1 /// @file 2 /// Test creation, action, and destruction for mass matrix operator with multigrid level, tensor basis 3 /// \test Test creation, action, and destruction for mass matrix operator with multigrid level, tensor basis 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_restr_coarse_fine; 13 CeedBasis basis_x, basis_u; 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_coarse = num_elem * (p_coarse - 1) + 1, num_dofs_u_fine = 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_fine, &p_mult_fine); 31 CeedVectorCreate(ceed, num_comp * num_dofs_u_coarse, &u_coarse); 32 CeedVectorCreate(ceed, num_comp * num_dofs_u_coarse, &v_coarse); 33 CeedVectorCreate(ceed, num_comp * num_dofs_u_fine, &u_fine); 34 CeedVectorCreate(ceed, num_comp * num_dofs_u_fine, &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_coarse, num_comp * num_dofs_u_coarse, CEED_MEM_HOST, CEED_USE_POINTER, 50 ind_u_coarse, &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_fine, num_comp * num_dofs_u_fine, CEED_MEM_HOST, CEED_USE_POINTER, 58 ind_u_fine, &elem_restr_coarse_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 CeedBasisCreateTensorH1Lagrange(ceed, 1, num_comp, p_fine, q, CEED_GAUSS, &basis_u); 66 67 // QFunctions 68 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 69 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT); 70 CeedQFunctionAddInput(qf_setup, "dx", 1 * 1, CEED_EVAL_GRAD); 71 CeedQFunctionAddOutput(qf_setup, "q data", 1, CEED_EVAL_NONE); 72 73 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 74 CeedQFunctionAddInput(qf_mass, "q data", 1, CEED_EVAL_NONE); 75 CeedQFunctionAddInput(qf_mass, "u", num_comp, CEED_EVAL_INTERP); 76 CeedQFunctionAddOutput(qf_mass, "v", num_comp, CEED_EVAL_INTERP); 77 78 // Operators 79 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup); 80 CeedOperatorSetField(op_setup, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, CEED_VECTOR_NONE); 81 CeedOperatorSetField(op_setup, "dx", elem_restriction_x, basis_x, CEED_VECTOR_ACTIVE); 82 CeedOperatorSetField(op_setup, "q data", elem_restriction_q_data, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 83 84 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass_fine); 85 CeedOperatorSetField(op_mass_fine, "q data", elem_restriction_q_data, CEED_BASIS_COLLOCATED, q_data); 86 CeedOperatorSetField(op_mass_fine, "u", elem_restr_coarse_fine, basis_u, CEED_VECTOR_ACTIVE); 87 CeedOperatorSetField(op_mass_fine, "v", elem_restr_coarse_fine, basis_u, CEED_VECTOR_ACTIVE); 88 89 CeedOperatorApply(op_setup, x, q_data, CEED_REQUEST_IMMEDIATE); 90 91 // Create multigrid level 92 CeedVectorSetValue(p_mult_fine, 1.0); 93 CeedBasis basis_u_coarse, basis_coarse_to_fine; 94 CeedBasisCreateTensorH1Lagrange(ceed, 1, num_comp, p_coarse, q, CEED_GAUSS, &basis_u_coarse); 95 CeedBasisCreateTensorH1Lagrange(ceed, 1, num_comp, p_coarse, p_fine, CEED_GAUSS_LOBATTO, &basis_coarse_to_fine); 96 const CeedScalar *interp_coarse_to_fine; 97 CeedBasisGetInterp1D(basis_coarse_to_fine, &interp_coarse_to_fine); 98 CeedOperatorMultigridLevelCreateTensorH1(op_mass_fine, p_mult_fine, elem_restriction_u_coarse, basis_u_coarse, interp_coarse_to_fine, 99 &op_mass_coarse, &op_prolong, &op_restrict); 100 101 // Coarse problem 102 CeedVectorSetValue(u_coarse, 1.0); 103 CeedOperatorApply(op_mass_coarse, u_coarse, v_coarse, CEED_REQUEST_IMMEDIATE); 104 105 // Check output 106 { 107 const CeedScalar *v_array; 108 CeedScalar sum = 0.; 109 110 CeedVectorGetArrayRead(v_coarse, CEED_MEM_HOST, &v_array); 111 for (CeedInt i = 0; i < num_comp * num_dofs_u_coarse; i++) { 112 sum += v_array[i]; 113 } 114 CeedVectorRestoreArrayRead(v_coarse, &v_array); 115 if (fabs(sum - 2.) > 1000. * CEED_EPSILON) printf("Computed Area Coarse Grid: %f != True Area: 2.0\n", sum); 116 } 117 118 // Prolong coarse u 119 CeedOperatorApply(op_prolong, u_coarse, u_fine, CEED_REQUEST_IMMEDIATE); 120 121 // Fine problem 122 CeedOperatorApply(op_mass_fine, u_fine, v_fine, CEED_REQUEST_IMMEDIATE); 123 124 // Check output 125 { 126 const CeedScalar *v_array; 127 CeedScalar sum = 0.; 128 CeedVectorGetArrayRead(v_fine, CEED_MEM_HOST, &v_array); 129 for (CeedInt i = 0; i < num_comp * num_dofs_u_fine; i++) { 130 sum += v_array[i]; 131 } 132 CeedVectorRestoreArrayRead(v_fine, &v_array); 133 if (fabs(sum - 2.) > 1000. * CEED_EPSILON) printf("Computed Area Fine Grid: %f != True Area: 2.0\n", sum); 134 } 135 136 // Restrict state to coarse grid 137 CeedOperatorApply(op_restrict, v_fine, v_coarse, CEED_REQUEST_IMMEDIATE); 138 139 // Check output 140 { 141 const CeedScalar *v_array; 142 CeedScalar sum = 0.; 143 CeedVectorGetArrayRead(v_coarse, CEED_MEM_HOST, &v_array); 144 sum = 0.; 145 for (CeedInt i = 0; i < num_comp * num_dofs_u_coarse; i++) { 146 sum += v_array[i]; 147 } 148 CeedVectorRestoreArrayRead(v_coarse, &v_array); 149 if (fabs(sum - 2.) > 1000. * CEED_EPSILON) printf("Computed Area Coarse Grid: %f != True Area: 2.0\n", sum); 150 } 151 152 // Cleanup 153 CeedVectorDestroy(&x); 154 CeedVectorDestroy(&u_coarse); 155 CeedVectorDestroy(&u_fine); 156 CeedVectorDestroy(&v_coarse); 157 CeedVectorDestroy(&v_fine); 158 CeedVectorDestroy(&p_mult_fine); 159 CeedVectorDestroy(&q_data); 160 CeedElemRestrictionDestroy(&elem_restriction_u_coarse); 161 CeedElemRestrictionDestroy(&elem_restr_coarse_fine); 162 CeedElemRestrictionDestroy(&elem_restriction_x); 163 CeedElemRestrictionDestroy(&elem_restriction_q_data); 164 CeedBasisDestroy(&basis_u); 165 CeedBasisDestroy(&basis_x); 166 CeedQFunctionDestroy(&qf_setup); 167 CeedQFunctionDestroy(&qf_mass); 168 CeedOperatorDestroy(&op_setup); 169 CeedOperatorDestroy(&op_mass_coarse); 170 CeedOperatorDestroy(&op_mass_fine); 171 CeedOperatorDestroy(&op_prolong); 172 CeedOperatorDestroy(&op_restrict); 173 CeedDestroy(&ceed); 174 return 0; 175 } 176