kdecore Library API Documentation

krandomsequence.h

00001 /* This file is part of the KDE libraries
00002    Copyright (c) 1999 Sean Harmer <sh@astro.keele.ac.uk>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License version 2 as published by the Free Software Foundation.
00007 
00008    This library is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011    Library General Public License for more details.
00012 
00013    You should have received a copy of the GNU Library General Public License
00014    along with this library; see the file COPYING.LIB.  If not, write to
00015    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00016    Boston, MA 02111-1307, USA.
00017 */
00018 #ifndef K_RANDOM_SEQUENCE_H
00019 #define K_RANDOM_SEQUENCE_H
00020 
00021 class KRandomSequencePrivate;
00022 class QGList;
00037 class KRandomSequence
00038 {
00039 public: 
00053   KRandomSequence( long lngSeed = 0 );
00054 
00058   virtual ~KRandomSequence();
00059 
00063   KRandomSequence(const KRandomSequence &a);
00064   
00068   KRandomSequence &operator=(const KRandomSequence &a);
00069 
00076   void setSeed( long lngSeed = 1 );
00077 
00083   double getDouble(); 
00084   
00091   unsigned long getLong(unsigned long max); 
00092 
00098   bool getBool(); 
00099 
00105   void randomize(QGList *list);
00106 
00128   void modulate(int i);
00129     
00130 private:
00131   void Draw(); // Generate the random number
00132   long m_lngSeed1;
00133   long m_lngSeed2;
00134   long m_lngShufflePos;
00135 
00136   static const int    m_nShuffleTableSize;
00137   long *m_ShuffleArray;
00138 
00139   KRandomSequencePrivate *d;
00140 };
00141 
00142 #endif
00143 
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This file is part of the documentation for kdelibs Version 3.1.0.
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