blitz Version 0.10
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00001 // -*- C++ -*- 00002 /*************************************************************************** 00003 * blitz/random.h Random number generator wrapper class 00004 * 00005 * $Id: random.h,v 1.5 2011/03/25 22:41:16 julianc Exp $ 00006 * 00007 * Copyright (C) 1997-2011 Todd Veldhuizen <tveldhui@acm.org> 00008 * 00009 * This file is a part of Blitz. 00010 * 00011 * Blitz is free software: you can redistribute it and/or modify 00012 * it under the terms of the GNU Lesser General Public License 00013 * as published by the Free Software Foundation, either version 3 00014 * of the License, or (at your option) any later version. 00015 * 00016 * Blitz is distributed in the hope that it will be useful, 00017 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00019 * GNU Lesser General Public License for more details. 00020 * 00021 * You should have received a copy of the GNU Lesser General Public 00022 * License along with Blitz. If not, see <http://www.gnu.org/licenses/>. 00023 * 00024 * Suggestions: blitz-devel@lists.sourceforge.net 00025 * Bugs: blitz-support@lists.sourceforge.net 00026 * 00027 * For more information, please see the Blitz++ Home Page: 00028 * https://sourceforge.net/projects/blitz/ 00029 * 00030 ***************************************************************************/ 00031 00032 #ifndef BZ_RANDOM_H 00033 #define BZ_RANDOM_H 00034 00035 #ifndef BZ_BLITZ_H 00036 #include <blitz/blitz.h> 00037 #endif 00038 00039 BZ_NAMESPACE(blitz) 00040 00041 template<typename P_distribution> 00042 class Random { 00043 00044 public: 00045 typedef P_distribution T_distribution; 00046 typedef _bz_typename T_distribution::T_numtype T_numtype; 00047 00048 Random(double parm1=0.0, double parm2=1.0, double parm3=0.0) 00049 : generator_(parm1, parm2, parm3) 00050 { } 00051 00052 void randomize() 00053 { generator_.randomize(); } 00054 00055 T_numtype random() 00056 { return generator_.random(); } 00057 00058 operator T_numtype() 00059 { return generator_.random(); } 00060 00061 protected: 00062 T_distribution generator_; 00063 }; 00064 00065 BZ_NAMESPACE_END 00066 00067 #include <blitz/randref.h> 00068 00069 #endif // BZ_RANDOM_H 00070