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 CeedElemRestrictionCreateIdentity(ceed, imode, nelem, P*P, nelem*P*P, dim, 55 &Erestrictxi); 56 57 CeedElemRestrictionCreate(ceed, imode, nelem, P*P, ndofs, 1, CEED_MEM_HOST, 58 CEED_USE_POINTER, indx, &Erestrictu); 59 CeedElemRestrictionCreateIdentity(ceed, imode, nelem, Q*Q, nqpts, 1, 60 &Erestrictui); 61 62 CeedElemRestrictionCreateIdentity(ceed, imode, nelem, Q*Q, nqpts, 63 dim*(dim+1)/2, &Erestrictqi); 64 65 // Bases 66 CeedBasisCreateTensorH1Lagrange(ceed, dim, dim, P, Q, CEED_GAUSS, &bx); 67 CeedBasisCreateTensorH1Lagrange(ceed, dim, 1, P, Q, CEED_GAUSS, &bu); 68 69 // QFunction - setup mass 70 CeedQFunctionCreateInterior(ceed, 1, setup_mass, setup_mass_loc, 71 &qf_setup_mass); 72 CeedQFunctionAddInput(qf_setup_mass, "dx", dim*dim, CEED_EVAL_GRAD); 73 CeedQFunctionAddInput(qf_setup_mass, "_weight", 1, CEED_EVAL_WEIGHT); 74 CeedQFunctionAddOutput(qf_setup_mass, "qdata", 1, CEED_EVAL_NONE); 75 76 // Operator - setup mass 77 CeedOperatorCreate(ceed, qf_setup_mass, CEED_QFUNCTION_NONE, 78 CEED_QFUNCTION_NONE, &op_setup_mass); 79 CeedOperatorSetField(op_setup_mass, "dx", Erestrictx, bx, CEED_VECTOR_ACTIVE); 80 CeedOperatorSetField(op_setup_mass, "_weight", Erestrictxi, bx, 81 CEED_VECTOR_NONE); 82 CeedOperatorSetField(op_setup_mass, "qdata", Erestrictui, 83 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 84 85 // QFunction - setup diff 86 CeedQFunctionCreateInterior(ceed, 1, setup_diff, setup_diff_loc, 87 &qf_setup_diff); 88 CeedQFunctionAddInput(qf_setup_diff, "dx", dim*dim, CEED_EVAL_GRAD); 89 CeedQFunctionAddInput(qf_setup_diff, "_weight", 1, CEED_EVAL_WEIGHT); 90 CeedQFunctionAddOutput(qf_setup_diff, "qdata", dim*(dim+1)/2, CEED_EVAL_NONE); 91 92 // Operator - setup diff 93 CeedOperatorCreate(ceed, qf_setup_diff, CEED_QFUNCTION_NONE, 94 CEED_QFUNCTION_NONE, &op_setup_diff); 95 CeedOperatorSetField(op_setup_diff, "dx", Erestrictx, bx, CEED_VECTOR_ACTIVE); 96 CeedOperatorSetField(op_setup_diff, "_weight", Erestrictxi, bx, 97 CEED_VECTOR_NONE); 98 CeedOperatorSetField(op_setup_diff, "qdata", Erestrictqi, 99 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 100 101 // Apply Setup Operators 102 CeedOperatorApply(op_setup_mass, X, qdata_mass, CEED_REQUEST_IMMEDIATE); 103 CeedOperatorApply(op_setup_diff, X, qdata_diff, CEED_REQUEST_IMMEDIATE); 104 105 // QFunction - apply 106 CeedQFunctionCreateInterior(ceed, 1, apply, apply_loc, &qf_apply); 107 CeedQFunctionAddInput(qf_apply, "du", dim, CEED_EVAL_GRAD); 108 CeedQFunctionAddInput(qf_apply, "qdata_mass", 1, CEED_EVAL_NONE); 109 CeedQFunctionAddInput(qf_apply, "qdata_diff", dim*(dim+1)/2, CEED_EVAL_NONE); 110 CeedQFunctionAddInput(qf_apply, "u", 1, CEED_EVAL_INTERP); 111 CeedQFunctionAddOutput(qf_apply, "v", 1, CEED_EVAL_INTERP); 112 CeedQFunctionAddOutput(qf_apply, "dv", dim, CEED_EVAL_GRAD); 113 114 // Operator - apply 115 CeedOperatorCreate(ceed, qf_apply, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 116 &op_apply); 117 CeedOperatorSetField(op_apply, "du", Erestrictu, bu, CEED_VECTOR_ACTIVE); 118 CeedOperatorSetField(op_apply, "qdata_mass", Erestrictui, 119 CEED_BASIS_COLLOCATED, qdata_mass); 120 CeedOperatorSetField(op_apply, "qdata_diff", Erestrictqi, 121 CEED_BASIS_COLLOCATED, qdata_diff); 122 CeedOperatorSetField(op_apply, "u", Erestrictu, bu, CEED_VECTOR_ACTIVE); 