GetInputVMatrix.cc

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// -*- C++ -*-

// GetInputVMatrix.cc
//
// Copyright (C) 2004 Olivier Delalleau 
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// 
//  1. Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
// 
//  2. Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in the
//     documentation and/or other materials provided with the distribution.
// 
//  3. The name of the authors may not be used to endorse or promote
//     products derived from this software without specific prior written
//     permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
// NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 
// This file is part of the PLearn library. For more information on the PLearn
// library, go to the PLearn Web site at www.plearn.org

/* *******************************************************      
   * $Id: GetInputVMatrix.cc,v 1.1 2004/06/30 16:51:39 tihocan Exp $ 
   ******************************************************* */

// Authors: Olivier Delalleau

#include "GetInputVMatrix.h"

namespace PLearn {
using namespace std;

// GetInputVMatrix //
GetInputVMatrix::GetInputVMatrix() 
{
}

GetInputVMatrix::GetInputVMatrix(VMat the_source) {
  this->source = the_source;
  build_();
}

PLEARN_IMPLEMENT_OBJECT(GetInputVMatrix,
    "This VMatrix only sees the input part of its source VMatrix.",
    ""
);

// declareOptions //
void GetInputVMatrix::declareOptions(OptionList& ol)
{
  // ### ex:
  // declareOption(ol, "myoption", &GetInputVMatrix::myoption, OptionBase::buildoption,
  //               "Help text describing this option");
  // ...

  // Now call the parent class' declareOptions
  inherited::declareOptions(ol);
}

// build //
void GetInputVMatrix::build()
{
  inherited::build();
  build_();
}

// build_ //
void GetInputVMatrix::build_()
{
  targetsize_ = 0;
  weightsize_ = 0;
  if (source) {
    inputsize_ = source->inputsize();
    if (inputsize_ < 0) {
      PLERROR("In GetInputVMatrix::build_ - The source VMatrix doesn't have an inputsize defined");
    }
    indices.resize(inputsize_);
    for (int i = 0; i < inputsize_; i++) {
      indices[i] = i;
    }
  }
  // We need to rebuild the SelectColumnsVMatrix.
  inherited::build();
}

// makeDeepCopyFromShallowCopy //
void GetInputVMatrix::makeDeepCopyFromShallowCopy(map<const void*, void*>& copies)
{
  inherited::makeDeepCopyFromShallowCopy(copies);

  // ### Call deepCopyField on all "pointer-like" fields 
  // ### that you wish to be deepCopied rather than 
  // ### shallow-copied.
  // ### ex:
  // deepCopyField(trainvec, copies);

  // ### Remove this line when you have fully implemented this method.
  PLERROR("GetInputVMatrix::makeDeepCopyFromShallowCopy not fully (correctly) implemented yet!");
}

} // end of namespace PLearn

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