Belle II Software
release-05-01-25
ValueIndexPairSorting.h
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/**************************************************************************
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* BASF2 (Belle Analysis Framework 2) *
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* Copyright(C) 2019 Belle II Collaboration *
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* *
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* Author: The Belle II Collaboration *
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* Contributors: Frank Meier *
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* *
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* This software is provided "as is" without any warranty. *
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**************************************************************************/
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#pragma once
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#include <utility>
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namespace
Belle2
{
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namespace
ValueIndexPairSorting {
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template
<
class
T>
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auto
higherPair = [](
const
T& a,
const
T& b) ->
bool
{
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// always put NaN to the end
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if
(std::isnan(a.first))
return
false
;
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if
(std::isnan(b.first))
return
true
;
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return
a.first > b.first;
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};
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template
<
class
T>
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auto
lowerPair = [](
const
T& a,
const
T& b) ->
bool
{
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// always put NaN to the end
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if
(std::isnan(a.first))
return
false
;
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if
(std::isnan(b.first))
return
true
;
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return
a.first < b.first;
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};
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}
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}
Belle2
Abstract base class for different kinds of events.
Definition:
MillepedeAlgorithm.h:19
analysis
utility
include
ValueIndexPairSorting.h
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