itkSinImageFilter.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://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.
 *
 *=========================================================================*/
#ifndef itkSinImageFilter_h
#define itkSinImageFilter_h
 
#include "itkUnaryGeneratorImageFilter.h"
#include "itkMath.h"
 
namespace itk
{
namespace Functor
{
template <typename TInput, typename TOutput>
class Sin
{
public:
  bool
  operator==(const Sin &) const
  {
    return true;
  }
 
  ITK_UNEQUAL_OPERATOR_MEMBER_FUNCTION(Sin);
 
  inline TOutput
  operator()(const TInput & A) const
  {
    return static_cast<TOutput>(std::sin(static_cast<double>(A)));
  }
};
} // namespace Functor

template <typename TInputImage, typename TOutputImage>
class ITK_TEMPLATE_EXPORT SinImageFilter : public UnaryGeneratorImageFilter<TInputImage, TOutputImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(SinImageFilter);

  using Self = SinImageFilter;
  using Superclass = UnaryGeneratorImageFilter<TInputImage, TOutputImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
  using FunctorType = Functor::Sin<typename TInputImage::PixelType, typename TOutputImage::PixelType>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(SinImageFilter);
 
  itkConceptMacro(InputConvertibleToDoubleCheck, (Concept::Convertible<typename TInputImage::PixelType, double>));
  itkConceptMacro(DoubleConvertibleToOutputCheck, (Concept::Convertible<double, typename TOutputImage::PixelType>));
 
protected:
  SinImageFilter()
  {
#if !defined(ITK_WRAPPING_PARSER)
    Superclass::SetFunctor(FunctorType());
#endif
  }
 
  ~SinImageFilter() override = default;
};
} // end namespace itk
 
#endif