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 "t501-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 for (CeedInt i=0; i<Nx; i++) x[i] = (CeedScalar) i / (Nx - 1); 26 for (CeedInt i=0; i<nelem; i++) { 27 indx[2*i+0] = i; 28 indx[2*i+1] = i+1; 29 } 30 // Restrictions 31 CeedElemRestrictionCreate(ceed, nelem, 2, Nx, 1, CEED_MEM_HOST, 32 CEED_USE_POINTER, indx, &Erestrictx); 33 CeedElemRestrictionCreateIdentity(ceed, nelem, 2, nelem*2, 1, &Erestrictxi); 34 35 for (CeedInt i=0; i<nelem; i++) { 36 for (CeedInt j=0; j<P; j++) { 37 indu[P*i+j] = i*(P-1) + j; 38 } 39 } 40 CeedElemRestrictionCreate(ceed, nelem, P, Nu, 1, CEED_MEM_HOST, 41 CEED_USE_POINTER, indu, &Erestrictu); 42 CeedElemRestrictionCreateIdentity(ceed, nelem, Q, Q*nelem, 1, &Erestrictui); 43 44 // Bases 45 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 46 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &bu); 47 48 // QFunctions 49 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 50 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 51 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 52 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 53 54 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 55 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 56 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 57 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 58 59 // Operators 60 CeedOperatorCreate(ceed, qf_setup, NULL, NULL, &op_setup); 61 62 CeedOperatorCreate(ceed, qf_mass, NULL, NULL, &op_mass); 63 64 CeedVectorCreate(ceed, Nx, &X); 65 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 66 CeedVectorCreate(ceed, nelem*Q, &qdata); 67 68 CeedOperatorSetField(op_setup, "_weight", Erestrictxi, CEED_NOTRANSPOSE, 69 bx, CEED_VECTOR_NONE); 70 CeedOperatorSetField(op_setup, "dx", Erestrictx, CEED_NOTRANSPOSE, 71 bx, CEED_VECTOR_ACTIVE); 72 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_NOTRANSPOSE, 73 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 74 75 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_NOTRANSPOSE, 76 CEED_BASIS_COLLOCATED, qdata); 77 CeedOperatorSetField(op_mass, "u", Erestrictu, CEED_NOTRANSPOSE, 78 bu, CEED_VECTOR_ACTIVE); 79 CeedOperatorSetField(op_mass, "v", Erestrictu, CEED_NOTRANSPOSE, 80 bu, CEED_VECTOR_ACTIVE); 81 82 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 83 84 CeedVectorCreate(ceed, Nu, &U); 85 CeedVectorSetValue(U, 1.0); 86 CeedVectorCreate(ceed, Nu, &V); 87 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 88 89 // Check output 90 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 91 sum = 0.; 92 for (CeedInt i=0; i<Nu; i++) 93 sum += hv[i]; 94 if (fabs(sum-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum); 95 CeedVectorRestoreArrayRead(V, &hv); 96 97 CeedQFunctionDestroy(&qf_setup); 98 CeedQFunctionDestroy(&qf_mass); 99 CeedOperatorDestroy(&op_setup); 100 CeedOperatorDestroy(&op_mass); 101 CeedElemRestrictionDestroy(&Erestrictu); 102 CeedElemRestrictionDestroy(&Erestrictx); 103 CeedElemRestrictionDestroy(&Erestrictui); 104 CeedElemRestrictionDestroy(&Erestrictxi); 105 CeedBasisDestroy(&bu); 106 CeedBasisDestroy(&bx); 107 CeedVectorDestroy(&X); 108 CeedVectorDestroy(&U); 109 CeedVectorDestroy(&V); 110 CeedVectorDestroy(&qdata); 111 CeedDestroy(&ceed); 112 return 0; 113 } 114