/usr/include/trilinos/MLAPI_EpetraBaseOperator.h is in libtrilinos-ml-dev 12.12.1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | #ifndef MLAPI_EPETRAPRECONDITIONER_H
#define MLAPI_EPETRAPRECONDITIONER_H
/*!
\file MLAPI_EpetraBaseOperator.h
\brief Basic class to wrap MLAPI::InverseOperator into Epetra_Operator.
\author Marzio Sala, D-INFK/ETHZ.
\date Last updated on Mar-06.
*/
/* ******************************************************************** */
/* See the file COPYRIGHT for a complete copyright notice, contact */
/* person and disclaimer. */
/* ******************************************************************** */
#include "ml_common.h"
#include "Epetra_Operator.h"
#include "MLAPI_Error.h"
#include "MLAPI_BaseOperator.h"
#include "MLAPI_Workspace.h"
#include "Epetra_MultiVector.h"
#include "Epetra_Map.h"
#include "Epetra_Comm.h"
#include "ml_epetra.h"
namespace MLAPI {
/*!
\class EpetraBaseOperator
\brief Basic class to wrap MLAPI::InverseOperator into Epetra_Operator.
\author Marzio Sala, SNL 9214.
\date Last updated on Feb-05.
*/
class EpetraBaseOperator : public Epetra_Operator {
public:
//! Constructor.
EpetraBaseOperator(const Epetra_Map& inMap,
const BaseOperator& Op) :
Map_(inMap),
Op_(Op)
{}
//! Destructor.
virtual ~EpetraBaseOperator() {}
//! Applies the operator to \c X, returns the results in \c Y.
/*! \note Apply() and ApplyInverse() are the SAME function!
*/
int ApplyInverse(const Epetra_MultiVector& X_Epetra,
Epetra_MultiVector& Y_Epetra) const
{
return(Apply(X_Epetra, Y_Epetra));
}
//! Sets the use of tranpose (NOT IMPLEMENTED).
virtual int SetUseTranspose(bool UseTransposeFlag)
{
ML_CHK_ERR(-1);
}
//! Applies the operator to \c X, returns the results in \c Y.
virtual int Apply(const Epetra_MultiVector& X_Epetra,
Epetra_MultiVector& Y_Epetra) const
{
// NOTE: no checks on maps. These checks can be
// expensive, and I prefer to skip them.
if (X_Epetra.NumVectors() != Y_Epetra.NumVectors())
ML_THROW("X.NumVectors() != Y.NumVectors(), " +
GetString(X_Epetra.NumVectors()) + " vs. " +
GetString(Y_Epetra.NumVectors()), -1);
// FIXME: this is not the most efficient way (though for
// ML should be the same, as there is not native support
// for multivectors I am using)
for (int v = 0 ; v < X_Epetra.NumVectors() ; ++v) {
MultiVector X_ML(Op_.GetOperatorDomainSpace(),(double**)&(X_Epetra[v]), 1);
// need additional vector for AztecOO
MultiVector Y_ML(Op_.GetOperatorRangeSpace(), 1);
ML_CHK_ERR(Op_.Apply(X_ML,Y_ML));
int n = Y_Epetra.MyLength();
int incr = 1;
DCOPY_F77(&n, Y_ML.GetValues(0), &incr, &(Y_Epetra[v][0]), &incr);
}
return(0);
}
//! NOT IMPLEMENTED.
virtual double NormInf() const
{
return(-1.0);
}
//! Returns the label of \c this object.
virtual const char* Label() const
{
return(Op_.GetLabel().c_str());
}
//! Returns \c false.
virtual bool UseTranspose() const
{
return(false);
}
//! NOT IMPLEMENTED.
virtual bool HasNormInf() const
{
return(false);
}
//! Returns a reference to the communicator object.
virtual const Epetra_Comm& Comm() const
{
return(GetEpetra_Comm());
}
//! Returns a reference to the OperatorDomainMap.
virtual const Epetra_Map& OperatorDomainMap() const
{
return(Map_);
}
//! Returns a reference to the OperatorRangeMap.
virtual const Epetra_Map& OperatorRangeMap() const
{
return(Map_);
}
//! Returns a reference to the Map of \c this object.
virtual const Epetra_Map& Map() const
{
return(Map_);
}
const BaseOperator& GetBaseOperator() const
{
return(Op_);
}
private:
//! Copy constructor (should not be used).
EpetraBaseOperator(const EpetraBaseOperator& rhs) :
Map_(rhs.Map()),
Op_(rhs.GetBaseOperator())
{ }
//! operator= (should not be used).
EpetraBaseOperator& operator=(const EpetraBaseOperator& rhs)
{
return(*this);
}
//! Reference to the Map.
const Epetra_Map& Map_;
//! Reference to the MLAPI BaseOperator.
const BaseOperator& Op_;
}; // Epetra_MultiVector
} // namespace MLAPI
#endif
|