mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-07-06 07:17:25 +00:00
95 lines
2.6 KiB
C++
95 lines
2.6 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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#ifndef vtk_m_BinaryPredicates_h
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#define vtk_m_BinaryPredicates_h
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#include <vtkm/internal/ExportMacros.h>
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namespace vtkm
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{
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/// Binary Predicate that takes two arguments argument \c x, and \c y and
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/// returns True if and only if \c x is not equal to \c y.
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/// @note: Requires that types T and U are comparable with !=.
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struct NotEqual
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{
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template <typename T, typename U>
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VTKM_EXEC_CONT bool operator()(const T& x, const U& y) const
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{
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return x != y;
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}
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};
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/// Binary Predicate that takes two arguments argument \c x, and \c y and
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/// returns True if and only if \c x is equal to \c y.
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/// @note: Requires that types T and U are comparable with !=.
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struct Equal
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{
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template <typename T, typename U>
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VTKM_EXEC_CONT bool operator()(const T& x, const U& y) const
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{
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return x == y;
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}
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};
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/// Binary Predicate that takes two arguments argument \c x, and \c y and
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/// returns True if and only if \c x is less than \c y.
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/// @note: Requires that types T and U are comparable with <.
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struct SortLess
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{
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template <typename T, typename U>
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VTKM_EXEC_CONT bool operator()(const T& x, const U& y) const
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{
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return x < y;
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}
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};
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/// Binary Predicate that takes two arguments argument \c x, and \c y and
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/// returns True if and only if \c x is greater than \c y.
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/// @note: Requires that types T and U are comparable via operator<(U, T).
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struct SortGreater
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{
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template <typename T, typename U>
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VTKM_EXEC_CONT bool operator()(const T& x, const U& y) const
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{
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return y < x;
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}
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};
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/// Binary Predicate that takes two arguments argument \c x, and \c y and
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/// returns True if and only if \c x and \c y are True.
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/// @note: Requires that types T and U are comparable with &&.
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struct LogicalAnd
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{
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template <typename T, typename U>
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VTKM_EXEC_CONT bool operator()(const T& x, const U& y) const
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{
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return x && y;
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}
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};
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/// Binary Predicate that takes two arguments argument \c x, and \c y and
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/// returns True if and only if \c x or \c y is True.
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/// @note: Requires that types T and U are comparable with ||.
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struct LogicalOr
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{
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template <typename T, typename U>
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VTKM_EXEC_CONT bool operator()(const T& x, const U& y) const
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{
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return x || y;
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}
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};
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} // namespace vtkm
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#endif //vtk_m_BinaryPredicates_h
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