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