RandomGen.cpp

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00001 //Copyright (c) 2004-2005, Baris Sumengen
00002 //All rights reserved.
00003 //
00004 // CIMPL Matrix Performance Library
00005 //
00006 //Redistribution and use in source and binary
00007 //forms, with or without modification, are
00008 //permitted provided that the following
00009 //conditions are met:
00010 //
00011 //    * No commercial use is allowed. 
00012 //    This software can only be used
00013 //    for non-commercial purposes. This 
00014 //    distribution is mainly intended for
00015 //    academic research and teaching.
00016 //    * Redistributions of source code must
00017 //    retain the above copyright notice, this
00018 //    list of conditions and the following
00019 //    disclaimer.
00020 //    * Redistributions of binary form must
00021 //    mention the above copyright notice, this
00022 //    list of conditions and the following
00023 //    disclaimer in a clearly visible part 
00024 //    in associated product manual, 
00025 //    readme, and web site of the redistributed 
00026 //    software.
00027 //    * Redistributions in binary form must
00028 //    reproduce the above copyright notice,
00029 //    this list of conditions and the
00030 //    following disclaimer in the
00031 //    documentation and/or other materials
00032 //    provided with the distribution.
00033 //    * The name of Baris Sumengen may not be
00034 //    used to endorse or promote products
00035 //    derived from this software without
00036 //    specific prior written permission.
00037 //
00038 //THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
00039 //HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
00040 //EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
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00056 
00057 
00058 
00059 #include "./RandomGen.h"
00060 
00061 
00062 namespace CIMPL
00063 {
00064 
00065         bool RandomGen::initialized = false;
00066 
00067         bool RandomGen::Initialized()
00068         {
00069                 return initialized;
00070         }
00071 
00072         void RandomGen::Initialize()
00073         {
00074                 srand((unsigned)time(0));
00075                 initialized = true;
00076         }
00077 
00078         int RandomGen::GetRand()
00079         {
00080                 if(!initialized)
00081                 {
00082                         srand((unsigned)time(0));
00083                         initialized = true;
00084                 }
00085                 return rand();
00086         }
00087 
00088 
00089 };
00090 
00091 

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