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GPUTPCTrackLinearisation.h
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// Copyright CERN and copyright holders of ALICE O2. This software is
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// distributed under the terms of the GNU General Public License v3 (GPL
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// Version 3), copied verbatim in the file "COPYING".
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//
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// See http://alice-o2.web.cern.ch/license for full licensing information.
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//
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// In applying this license CERN does not waive the privileges and immunities
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// granted to it by virtue of its status as an Intergovernmental Organization
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// or submit itself to any jurisdiction.
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#ifndef GPUTPCTRACKLINEARISATION_H
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#define GPUTPCTRACKLINEARISATION_H
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#include "
GPUTPCTrackParam.h
"
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class
GPUTPCTrackLinearisation
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{
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public
:
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GPUTPCTrackLinearisation
() :
mSinPhi
(0),
mCosPhi
(1),
mDzDs
(0),
mQPt
(0) {}
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GPUTPCTrackLinearisation
(
double
SinPhi1,
double
CosPhi1,
double
DzDs1,
double
QPt1) :
mSinPhi
(SinPhi1),
mCosPhi
(CosPhi1),
mDzDs
(DzDs1),
mQPt
(QPt1) {}
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GPUTPCTrackLinearisation
(
const
GPUTPCTrackParam
&
t
);
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void
Set
(
double
SinPhi1,
double
CosPhi1,
double
DzDs1,
double
QPt1);
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double
SinPhi
()
const
{
return
mSinPhi
; }
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double
CosPhi
()
const
{
return
mCosPhi
; }
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double
DzDs
()
const
{
return
mDzDs
; }
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double
QPt
()
const
{
return
mQPt
; }
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double
GetSinPhi
()
const
{
return
mSinPhi
; }
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double
GetCosPhi
()
const
{
return
mCosPhi
; }
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double
GetDzDs
()
const
{
return
mDzDs
; }
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double
GetQPt
()
const
{
return
mQPt
; }
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void
SetSinPhi
(
double
v
) {
mSinPhi
=
v
; }
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void
SetCosPhi
(
double
v
) {
mCosPhi
=
v
; }
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void
SetDzDs
(
double
v
) {
mDzDs
=
v
; }
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void
SetQPt
(
double
v
) {
mQPt
=
v
; }
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private
:
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double
mSinPhi
;
// SinPhi
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double
mCosPhi
;
// CosPhi
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double
mDzDs
;
// DzDs
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double
mQPt
;
// QPt
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};
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inline
GPUTPCTrackLinearisation::GPUTPCTrackLinearisation
(
const
GPUTPCTrackParam
&
t
) : mSinPhi(t.SinPhi()), mCosPhi(0), mDzDs(t.DzDs()), mQPt(t.QPt())
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{
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if
(
mSinPhi
>
GPUCA_MAX_SIN_PHI
) {
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mSinPhi
=
GPUCA_MAX_SIN_PHI
;
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}
else
if
(
mSinPhi
< -
GPUCA_MAX_SIN_PHI
) {
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mSinPhi
= -
GPUCA_MAX_SIN_PHI
;
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}
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mCosPhi
= sqrt(1 -
mSinPhi
*
mSinPhi
);
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if
(t.
SignCosPhi
() < 0) {
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mCosPhi
= -
mCosPhi
;
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}
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}
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inline
void
GPUTPCTrackLinearisation::Set
(
double
SinPhi1,
double
CosPhi1,
double
DzDs1,
double
QPt1)
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{
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SetSinPhi
(SinPhi1);
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SetCosPhi
(CosPhi1);
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SetDzDs
(DzDs1);
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SetQPt
(QPt1);
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}
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#endif // GPUTPCTRACKLINEARISATION_H
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GPUTPCTrackLinearisation.h
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