1 /// @file 2 /// Test creation, action, and destruction for mass matrix operator with multigrid level, non-tensor basis and interpolation basis generation 3 /// \test Test creation, action, and destruction for mass matrix operator with multigrid level, non-tensor basis and interpolation basis generation 4 #include <ceed.h> 5 #include <math.h> 6 #include <stdio.h> 7 #include <stdlib.h> 8 9 #include "t502-operator.h" 10 11 int main(int argc, char **argv) { 12 Ceed ceed; 13 CeedElemRestriction elem_restriction_x, elem_restriction_q_data, elem_restriction_u_coarse, elem_restriction_u_fine; 14 CeedBasis basis_x, basis_coarse, basis_fine; 15 CeedQFunction qf_setup, qf_mass; 16 CeedOperator op_setup, op_mass_coarse, op_mass_fine, op_prolong, op_restrict; 17 CeedVector q_data, x, u_coarse, u_fine, v_coarse, v_fine, p_mult_fine; 18 CeedInt num_elem = 15, p_coarse = 3, p_fine = 5, q = 8, num_comp = 2; 19 CeedInt num_dofs_x = num_elem + 1, num_dofs_u_c = num_elem * (p_coarse - 1) + 1, num_dofs_u_f = num_elem * (p_fine - 1) + 1; 20 CeedInt ind_u_coarse[num_elem * p_coarse], ind_u_fine[num_elem * p_fine], ind_x[num_elem * 2]; 21 22 CeedInit(argv[1], &ceed); 23 24 CeedVectorCreate(ceed, num_dofs_x, &x); 25 { 26 CeedScalar x_array[num_dofs_x]; 27 28 for (CeedInt i = 0; i < num_dofs_x; i++) x_array[i] = (CeedScalar)i / (num_dofs_x - 1); 29 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_COPY_VALUES, x_array); 30 } 31 CeedVectorCreate(ceed, num_comp * num_dofs_u_f, &p_mult_fine); 32 CeedVectorCreate(ceed, num_comp * num_dofs_u_c, &u_coarse); 33 CeedVectorCreate(ceed, num_comp * num_dofs_u_f, &u_fine); 34 CeedVectorCreate(ceed, num_comp * num_dofs_u_c, &v_coarse); 35 CeedVectorCreate(ceed, num_comp * num_dofs_u_f, &v_fine); 36 CeedVectorCreate(ceed, num_elem * q, &q_data); 37 38 // Restrictions 39 for (CeedInt i = 0; i < num_elem; i++) { 40 ind_x[2 * i + 0] = i; 41 ind_x[2 * i + 1] = i + 1; 42 } 43 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, num_dofs_x, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, &elem_restriction_x); 44 45 for (CeedInt i = 0; i < num_elem; i++) { 46 for (CeedInt j = 0; j < p_coarse; j++) { 47 ind_u_coarse[p_coarse * i + j] = i * (p_coarse - 1) + j; 48 } 49 } 50 CeedElemRestrictionCreate(ceed, num_elem, p_coarse, num_comp, num_dofs_u_c, num_comp * num_dofs_u_c, CEED_MEM_HOST, CEED_USE_POINTER, ind_u_coarse, 51 &elem_restriction_u_coarse); 52 53 for (CeedInt i = 0; i < num_elem; i++) { 54 for (CeedInt j = 0; j < p_fine; j++) { 55 ind_u_fine[p_fine * i + j] = i * (p_fine - 1) + j; 56 } 57 } 58 CeedElemRestrictionCreate(ceed, num_elem, p_fine, num_comp, num_dofs_u_f, num_comp * num_dofs_u_f, CEED_MEM_HOST, CEED_USE_POINTER, ind_u_fine, 59 &elem_restriction_u_fine); 60 61 CeedInt strides_q_data[3] = {1, q, q}; 62 CeedElemRestrictionCreateStrided(ceed, num_elem, q, 1, q * num_elem, strides_q_data, &elem_restriction_q_data); 63 64 // Bases 65 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, q, CEED_GAUSS, &basis_x); 66 { 67 CeedBasis basis_temporary; 68 69 CeedBasisCreateTensorH1Lagrange(ceed, 1, num_comp, p_coarse, q, CEED_GAUSS, &basis_temporary); 70 const CeedScalar *interp, *grad, *q_ref, *q_weight; 71 CeedBasisGetInterp1D(basis_temporary, &interp); 72 CeedBasisGetGrad1D(basis_temporary, &grad); 73 CeedBasisGetQRef(basis_temporary, &q_ref); 74 CeedBasisGetQWeights(basis_temporary, &q_weight); 75 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_LINE, num_comp, p_coarse, q, interp, grad, q_ref, q_weight, &basis_coarse); 76 CeedBasisDestroy(&basis_temporary); 77 CeedBasisCreateTensorH1Lagrange(ceed, 1, num_comp, p_fine, q, CEED_GAUSS, &basis_temporary); 78 CeedBasisGetInterp1D(basis_temporary, &interp); 79 CeedBasisGetGrad1D(basis_temporary, &grad); 80 CeedBasisGetQRef(basis_temporary, &q_ref); 81 CeedBasisGetQWeights(basis_temporary, &q_weight); 82 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_LINE, num_comp, p_fine, q, interp, grad, q_ref, q_weight, &basis_fine); 83 CeedBasisDestroy(&basis_temporary); 84 } 85 86 // QFunctions 87 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 88 