vtk-m/vtkm/UnaryPredicates.h
Kenneth Moreland c3a3184d51 Update copyright for Sandia
Sandia National Laboratories recently changed management from the
Sandia Corporation to the National Technology & Engineering Solutions
of Sandia, LLC (NTESS). The copyright statements need to be updated
accordingly.
2017-09-20 15:33:44 -06:00

66 lines
2.0 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_UnaryPredicates_h
#define vtk_m_UnaryPredicates_h
#include <vtkm/TypeTraits.h>
#include <vtkm/internal/ExportMacros.h>
namespace vtkm
{
/// Predicate that takes a single argument \c x, and returns
/// True if it is the identity of the Type \p T.
struct IsZeroInitialized
{
template <typename T>
VTKM_EXEC_CONT bool operator()(const T& x) const
{
return (x == vtkm::TypeTraits<T>::ZeroInitialization());
}
};
/// Predicate that takes a single argument \c x, and returns
/// True if it isn't the identity of the Type \p T.
struct NotZeroInitialized
{
template <typename T>
VTKM_EXEC_CONT bool operator()(const T& x) const
{
return (x != vtkm::TypeTraits<T>::ZeroInitialization());
}
};
/// Predicate that takes a single argument \c x, and returns
/// True if and only if \c x is \c false.
/// Note: Requires Type \p T to be convertible to \c bool or implement the
/// ! operator.
struct LogicalNot
{
template <typename T>
VTKM_EXEC_CONT bool operator()(const T& x) const
{
return !x;
}
};
} // namespace vtkm
#endif //vtk_m_UnaryPredicates_h