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