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT); 89 CeedQFunctionAddInput(qf_setup, "dx", 1 * 1, CEED_EVAL_GRAD); 90 CeedQFunctionAddOutput(qf_setup, "q data", 1, CEED_EVAL_NONE); 91 92 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 93 CeedQFunctionAddInput(qf_mass, "q data", 1, CEED_EVAL_NONE); 94 CeedQFunctionAddInput(qf_mass, "u", num_comp, CEED_EVAL_INTERP); 95 CeedQFunctionAddOutput(qf_mass, "v", num_comp, CEED_EVAL_INTERP); 96 97 // Operators 98 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup); 99 CeedOperatorSetField(op_setup, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, CEED_VECTOR_NONE); 100 CeedOperatorSetField(op_setup, "dx", elem_restriction_x, basis_x, CEED_VECTOR_ACTIVE); 101 CeedOperatorSetField(op_setup, "q data", elem_restriction_q_data, CEED_BASIS_NONE, CEED_VECTOR_ACTIVE); 102 103 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass_fine); 104 CeedOperatorSetField(op_mass_fine, "q data", elem_restriction_q_data, CEED_BASIS_NONE, q_data); 105 CeedOperatorSetField(op_mass_fine, "u", elem_restriction_u_fine, basis_fine, CEED_VECTOR_ACTIVE); 106 CeedOperatorSetField(op_mass_fine, "v", elem_restriction_u_fine, basis_fine, CEED_VECTOR_ACTIVE); 107 108 CeedOperatorApply(op_setup, x, q_data, CEED_REQUEST_IMMEDIATE); 109 110 // Create multigrid level 111 CeedVectorSetValue(p_mult_fine, 1.0); 112 CeedOperatorMultigridLevelCreate(op_mass_fine, p_mult_fine, elem_restriction_u_coarse, basis_coarse, &op_mass_coarse, &op_prolong, &op_restrict); 113 114 // Coarse problem 115 CeedVectorSetValue(u_coarse, 1.0); 116 CeedOperatorApply(op_mass_coarse, u_coarse, v_coarse, CEED_REQUEST_IMMEDIATE); 117 118 // Check output 119 { 120 const CeedScalar *v_array; 121 CeedScalar sum = 0.; 122 123 CeedVectorGetArrayRead(v_coarse, CEED_MEM_HOST, &v_array); 124 for (CeedInt i = 0; i < num_comp * num_dofs_u_c; i++) { 125 sum += v_array[i]; 126 } 127 CeedVectorRestoreArrayRead(v_coarse, &v_array); 128 if (fabs(sum - 2.) > 1000. * CEED_EPSILON) printf("Computed Area Coarse Grid: %f != True Area: 2.0\n", sum); 129 } 130 131 // Prolong coarse u 132 CeedOperatorApply(op_prolong, u_coarse, u_fine, CEED_REQUEST_IMMEDIATE); 133 134 // Fine problem 135 CeedOperatorApply(op_mass_fine, u_fine, v_fine, CEED_REQUEST_IMMEDIATE); 136 137 // Check output 138 { 139 const CeedScalar *v_array; 140 CeedScalar sum = 0.; 141 142 CeedVectorGetArrayRead(v_fine, CEED_MEM_HOST, &v_array); 143 for (CeedInt i = 0; i < num_comp * num_dofs_u_f; i++) { 144 sum += v_array[i]; 145 } 146 CeedVectorRestoreArrayRead(v_fine, &v_array); 147 if (fabs(sum - 2.) > 1000. * CEED_EPSILON) printf("Computed Area Fine Grid: %f != True Area: 2.0\n", sum); 148 } 149 150 // Restrict state to coarse grid 151 CeedOperatorApply(op_restrict, v_fine, v_coarse, CEED_REQUEST_IMMEDIATE); 152 153 // Check output 154 { 155 const CeedScalar *v_array; 156 CeedScalar sum = 0.; 157 158 CeedVectorGetArrayRead(v_coarse, CEED_MEM_HOST, &v_array); 159 for (CeedInt i = 0; i < num_comp * num_dofs_u_c; i++) { 160 sum += v_array[i]; 161 } 162 CeedVectorRestoreArrayRead(v_coarse, &v_array); 163 if (fabs(sum - 2.) > 1000. * CEED_EPSILON) printf("Computed Area Coarse Grid: %f != True Area: 2.0\n", sum); 164 } 165 166 // Cleanup 167 CeedVectorDestroy(&x); 168 CeedVectorDestroy(&u_coarse); 169 CeedVectorDestroy(&u_fine); 170 CeedVectorDestroy(&v_coarse); 171 CeedVectorDestroy(&v_fine); 172 CeedVectorDestroy(&p_mult_fine); 173 CeedVectorDestroy(&q_data); 174 CeedElemRestrictionDestroy(&elem_restriction_u_coarse); 175 CeedElemRestrictionDestroy(&elem_restriction_u_fine); 176 CeedElemRestrictionDestroy(&elem_restriction_x); 177 CeedElemRestrictionDestroy(&elem_restriction_q_data); 178 CeedBasisDestroy(&basis_coarse); 179 CeedBasisDestroy(&basis_fine); 180 CeedBasisDestroy(&basis_x); 181 CeedQFunctionDestroy(&qf_setup); 182 CeedQFunctionDestroy(&qf_mass); 183 CeedOperatorDestroy(&op_setup); 184 CeedOperatorDestroy(&op_mass_coarse); 185 CeedOperatorDestroy(&op_mass_fine); 186 CeedOperatorDestroy(&op_prolong); 187 CeedOperatorDestroy(&op_restrict); 188 CeedDestroy(&ceed); 189 return 0; 190 } 191