1 /// @file 2 /// Test assembly of mass and Poisson operator QFunction 3 /// \test Test assembly of mass and Poisson operator QFunction 4 #include <ceed.h> 5 #include <stdlib.h> 6 #include <math.h> 7 #include "t532-operator.h" 8 9 int main(int argc, char **argv) { 10 Ceed ceed; 11 CeedInterlaceMode imode = CEED_NONINTERLACED; 12 CeedElemRestriction Erestrictx, Erestrictu, 13 Erestrictxi, Erestrictui, 14 Erestrictqi, Erestrictlini; 15 CeedBasis bx, bu; 16 CeedQFunction qf_setup_mass, qf_setup_diff, qf_apply, qf_apply_lin; 17 CeedOperator op_setup_mass, op_setup_diff, op_apply, op_apply_lin; 18 CeedVector qdata_mass, qdata_diff, X, A, u, v; 19 CeedInt nelem = 6, P = 3, Q = 4, dim = 2; 20 CeedInt nx = 3, ny = 2; 21 CeedInt ndofs = (nx*2+1)*(ny*2+1), nqpts = nelem*Q*Q; 22 CeedInt indx[nelem*P*P]; 23 CeedScalar x[dim*ndofs]; 24 25 CeedInit(argv[1], &ceed); 26 27 // DoF Coordinates 28 for (CeedInt i=0; i<nx*2+1; i++) 29 for (CeedInt j=0; j<ny*2+1; j++) { 30 x[i+j*(nx*2+1)+0*ndofs] = (CeedScalar) i / (2*nx); 31 x[i+j*(nx*2+1)+1*ndofs] = (CeedScalar) j / (2*ny); 32 } 33 CeedVectorCreate(ceed, dim*ndofs, &X); 34 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 35 36 // Qdata Vectors 37 CeedVectorCreate(ceed, nqpts, &qdata_mass); 38 CeedVectorCreate(ceed, nqpts*dim*(dim+1)/2, &qdata_diff); 39 40 // Element Setup 41 for (CeedInt i=0; i<nelem; i++) { 42 CeedInt col, row, offset; 43 col = i % nx; 44 row = i / nx; 45 offset = col*(P-1) + row*(nx*2+1)*(P-1); 46 for (CeedInt j=0; j<P; j++) 47 for (CeedInt k=0; k<P; k++) 48 indx[P*(P*i+k)+j] = offset + k*(nx*2+1) + j; 49 } 50 51 // Restrictions 52 CeedElemRestrictionCreate(ceed, imode, nelem, P*P, ndofs, dim, CEED_MEM_HOST, 53 CEED_USE_POINTER, indx, &Erestrictx); 54 CeedInt stridesx[3] = {1, P*P, P *P*dim}; 55 CeedElemRestrictionCreateStrided(ceed, nelem, P*P, nelem*P*P, dim, stridesx, 56 &Erestrictxi); 57 58 CeedElemRestrictionCreate(ceed, imode, nelem, P*P, ndofs, 1, CEED_MEM_HOST, 59 CEED_USE_POINTER, indx, &Erestrictu); 60 CeedInt stridesu[3] = {1, Q*Q, Q*Q}; 61 CeedElemRestrictionCreateStrided(ceed, nelem, Q*Q, nqpts, 1, stridesu, 62 &Erestrictui); 63 64 CeedInt stridesqd[3] = {1, Q*Q, Q *Q *dim *(dim+1)/2}; 65 CeedElemRestrictionCreateStrided(ceed, nelem, Q*Q, nqpts, dim*(dim+1)/2, 66 stridesqd, &Erestrictqi); 67 68 // Bases 69 CeedBasisCreateTensorH1Lagrange(ceed, dim, dim, P, Q, CEED_GAUSS, &bx); 70 CeedBasisCreateTensorH1Lagrange(ceed, dim, 1, P, Q, CEED_GAUSS, &bu); 71 72 // QFunction - setup mass 73 CeedQFunctionCreateInterior(ceed, 1, setup_mass, setup_mass_loc, 74 &qf_setup_mass); 75 CeedQFunctionAddInput(qf_setup_mass, "dx", dim*dim, CEED_EVAL_GRAD); 76 CeedQFunctionAddInput(qf_setup_mass, "_weight", 1, CEED_EVAL_WEIGHT); 77 CeedQFunctionAddOutput(qf_setup_mass, "qdata", 1, CEED_EVAL_NONE); 78 79 // Operator - setup mass 80 