1 /// @file 2 /// Test creation creation, action, and destruction for mass matrix operator 3 /// \test Test creation creation, action, and destruction for mass matrix operator 4 #include <ceed.h> 5 #include <stdlib.h> 6 #include <math.h> 7 8 #include "t500-operator.h" 9 10 int main(int argc, char **argv) { 11 Ceed ceed; 12 CeedElemRestriction Erestrictx, Erestrictu, Erestrictxi, Erestrictui; 13 CeedBasis bx, bu; 14 CeedQFunction qf_setup, qf_mass; 15 CeedOperator op_setup, op_mass; 16 CeedVector qdata, X, U, V; 17 const CeedScalar *hv; 18 CeedInt nelem = 15, P = 5, Q = 8; 19 CeedInt Nx = nelem+1, Nu = nelem*(P-1)+1; 20 CeedInt indx[nelem*2], indu[nelem*P]; 21 CeedScalar x[Nx]; 22 23 //! [Ceed Init] 24 CeedInit(argv[1], &ceed); 25 //! [Ceed Init] 26 for (CeedInt i=0; i<Nx; i++) 27 x[i] = (CeedScalar) i / (Nx - 1); 28 for (CeedInt i=0; i<nelem; i++) { 29 indx[2*i+0] = i; 30 indx[2*i+1] = i+1; 31 } 32 //! [ElemRestr Create] 33 CeedElemRestrictionCreate(ceed, nelem, 2, Nx, 1, CEED_MEM_HOST, 34 CEED_USE_POINTER, indx, &Erestrictx); 35 CeedElemRestrictionCreateIdentity(ceed, nelem, 2, nelem*2, 1, &Erestrictxi); 36 //! [ElemRestr Create] 37 38 for (CeedInt i=0; i<nelem; i++) { 39 for (CeedInt j=0; j<P; j++) { 40 indu[P*i+j] = i*(P-1) + j; 41 } 42 } 43 //! [ElemRestrU Create] 44 CeedElemRestrictionCreate(ceed, nelem, P, Nu, 1, CEED_MEM_HOST, 45 CEED_USE_POINTER, indu, &Erestrictu); 46 CeedElemRestrictionCreateIdentity(ceed, nelem, Q, Q*nelem, 1, &Erestrictui); 47 //! [ElemRestrU Create] 48 49 //! [Basis Create] 50 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 51 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &bu); 52 //! [Basis Create] 53 54 //! [QFunction Create] 55 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 56 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 57 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 58 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 59 60 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 61 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 62 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 63 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 64 //! [QFunction Create] 65 66 //! [Setup Create] 67 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 68 &op_setup); 69 //! [Setup Create] 70 71 //! [Operator Create] 72 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 73 &op_mass); 74 //! [Operator Create] 75 76 CeedVectorCreate(ceed, Nx, &X); 77 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 78 CeedVectorCreate(ceed, nelem*Q, &qdata); 79 80 //! [Setup Set] 81 CeedOperatorSetField(op_setup, "_weight", Erestrictxi, CEED_NOTRANSPOSE, 82 bx, CEED_VECTOR_NONE); 83 CeedOperatorSetField(op_setup, "dx", Erestrictx, CEED_NOTRANSPOSE, 84 bx, CEED_VECTOR_ACTIVE); 85 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_NOTRANSPOSE, 86 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 87 //! [Setup Set] 88 89 //! [Operator Set] 90 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_NOTRANSPOSE, 91 CEED_BASIS_COLLOCATED, qdata); 92 CeedOperatorSetField(op_mass, "u", Erestrictu, CEED_NOTRANSPOSE, 93 bu, CEED_VECTOR_ACTIVE); 94 CeedOperatorSetField(op_mass, "v", Erestrictu, CEED_NOTRANSPOSE, 95 bu, CEED_VECTOR_ACTIVE); 96 //! [Operator Set] 97 98 //! [Setup Apply] 99 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 100 //! [Setup Apply] 101 102 CeedVectorCreate(ceed, Nu, &U); 103 CeedVectorSetValue(U, 0.0); 104 CeedVectorCreate(ceed, Nu, &V); 105 //! [Operator Apply] 106 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 107 //! [Operator Apply] 108 109 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 110 for (CeedInt i=0; i<Nu; i++) 111 if (fabs(hv[i]) > 1e-14) printf("[%d] v %g != 0.0\n",i, hv[i]); 112 CeedVectorRestoreArrayRead(V, &hv); 113 114 CeedQFunctionDestroy(&qf_setup); 115 CeedQFunctionDestroy(&qf_mass); 116 CeedOperatorDestroy(&op_setup); 117 CeedOperatorDestroy(&op_mass); 118 CeedElemRestrictionDestroy(&Erestrictu); 119 CeedElemRestrictionDestroy(&Erestrictx); 120 CeedElemRestrictionDestroy(&Erestrictui); 121 CeedElemRestrictionDestroy(&Erestrictxi); 122 CeedBasisDestroy(&bu); 123 CeedBasisDestroy(&bx); 124 CeedVectorDestroy(&X); 125 CeedVectorDestroy(&U); 126 CeedVectorDestroy(&V); 127 CeedVectorDestroy(&qdata); 128 CeedDestroy(&ceed); 129 return 0; 130 } 131