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 CeedInterlaceMode imode = CEED_NONINTERLACED; 13 CeedElemRestriction Erestrictx, Erestrictu, 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, imode, nelem, 2, Nx, 1, CEED_MEM_HOST, 35 CEED_USE_POINTER, indx, &Erestrictx); 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, imode, nelem, P, Nu, 1, CEED_MEM_HOST, 45 CEED_USE_POINTER, indu, &Erestrictu); 46 CeedInt stridesu[3] = {1, Q, Q}; 47 CeedElemRestrictionCreateStrided(ceed, nelem, Q, Q*nelem, 1, stridesu, 48 &Erestrictui); 49 //! [ElemRestrU Create] 50 51 //! [Basis Create] 52 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 53 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &bu); 54 //! [Basis Create] 55 56 //! [QFunction Create] 57 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 58 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 59 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 60 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 61 62 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 63 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 64 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 65 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 66 //! [QFunction Create] 67 68 //! [Setup Create] 69 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 70 &op_setup); 71 //! [Setup Create] 72 73 //! [Operator Create] 74 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 75 &op_mass); 76 //! [Operator Create] 77 78 CeedVectorCreate(ceed, Nx, &X); 79 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 80 CeedVectorCreate(ceed, nelem*Q, &qdata); 81 82 //! [Setup Set] 83 CeedOperatorSetField(op_setup, "_weight", CEED_ELEMRESTRICTION_NONE, bx, 84 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 CeedBasisDestroy(&bu); 121 CeedBasisDestroy(&bx); 122 CeedVectorDestroy(&X); 123 CeedVectorDestroy(&U); 124 CeedVectorDestroy(&V); 125 CeedVectorDestroy(&qdata); 126 CeedDestroy(&ceed); 127 return 0; 128 } 129