ITK  5.0.0
Insight Segmentation and Registration Toolkit
itkHeavisideStepFunctionBase.h
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18 #ifndef itkHeavisideStepFunctionBase_h
19 #define itkHeavisideStepFunctionBase_h
20 
21 #include "itkFunctionBase.h"
22 #include "itkConceptChecking.h"
23 
24 namespace itk
25 {
53 template< typename TInput = float, typename TOutput = double >
54 class HeavisideStepFunctionBase:public FunctionBase< TInput, TOutput >
55 {
56 public:
57  ITK_DISALLOW_COPY_AND_ASSIGN(HeavisideStepFunctionBase);
58 
63 
65  itkTypeMacro ( HeavisideStepFunctionBase, FunctionBase );
66 
67 
68  using InputType = typename Superclass::InputType;
70 
72  OutputType Evaluate(const InputType & input) const override = 0;
73 
75  virtual OutputType EvaluateDerivative(const InputType & input) const = 0;
76 
77 #ifdef ITK_USE_CONCEPT_CHECKING
78  itkConceptMacro( DoubleConvertibleToInputCheck,
80 
81  itkConceptMacro( DoubleConvertibleToOutputCheck,
83 #endif // ITK_USE_CONCEPT_CHECKING
84 
85 protected:
87  ~HeavisideStepFunctionBase() override = default;
88 };
89 }
90 
91 #endif
OutputType Evaluate(const InputType &input) const override=0
Base class for all ITK function objects.
virtual OutputType EvaluateDerivative(const InputType &input) const =0
Base class for most ITK classes.
Definition: itkObject.h:60
#define itkConceptMacro(name, concept)
~HeavisideStepFunctionBase() override=default
Base class of the Heaviside function.