Evocosm - A C++ Framework for Evolutionary Computing

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Created by Scott Robert Ladd at Coyote Gulch Productions.


evoreal.h
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_EVOREAL_H)
00054 #define LIBEVOCOSM_EVOREAL_H
00055 
00056 // libevocosm
00057 #include "evocommon.h"
00058 
00059 namespace libevocosm
00060 {
00062 
00085     class evoreal : protected globals
00086     {
00087     public:
00089 
00104         evoreal(float a_sign_weight = 5.0F, float a_exponent_weight =  5.0F, float a_mantissa_weight = 90.0F);
00105 
00107 
00111         evoreal(evoreal & a_source);
00112 
00114 
00118         evoreal & operator = (evoreal & a_source);
00119 
00121 
00126         float  mutate(float  a_f);
00127 
00129 
00134         double mutate(double a_d);
00135 
00137 
00144         float crossover(float  a_f1, float  a_f2);
00145 
00147 
00154         double crossover(double a_d1, double a_d2);
00155 
00156     private:
00157         // weights used to select parts of a number for manipulation
00158         const float m_total_weight;
00159         const float m_sign_weight;
00160         const float m_exp_weight;
00161 
00162 #if defined(_MSC_VER) && (_MSC_VER < 1300)
00163         static const long FLT_EXP_BITS;
00164         static const long DBL_EXP_BITS;
00165 #else
00166         static const long FLT_EXP_BITS = 0x7F800000L;
00167         static const long DBL_EXP_BITS = 0x7FF00000UL;
00168 #endif
00169     };
00170 }
00171 
00172 #endif
00173 

© 1996-2005 Scott Robert Ladd. All rights reserved.
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