itkBinaryOperationConcept.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
 *
 *         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.
 *
 *=========================================================================*/
 
#ifndef itkBinaryOperationConcept_h
#define itkBinaryOperationConcept_h
 
#include "itkPromoteType.h"
 
namespace itk
{
namespace Details
{
namespace op
{
struct BinaryOperationConcept
{};
 
struct Plus : BinaryOperationConcept
{
  template <typename T1, typename T2>
  static typename mpl::PromoteType<T1, T2>::Type
  Apply(T1 const & lhs, T2 const & rhs)
  {
    return lhs + rhs;
  }
};
 
struct Sub : BinaryOperationConcept
{
  template <typename T1, typename T2>
  static typename mpl::PromoteType<T1, T2>::Type
  Apply(T1 const & lhs, T2 const & rhs)
  {
    return lhs - rhs;
  }
};
 
struct Mult : BinaryOperationConcept
{
  template <typename T1, typename T2>
  static typename mpl::PromoteType<T1, T2>::Type
  Apply(T1 const & lhs, T2 const & rhs)
  {
    return lhs * rhs;
  }
};
 
struct Div : BinaryOperationConcept
{
  template <typename T1, typename T2>
  static typename mpl::PromoteType<T1, T2>::Type
  Apply(T1 const & lhs, T2 const & rhs)
  {
    return lhs / rhs;
  }
};
 
} // namespace op
} // namespace Details
} // namespace itk
 
#endif // itkBinaryOperationConcept_h