64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
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/*
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Copyright (C) 1988 Free Software Foundation
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written by Dirk Grunwald (grunwald@cs.uiuc.edu)
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This file is part of GNU CC.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY. No author or distributor
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accepts responsibility to anyone for the consequences of using it
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or for whether it serves any particular purpose or works at all,
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unless he says so in writing. Refer to the GNU CC General Public
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License for full details.
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Everyone is granted permission to copy, modify and redistribute
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GNU CC, but only under the conditions described in the
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GNU CC General Public License. A copy of this license is
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supposed to have been given to you along with GNU CC so you
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can know your rights and responsibilities. It should be in a
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file named COPYING. Among other things, the copyright notice
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and this notice must be preserved on all copies.
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*/
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#ifndef _Binomial_h
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#ifdef __GNUG__
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#pragma once
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#pragma interface
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#endif
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#define _Binomial_h 1
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#include <Random.h>
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class Binomial: public Random {
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protected:
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int pN;
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double pU;
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public:
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Binomial(int n, double u, RNG *gen);
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int n();
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int n(int xn);
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double u();
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double u(int xu);
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virtual double operator()();
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};
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#if defined(__OPTIMIZE__) || defined(USE_LIBGXX_INLINES)
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inline Binomial::Binomial(int n, double u, RNG *gen)
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: (gen){
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pN = n; pU = u;
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}
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inline int Binomial::n() { return pN; }
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inline int Binomial::n(int xn) { int tmp = pN; pN = xn; return tmp; }
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inline double Binomial::u() { return pU; }
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inline double Binomial::u(int xu) { double tmp = pU; pU = xu; return tmp; }
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#endif
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#endif
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