BDSIM
BDSIM is a Geant4 extension toolkit for simulation of particle transport in accelerator beamlines.
BDSFieldEMInterpolated.cc
1/*
2Beam Delivery Simulation (BDSIM) Copyright (C) Royal Holloway,
3University of London 2001 - 2022.
4
5This file is part of BDSIM.
6
7BDSIM is free software: you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published
9by the Free Software Foundation version 3 of the License.
10
11BDSIM is distributed in the hope that it will be useful, but
12WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with BDSIM. If not, see <http://www.gnu.org/licenses/>.
18*/
19#include "BDSFieldEMInterpolated.hh"
20#include "BDSInterpolator.hh"
21
22#include <algorithm>
23#include <limits>
24
25BDSFieldEMInterpolated::BDSFieldEMInterpolated(const BDSInterpolator* eInterpolator,
26 const BDSInterpolator* bInterpolator,
27 const G4Transform3D& offset,
28 G4double eScalingIn,
29 G4double bScalingIn):
30 BDSFieldEM(offset),
31 eScaling(eScalingIn),
32 bScaling(bScalingIn),
33 smallestSpatialStep(std::numeric_limits<double>::max())
34{
35 if (eInterpolator)
36 {smallestSpatialStep = std::min(smallestSpatialStep, eInterpolator->SmallestSpatialStep());}
37 if (bInterpolator)
38 {smallestSpatialStep = std::min(smallestSpatialStep, bInterpolator->SmallestSpatialStep());}
39}
Interface for BDSIM electro-magnetic fields that may or may not be local.
Definition: BDSFieldEM.hh:39
Interface for all interpolators containing basic extent of validity.
G4double SmallestSpatialStep() const