mitkVnlVectorCaster.h

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/*============================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.

Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.

============================================================================*/
#ifndef mitkVnlVectorCaster_h
#define mitkVnlVectorCaster_h

#include <vnl/vnl_vector.h>
#include <mitkObservable.h>
#include <mitkAlgorithm.h>

namespace mitk
{
  template <class T, class R>
  class VnlVectorCaster:
    virtual public Algorithm
  {
  public:
    VnlVectorCaster(
      const vnl_vector<T>* _InputVector,
      vnl_vector<R>* _OutputVector):
        m_InputVector(_InputVector),
        m_OutputVector(_OutputVector)
    {
    }

    static void Update(
      const vnl_vector<T>& _InputVector,
      vnl_vector<R>& _OutputVector)
    {
      for( size_t i=0; i<_InputVector.size(); ++i )
        _OutputVector[i] = static_cast<R>( _InputVector[i] );
    }

    void Update()
    {
      Update( *m_InputVector, *m_OutputVector );
    }
  private:
    const vnl_vector<T>* m_InputVector;
    vnl_vector<R>* m_OutputVector;
  };
} // namespace mitk

#endif // mitkVnlVectorCaster_h