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G4FieldUtils.hh
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// Helper namespace field_utils
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//
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// Description:
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//
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// Simple methods to extract vectors from arrays in conventions of
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// the magnetic field integration.
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// Author: Dmitry Sorokin, Google Summer of Code 2017
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// Supervision: John Apostolakis, CERN
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// --------------------------------------------------------------------
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#ifndef G4FIELD_UTILS_HH
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#define G4FIELD_UTILS_HH
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#include "
G4FieldTrack.hh
"
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#include "
G4Types.hh
"
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#include "
G4ThreeVector.hh
"
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namespace
field_utils
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{
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using
State
=
G4double
[
G4FieldTrack::ncompSVEC
];
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enum class
Value3D
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{
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Position = 0,
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Momentum = 3,
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Spin = 9
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};
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enum class
Value1D
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{
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KineticEnergy = 6,
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LabTime = 7,
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ProperTime = 8
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};
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template
<
typename
ArrayType>
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G4double
getValue
(
const
ArrayType& array,
Value1D
value
);
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template
<
typename
ArrayType>
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G4double
getValue2
(
const
ArrayType& array,
Value1D
value
);
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template
<
typename
ArrayType>
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G4double
getValue
(
const
ArrayType& array,
Value3D
value
);
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template
<
typename
ArrayType>
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G4double
getValue2
(
const
ArrayType& array,
Value3D
value
);
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template
<
typename
ArrayType>
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G4ThreeVector
makeVector
(
const
ArrayType& array,
Value3D
value
);
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G4double
absoluteError
(
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const
G4double
y
[],
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const
G4double
yerr[],
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G4double
hstep);
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G4double
relativeError2
(
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const
G4double
y
[],
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const
G4double
yerr[],
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G4double
hstep,
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G4double
errorTolerance);
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G4double
relativeError
(
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const
G4double
y
[],
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const
G4double
yerr[],
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G4double
hstep,
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G4double
errorTolerance);
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template
<
typename
SourceArray,
typename
TargetArray>
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void
setValue
(
const
SourceArray& src,
Value1D
value
, TargetArray& trg);
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template
<
typename
SourceArray,
typename
TargetArray,
typename
...TargetArrays>
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void
setValue
(
const
SourceArray& src,
Value1D
value
,
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TargetArray& trg, TargetArrays&... trgs);
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void
copy
(
G4double
dst[],
const
G4double
src[],
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size_t
size =
G4FieldTrack::ncompSVEC
);
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G4double
inverseCurvatureRadius
(
G4double
particleCharge,
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G4double
momentum
,
G4double
BField
);
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template
<
typename
T>
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T
clamp
(
T
value
,
T
lo,
T
hi);
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}
// field_utils
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#include "G4FieldUtils.icc"
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#endif
geant4
tree
geant4-10.6-release
source
geometry
magneticfield
include
G4FieldUtils.hh
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. updated:
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