130 lines
4.7 KiB
C++
130 lines
4.7 KiB
C++
// ____ ______ __
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// / __ \ / ____// /
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// / /_/ // / / /
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// / ____// /___ / /___ PixInsight Class Library
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// /_/ \____//_____/ PCL 2.4.23
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// ----------------------------------------------------------------------------
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// pcl/Relational.h - Released 2022-03-12T18:59:29Z
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// ----------------------------------------------------------------------------
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// This file is part of the PixInsight Class Library (PCL).
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// PCL is a multiplatform C++ framework for development of PixInsight modules.
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//
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// Copyright (c) 2003-2022 Pleiades Astrophoto S.L. All Rights Reserved.
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//
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// Redistribution and use in both source and binary forms, with or without
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// modification, is permitted provided that the following conditions are met:
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//
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// 1. All redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. All redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the names "PixInsight" and "Pleiades Astrophoto", nor the names
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// of their contributors, may be used to endorse or promote products derived
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// from this software without specific prior written permission. For written
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// permission, please contact info@pixinsight.com.
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//
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// 4. All products derived from this software, in any form whatsoever, must
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// reproduce the following acknowledgment in the end-user documentation
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// and/or other materials provided with the product:
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//
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// "This product is based on software from the PixInsight project, developed
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// by Pleiades Astrophoto and its contributors (https://pixinsight.com/)."
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//
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// Alternatively, if that is where third-party acknowledgments normally
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// appear, this acknowledgment must be reproduced in the product itself.
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//
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// THIS SOFTWARE IS PROVIDED BY PLEIADES ASTROPHOTO AND ITS CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL PLEIADES ASTROPHOTO OR ITS
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, BUSINESS
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// INTERRUPTION; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; AND LOSS OF USE,
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// DATA OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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// ----------------------------------------------------------------------------
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#ifndef __PCL_Relational_h
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#define __PCL_Relational_h
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/// \file pcl/Relational.h
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#include <pcl/Defs.h>
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namespace pcl
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{
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// ----------------------------------------------------------------------------
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/*!
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* \defgroup generic_relational_operators Generic Relational Operators
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*
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* This section defines the template operator functions <em>not equal to</em>,
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* <em>less than or equal</em>, <em>greater than</em>, and <em>greater than or
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* equal</em>.
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*
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* For applicability of these generic operators, the following conditions are
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* assumed for the template argument type T:
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*
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* \li For the != operator, there must be a meaningful == operator for the
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* type T.
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*
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* \li For the <=, > and >= operators, there must be a meaningful < operator
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* for the type T.
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*/
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/*!
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* Returns true iff two objects \a a and \a b are not equal.
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* \ingroup generic_relational_operators
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*/
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template <class T1, class T2> inline
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bool operator !=( const T1& a, const T2& b )
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{
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return !(a == b);
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}
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/*!
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* Returns true iff an object \a a is less than or equal to another object \a b.
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* \ingroup generic_relational_operators
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*/
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template <class T1, class T2> inline
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bool operator <=( const T1& a, const T2& b )
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{
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return !(b < a);
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}
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/*!
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* Returns true iff an object \a a is greater than another object \a b.
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* \ingroup generic_relational_operators
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*/
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template <class T1, class T2> inline
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bool operator >( const T1& a, const T2& b )
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{
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return b < a;
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}
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/*!
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* Returns true iff an object \a a is greater than or equal to another object
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* \a b.
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* \ingroup generic_relational_operators
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*/
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template <class T1, class T2> inline
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bool operator >=( const T1& a, const T2& b )
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{
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return !(a < b);
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}
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// ----------------------------------------------------------------------------
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} // pcl
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#endif // __PCL_Relational_h
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// ----------------------------------------------------------------------------
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// EOF pcl/Relational.h - Released 2022-03-12T18:59:29Z
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