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 "t502-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 CeedScalar *hu; 18 const CeedScalar *hv; 19 CeedInt nelem = 15, P = 5, Q = 8; 20 CeedInt Nx = nelem+1, Nu = nelem*(P-1)+1; 21 CeedInt indx[nelem*2], indu[nelem*P]; 22 CeedScalar x[Nx]; 23 CeedScalar sum1, sum2; 24 25 CeedInit(argv[1], &ceed); 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 // Restrictions 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 36 for (CeedInt i=0; i<nelem; i++) { 37 for (CeedInt j=0; j<P; j++) { 38 indu[P*i+j] = i*(P-1) + j; 39 } 40 } 41 CeedElemRestrictionCreate(ceed, nelem, P, Nu, 2, CEED_MEM_HOST, 42 CEED_USE_POINTER, indu, &Erestrictu); 43 CeedElemRestrictionCreateIdentity(ceed, nelem, Q, Q*nelem, 1, &Erestrictui); 44 45 // Bases 46 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 47 CeedBasisCreateTensorH1Lagrange(ceed, 1, 2, P, Q, CEED_GAUSS, &bu); 48 49 // QFunctions 50 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 51 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 52 CeedQFunctionAddInput(qf_setup, "dx", 1*1, CEED_EVAL_GRAD); 53 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 54 55 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 56 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 57 CeedQFunctionAddInput(qf_mass, "u", 2, CEED_EVAL_INTERP); 58 CeedQFunctionAddOutput(qf_mass, "v", 2, CEED_EVAL_INTERP); 59 60 // Operators 61 CeedOperatorCreate(ceed, qf_setup, NULL, NULL, &op_setup); 62 63 CeedOperatorCreate(ceed, qf_mass, NULL, NULL, &op_mass); 64 65 CeedVectorCreate(ceed, Nx, &X); 66 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 67 CeedVectorCreate(ceed, nelem*Q, &qdata); 68 69 CeedOperatorSetField(op_setup, "_weight", Erestrictxi, CEED_NOTRANSPOSE, 70 bx, CEED_VECTOR_NONE); 71 CeedOperatorSetField(op_setup, "dx", Erestrictx, CEED_NOTRANSPOSE, 72 bx, CEED_VECTOR_ACTIVE); 73 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_NOTRANSPOSE, 74 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 75 76 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_NOTRANSPOSE, 77 CEED_BASIS_COLLOCATED, qdata); 78 CeedOperatorSetField(op_mass, "u", Erestrictu, CEED_TRANSPOSE, 79 bu, CEED_VECTOR_ACTIVE); 80 CeedOperatorSetField(op_mass, "v", Erestrictu, CEED_TRANSPOSE, 81 bu, CEED_VECTOR_ACTIVE); 82 83 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 84 85 CeedVectorCreate(ceed, 2*Nu, &U); 86 CeedVectorGetArray(U, CEED_MEM_HOST, &hu); 87 for (int i = 0; i < Nu; i++) { 88 hu[2*i] = 1.0; 89 hu[2*i+1] = 2.0; 90 } 91 CeedVectorRestoreArray(U, &hu); 92 CeedVectorCreate(ceed, 2*Nu, &V); 93 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 94 95 // Check output 96 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 97 sum1 = 0.; sum2 = 0.; 98 for (CeedInt i=0; i<Nu; i++) { 99 sum1 += hv[2*i]; 100 sum2 += hv[2*i+1]; 101 } 102 if (fabs(sum1-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum1); 103 if (fabs(sum2-2.)>1e-10) printf("Computed Area: %f != True Area: 2.0\n", sum2); 104 CeedVectorRestoreArrayRead(V, &hv); 105 106 CeedQFunctionDestroy(&qf_setup); 107 CeedQFunctionDestroy(&qf_mass); 108 CeedOperatorDestroy(&op_setup); 109 CeedOperatorDestroy(&op_mass); 110 CeedElemRestrictionDestroy(&Erestrictu); 111 CeedElemRestrictionDestroy(&Erestrictx); 112 CeedElemRestrictionDestroy(&Erestrictui); 113 CeedElemRestrictionDestroy(&Erestrictxi); 114 CeedBasisDestroy(&bu); 115 CeedBasisDestroy(&bx); 116 CeedVectorDestroy(&X); 117 CeedVectorDestroy(&U); 118 CeedVectorDestroy(&V); 119 CeedVectorDestroy(&qdata); 120 CeedDestroy(&ceed); 121 return 0; 122 } 123