home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
OS/2 Shareware BBS: 22 gnu
/
22-gnu.zip
/
lib270b.zip
/
emx
/
include
/
cpp
/
NegExp.h
< prev
next >
Wrap
C/C++ Source or Header
|
1995-06-16
|
2KB
|
56 lines
// 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _NegativeExpntl_h
#ifdef __GNUG__
#pragma interface
#endif
#define _NegativeExpntl_h 1
//
// Negative Exponential Random Numbers
//
//
#include <Random.h>
class NegativeExpntl: public Random {
protected:
double pMean;
public:
NegativeExpntl(double xmean, RNG *gen);
double mean();
double mean(double x);
virtual double operator()();
};
inline NegativeExpntl::NegativeExpntl(double xmean, RNG *gen)
: Random(gen) {
pMean = xmean;
}
inline double NegativeExpntl::mean() { return pMean; }
inline double NegativeExpntl::mean(double x) {
double t = pMean; pMean = x;
return t;
}
#endif