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ISF_FastCaloSim
ISF_FastCaloSimParametrization
ISF_FastCaloSimParametrization
FSmap.h
Go to the documentation of this file.
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/*
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Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
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*/
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#ifndef ISF_FSmap_H
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#define ISF_FSmap_H
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#include<map>
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#include<math.h>
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template
<
class
_Key,
class
_Tp >
class
FSmap
:
public
std::map< _Key , _Tp > {
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public
:
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typedef
_Key
key_type
;
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typedef
typename
std::map< _Key , _Tp >::iterator
iterator
;
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typedef
typename
std::map< _Key , _Tp >::const_iterator
const_iterator
;
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const_iterator
find_closest
(
const
key_type
&
k
)
const
{
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if
(
std::map< _Key , _Tp >::size
()==0)
return
std::map< _Key , _Tp >::end
();
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const_iterator
i
=std::map< _Key , _Tp >::lower_bound(
k
);
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if
(
i
==
std::map< _Key , _Tp >::end
()) {
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--
i
;
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return
i
;
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}
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if
(
i
==
std::map< _Key , _Tp >::begin
())
return
i
;
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const_iterator
il
=
i
;
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--
il
;
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if
( fabs(
il
->first -
k
) > fabs(
i
->first -
k
) )
return
i
;
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else
return
il
;
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};
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iterator
find_closest
(
const
key_type
&
k
) {
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if
(
std::map< _Key , _Tp >::size
()==0)
return
std::map< _Key , _Tp >::end
();
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iterator
i
=std::map< _Key , _Tp >::lower_bound(
k
);
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if
(
i
==
std::map< _Key , _Tp >::end
()) {
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--
i
;
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return
i
;
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}
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if
(
i
==
std::map< _Key , _Tp >::begin
())
return
i
;
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iterator
il
=
i
;
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--
il
;
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if
( fabs(
il
->first -
k
) > fabs(
i
->first -
k
) )
return
i
;
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else
return
il
;
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};
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};
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#endif
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il
Definition:
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FSmap
Definition:
FSmap.h:11
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int size
Definition:
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Definition:
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FSmap::key_type
_Key key_type
Definition:
FSmap.h:13
FSmap::iterator
std::map< _Key, _Tp >::iterator iterator
Definition:
FSmap.h:14
FSmap::find_closest
iterator find_closest(const key_type &k)
Definition:
FSmap.h:32
FSmap::find_closest
const_iterator find_closest(const key_type &k) const
Definition:
FSmap.h:17
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k
Definition:
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FSmap::const_iterator
std::map< _Key, _Tp >::const_iterator const_iterator
Definition:
FSmap.h:15
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