Created by Scott Robert Ladd at Coyote Gulch Productions.
00001 /* 00002 Evocosm is a C++ framework for implementing evolutionary algorithms. 00003 00004 Copyright 2011 Scott Robert Ladd. All rights reserved. 00005 00006 Evocosm is user-supported open source software. Its continued development is dependent 00007 on financial support from the community. You can provide funding by visiting the Evocosm 00008 website at: 00009 00010 http://www.coyotegulch.com 00011 00012 You may license Evocosm in one of two fashions: 00013 00014 1) Simplified BSD License (FreeBSD License) 00015 00016 Redistribution and use in source and binary forms, with or without modification, are 00017 permitted provided that the following conditions are met: 00018 00019 1. Redistributions of source code must retain the above copyright notice, this list of 00020 conditions and the following disclaimer. 00021 00022 2. Redistributions in binary form must reproduce the above copyright notice, this list 00023 of conditions and the following disclaimer in the documentation and/or other materials 00024 provided with the distribution. 00025 00026 THIS SOFTWARE IS PROVIDED BY SCOTT ROBERT LADD ``AS IS'' AND ANY EXPRESS OR IMPLIED 00027 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 00028 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SCOTT ROBERT LADD OR 00029 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00030 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00031 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 00032 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00033 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 00034 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00035 00036 The views and conclusions contained in the software and documentation are those of the 00037 authors and should not be interpreted as representing official policies, either expressed 00038 or implied, of Scott Robert Ladd. 00039 00040 2) Closed-Source Proprietary License 00041 00042 If your project is a closed-source or proprietary project, the Simplified BSD License may 00043 not be appropriate or desirable. In such cases, contact the Evocosm copyright holder to 00044 arrange your purchase of an appropriate license. 00045 00046 The author can be contacted at: 00047 00048 scott.ladd@coyotegulch.com 00049 scott.ladd@gmail.com 00050 http:www.coyotegulch.com 00051 */ 00052 00053 #if !defined(LIBEVOCOSM_ROULETTE_H) 00054 #define LIBEVOCOSM_ROULETTE_H 00055 00056 // standard C++ Library 00057 #include <cmath> 00058 #include <vector> 00059 #include <limits> 00060 00061 // libevocosm 00062 #include "evocommon.h" 00063 00064 namespace libevocosm 00065 { 00066 using std::vector; 00067 00069 00089 class roulette_wheel : protected globals 00090 { 00091 public: 00093 00099 roulette_wheel(const vector<double> & a_weights, 00100 double a_min_weight = std::numeric_limits<double>::epsilon(), 00101 double a_max_weight = std::numeric_limits<double>::max()); 00102 00104 00111 roulette_wheel(const double * a_weights, 00112 size_t a_length, 00113 double a_min_weight = std::numeric_limits<double>::epsilon(), 00114 double a_max_weight = std::numeric_limits<double>::max()); 00115 00117 00121 roulette_wheel(const roulette_wheel & a_source); 00122 00124 00128 roulette_wheel & operator = (const roulette_wheel & a_source); 00129 00131 00134 ~roulette_wheel(); 00135 00137 00141 size_t get_size() const 00142 { 00143 return m_size; 00144 } 00145 00147 00153 double set_weight(size_t a_index, double a_weight); 00154 00156 00161 double get_weight(size_t a_index) const; 00162 00164 00170 size_t get_index() const; 00171 00172 protected: 00174 size_t m_size; 00175 00177 double * m_weights; 00178 00180 double m_total_weight; 00181 00183 double m_min_weight; 00184 00186 double m_max_weight; 00187 00188 private: 00189 // internal copy function 00190 void copy(const roulette_wheel & a_source); 00191 }; 00192 }; 00193 00194 #endif
© 1996-2005 Scott Robert Ladd. All rights reserved.
HTML documentation generated by Dimitri van Heesch's excellent Doxygen tool.