QMcBeaver: QMCLineSearchStepLengthSelectionAlgorithm.h Source File

00001 //            QMcBeaver
00002 //
00003 //         Constructed by 
00004 //
00005 //     Michael Todd Feldmann 
00006 //              and 
00007 //   David Randall "Chip" Kent IV
00008 //
00009 // Copyright 2000-2.  All rights reserved.
00010 //
00011 // drkent@users.sourceforge.net mtfeldmann@users.sourceforge.net
00012 
00013 #ifndef QMCLineSearchStepLengthSelectionAlgorithm_H
00014 #define QMCLineSearchStepLengthSelectionAlgorithm_H
00015 
00016 #include "QMCObjectiveFunction.h"
00017 
00023 class QMCLineSearchStepLengthSelectionAlgorithm
00024 {
00025 public:
00029   virtual ~QMCLineSearchStepLengthSelectionAlgorithm(){}
00030 
00038   virtual double stepLength(QMCObjectiveFunction *function, 
00039                             Array1D<double> & array1,
00040                             Array1D<double> & array2,
00041                             Array1D<double> & array3,
00042                             Array2D<double> & matrix1,
00043                             double scalar1) = 0;
00044 
00045 };
00046 
00047 #endif