MatrixFloat.h

/*
GRT MIT License
Copyright (c) <2012> <Nicholas Gillian, Media Lab, MIT>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
and associated documentation files (the "Software"), to deal in the Software without restriction, 
including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial 
portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 
LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

#ifndef GRT_MATRIX_FLOAT_HEADER
#define GRT_MATRIX_FLOAT_HEADER

#include "Matrix.h"
#include "VectorFloat.h"
#include "../Util/MinMax.h"
#include "../Util/Log.h"
#include "../Util/DebugLog.h"
#include "../Util/ErrorLog.h"
#include "../Util/WarningLog.h"
#include "../Util/FileParser.h"
#include "../Util/ErrorLog.h"

GRT_BEGIN_NAMESPACE

class GRT_API MatrixFloat : public Matrix< Float >{
public:
    MatrixFloat();
    
    MatrixFloat(const unsigned int rows,const unsigned int cols);
    
    MatrixFloat(const MatrixFloat &rhs);
    
    MatrixFloat(const Matrix< Float > &rhs);

    MatrixFloat(const Vector< VectorFloat > &rhs);
    
    virtual ~MatrixFloat();
    
    MatrixFloat& operator=(const MatrixFloat &rhs);
    
    MatrixFloat& operator=(const Matrix< Float > &rhs);
    
    MatrixFloat& operator=(const Vector< VectorFloat > &rhs);

    VectorFloat getRow(const unsigned int r) const{
        VectorFloat rowVector(cols);
        for(unsigned int c=0; c<cols; c++)
            rowVector[c] = dataPtr[r*cols+c];
        return rowVector;
    }

    VectorFloat getCol(const unsigned int c) const{
        VectorFloat columnVector(rows);
        for(unsigned int r=0; r<rows; r++)
            columnVector[r] = dataPtr[r*cols+c];
        return columnVector;
    }
    
    //virtual bool resize(const unsigned int rows,const unsigned int cols);
    
    bool save(const std::string &filename) const;
    
    bool load(const std::string &filename,const char seperator = ',');
    
    bool saveToCSVFile(const std::string &filename) const;
    
    bool loadFromCSVFile(const std::string &filename,const char seperator = ',');
    
    bool print(const std::string title="") const;
    
    bool transpose();
    
    bool scale(const Float minTarget,const Float maxTarget);
    
    bool scale(const Vector< MinMax > &ranges,const Float minTarget,const Float maxTarget);
    
    bool znorm(const Float alpha = 0.001);
    
    MatrixFloat multiple(const Float value) const;
    
    VectorFloat multiple(const VectorFloat &b) const;
    
    MatrixFloat multiple(const MatrixFloat &b) const;
    
    bool multiple(const MatrixFloat &a,const MatrixFloat &b,const bool aTranspose = false);
    
    bool add(const MatrixFloat &b);
    
    bool add(const MatrixFloat &a,const MatrixFloat &b);
    
    bool subtract(const MatrixFloat &b);
    
    bool subtract(const MatrixFloat &a,const MatrixFloat &b);
    
    Float getMinValue() const;
    
    Float getMaxValue() const;
    
    VectorFloat getMean() const;
    
    VectorFloat getStdDev() const;
    
    MatrixFloat getCovarianceMatrix() const;
    
    Vector< MinMax > getRanges() const;
    
    Float getTrace() const;
    
protected:
    
    Float stringToFloat(const std::string &value){
        std::stringstream s( value );
        Float d;
        s >> d;
        return d;
    }
  
    WarningLog warningLog;
    ErrorLog errorLog;
    
};
    
GRT_END_NAMESPACE

#endif //Header guard