vpRowVector.h

/****************************************************************************
 *
 * $Id: vpRowVector.h 5185 2015-01-21 14:36:41Z fspindle $
 *
 * This file is part of the ViSP software.
 * Copyright (C) 2005 - 2014 by INRIA. All rights reserved.
 * 
 * This software is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * ("GPL") version 2 as published by the Free Software Foundation.
 * See the file LICENSE.txt at the root directory of this source
 * distribution for additional information about the GNU GPL.
 *
 * For using ViSP with software that can not be combined with the GNU
 * GPL, please contact INRIA about acquiring a ViSP Professional 
 * Edition License.
 *
 * See http://www.irisa.fr/lagadic/visp/visp.html for more information.
 * 
 * This software was developed at:
 * INRIA Rennes - Bretagne Atlantique
 * Campus Universitaire de Beaulieu
 * 35042 Rennes Cedex
 * France
 * http://www.irisa.fr/lagadic
 *
 * If you have questions regarding the use of this file, please contact
 * INRIA at visp@inria.fr
 * 
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *
 * Description:
 * Operation on row vectors.
 *
 * Authors:
 * Eric Marchand
 *
 *****************************************************************************/




#ifndef vpRowVector_H
#define vpRowVector_H

#include <visp/vpMatrix.h>

class vpMatrix;

class VISP_EXPORT vpRowVector : public vpMatrix
{
  friend class vpMatrix;


protected:
  vpRowVector(vpMatrix &m, unsigned int i);

public:
  vpRowVector() : vpMatrix() {};
  vpRowVector(unsigned int n) : vpMatrix(1, n){};
  vpRowVector(unsigned int n, double val) : vpMatrix(1, n, val){};
  vpRowVector(const vpRowVector &v);

  void insert(unsigned int i, const vpRowVector &v);

  inline void resize(const unsigned int i, const bool flagNullify = true)
  {
    vpMatrix::resize(1, i, flagNullify);
  }
  inline double &operator [](unsigned int n)             { return *(data+n); }
  inline const double &operator [](unsigned int n) const { return *(data+n) ; }

  vpRowVector &operator=(const vpRowVector &v);
  vpRowVector & operator=(const vpMatrix &m) ;
  vpRowVector& operator=(const double x);

  double  operator*(const vpColVector &x) const;
  vpRowVector operator*(const vpMatrix &A) const;

  vpRowVector operator+(const vpRowVector &v) const;

  vpRowVector operator-(const vpRowVector &v) const;

  vpRowVector operator-() const;
  // Copy operator.   Allow operation such as A << v
  vpRowVector &operator<<(const vpRowVector &v);

  void reshape(vpMatrix & m,const unsigned int &nrows,const unsigned int &ncols);
  vpMatrix reshape(const unsigned int &nrows,const unsigned int &ncols);
  
  vpColVector t() const;

  vpRowVector &normalize() ;
  vpRowVector &normalize(vpRowVector &x) const ;

  inline unsigned int size() const
  {
    return getCols();
  }

};


#endif


/*
 * Local variables:
 * c-basic-offset: 2
 * End:
 */