?? tiny.cpp
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// This is -*- C++ -*-// $Id: tiny.cpp,v 1.12 1999/10/19 00:39:16 trow Exp $/* tiny.cpp * * Copyright (C) 1998 EMC Capital Management, Inc. * * Developed by Jon Trowbridge <trow@emccta.com>. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA * 02111-1307, USA. */#include <config.h>#include <iostream>#include <Random.h>#include <RealSet.h>#include <runs.h>main(){ Random rng; int abbr=0; const int N = 20000; for(int j=0; j<N; ++j) { RunsCount r; for(int i=0; i<20; ++i) { r.add(rng.random_bool()); } if (r.p_approx() < 0.05) ++abbr; if (j % 1000 == 0) cout << j << endl; } double p = abbr/(double)N; double sd = sqrt(p*(1-p)/N); cout << endl << p-2*sd << " " << p << " " << p+2*sd << endl; }// $Id: tiny.cpp,v 1.12 1999/10/19 00:39:16 trow Exp $
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