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vigra_ext::NestFunctor< F1, F2 > Struct Template Reference

functor to combine two functors: result = f1( f2(v) ) More...

#include <utils.h>

List of all members.

Public Types
typedef F1::result_type	result_type
	the functor's second argument type
Public Member Functions
	NestFunctor (const F1 &fu1, const F2 &fu2)
template<class T1>
result_type	operator() (T1 const &v) const
template<class T1, class T2>
result_type	operator() (T1 const &v1, T2 const &v2) const
	if F2 takes 2 arguments
template<class T1, class T2, class T3>
result_type	operator() (T1 const &v1, T2 const &v2, T3 const &v3) const
	if F2 takes 3 arguments
Public Attributes
F1	f1
F2	f2

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Detailed Description

template<class F1, class F2>
struct vigra_ext::NestFunctor< F1, F2 >

functor to combine two functors: result = f1( f2(v) )

The functors are copied, so there is no way to get their internal state after they have been applied.

This is quite useful for multithreaded processing.

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Member Typedef Documentation

template<class F1, class F2> typedef F1::result_type vigra_ext::NestFunctor< F1, F2 >::result_type

the functor's second argument type

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Constructor & Destructor Documentation

template<class F1, class F2> vigra_ext::NestFunctor< F1, F2 >::NestFunctor (  const F1 &  fu1, const F2 &  fu2 )  [inline]

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Member Function Documentation

template<class F1, class F2> template<class T1, class T2, class T3> result_type vigra_ext::NestFunctor< F1, F2 >::operator() (  T1 const &  v1, T2 const &  v2, T3 const &  v3 )  const [inline]

if F2 takes 3 arguments

template<class F1, class F2> template<class T1, class T2> result_type vigra_ext::NestFunctor< F1, F2 >::operator() (  T1 const &  v1, T2 const &  v2 )  const [inline]

if F2 takes 2 arguments

template<class F1, class F2> template<class T1> result_type vigra_ext::NestFunctor< F1, F2 >::operator() (  T1 const &  v  )  const [inline]

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Member Data Documentation

template<class F1, class F2> F1 vigra_ext::NestFunctor< F1, F2 >::f1

template<class F1, class F2> F2 vigra_ext::NestFunctor< F1, F2 >::f2

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The documentation for this struct was generated from the following file:

• hugin_base/vigra_ext/utils.h

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