1 #ifndef __CDistribution_HPP__ 2 #define __CDistribution_HPP__ 3 4 /* "Species" - a CoreWars evolver. Copyright (C) 2003 'Varfar' 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the Free 8 * Software Foundation; either version 1, or (at your option) any later 9 * version. 10 * 11 * This program is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 14 * more details. 15 * 16 * You should have received a copy of the GNU General Public License along 17 * with this program; if not, write to the Free Software Foundation, Inc., 18 * 675 Mass Ave, Cambridge, MA 02139, USA. 19 */ 20 21 #include "ini.hpp" 22 #include <iostream> 23 #include <string> 24 25 class CDistribution { /* utility provides a very configurable random number with a bias */ 26 public: 27 typedef CDistribution *(*ImplFactoryCallback)(const CDistribution ©); ImplFactory(const CDistribution & copy)28 static CDistribution *ImplFactory(const CDistribution ©) { return new CDistribution(copy); } 29 CDistribution(const std::string &context,const int min,const int max); 30 ~CDistribution(); 31 void set(const int min,const int max); // change this into a flat distribution between these points 32 void read_ini(INIFile &ini,bool required = true); 33 CDistribution *read_override_ini(INIFile &ini,ImplFactoryCallback factory=ImplFactory); 34 void write_ini(std::ostream &os); 35 void write_override_ini(std::ostream &os,const CDistribution *parent = 0); 36 int rnd() const; /* return a random number within this distribution */ min() const37 int min() const { return _data[0]; } max() const38 int max() const { return _data[_size-1]; } ok(const int val) const39 bool ok(const int val) const { return ((min() <= val) && (val < max())); } 40 private: 41 CDistribution(); 42 std::string _context; 43 int _size, /* number of points in the data */ 44 *_data; /* the actual series */ 45 }; 46 47 #endif // __CDistribution_HPP__ 48