mirror of
https://gitlab.kitware.com/vtk/vtk-m
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137 lines
6.4 KiB
C++
137 lines
6.4 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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// Copyright (c) 2016, Los Alamos National Security, LLC
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// All rights reserved.
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//
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// Copyright 2016. Los Alamos National Security, LLC.
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// This software was produced under U.S. Government contract DE-AC52-06NA25396
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// for Los Alamos National Laboratory (LANL), which is operated by
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// Los Alamos National Security, LLC for the U.S. Department of Energy.
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// The U.S. Government has rights to use, reproduce, and distribute this
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// software. NEITHER THE GOVERNMENT NOR LOS ALAMOS NATIONAL SECURITY, LLC
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// MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR ASSUMES ANY LIABILITY FOR THE
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// USE OF THIS SOFTWARE. If software is modified to produce derivative works,
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// such modified software should be clearly marked, so as not to confuse it
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// with the version available from LANL.
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//
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// Additionally, redistribution and use in source and binary forms, with or
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// without modification, are permitted provided that the following conditions
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// are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// 3. Neither the name of Los Alamos National Security, LLC, Los Alamos
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// National Laboratory, LANL, the U.S. Government, nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY LOS ALAMOS NATIONAL SECURITY, LLC AND
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// CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
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// BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL LOS ALAMOS
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// NATIONAL SECURITY, LLC OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//============================================================================
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#ifndef vtk_m_worklet_CosmoTools_h
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#define vtk_m_worklet_CosmoTools_h
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/DeviceAdapterAlgorithm.h>
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#include <vtkm/cont/Field.h>
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#include <vtkm/worklet/cosmotools/CosmoTools.h>
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#include <vtkm/worklet/cosmotools/CosmoToolsCenterFinder.h>
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#include <vtkm/worklet/cosmotools/CosmoToolsHaloFinder.h>
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namespace vtkm
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{
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namespace worklet
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{
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class CosmoTools
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{
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public:
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// Run the halo finder and then the NxN MBP center finder
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template <typename FieldType, typename StorageType>
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void RunHaloFinder(vtkm::cont::ArrayHandle<FieldType, StorageType>& xLocation,
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vtkm::cont::ArrayHandle<FieldType, StorageType>& yLocation,
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vtkm::cont::ArrayHandle<FieldType, StorageType>& zLocation,
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const vtkm::Id nParticles,
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const FieldType particleMass,
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const vtkm::Id minHaloSize,
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const FieldType linkingLen,
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vtkm::cont::ArrayHandle<vtkm::Id>& resultHaloId,
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vtkm::cont::ArrayHandle<vtkm::Id>& resultMBP,
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vtkm::cont::ArrayHandle<FieldType>& resultPot)
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{
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// Constructor gets particle locations, particle mass and min halo size
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cosmotools::CosmoTools<FieldType, StorageType> cosmo(
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nParticles, particleMass, minHaloSize, linkingLen, xLocation, yLocation, zLocation);
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// Find the halos within the particles and the MBP center of each halo
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cosmo.HaloFinder(resultHaloId, resultMBP, resultPot);
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}
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// Run MBP on a single halo of particles using the N^2 algorithm
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template <typename FieldType, typename StorageType>
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void RunMBPCenterFinderNxN(vtkm::cont::ArrayHandle<FieldType, StorageType> xLocation,
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vtkm::cont::ArrayHandle<FieldType, StorageType> yLocation,
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vtkm::cont::ArrayHandle<FieldType, StorageType> zLocation,
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const vtkm::Id nParticles,
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const FieldType particleMass,
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vtkm::Pair<vtkm::Id, FieldType>& nxnResult)
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{
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// Constructor gets particle locations and particle mass
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cosmotools::CosmoTools<FieldType, StorageType> cosmo(
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nParticles, particleMass, xLocation, yLocation, zLocation);
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// Most Bound Particle N x N algorithm
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FieldType nxnPotential;
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vtkm::Id nxnMBP = cosmo.MBPCenterFinderNxN(&nxnPotential);
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nxnResult.first = nxnMBP;
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nxnResult.second = nxnPotential;
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}
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// Run MBP on a single halo of particles using MxN estimation algorithm
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template <typename FieldType, typename StorageType>
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void RunMBPCenterFinderMxN(vtkm::cont::ArrayHandle<FieldType, StorageType> xLocation,
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vtkm::cont::ArrayHandle<FieldType, StorageType> yLocation,
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vtkm::cont::ArrayHandle<FieldType, StorageType> zLocation,
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const vtkm::Id nParticles,
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const FieldType particleMass,
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vtkm::Pair<vtkm::Id, FieldType>& mxnResult)
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{
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// Constructor gets particle locations and particle mass
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cosmotools::CosmoTools<FieldType, StorageType> cosmo(
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nParticles, particleMass, xLocation, yLocation, zLocation);
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// Most Bound Particle M x N algorithm with binning estimates
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FieldType mxnPotential;
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vtkm::Id mxnMBP = cosmo.MBPCenterFinderMxN(&mxnPotential);
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mxnResult.first = mxnMBP;
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mxnResult.second = mxnPotential;
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}
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};
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}
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} // namespace vtkm::worklet
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#endif // vtk_m_worklet_CosmoTools_h
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