vtk-m2/vtkm/worklet/Magnitude.h
Robert Maynard a9e64c4ba8 FloatPointReturnType is float if 'T' is < 32bytes instead of being double.
Previously FloatPointReturnType would always be double for types that
are not float, which caused Int8/Int16 types to promote to double instead
of float.
2018-01-04 13:22:31 -05:00

48 lines
1.5 KiB
C++

//============================================================================
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See LICENSE.txt for details.
// This software is distributed WITHOUT ANY WARRANTY; without even
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE. See the above copyright notice for more information.
//
// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
// Laboratory (LANL), the U.S. Government retains certain rights in
// this software.
//============================================================================
#ifndef vtk_m_worklet_Magnitude_h
#define vtk_m_worklet_Magnitude_h
#include <vtkm/worklet/WorkletMapField.h>
#include <vtkm/VectorAnalysis.h>
namespace vtkm
{
namespace worklet
{
class Magnitude : public vtkm::worklet::WorkletMapField
{
public:
typedef void ControlSignature(FieldIn<VecAll>, FieldOut<Scalar>);
typedef void ExecutionSignature(_1, _2);
template <typename T, typename T2>
VTKM_EXEC void operator()(const T& inValue, T2& outValue) const
{
outValue = static_cast<T2>(vtkm::Magnitude(inValue));
}
};
}
} // namespace vtkm::worklet
#endif // vtk_m_worklet_Magnitude_h