itkDecisionRule.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 itkDecisionRule_h
#define itkDecisionRule_h
 
#include <vector>
#include "vnl/vnl_matrix.h"
#include "itkObject.h"
#include "itkObjectFactory.h"
#include "itkArray.h"
#include "ITKStatisticsExport.h"
 
namespace itk::Statistics
{
 
class ITKStatistics_EXPORT DecisionRule : public Object
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(DecisionRule);

  using Self = DecisionRule;
  using Superclass = Object;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkOverrideGetNameOfClassMacro(DecisionRule);

  using MembershipValueType = double;
  using MembershipVectorType = std::vector<MembershipValueType>;

  using ClassIdentifierType = MembershipVectorType::size_type;

  virtual ClassIdentifierType
  Evaluate(const MembershipVectorType & discriminantScores) const = 0;
 
protected:
  DecisionRule();
  ~DecisionRule() override;
}; // end of class
} // namespace itk::Statistics
 
#endif