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, 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 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 CeedInt stridesx[3] = {1, 2, 2}; 37 CeedElemRestrictionCreateStrided(ceed, nelem, 2, nelem*2, 1, stridesx, 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, imode, nelem, P, Nu, 1, CEED_MEM_HOST, 46 CEED_USE_POINTER, indu, &Erestrictu); 47 CeedInt stridesu[3] = {1, Q, Q}; 48 CeedElemRestrictionCreateStrided(ceed, nelem, Q, Q*nelem, 1, stridesu, 49 &Erestrictui); 50 51 // Bases 52 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 53 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &bu); 54 55 // QFunctions 56 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 57 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 58 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 59 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 60 61 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 62 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 63 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 64 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 65 66 // Operators 67 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 68 &op_setup); 69 70 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 71 &op_mass); 72 73 CeedVectorCreate(ceed, Nx, &X); 74 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 75 CeedVectorCreate(ceed, nelem*Q, &qdata); 76 77 CeedOperatorSetField(op_setup, "_weight", Erestrictxi, bx, CEED_VECTOR_NONE); 78 CeedOperatorSetField(op_setup, "dx", Erestrictx, bx, CEED_VECTOR_ACTIVE); 79 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 80 CEED_VECTOR_ACTIVE); 81 82 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 83 qdata); 84 CeedOperatorSetField(op_mass, "u", Erestrictu, bu, CEED_VECTOR_ACTIVE); 85 CeedOperatorSetField(op_mass, "v", Erestrictu, bu, CEED_VECTOR_ACTIVE); 86 87 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 88 89 CeedVectorCreate(ceed, Nu, &U); 90 CeedVectorSetValue(U, 1.0); 91 CeedVectorCreate(ceed, Nu, &V); 92 CeedVectorSetValue(V, 0.0); 93 94 // Apply with V = 0 95 CeedOperatorApplyAdd(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 96 97 // Check output 98 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 99 sum = 0.; 100 for (CeedInt i=0; i<Nu; i++) 101 sum += hv[i]; 102 if (fabs(sum-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum); 103 CeedVectorRestoreArrayRead(V, &hv); 104 105 // Apply with V = 1 106 CeedVectorSetValue(V, 1.0); 107 CeedOperatorApplyAdd(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 108 109 // Check output 110 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 111 sum = -Nu; 112 for (CeedInt i=0; i<Nu; i++) 113 sum += hv[i]; 114 if (fabs(sum-(1.))>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum); 115 CeedVectorRestoreArrayRead(V, &hv); 116 117 CeedQFunctionDestroy(&qf_setup); 118 CeedQFunctionDestroy(&qf_mass); 119 CeedOperatorDestroy(&op_setup); 120 CeedOperatorDestroy(&op_mass); 121 CeedElemRestrictionDestroy(&Erestrictu); 122 CeedElemRestrictionDestroy(&Erestrictx); 123 CeedElemRestrictionDestroy(&Erestrictui); 124 CeedElemRestrictionDestroy(&Erestrictxi); 125 CeedBasisDestroy(&bu); 126 CeedBasisDestroy(&bx); 127 CeedVectorDestroy(&X); 128 CeedVectorDestroy(&U); 129 CeedVectorDestroy(&V); 130 CeedVectorDestroy(&qdata); 131 CeedDestroy(&ceed); 132 return 0; 133 } 134