vpSubRowVector.cpp

/****************************************************************************
 *
 * $Id: vpSubRowVector.cpp 4632 2014-02-03 17:06:40Z 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:
 * Mask on a vpRowVector .
 *
 * Authors:
 * Laneurit Jean
 *
 *****************************************************************************/


#include <visp/vpSubRowVector.h>
#include <visp/vpException.h>
#include <visp/vpMatrixException.h>
#include <visp/vpDebug.h>
#include <stdlib.h>

vpSubRowVector::vpSubRowVector()
  : pColNum(0), parent(NULL)
{
}

vpSubRowVector::vpSubRowVector(vpRowVector &v, const unsigned int & offset,const unsigned int & ncols)
  : pColNum(0), parent(NULL)
{
  init(v, offset, ncols);
}

void vpSubRowVector::init(vpRowVector &v, const unsigned int & offset,const unsigned int & ncols){
  
  if(!v.data){
      vpERROR_TRACE("\n\t\t vpSubColvector parent vpRowVector has been destroyed");
      throw(vpMatrixException(vpMatrixException::incorrectMatrixSizeError,
            "\n\t\t \n\t\t vpSubColvector parent vpRowVector has been destroyed")) ;
  }
  
  if(offset+ncols<=v.getCols()){
    data=v.data+offset;
      
    rowNum=1;
    colNum = ncols;
    
    pColNum=v.getCols();
    parent=&v;
    
    if(rowPtrs)
      free(rowPtrs);
    
    rowPtrs=(double**) malloc(1 * sizeof(double*));
    for(unsigned int i=0;i<1;i++)
      rowPtrs[i]=v.data+i+offset;
    
    dsize = colNum ;
    trsize =0 ;
  }else{
        vpERROR_TRACE("SubRowVector cannot be contain in parent RowVector") ;
    throw(vpMatrixException(vpMatrixException::incorrectMatrixSizeError,"SubRowVector cannot be contain in parent RowVector")) ;
  }
}

vpSubRowVector::~vpSubRowVector(){
  data=NULL ;
}

void vpSubRowVector::checkParentStatus(){
      if(!data){
    vpERROR_TRACE("\n\t\t vpSubColvector parent vpRowVector has been destroyed");
    throw(vpMatrixException(vpMatrixException::incorrectMatrixSizeError,
            "\n\t\t \n\t\t vpSubColvector parent vpRowVector has been destroyed")) ;
      }
      if(pColNum!=parent->getCols()){
    vpERROR_TRACE("\n\t\t vpSubColvector size of parent vpRowVector has been changed");
    throw(vpMatrixException(vpMatrixException::incorrectMatrixSizeError,
            "\n\t\t \n\t\t vpSubColvector size of parent vpRowVector has been changed")) ;
     }
}

vpSubRowVector & vpSubRowVector::operator=(const vpSubRowVector &B){
  
    if ( colNum != B.getCols())
    {
        vpERROR_TRACE("\n\t\t vpSubRowVector mismatch in operator vpSubRowVector=vpSubRowVector") ;
        throw(vpMatrixException(vpMatrixException::incorrectMatrixSizeError,
                "\n\t\t \n\t\t vpSubMatrix mismatch in operator vpSubRowVector=vpSubRowVector")) ;
    }
    
    for (unsigned int i=0;i<rowNum;i++)
        data[i] = B[i];
    
    return *this;
}

vpSubRowVector & vpSubRowVector::operator=(const vpRowVector &B){
    if ( colNum != B.getCols())
    {
        vpERROR_TRACE("\n\t\t vpSubRowVector mismatch in operator vpSubRowVector=vpRowVector") ;
        throw(vpMatrixException(vpMatrixException::incorrectMatrixSizeError,
                "\n\t\t \n\t\t vpSubMatrix mismatch in operator vpSubRowVector=vpRowVector")) ;
    }
    
    for (unsigned int i=0;i<rowNum;i++)
        data[i] = B[i];
    
    return *this;
}

vpSubRowVector & vpSubRowVector::operator=(const vpMatrix &B){
        if ((B.getRows()!=1)||(colNum != B.getCols()))
    {
        vpERROR_TRACE("\n\t\t vpSubRowVector mismatch in operator vpSubRowVector=vpMatrix") ;
        throw(vpMatrixException(vpMatrixException::incorrectMatrixSizeError,
                "\n\t\t \n\t\t vpSubMatrix mismatch in operator vpSubRowVector=vpMatrix")) ;
    }
  
    for (unsigned int i=0;i<rowNum;i++)
        data[i] = B[i][1];
    return *this;
}
vpSubRowVector & vpSubRowVector::operator=(const double &x){
        for (unsigned int i=0;i<rowNum;i++)
        data[i] = x;
    return *this;
}