1 /// @file 2 /// Test creation, action, and destruction for mass matrix operator with multigrid level, nontensor basis 3 /// \test Test creation, action, and destruction for mass matrix operator with multigrid level, nontensor basis 4 #include <ceed.h> 5 #include <stdlib.h> 6 #include <math.h> 7 8 int main(int argc, char **argv) { 9 Ceed ceed; 10 CeedElemRestriction Erestrictx, Erestrictui, 11 ErestrictuCoarse, ErestrictuFine; 12 CeedBasis bx, bu; 13 CeedQFunction qf_setup, qf_mass; 14 CeedOperator op_setup, op_massCoarse, op_massFine, 15 op_prolong, op_restrict; 16 CeedVector qdata, X, Ucoarse, Ufine, 17 Vcoarse, Vfine, PMultFine; 18 const CeedScalar *hv; 19 CeedInt nelem = 15, Pcoarse = 3, Pfine = 5, Q = 8; 20 CeedInt Nx = nelem+1, NuCoarse = nelem*(Pcoarse-1)+1, 21 NuFine = nelem*(Pfine-1)+1; 22 CeedInt induCoarse[nelem*Pcoarse], induFine[nelem*Pfine], 23 indx[nelem*2]; 24 CeedScalar x[Nx]; 25 CeedScalar sum; 26 27 CeedInit(argv[1], &ceed); 28 29 for (CeedInt i=0; i<Nx; i++) 30 x[i] = (CeedScalar) i / (Nx - 1); 31 for (CeedInt i=0; i<nelem; i++) { 32 indx[2*i+0] = i; 33 indx[2*i+1] = i+1; 34 } 35 // Restrictions 36 CeedElemRestrictionCreate(ceed, nelem, 2, 1, 1, Nx, CEED_MEM_HOST, 37 CEED_USE_POINTER, indx, &Erestrictx); 38 39 for (CeedInt i=0; i<nelem; i++) { 40 for (CeedInt j=0; j<Pcoarse; j++) { 41 induCoarse[Pcoarse*i+j] = i*(Pcoarse-1) + j; 42 } 43 } 44 CeedElemRestrictionCreate(ceed, nelem, Pcoarse, 1, 1, NuCoarse, CEED_MEM_HOST, 45 CEED_USE_POINTER, induCoarse, &ErestrictuCoarse); 46 47 for (CeedInt i=0; i<nelem; i++) { 48 for (CeedInt j=0; j<Pfine; j++) { 49 induFine[Pfine*i+j] = i*(Pfine-1) + j; 50 } 51 } 52 CeedElemRestrictionCreate(ceed, nelem, Pfine, 1, 1, NuFine, CEED_MEM_HOST, 53 CEED_USE_POINTER, induFine, &ErestrictuFine); 54 55 CeedInt stridesu[3] = {1, Q, Q}; 56 CeedElemRestrictionCreateStrided(ceed, nelem, Q, 1, Q*nelem, stridesu, 57 &Erestrictui); 58 59 // Bases 60 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 61 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, Pfine, Q, CEED_GAUSS, &bu); 62 63 // QFunctions 64 CeedQFunctionCreateInteriorByName(ceed, "Mass1DBuild", &qf_setup); 65 CeedQFunctionCreateInteriorByName(ceed, "MassApply", &qf_mass); 66 67 // Operators 68 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 69 &op_setup); 70 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 71 &op_massFine); 72 73 CeedVectorCreate(ceed, Nx, &X); 74 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 75 CeedVectorCreate(ceed, nelem*Q, &qdata); 76 77 CeedOperatorSetField(op_setup, "weights", CEED_ELEMRESTRICTION_NONE, bx, 78 CEED_VECTOR_NONE); 79 CeedOperatorSetField(op_setup, "dx", Erestrictx, bx, CEED_VECTOR_ACTIVE); 80 CeedOperatorSetField(op_setup, "qdata", Erestrictui, CEED_BASIS_COLLOCATED, 81 CEED_VECTOR_ACTIVE); 82 83 CeedOperatorSetField(op_massFine, "qdata", Erestrictui, CEED_BASIS_COLLOCATED, 84 qdata); 85 CeedOperatorSetField(op_massFine, "u", ErestrictuFine, bu, CEED_VECTOR_ACTIVE); 86 CeedOperatorSetField(op_massFine, "v", ErestrictuFine, bu, CEED_VECTOR_ACTIVE); 87 88 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 