00001 /************************************************************************** 00002 *** 00003 *** Copyright (c) 1995-2000 Regents of the University of California, 00004 *** Andrew E. Caldwell, Andrew B. Kahng and Igor L. Markov 00005 *** Copyright (c) 2000-2004 Regents of the University of Michigan, 00006 *** Saurabh N. Adya, Jarrod A. Roy and Igor L. Markov 00007 *** 00008 *** Contact author(s): abk@cs.ucsd.edu, imarkov@umich.edu 00009 *** Original Affiliation: UCLA, Computer Science Department, 00010 *** Los Angeles, CA 90095-1596 USA 00011 *** 00012 *** Permission is hereby granted, free of charge, to any person obtaining 00013 *** a copy of this software and associated documentation files (the 00014 *** "Software"), to deal in the Software without restriction, including 00015 *** without limitation 00016 *** the rights to use, copy, modify, merge, publish, distribute, sublicense, 00017 *** and/or sell copies of the Software, and to permit persons to whom the 00018 *** Software is furnished to do so, subject to the following conditions: 00019 *** 00020 *** The above copyright notice and this permission notice shall be included 00021 *** in all copies or substantial portions of the Software. 00022 *** 00023 *** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00024 *** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 00025 *** OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 00026 *** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 00027 *** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT 00028 *** OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR 00029 *** THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00030 *** 00031 *** 00032 ***************************************************************************/ 00033 00034 00035 00036 00037 00038 00039 00040 00042 00043 #ifdef _MSC_VER 00044 #pragma warning(disable:4786) 00045 #endif 00046 00047 #include "abkrand.h" 00048 const double RandomRoot::randTick = 1/(0xffffffff + 1.0); // 2^-32 00049 00050 RandomRoot::RandomRoot(const char* locIdent, 00051 unsigned counterOverride, 00052 Verbosity verb): 00053 _handler(locIdent,counterOverride),_verb(verb) 00054 { 00055 if (verb.forMajStats) 00056 cout << "External seed = " << _handler._externalSeed 00057 << " local id = " << _handler._locIdent 00058 << " counter = " << _handler._counter 00059 << endl; 00060 } 00061 00062 unsigned RandomRoot::getExternalSeed() // this is a static method 00063 { 00064 return SeedHandler::_externalSeed; 00065 } 00066 00067 const char *RandomRoot::getLocIdent() const 00068 { 00069 abkfatal(_handler._isSeedMultipartite,"Can't call getLocIdent() " 00070 "with old-style seed"); 00071 return _handler._locIdent; 00072 } 00073 00074 unsigned RandomRoot::getCounter() const 00075 { 00076 abkfatal(_handler._isSeedMultipartite,"Can't call getLocIdent() " 00077 "with old-style seed"); 00078 return _handler._counter; 00079 } 00080