1 /// @file 2 /// Test CeedOperatorApplyAdd 3 /// \test Test CeedOperatorApplyAdd 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 CeedInterlaceMode imode = CEED_NONINTERLACED; 13 CeedElemRestriction Erestrictx, Erestrictu, Erestrictui; 14 CeedBasis bx, bu; 15 CeedQFunction qf_setup, qf_mass; 16 CeedOperator op_setup, op_mass; 17 CeedVector qdata, X, U, V; 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 sum; 24 25 CeedInit(argv[1], &ceed); 26 27 for (CeedInt i=0; i<Nx; i++) 28 x[i] = (CeedScalar) i / (Nx - 1); 29 for (CeedInt i=0; i<nelem; i++) { 30 indx[2*i+0] = i; 31 indx[2*i+1] = i+1; 32 } 33 // Restrictions 34 CeedElemRestrictionCreate(ceed, imode, nelem, 2, Nx, 1, CEED_MEM_HOST, 35 CEED_USE_POINTER, indx, &Erestrictx); 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, imode, nelem, P, Nu, 1, CEED_MEM_HOST, 43 CEED_USE_POINTER, indu, &Erestrictu); 44 CeedInt stridesu[3] = {1, Q, Q}; 45 CeedElemRestrictionCreateStrided(ceed, nelem, Q, Q*nelem, 1, stridesu, 46 &Erestrictui); 47 48 // Bases 49 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 50 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &bu); 51 52 // QFunctions 53 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 54 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 55 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 56 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 57 58 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 59 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 60 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 61 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 62 63 // Operators 64 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 65 &op_setup); 66 67 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 68 &op_mass); 69 70 CeedVectorCreate(ceed, Nx, &X); 71 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 72 CeedVectorCreate(ceed, nelem*Q, &qdata); 73 74 CeedOperatorSetField(op_setup, "_weight", CEED_ELEMRESTRICTION_NONE, bx, 75 CEED_VECTOR_NONE); 76 CeedOperatorSetField(op_setup, "dx", Erestrictx, bx, CEED_VECTOR_ACTIVE); 77 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 78 CEED_VECTOR_ACTIVE); 79 80 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 81 qdata); 82 CeedOperatorSetField(op_mass, "u", Erestrictu, bu, CEED_VECTOR_ACTIVE); 83 CeedOperatorSetField(op_mass, "v", Erestrictu, bu, CEED_VECTOR_ACTIVE); 84 85 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 86 87 CeedVectorCreate(ceed, Nu, &U); 88 CeedVectorSetValue(U, 1.0); 89 CeedVectorCreate(ceed, Nu, &V); 90 CeedVectorSetValue(V, 0.0); 91 92 // Apply with V = 0 93 CeedOperatorApplyAdd(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 94 95 // Check output 96 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 97 sum = 0.; 98 for (CeedInt i=0; i<Nu; i++) 99 sum += hv[i]; 100 if (fabs(sum-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum); 101 CeedVectorRestoreArrayRead(V, &hv); 102 103 // Apply with V = 1 104 CeedVectorSetValue(V, 1.0); 105 CeedOperatorApplyAdd(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 106 107 // Check output 108 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 109 sum = -Nu; 110 for (CeedInt i=0; i<Nu; i++) 111 sum += hv[i]; 112 if (fabs(sum-(1.))>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum); 113 CeedVectorRestoreArrayRead(V, &hv); 114 115 CeedQFunctionDestroy(&qf_setup); 116 CeedQFunctionDestroy(&qf_mass); 117 CeedOperatorDestroy(&op_setup); 118 CeedOperatorDestroy(&op_mass); 119 CeedElemRestrictionDestroy(&Erestrictu); 120 CeedElemRestrictionDestroy(&Erestrictx); 121 CeedElemRestrictionDestroy(&Erestrictui); 122 CeedBasisDestroy(&bu); 123 CeedBasisDestroy(&bx); 124 CeedVectorDestroy(&X); 125 CeedVectorDestroy(&U); 126 CeedVectorDestroy(&V); 127 CeedVectorDestroy(&qdata); 128 CeedDestroy(&ceed); 129 return 0; 130 } 131