1 /// @file 2 /// Test creation, action, and destruction for mass matrix operator with multiple components 3 /// \test Test creation, action, and destruction for mass matrix operator with multiple components 4 #include <ceed.h> 5 #include <stdlib.h> 6 #include <math.h> 7 8 #include "t502-operator.h" 9 10 int main(int argc, char **argv) { 11 Ceed ceed; 12 CeedTransposeMode lmode = CEED_NOTRANSPOSE, lmodeu = CEED_TRANSPOSE; 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 CeedScalar *hu; 19 const CeedScalar *hv; 20 CeedInt nelem = 15, P = 5, Q = 8; 21 CeedInt Nx = nelem+1, Nu = nelem*(P-1)+1; 22 CeedInt indx[nelem*2], indu[nelem*P]; 23 CeedScalar x[Nx]; 24 CeedScalar sum1, sum2; 25 26 CeedInit(argv[1], &ceed); 27 28 for (CeedInt i=0; i<Nx; i++) 29 x[i] = (CeedScalar) i / (Nx - 1); 30 for (CeedInt i=0; i<nelem; i++) { 31 indx[2*i+0] = i; 32 indx[2*i+1] = i+1; 33 } 34 // Restrictions 35 CeedElemRestrictionCreate(ceed, lmode, nelem, 2, Nx, 1, CEED_MEM_HOST, 36 CEED_USE_POINTER, indx, &Erestrictx); 37 CeedElemRestrictionCreateIdentity(ceed, lmode, nelem, 2, nelem*2, 1, 38 &Erestrictxi); 39 40 for (CeedInt i=0; i<nelem; i++) { 41 for (CeedInt j=0; j<P; j++) { 42 indu[P*i+j] = i*(P-1) + j; 43 } 44 } 45 CeedElemRestrictionCreate(ceed, lmodeu, nelem, P, Nu, 2, CEED_MEM_HOST, 46 CEED_USE_POINTER, indu, &Erestrictu); 47 CeedElemRestrictionCreateIdentity(ceed, lmode, nelem, Q, Q*nelem, 1, 48 &Erestrictui); 49 50 // Bases 51 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 52 CeedBasisCreateTensorH1Lagrange(ceed, 1, 2, P, Q, CEED_GAUSS, &bu); 53 54 // QFunctions 55 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 56 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 57 CeedQFunctionAddInput(qf_setup, "dx", 1*1, CEED_EVAL_GRAD); 58 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 59 60 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 61 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 62 CeedQFunctionAddInput(qf_mass, "u", 2, CEED_EVAL_INTERP); 63 CeedQFunctionAddOutput(qf_mass, "v", 2, CEED_EVAL_INTERP); 64 65 // Operators 66 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 67 &op_setup); 68 69 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 70 &op_mass); 71 72 CeedVectorCreate(ceed, Nx, &X); 73 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 74 CeedVectorCreate(ceed, nelem*Q, &qdata); 75 76 CeedOperatorSetField(op_setup, "_weight", Erestrictxi, bx, CEED_VECTOR_NONE); 77 CeedOperatorSetField(op_setup, "dx", Erestrictx, bx, CEED_VECTOR_ACTIVE); 78 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 79 CEED_VECTOR_ACTIVE); 80 81 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 82 qdata); 83 CeedOperatorSetField(op_mass, "u", Erestrictu, bu, CEED_VECTOR_ACTIVE); 84 CeedOperatorSetField(op_mass, "v", Erestrictu, bu, CEED_VECTOR_ACTIVE); 85 86 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 87 88 CeedVectorCreate(ceed, 2*Nu, &U); 89 CeedVectorGetArray(U, CEED_MEM_HOST, &hu); 90 for (int i = 0; i < Nu; i++) { 91 hu[2*i] = 1.0; 92 hu[2*i+1] = 2.0; 93 } 94 CeedVectorRestoreArray(U, &hu); 95 CeedVectorCreate(ceed, 2*Nu, &V); 96 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 97 98 // Check output 99 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 100 sum1 = 0.; sum2 = 0.; 101 for (CeedInt i=0; i<Nu; i++) { 102 sum1 += hv[2*i]; 103 sum2 += hv[2*i+1]; 104 } 105 if (fabs(sum1-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum1); 106 if (fabs(sum2-2.)>1e-10) printf("Computed Area: %f != True Area: 2.0\n", sum2); 107 CeedVectorRestoreArrayRead(V, &hv); 108 109 CeedQFunctionDestroy(&qf_setup); 110 CeedQFunctionDestroy(&qf_mass); 111 CeedOperatorDestroy(&op_setup); 112 CeedOperatorDestroy(&op_mass); 113 CeedElemRestrictionDestroy(&Erestrictu); 114 CeedElemRestrictionDestroy(&Erestrictx); 115 CeedElemRestrictionDestroy(&Erestrictui); 116 CeedElemRestrictionDestroy(&Erestrictxi); 117 CeedBasisDestroy(&bu); 118 CeedBasisDestroy(&bx); 119 CeedVectorDestroy(&X); 120 CeedVectorDestroy(&U); 121 CeedVectorDestroy(&V); 122 CeedVectorDestroy(&qdata); 123 CeedDestroy(&ceed); 124 return 0; 125 } 126