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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 GNU CC.
-
- GNU CC is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY. No author or distributor
- accepts responsibility to anyone for the consequences of using it
- or for whether it serves any particular purpose or works at all,
- unless he says so in writing. Refer to the GNU CC General Public
- License for full details.
-
- Everyone is granted permission to copy, modify and redistribute
- GNU CC, but only under the conditions described in the
- GNU CC General Public License. A copy of this license is
- supposed to have been given to you along with GNU CC so you
- can know your rights and responsibilities. It should be in a
- file named COPYING. Among other things, the copyright notice
- and this notice must be preserved on all copies.
- */
- #ifndef _Binomial_h
- #ifdef __GNUG__
- #pragma once
- #pragma interface
- #endif
- #define _Binomial_h 1
-
- #include <_Random.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()();
-
- };
-
- #if defined(__OPTIMIZE__) || defined(USE_LIBGXX_INLINES)
-
- inline Binomial::Binomial(int n, double u, RNG *gen)
- : (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
- #endif
-