CeedOperatorCreate(ceed, qf_setup_mass, CEED_QFUNCTION_NONE, 81 CEED_QFUNCTION_NONE, &op_setup_mass); 82 CeedOperatorSetField(op_setup_mass, "dx", Erestrictx, bx, CEED_VECTOR_ACTIVE); 83 CeedOperatorSetField(op_setup_mass, "_weight", Erestrictxi, bx, 84 CEED_VECTOR_NONE); 85 CeedOperatorSetField(op_setup_mass, "qdata", Erestrictui, 86 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 87 88 // QFunction - setup diff 89 CeedQFunctionCreateInterior(ceed, 1, setup_diff, setup_diff_loc, 90 &qf_setup_diff); 91 CeedQFunctionAddInput(qf_setup_diff, "dx", dim*dim, CEED_EVAL_GRAD); 92 CeedQFunctionAddInput(qf_setup_diff, "_weight", 1, CEED_EVAL_WEIGHT); 93 CeedQFunctionAddOutput(qf_setup_diff, "qdata", dim*(dim+1)/2, CEED_EVAL_NONE); 94 95 // Operator - setup diff 96 CeedOperatorCreate(ceed, qf_setup_diff, CEED_QFUNCTION_NONE, 97 CEED_QFUNCTION_NONE, &op_setup_diff); 98 CeedOperatorSetField(op_setup_diff, "dx", Erestrictx, bx, CEED_VECTOR_ACTIVE); 99 CeedOperatorSetField(op_setup_diff, "_weight", Erestrictxi, bx, 100 CEED_VECTOR_NONE); 101 CeedOperatorSetField(op_setup_diff, "qdata", Erestrictqi, 102 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 103 104 // Apply Setup Operators 105 CeedOperatorApply(op_setup_mass, X, qdata_mass, CEED_REQUEST_IMMEDIATE); 106 CeedOperatorApply(op_setup_diff, X, qdata_diff, CEED_REQUEST_IMMEDIATE); 107 108 // QFunction - apply 109 CeedQFunctionCreateInterior(ceed, 1, apply, apply_loc, &qf_apply); 110 CeedQFunctionAddInput(qf_apply, "du", dim, CEED_EVAL_GRAD); 111 CeedQFunctionAddInput(qf_apply, "qdata_mass", 1, CEED_EVAL_NONE); 112 CeedQFunctionAddInput(qf_apply, "qdata_diff", dim*(dim+1)/2, CEED_EVAL_NONE); 113 CeedQFunctionAddInput(qf_apply, "u", 1, CEED_EVAL_INTERP); 114 CeedQFunctionAddOutput(qf_apply, "v", 1, CEED_EVAL_INTERP); 115 CeedQFunctionAddOutput(qf_apply, "dv", dim, CEED_EVAL_GRAD); 116 117 // Operator - apply 118 CeedOperatorCreate(ceed, qf_apply, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 119 &op_apply); 120 CeedOperatorSetField(op_apply, "du", Erestrictu, bu, CEED_VECTOR_ACTIVE); 121 CeedOperatorSetField(op_apply, "qdata_mass", Erestrictui, 122 CEED_BASIS_COLLOCATED, qdata_mass); 123 CeedOperatorSetField(op_apply, "qdata_diff", Erestrictqi, 124 CEED_BASIS_COLLOCATED, qdata_diff); 125 CeedOperatorSetField(op_apply, "u", Erestrictu, bu, CEED_VECTOR_ACTIVE); 126 CeedOperatorSetField(op_apply, "v", Erestrictu, bu, CEED_VECTOR_ACTIVE); 127 CeedOperatorSetField(op_apply, "dv", Erestrictu, bu, CEED_VECTOR_ACTIVE); 128 129 // Apply original operator 130 CeedVectorCreate(ceed, ndofs, &u); 131 CeedVectorSetValue(u, 1.0); 132 CeedVectorCreate(ceed, ndofs, &v); 133 CeedVectorSetValue(v, 0.0); 134 CeedOperatorApply(op_apply, u, v, CEED_REQUEST_IMMEDIATE); 135 136 // Check output 137 CeedScalar area = 0.0; 138 const CeedScalar *vv; 139 