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 CeedElemRestriction Erestrictx, Erestrictu, 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, 1, 1, Nx, CEED_MEM_HOST, 34 CEED_USE_POINTER, indx, &Erestrictx); 35 //! [ElemRestr Create] 36 37 for (CeedInt i=0; i<nelem; i++) { 38 for (CeedInt j=0; j<P; j++) { 39 indu[P*i+j] = i*(P-1) + j; 40 } 41 } 42 //! [ElemRestrU Create] 43 CeedElemRestrictionCreate(ceed, nelem, P, 1, 1, Nu, CEED_MEM_HOST, 44 CEED_USE_POINTER, indu, &Erestrictu); 45 CeedInt stridesu[3] = {1, Q, Q}; 46 CeedElemRestrictionCreateStrided(ceed, nelem, Q, 1, Q*nelem, stridesu, 47 &Erestrictui); 48 //! [ElemRestrU Create] 49 50 //! [Basis Create] 51 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 52 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &bu); 53 //! [Basis Create] 54 55 //! [QFunction Create] 56 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 57 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 58 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 59 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 60 61 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 62 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 63 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 64 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 65 //! [QFunction Create] 66 67 //! [Setup Create] 68 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 69 &op_setup); 70 //! [Setup Create] 71 72 //! [Operator Create] 73 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 74 &op_mass); 75 //! [Operator Create] 76 77 CeedVectorCreate(ceed, Nx, &X); 78 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 79 CeedVectorCreate(ceed, nelem*Q, &qdata); 80 81 //! [Setup Set] 82 CeedOperatorSetField(op_setup, "_weight", CEED_ELEMRESTRICTION_NONE, bx, 83 CEED_VECTOR_NONE); 84 CeedOperatorSetField(op_setup, "dx", Erestrictx, bx, CEED_VECTOR_ACTIVE); 85 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 86 CEED_VECTOR_ACTIVE); 87 //! [Setup Set] 88 89 //! [Operator Set] 90 CeedOperatorSetField(op_mass, "rho", Erestrictui,CEED_BASIS_COLLOCATED, 91 qdata); 92 CeedOperatorSetField(op_mass, "u", Erestrictu, bu, CEED_VECTOR_ACTIVE); 93 CeedOperatorSetField(op_mass, "v", Erestrictu, bu, CEED_VECTOR_ACTIVE); 94 //! [Operator Set] 95 96 //! [Setup Apply] 97 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 98 //! [Setup Apply] 99 100 CeedVectorCreate(ceed, Nu, &U); 101 CeedVectorSetValue(U, 0.0); 102 CeedVectorCreate(ceed, Nu, &V); 103 //! [Operator Apply] 104 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 105 //! [Operator Apply] 106 107 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 108 for (CeedInt i=0; i<Nu; i++) 109 if (fabs(hv[i]) > 1e-14) printf("[%d] v %g != 0.0\n",i, hv[i]); 110 CeedVectorRestoreArrayRead(V, &hv); 111 112 CeedQFunctionDestroy(&qf_setup); 113 CeedQFunctionDestroy(&qf_mass); 114 CeedOperatorDestroy(&op_setup); 115 CeedOperatorDestroy(&op_mass); 116 CeedElemRestrictionDestroy(&Erestrictu); 117 CeedElemRestrictionDestroy(&Erestrictx); 118 CeedElemRestrictionDestroy(&Erestrictui); 119 CeedBasisDestroy(&bu); 120 CeedBasisDestroy(&bx); 121 CeedVectorDestroy(&X); 122 CeedVectorDestroy(&U); 123 CeedVectorDestroy(&V); 124 CeedVectorDestroy(&qdata); 125 CeedDestroy(&ceed); 126 return 0; 127 } 128