mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 11:05:44 +00:00
93506d25e2
Also cleaned up some lingering type typedefs.
154 lines
6.4 KiB
C++
154 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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// 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 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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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 vtkm_worklet_cosmotools_compute_potential_bin_h
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#define vtkm_worklet_cosmotools_compute_potential_bin_h
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#include <vtkm/worklet/WorkletMapField.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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namespace cosmotools
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{
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// Worklet for computing the potential for a bin in one halo
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template <typename T>
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class ComputePotentialBin : public vtkm::worklet::WorkletMapField
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{
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public:
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struct TagType : vtkm::ListTagBase<T>
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{
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};
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using ControlSignature = void(FieldIn<IdType> binId, // (input) bin Id
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WholeArrayIn<IdType> binCount, // (input) particles per bin
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WholeArrayIn<IdType> binX, // (input) x index in bin
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WholeArrayIn<IdType> binY, // (input) y index in bin
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WholeArrayIn<IdType> binZ, // (input) z index in bin
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FieldInOut<TagType> bestPot, // (output) best potential estimate
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FieldInOut<TagType> worstPot); // (output) worst potential estimate
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using ExecutionSignature = void(_1, _2, _3, _4, _5, _6, _7);
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using InputDomain = _1;
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vtkm::Id nBins; // Number of bins
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T mass; // Particle mass
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T linkLen; // Linking length is side of bin
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// Constructor
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VTKM_EXEC_CONT
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ComputePotentialBin(vtkm::Id N, T Mass, T LinkLen)
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: nBins(N)
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, mass(Mass)
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, linkLen(LinkLen)
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{
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}
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template <typename InIdPortalType>
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VTKM_EXEC void operator()(const vtkm::Id& i,
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const InIdPortalType& count,
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const InIdPortalType& binX,
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const InIdPortalType& binY,
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const InIdPortalType& binZ,
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T& bestPotential,
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T& worstPotential) const
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{
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vtkm::Id ibinX = binX.Get(i);
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vtkm::Id ibinY = binY.Get(i);
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vtkm::Id ibinZ = binZ.Get(i);
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for (vtkm::Id j = 0; j < nBins; j++)
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{
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vtkm::Id xDelta = vtkm::Abs(ibinX - binX.Get(j));
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vtkm::Id yDelta = vtkm::Abs(ibinY - binY.Get(j));
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vtkm::Id zDelta = vtkm::Abs(ibinZ - binZ.Get(j));
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if ((count.Get(j) != 0) && (xDelta > 1) && (yDelta > 1) && (zDelta > 1))
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{
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T xDistNear = static_cast<T>((xDelta - 1)) * linkLen;
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T yDistNear = static_cast<T>((yDelta - 1)) * linkLen;
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T zDistNear = static_cast<T>((zDelta - 1)) * linkLen;
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T xDistFar = static_cast<T>((xDelta + 1)) * linkLen;
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T yDistFar = static_cast<T>((yDelta + 1)) * linkLen;
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T zDistFar = static_cast<T>((zDelta + 1)) * linkLen;
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T rNear =
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vtkm::Sqrt((xDistNear * xDistNear) + (yDistNear * yDistNear) + (zDistNear * zDistNear));
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T rFar = vtkm::Sqrt((xDistFar * xDistFar) + (yDistFar * yDistFar) + (zDistFar * zDistFar));
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if (rFar > 0.00000000001f)
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{
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worstPotential -= (static_cast<T>(count.Get(j)) * mass) / rFar;
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}
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if (rNear > 0.00000000001f)
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{
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bestPotential -= (static_cast<T>(count.Get(j)) * mass) / rNear;
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}
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}
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}
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}
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}; // ComputePotentialBin
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}
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}
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}
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#endif
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