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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 _Uniform_h
- #ifdef __GNUG__
- #pragma interface
- #endif
- #define _Uniform_h 1
-
- #include <xrandom.h>
-
- //
- // The interval [lo..hi]
- //
-
- class Uniform: public Random {
- double pLow;
- double pHigh;
- double delta;
- public:
- Uniform(double low, double high, RNG *gen);
-
- double low();
- double low(double x);
- double high();
- double high(double x);
-
- virtual double operator()();
- };
-
-
- inline Uniform::Uniform(double low, double high, RNG *gen) : Random(gen)
- {
- pLow = (low < high) ? low : high;
- pHigh = (low < high) ? high : low;
- delta = pHigh - pLow;
- }
-
- inline double Uniform::low() { return pLow; }
-
- inline double Uniform::low(double x) {
- double tmp = pLow;
- pLow = x;
- delta = pHigh - pLow;
- return tmp;
- }
-
- inline double Uniform::high() { return pHigh; }
-
- inline double Uniform::high(double x) {
- double tmp = pHigh;
- pHigh = x;
- delta = pHigh - pLow;
- return tmp;
- }
-
- #endif
-