123 CeedOperatorSetField(op_apply, "v", Erestrictu, bu, CEED_VECTOR_ACTIVE); 124 CeedOperatorSetField(op_apply, "dv", Erestrictu, bu, CEED_VECTOR_ACTIVE); 125 126 // Apply original operator 127 CeedVectorCreate(ceed, ndofs, &u); 128 CeedVectorSetValue(u, 1.0); 129 CeedVectorCreate(ceed, ndofs, &v); 130 CeedVectorSetValue(v, 0.0); 131 CeedOperatorApply(op_apply, u, v, CEED_REQUEST_IMMEDIATE); 132 133 // Check output 134 CeedScalar area = 0.0; 135 const CeedScalar *vv; 136 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &vv); 137 for (CeedInt i=0; i<ndofs; i++) 138 area += vv[i]; 139 CeedVectorRestoreArrayRead(v, &vv); 140 if (fabs(area - 1.0) > 1e-14) 141 // LCOV_EXCL_START 142 printf("Error: True operator computed area = %f != 1.0\n", area); 143 // LCOV_EXCL_STOP 144 145 // Assemble QFunction 146 CeedOperatorAssembleLinearQFunction(op_apply, &A, &Erestrictlini, 147 CEED_REQUEST_IMMEDIATE); 148 149 // QFunction - apply assembled 150 CeedQFunctionCreateInterior(ceed, 1, apply_lin, apply_lin_loc, &qf_apply_lin); 151 CeedQFunctionAddInput(qf_apply_lin, "du", dim, CEED_EVAL_GRAD); 152 CeedQFunctionAddInput(qf_apply_lin, "qdata", (dim+1)*(dim+1), CEED_EVAL_NONE); 153 CeedQFunctionAddInput(qf_apply_lin, "u", 1, CEED_EVAL_INTERP); 154 CeedQFunctionAddOutput(qf_apply_lin, "v", 1, CEED_EVAL_INTERP); 155 CeedQFunctionAddOutput(qf_apply_lin, "dv", dim, CEED_EVAL_GRAD); 156 157 // Operator - apply assembled 158 CeedOperatorCreate(ceed, qf_apply_lin, CEED_QFUNCTION_NONE, 159 CEED_QFUNCTION_NONE, &op_apply_lin); 160 CeedOperatorSetField(op_apply_lin, "du", Erestrictu, bu, CEED_VECTOR_ACTIVE); 161 CeedOperatorSetField(op_apply_lin, "qdata", Erestrictlini, 162 CEED_BASIS_COLLOCATED, A); 163 CeedOperatorSetField(op_apply_lin, "u", Erestrictu, bu, CEED_VECTOR_ACTIVE); 164 CeedOperatorSetField(op_apply_lin, "v", Erestrictu, bu, CEED_VECTOR_ACTIVE); 165 CeedOperatorSetField(op_apply_lin, "dv", Erestrictu, bu, CEED_VECTOR_ACTIVE); 166 167 // Apply assembled QFunction operator 168 CeedVectorSetValue(v, 0.0); 169 CeedOperatorApply(op_apply_lin, u, v, CEED_REQUEST_IMMEDIATE); 170 171 // Check output 172 area = 0.0; 173 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &vv); 174 for (CeedInt i=0; i<ndofs; i++) 175 area += vv[i]; 176 CeedVectorRestoreArrayRead(v, &vv); 177 if (fabs(area - 1.0) > 1e-14) 178 // LCOV_EXCL_START 179 printf("Error: Assembled operator computed area = %f != 1.0\n", area); 180 // LCOV_EXCL_STOP 181 182 // Cleanup 183 CeedQFunctionDestroy(&qf_setup_mass); 184 CeedQFunctionDestroy(&qf_setup_diff); 185 CeedQFunctionDestroy(&qf_apply); 186 CeedQFunctionDestroy(&qf_apply_lin); 187 CeedOperatorDestroy(&op_setup_mass); 188 CeedOperatorDestroy(&op_setup_diff); 189 CeedOperatorDestroy(&op_apply); 190 CeedOperatorDestroy(&op_apply_lin); 191 CeedElemRestrictionDestroy(&Erestrictu); 192 CeedElemRestrictionDestroy(&Erestrictx); 193 CeedElemRestrictionDestroy(&Erestrictui); 194 CeedElemRestrictionDestroy(&Erestrictxi); 195 CeedElemRestrictionDestroy(&Erestrictqi); 196 CeedElemRestrictionDestroy(&Erestrictlini); 197 CeedBasisDestroy(&bu); 198 CeedBasisDestroy(&bx); 199 CeedVectorDestroy(&X); 200 CeedVectorDestroy(&A); 201 CeedVectorDestroy(&qdata_mass); 202 CeedVectorDestroy(&qdata_diff); 203 CeedVectorDestroy(&u); 204 CeedVectorDestroy(&v); 205 CeedDestroy(&ceed); 206 return 0; 207 } 208