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#ifndef _MINIMIZERBASE_H_ |
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#define _MINIMIZERBASE_H_ |
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#include <string> |
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#include <vector> |
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#include "MinimizerParameterSet.hpp" |
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#define MINSTATUS_ERROR -1 |
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#define MINSTATUS_CONVERGE 0 |
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#define MINSTATUS_MAXITER 1 |
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using namespace std; |
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class MinimizerBase{ |
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public: |
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virtual void Minimize() = 0; |
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virtual int step() = 0; |
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virtual bool testConvergence() = 0; |
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//initialize the minimizer method |
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virtual void Init() = 0; |
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//minimize the model |
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virtual void minimize() = 0; |
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// |
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virtual int checkConvergence() = 0; |
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//check whether the model and the method are matched or not |
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virtual bool isSolvable() = 0; |
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void double setFTol(double tol); |
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void double setGradTol(double gradTol); |
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// get the final status of minimization |
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int getMinimizationStatus() {return minimizationStatus;} |
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void setStepSize(double step); |
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double getStepSize(); |
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// get the name of minimization method |
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const string getName() {return minimizerName;} |
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void setMaxStep(); |
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double getMaxStep(); |
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//set the name of minimiation method |
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void setName(const string& name) { minimizerName = name;} |
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const string& getMethodName(); |
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void setMethodName(const string& name); |
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protected: |
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int minStatus; |
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string minimizerName; |
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void setObjFunctor(); |
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void getObjFunctor(); |
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}; |
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/* |
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void setUpdateFunctor(); |
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void getUpdateFunctor(); |
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class Minimizer : public MinimizerBase{ |
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void setSearchFunctor(); |
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void getSearchFunctor(); |
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*/ |
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public: |
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protected: |
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virtual void printMinizerInfo() = 0; |
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double stepSize; |
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double maxStep; |
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double fTol; |
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double gradTol; |
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string methodName; |
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virtual MinimizerParameterSet* creatParameterSet() = 0; |
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void setMinX(vector<double>& x) { minX = x;} |
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vector<double> getMinX() { return minX;} |
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bool hasObjFunctor; |
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void setPrevMinX(vector<double>& x) { prevMinX = x;} |
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vector<double> getPrevMinX() {return prevMinX;} |
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/* |
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bool hasUpdateFunctor; |
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int getCurrentIteration() {return currentIter;} |
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bool hasSearchFunctor; |
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*/ |
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protected: |
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MinimizerParameterSet* paramSet; |
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int currentIter; |
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// Coordinates yielding the minimum value of the function. |
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vector<double> minX; |
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// Vector holding the previous point. |
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vector<double> prevMinX; |
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}; |
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#endif |
