SimG4CMS
Forward
src
TotemNumberMerger.cc
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// -*- C++ -*-
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//
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// Package: Forward
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// Class : TotemNumberMerger
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//
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// Implementation:
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// <Notes on implementation>
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//
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// Original Author: R. Capra
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// Created: Tue May 16 10:14:34 CEST 2006
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//
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// system include files
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// user include files
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#include "
SimG4CMS/Forward/interface/TotemNumberMerger.h
"
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#include "
FWCore/MessageLogger/interface/MessageLogger.h
"
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//
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// constructors and destructor
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//
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TotemNumberMerger ::TotemNumberMerger
() {
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#ifdef SCRIVI
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LogDebug
(
"ForwardSim"
) <<
"Creating TotemNumberMerger"
;
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#endif
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}
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TotemNumberMerger ::~TotemNumberMerger
() {
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#ifdef SCRIVI
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LogDebug
(
"ForwardSim"
) <<
"Destruction of TotemNumberMerger"
;
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#endif
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}
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//
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// member functions
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//
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unsigned
long
TotemNumberMerger ::Merge
(
unsigned
long
value1
,
unsigned
long
value2
)
const
{
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unsigned
long
c
(
value1
+
value2
);
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unsigned
long
result
(((
c
* (
c
+ 1)) >> 1) +
value1
);
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#ifdef SCRIVI
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LogDebug
(
"ForwardSim"
) <<
"Merge(value1="
<<
value1
<<
", value2="
<<
value2
<<
")="
<<
result
;
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unsigned
long
invValue1, invValue2;
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Split
(
result
, invValue1, invValue2);
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assert
(invValue1 ==
value1
);
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assert
(invValue2 ==
value2
);
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#endif
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return
result
;
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}
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unsigned
long
TotemNumberMerger ::Merge
(
unsigned
long
value1
,
unsigned
long
value2
,
unsigned
long
value3)
const
{
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return
Merge
(
Merge
(
value1
,
value2
), value3);
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}
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unsigned
long
TotemNumberMerger ::Merge
(
unsigned
long
value1
,
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unsigned
long
value2
,
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unsigned
long
value3,
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unsigned
long
value4)
const
{
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return
Merge
(
Merge
(
value1
,
value2
),
Merge
(value3, value4));
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}
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void
TotemNumberMerger ::Split
(
unsigned
long
source
,
unsigned
long
&
value1
,
unsigned
long
&
value2
)
const
{
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unsigned
long
c
(static_cast<unsigned long>(floor(
sqrt
(1. + 8. * static_cast<float>(
source
)) * 0.5 - 0.5)));
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value1
=
source
- ((
c
* (
c
+ 1)) >> 1);
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value2
=
c
-
value1
;
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#ifdef SCRIVI
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LogDebug
(
"ForwardSim"
) <<
"source="
<<
source
<<
", c="
<<
c
<<
", value1="
<<
value1
<<
", value2="
<<
value2
;
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#endif
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}
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void
TotemNumberMerger ::Split
(
unsigned
long
source
,
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unsigned
long
&
value1
,
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unsigned
long
&
value2
,
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unsigned
long
&value3)
const
{
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unsigned
long
mix12;
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Split
(
source
, mix12, value3);
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Split
(mix12,
value1
,
value2
);
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}
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void
TotemNumberMerger ::Split
(
unsigned
long
source
,
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unsigned
long
&
value1
,
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unsigned
long
&
value2
,
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unsigned
long
&value3,
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unsigned
long
&value4)
const
{
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unsigned
long
mix12, mix34;
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Split
(
source
, mix12, mix34);
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Split
(mix12,
value1
,
value2
);
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Split
(mix34, value3, value4);
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}
MessageLogger.h
cms::cuda::assert
assert(be >=bs)
TotemNumberMerger.h
TotemNumberMerger::~TotemNumberMerger
~TotemNumberMerger()
Definition:
TotemNumberMerger.cc:28
TotemNumberMerger::TotemNumberMerger
TotemNumberMerger()
Definition:
TotemNumberMerger.cc:22
mathSSE::sqrt
T sqrt(T t)
Definition:
SSEVec.h:19
source
static const std::string source
Definition:
EdmProvDump.cc:47
TotemNumberMerger::Split
void Split(unsigned long source, unsigned long &value1, unsigned long &value2) const
Definition:
TotemNumberMerger.cc:66
LogDebug
#define LogDebug(id)
Definition:
MessageLogger.h:223
TotemNumberMerger::Merge
unsigned long Merge(unsigned long value1, unsigned long value2) const
Definition:
TotemNumberMerger.cc:38
HLT_FULL_cff.value2
value2
Definition:
HLT_FULL_cff.py:9931
HltBtagPostValidation_cff.c
c
Definition:
HltBtagPostValidation_cff.py:31
HLT_FULL_cff.value1
value1
Definition:
HLT_FULL_cff.py:9932
mps_fire.result
result
Definition:
mps_fire.py:311
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