 return 0; 128 } 129