133 lines
4.0 KiB
C++
133 lines
4.0 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 Sandia Corporation.
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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-AC04-94AL85000 with Sandia Corporation,
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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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#ifndef vtk_m_BinaryOperators_h
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#define vtk_m_BinaryOperators_h
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#include <vtkm/internal/ExportMacros.h>
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namespace vtkm {
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// Disable conversion warnings for Sum and Product on GCC only.
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// GCC creates false positive warnings for signed/unsigned char* operations.
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// This occurs because the values are implicitly casted up to int's for the
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// operation, and than casted back down to char's when return.
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// This causes a false positive warning, even when the values is within
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// the value types range
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#if (defined(VTKM_GCC) || defined(VTKM_CLANG))
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wconversion"
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#endif // gcc || clang
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/// Binary Predicate that takes two arguments argument \c x, and \c y and
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/// returns sum (addition) of the two values.
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/// Note: Requires Type \p T implement the + operator.
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struct Sum
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{
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template<typename T>
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VTKM_EXEC_CONT_EXPORT T operator()(const T& x, const T& 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 product (multiplication) of the two values.
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/// Note: Requires Type \p T implement the * operator.
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struct Product
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{
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template<typename T>
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VTKM_EXEC_CONT_EXPORT T operator()(const T& x, const T& 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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#if (defined(VTKM_GCC) || defined(VTKM_CLANG))
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#pragma GCC diagnostic pop
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#endif // gcc || clang
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/// Binary Predicate that takes two arguments argument \c x, and \c y and
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/// returns the \c x if x > y otherwise returns \c y.
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/// Note: Requires Type \p T implement the < operator.
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//needs to be full length to not clash with vtkm::math function Max.
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struct Maximum
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{
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template<typename T>
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VTKM_EXEC_CONT_EXPORT T operator()(const T& x, const T& y) const
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{
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return x < y ? 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 the \c x if x < y otherwise returns \c y.
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/// Note: Requires Type \p T implement the < operator.
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//needs to be full length to not clash with vtkm::math function Min.
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struct Minimum
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{
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template<typename T>
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VTKM_EXEC_CONT_EXPORT T operator()(const T& x, const T& y) const
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{
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return x < y ? 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 the bitwise operation <tt>x&y</tt>
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/// Note: Requires Type \p T implement the & operator.
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struct BitwiseAnd
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{
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template<typename T>
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VTKM_EXEC_CONT_EXPORT T operator()(const T& x, const T& 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 the bitwise operation <tt>x|y</tt>
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/// Note: Requires Type \p T implement the | operator.
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struct BitwiseOr
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{
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template<typename T>
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VTKM_EXEC_CONT_EXPORT T operator()(const T& x, const T& 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 the bitwise operation <tt>x^y</tt>
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/// Note: Requires Type \p T implement the ^ operator.
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struct BitwiseXor
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{
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template<typename T>
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VTKM_EXEC_CONT_EXPORT T operator()(const T& x, const T& 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_BinaryOperators_h
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