otbSOMLearningBehaviorFunctor.h

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/*
 * Copyright (C) 2005-2024 Centre National d'Etudes Spatiales (CNES)
 * Copyright (C) 2007-2012 Institut Mines Telecom / Telecom Bretagne
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
 
#ifndef otbSOMLearningBehaviorFunctor_h
#define otbSOMLearningBehaviorFunctor_h
 
namespace otb
{
 
namespace Functor
{
 
class SOMLearningBehaviorFunctor
{
public:
  SOMLearningBehaviorFunctor()
  {
  }
  virtual ~SOMLearningBehaviorFunctor()
  {
  }
 
  virtual double operator()(unsigned int currentIteration, unsigned int numberOfIterations, double betaInit, double betaEnd) const
  {
    return betaInit + (betaEnd - betaInit) * static_cast<double>(currentIteration) / static_cast<double>(numberOfIterations);
  }
 
}; // end of class SOMLearningBehaviorFunctor
 
} // end namespace Functor
 
} // end namespace otb
 
#endif