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, 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 CeedScalar sum; 23 24 CeedInit(argv[1], &ceed); 25 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 // Restrictions 33 CeedElemRestrictionCreate(ceed, nelem, 2, Nx, 1, CEED_MEM_HOST, 34 CEED_USE_POINTER, indx, &Erestrictx); 35 CeedElemRestrictionCreateIdentity(ceed, nelem, 2, nelem*2, 1, &Erestrictxi); 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 CeedElemRestrictionCreate(ceed, nelem, P, Nu, 1, CEED_MEM_HOST, 43 CEED_USE_POINTER, indu, &Erestrictu); 44 CeedElemRestrictionCreateIdentity(ceed, nelem, Q, Q*nelem, 1, &Erestrictui); 45 46 // Bases 47 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 48 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &bu); 49 50 // QFunctions 51 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 52 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 53 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 54 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 55 56 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 57 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 58 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 59 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 60 61 // Operators 62 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 63 &op_setup); 64 65 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 66 &op_mass); 67 68 CeedVectorCreate(ceed, Nx, &X); 69 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 70 CeedVectorCreate(ceed, nelem*Q, &qdata); 71 72 CeedOperatorSetField(op_setup, "_weight", Erestrictxi, CEED_NOTRANSPOSE, 73 bx, CEED_VECTOR_NONE); 74 CeedOperatorSetField(op_setup, "dx", Erestrictx, CEED_NOTRANSPOSE, 75 bx, CEED_VECTOR_ACTIVE); 76 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_NOTRANSPOSE, 77 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 78 79 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_NOTRANSPOSE, 80 CEED_BASIS_COLLOCATED, qdata); 81 CeedOperatorSetField(op_mass, "u", Erestrictu, CEED_NOTRANSPOSE, 82 bu, CEED_VECTOR_ACTIVE); 83 CeedOperatorSetField(op_mass, "v", Erestrictu, CEED_NOTRANSPOSE, 84 bu, CEED_VECTOR_ACTIVE); 85 86 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 87 88 CeedVectorCreate(ceed, Nu, &U); 89 CeedVectorSetValue(U, 1.0); 90 CeedVectorCreate(ceed, Nu, &V); 91 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 92 93 // Check output 94 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 95 sum = 0.; 96 for (CeedInt i=0; i<Nu; i++) 97 sum += hv[i]; 98 if (fabs(sum-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum); 99 CeedVectorRestoreArrayRead(V, &hv); 100 101 CeedQFunctionDestroy(&qf_setup); 102 CeedQFunctionDestroy(&qf_mass); 103 CeedOperatorDestroy(&op_setup); 104 CeedOperatorDestroy(&op_mass); 105 CeedElemRestrictionDestroy(&Erestrictu); 106 CeedElemRestrictionDestroy(&Erestrictx); 107 CeedElemRestrictionDestroy(&Erestrictui); 108 CeedElemRestrictionDestroy(&Erestrictxi); 109 CeedBasisDestroy(&bu); 110 CeedBasisDestroy(&bx); 111 CeedVectorDestroy(&X); 112 CeedVectorDestroy(&U); 113 CeedVectorDestroy(&V); 114 CeedVectorDestroy(&qdata); 115 CeedDestroy(&ceed); 116 return 0; 117 } 118