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Sirikata
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00001 /* Meru 00002 * TotallyOrdered.hpp 00003 * 00004 * Copyright (c) 2009, Stanford University 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions are 00009 * met: 00010 * * Redistributions of source code must retain the above copyright 00011 * notice, this list of conditions and the following disclaimer. 00012 * * Redistributions in binary form must reproduce the above copyright 00013 * notice, this list of conditions and the following disclaimer in 00014 * the documentation and/or other materials provided with the 00015 * distribution. 00016 * * Neither the name of Sirikata nor the names of its contributors may 00017 * be used to endorse or promote products derived from this software 00018 * without specific prior written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 00021 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 00022 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00023 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 00024 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00025 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00026 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00027 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00028 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00029 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00030 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00031 */ 00032 #ifndef __SIRIKATA_TOTALLY_ORDERED_HPP_ 00033 #define __SIRIKATA_TOTALLY_ORDERED_HPP_ 00034 00035 00036 namespace Sirikata { 00037 00038 00048 template <typename T> 00049 class TotallyOrdered 00050 { 00051 00052 public: 00053 00054 // From less-than operator 00055 bool operator> (T const & rhs) const { return (rhs < *static_cast<T const *>(this)); } 00056 bool operator<=(T const & rhs) const { return !(rhs < *static_cast<T const *>(this)); } 00057 bool operator>=(T const & rhs) const { return !(*static_cast<T const *>(this) < rhs); } 00058 00059 // From equality operator 00060 bool operator!=(T const & rhs) const { return !(*static_cast<T const *>(this) == rhs); } 00061 00062 }; // class TotallyOrdered 00063 00064 00065 } // namespace Sirikata 00066 00067 00068 #endif
1.7.4