89 90 // Create multigrid level 91 CeedVectorCreate(ceed, NuFine, &PMultFine); 92 CeedVectorSetValue(PMultFine, 1.0); 93 CeedBasis buCoarse, bCtoF; 94 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, Pcoarse, Q, CEED_GAUSS, &buCoarse); 95 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, Pcoarse, Pfine, CEED_GAUSS_LOBATTO, 96 &bCtoF); 97 const CeedScalar *interpCtoF; 98 CeedBasisGetInterp1D(bCtoF, &interpCtoF); 99 CeedOperatorMultigridLevelCreateH1(op_massFine, PMultFine, ErestrictuCoarse, 100 buCoarse, interpCtoF, &op_massCoarse, 101 &op_prolong, &op_restrict); 102 103 // Coarse problem 104 CeedVectorCreate(ceed, NuCoarse, &Ucoarse); 105 CeedVectorSetValue(Ucoarse, 1.0); 106 CeedVectorCreate(ceed, NuCoarse, &Vcoarse); 107 CeedOperatorApply(op_massCoarse, Ucoarse, Vcoarse, CEED_REQUEST_IMMEDIATE); 108 109 // Check output 110 CeedVectorGetArrayRead(Vcoarse, CEED_MEM_HOST, &hv); 111 sum = 0.; 112 for (CeedInt i=0; i<NuCoarse; i++) { 113 sum += hv[i]; 114 } 115 if (fabs(sum-1.)>1e-10) 116 // LCOV_EXCL_START 117 printf("Computed Area Coarse Grid: %f != True Area: 1.0\n", sum); 118 // LCOV_EXCL_STOP 119 CeedVectorRestoreArrayRead(Vcoarse, &hv); 120 121 // Prolong coarse u 122 CeedVectorCreate(ceed, NuFine, &Ufine); 123 CeedOperatorApply(op_prolong, Ucoarse, Ufine, CEED_REQUEST_IMMEDIATE); 124 125 // Fine problem 126 CeedVectorCreate(ceed, NuFine, &Vfine); 127 CeedOperatorApply(op_massFine, Ufine, Vfine, CEED_REQUEST_IMMEDIATE); 128 129 // Check output 130 CeedVectorGetArrayRead(Vfine, CEED_MEM_HOST, &hv); 131 sum = 0.; 132 for (CeedInt i=0; i<NuFine; i++) { 133 sum += hv[i]; 134 } 135 if (fabs(sum-1.)>1e-10) 136 // LCOV_EXCL_START 137 printf("Computed Area Fine Grid: %f != True Area: 1.0\n", sum); 138 // LCOV_EXCL_STOP 139 CeedVectorRestoreArrayRead(Vfine, &hv); 140 141 // Restrict state to coarse grid 142 CeedOperatorApply(op_restrict, Vfine, Vcoarse, CEED_REQUEST_IMMEDIATE); 143 144 // Check output 145 CeedVectorGetArrayRead(Vcoarse, CEED_MEM_HOST, &hv); 146 sum = 0.; 147 for (CeedInt i=0; i<NuCoarse; i++) { 148 sum += hv[i]; 149 } 150 if (fabs(sum-1.)>1e-10) 151 // LCOV_EXCL_START 152 printf("Computed Area Coarse Grid: %f != True Area: 1.0\n", sum); 153 // LCOV_EXCL_STOP 154 CeedVectorRestoreArrayRead(Vcoarse, &hv); 155 156 // Cleanup 157 CeedQFunctionDestroy(&qf_setup); 158 CeedQFunctionDestroy(&qf_mass); 159 CeedOperatorDestroy(&op_setup); 160 CeedOperatorDestroy(&op_massCoarse); 161 CeedOperatorDestroy(&op_massFine); 162 CeedOperatorDestroy(&op_prolong); 163 CeedOperatorDestroy(&op_restrict); 164 CeedElemRestrictionDestroy(&ErestrictuCoarse); 165 CeedElemRestrictionDestroy(&ErestrictuFine); 166 CeedElemRestrictionDestroy(&Erestrictx); 167 CeedElemRestrictionDestroy(&Erestrictui); 168 CeedBasisDestroy(&bu); 169 CeedBasisDestroy(&buCoarse); 170 CeedBasisDestroy(&bCtoF); 171 CeedBasisDestroy(&bx); 172 CeedVectorDestroy(&X); 173 CeedVectorDestroy(&Ucoarse); 174 CeedVectorDestroy(&Ufine); 175 CeedVectorDestroy(&Vcoarse); 176 CeedVectorDestroy(&Vfine); 177 CeedVectorDestroy(&PMultFine); 178 CeedVectorDestroy(&qdata); 179 CeedDestroy(&ceed); 180 return 0; 181 } 182