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, 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, imode, nelem, 2, Nx, 1, CEED_MEM_HOST, 35 CEED_USE_POINTER, indx, &Erestrictx); 36 CeedInt stridesx[3] = {1, 2, 2}; 37 CeedElemRestrictionCreateStrided(ceed, nelem, 2, nelem*2, 1, stridesx, 38 &Erestrictxi); 39 //! [ElemRestr Create] 40 41 for (CeedInt i=0; i<nelem; i++) { 42 for (CeedInt j=0; j<P; j++) { 43 indu[P*i+j] = i*(P-1) + j; 44 } 45 } 46 //! [ElemRestrU Create] 47 CeedElemRestrictionCreate(ceed, imode, nelem, P, Nu, 1, CEED_MEM_HOST, 48 CEED_USE_POINTER, indu, &Erestrictu); 49 CeedInt stridesu[3] = {1, Q, Q}; 50 CeedElemRestrictionCreateStrided(ceed, nelem, Q, Q*nelem, 1, stridesu, 51 &Erestrictui); 52 //! [ElemRestrU Create] 53 54 //! [Basis Create] 55 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 56 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &bu); 57 //! [Basis Create] 58 59 //! [QFunction Create] 60 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 61 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 62 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 63 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 64 65 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 66 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 67 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 68 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 69 //! [QFunction Create] 70 71 //! [Setup Create] 72 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 73 &op_setup); 74 //! [Setup Create] 75 76 //! [Operator Create] 77 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 78 &op_mass); 79 //! [Operator Create] 80 81 CeedVectorCreate(ceed, Nx, &X); 82 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 83 CeedVectorCreate(ceed, nelem*Q, &qdata); 84 85 //! [Setup Set] 86 CeedOperatorSetField(op_setup, "_weight", Erestrictxi, bx, CEED_VECTOR_NONE); 87 CeedOperatorSetField(op_setup, "dx", Erestrictx, bx, CEED_VECTOR_ACTIVE); 88 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 89 CEED_VECTOR_ACTIVE); 90 //! [Setup Set] 91 92 //! [Operator Set] 93 CeedOperatorSetField(op_mass, "rho", Erestrictui,CEED_BASIS_COLLOCATED, 94 qdata); 95 CeedOperatorSetField(op_mass, "u", Erestrictu, bu, CEED_VECTOR_ACTIVE); 96 CeedOperatorSetField(op_mass, "v", Erestrictu, bu, CEED_VECTOR_ACTIVE); 97 //! [Operator Set] 98 99 //! [Setup Apply] 100 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 101 //! [Setup Apply] 102 103 CeedVectorCreate(ceed, Nu, &U); 104 CeedVectorSetValue(U, 0.0); 105 CeedVectorCreate(ceed, Nu, &V); 106 //! [Operator Apply] 107 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 108 //! [Operator Apply] 109 110 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 111 for (CeedInt i=0; i<Nu; i++) 112 if (fabs(hv[i]) > 1e-14) printf("[%d] v %g != 0.0\n",i, hv[i]); 113 CeedVectorRestoreArrayRead(V, &hv); 114 115 CeedQFunctionDestroy(&qf_setup); 116 CeedQFunctionDestroy(&qf_mass); 117 CeedOperatorDestroy(&op_setup); 118 CeedOperatorDestroy(&op_mass); 119 CeedElemRestrictionDestroy(&Erestrictu); 120 CeedElemRestrictionDestroy(&Erestrictx); 121 CeedElemRestrictionDestroy(&Erestrictui); 122 CeedElemRestrictionDestroy(&Erestrictxi); 123 CeedBasisDestroy(&bu); 124 CeedBasisDestroy(&bx); 125 CeedVectorDestroy(&X); 126 CeedVectorDestroy(&U); 127 CeedVectorDestroy(&V); 128 CeedVectorDestroy(&qdata); 129 CeedDestroy(&ceed); 130 return 0; 131 } 132