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &vv); 140 for (CeedInt i=0; i<ndofs; i++) 141 area += vv[i]; 142 CeedVectorRestoreArrayRead(v, &vv); 143 if (fabs(area - 1.0) > 1e-14) 144 // LCOV_EXCL_START 145 printf("Error: True operator computed area = %f != 1.0\n", area); 146 // LCOV_EXCL_STOP 147 148 // Assemble QFunction 149 CeedOperatorAssembleLinearQFunction(op_apply, &A, &Erestrictlini, 150 CEED_REQUEST_IMMEDIATE); 151 152 // QFunction - apply assembled 153 CeedQFunctionCreateInterior(ceed, 1, apply_lin, apply_lin_loc, &qf_apply_lin); 154 CeedQFunctionAddInput(qf_apply_lin, "du", dim, CEED_EVAL_GRAD); 155 CeedQFunctionAddInput(qf_apply_lin, "qdata", (dim+1)*(dim+1), CEED_EVAL_NONE); 156 CeedQFunctionAddInput(qf_apply_lin, "u", 1, CEED_EVAL_INTERP); 157 CeedQFunctionAddOutput(qf_apply_lin, "v", 1, CEED_EVAL_INTERP); 158 CeedQFunctionAddOutput(qf_apply_lin, "dv", dim, CEED_EVAL_GRAD); 159 160 // Operator - apply assembled 161 CeedOperatorCreate(ceed, qf_apply_lin, CEED_QFUNCTION_NONE, 162 CEED_QFUNCTION_NONE, &op_apply_lin); 163 CeedOperatorSetField(op_apply_lin, "du", Erestrictu, bu, CEED_VECTOR_ACTIVE); 164 CeedOperatorSetField(op_apply_lin, "qdata", Erestrictlini, 165 CEED_BASIS_COLLOCATED, A); 166 CeedOperatorSetField(op_apply_lin, "u", Erestrictu, bu, CEED_VECTOR_ACTIVE); 167 CeedOperatorSetField(op_apply_lin, "v", Erestrictu, bu, CEED_VECTOR_ACTIVE); 168 CeedOperatorSetField(op_apply_lin, "dv", Erestrictu, bu, CEED_VECTOR_ACTIVE); 169 170 // Apply assembled QFunction operator 171 CeedVectorSetValue(v, 0.0); 172 CeedOperatorApply(op_apply_lin, u, v, CEED_REQUEST_IMMEDIATE); 173 174 // Check output 175 area = 0.0; 176 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &vv); 177 for (CeedInt i=0; i<ndofs; i++) 178 area += vv[i]; 179 CeedVectorRestoreArrayRead(v, &vv); 180 if (fabs(area - 1.0) > 1e-14) 181 // LCOV_EXCL_START 182 printf("Error: Assembled operator computed area = %f != 1.0\n", area); 183 // LCOV_EXCL_STOP 184 185 // Cleanup 186 CeedQFunctionDestroy(&qf_setup_mass); 187 CeedQFunctionDestroy(&qf_setup_diff); 188 CeedQFunctionDestroy(&qf_apply); 189 CeedQFunctionDestroy(&qf_apply_lin); 190 CeedOperatorDestroy(&op_setup_mass); 191 CeedOperatorDestroy(&op_setup_diff); 192 CeedOperatorDestroy(&op_apply); 193 CeedOperatorDestroy(&op_apply_lin); 194 CeedElemRestrictionDestroy(&Erestrictu); 195 CeedElemRestrictionDestroy(&Erestrictx); 196 CeedElemRestrictionDestroy(&Erestrictui); 197 CeedElemRestrictionDestroy(&Erestrictxi); 198 CeedElemRestrictionDestroy(&Erestrictqi); 199 CeedElemRestrictionDestroy(&Erestrictlini); 200 CeedBasisDestroy(&bu); 201 CeedBasisDestroy(&bx); 202 CeedVectorDestroy(&X); 203 CeedVectorDestroy(&A); 204 CeedVectorDestroy(&qdata_mass); 205 CeedVectorDestroy(&qdata_diff); 206 CeedVectorDestroy(&u); 207 CeedVectorDestroy(&v); 208 CeedDestroy(&ceed); 209 return 0; 210 } 211