itkAtanRegularizedHeavisideStepFunction.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  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.txt
 *
 *  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.
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 *=========================================================================*/
#ifndef itkAtanRegularizedHeavisideStepFunction_h
#define itkAtanRegularizedHeavisideStepFunction_h

#include "itkRegularizedHeavisideStepFunction.h"

namespace itk
{
template< typename TInput = float, typename TOutput = double >
class ITK_TEMPLATE_EXPORT AtanRegularizedHeavisideStepFunction:
  public RegularizedHeavisideStepFunction< TInput, TOutput >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(AtanRegularizedHeavisideStepFunction);

  using Self = AtanRegularizedHeavisideStepFunction;
  using Superclass = RegularizedHeavisideStepFunction< TInput, TOutput >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(AtanRegularizedHeavisideStepFunction, RegularizedHeavisideStepFunction);

  using InputType = typename Superclass::InputType;
  using OutputType = typename Superclass::OutputType;
  using RealType = typename Superclass::RealType;

  OutputType Evaluate(const InputType & input) const override;

  OutputType EvaluateDerivative(const InputType & input) const override;

protected:

  AtanRegularizedHeavisideStepFunction() = default;
  ~AtanRegularizedHeavisideStepFunction() override = default;
};
}

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkAtanRegularizedHeavisideStepFunction.hxx"
#endif

#endif