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- // This may look like C code, but it is really -*- C++ -*-
- /*
- Copyright (C) 1988 Free Software Foundation
- written by Dirk Grunwald (grunwald@cs.uiuc.edu)
-
- This file is part of the GNU C++ Library. 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, 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- #ifndef _Binomial_h
- #ifdef __GNUG__
- #pragma interface
- #endif
- #define _Binomial_h 1
-
- #include <xrandom.h>
-
- class Binomial: public Random {
- protected:
- int pN;
- double pU;
- public:
- Binomial(int n, double u, RNG *gen);
-
- int n();
- int n(int xn);
-
- double u();
- double u(int xu);
-
- virtual double operator()();
-
- };
-
-
- inline Binomial::Binomial(int n, double u, RNG *gen)
- : Random(gen){
- pN = n; pU = u;
- }
-
- inline int Binomial::n() { return pN; }
- inline int Binomial::n(int xn) { int tmp = pN; pN = xn; return tmp; }
-
- inline double Binomial::u() { return pU; }
- inline double Binomial::u(int xu) { double tmp = pU; pU = xu; return tmp; }
-
- #endif
-