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++) x[i] = (CeedScalar) i / (Nx - 1); 27 for (CeedInt i=0; i<nelem; i++) { 28 indx[2*i+0] = i; 29 indx[2*i+1] = i+1; 30 } 31 //! [ElemRestr Create] 32 CeedElemRestrictionCreate(ceed, nelem, 2, Nx, 1, CEED_MEM_HOST, 33 CEED_USE_POINTER, indx, &Erestrictx); 34 CeedElemRestrictionCreateIdentity(ceed, nelem, 2, nelem*2, 1, &Erestrictxi); 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, Nu, 1, CEED_MEM_HOST, 44 CEED_USE_POINTER, indu, &Erestrictu); 45 CeedElemRestrictionCreateIdentity(ceed, nelem, Q, Q*nelem, 1, &Erestrictui); 46 //! [ElemRestrU Create] 47 48 //! [Basis Create] 49 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 50 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &bu); 51 //! [Basis Create] 52 53 //! [QFunction Create] 54 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 55 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 56 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 57 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 58 59 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 60 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 61 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 62 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 63 //! [QFunction Create] 64 65 //! [Setup Create] 66 CeedOperatorCreate(ceed, qf_setup, NULL, NULL, &op_setup); 67 //! [Setup Create] 68 69 //! [Operator Create] 70 CeedOperatorCreate(ceed, qf_mass, NULL, NULL, &op_mass); 71 //! [Operator Create] 72 73 CeedVectorCreate(ceed, Nx, &X); 74 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 75 CeedVectorCreate(ceed, nelem*Q, &qdata); 76 77 //! [Setup Set] 78 CeedOperatorSetField(op_setup, "_weight", Erestrictxi, CEED_NOTRANSPOSE, 79 bx, CEED_VECTOR_NONE); 80 CeedOperatorSetField(op_setup, "dx", Erestrictx, CEED_NOTRANSPOSE, 81 bx, CEED_VECTOR_ACTIVE); 82 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_NOTRANSPOSE, 83 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 84 //! [Setup Set] 85 86 //! [Operator Set] 87 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_NOTRANSPOSE, 88 CEED_BASIS_COLLOCATED, qdata); 89 CeedOperatorSetField(op_mass, "u", Erestrictu, CEED_NOTRANSPOSE, 90 bu, CEED_VECTOR_ACTIVE); 91 CeedOperatorSetField(op_mass, "v", Erestrictu, CEED_NOTRANSPOSE, 92 bu, CEED_VECTOR_ACTIVE); 93 //! [Operator Set] 94 95 //! [Setup Apply] 96 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 97 //! [Setup Apply] 98 99 CeedVectorCreate(ceed, Nu, &U); 100 CeedVectorSetValue(U, 0.0); 101 CeedVectorCreate(ceed, Nu, &V); 102 //! [Operator Apply] 103 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 104 //! [Operator Apply] 105 106 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 107 for (CeedInt i=0; i<Nu; i++) 108 if (fabs(hv[i]) > 1e-14) printf("[%d] v %g != 0.0\n",i, hv[i]); 109 CeedVectorRestoreArrayRead(V, &hv); 110 111 CeedQFunctionDestroy(&qf_setup); 112 CeedQFunctionDestroy(&qf_mass); 113 CeedOperatorDestroy(&op_setup); 114 CeedOperatorDestroy(&op_mass); 115 CeedElemRestrictionDestroy(&Erestrictu); 116 CeedElemRestrictionDestroy(&Erestrictx); 117 CeedElemRestrictionDestroy(&Erestrictui); 118 CeedElemRestrictionDestroy(&Erestrictxi); 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