61d5ffaf10
issues in these areas:
.h's installed
.hP's installed
-lcurses interaction
files needed in ~/legal for copyleft reasons.
73 lines
1.8 KiB
C++
73 lines
1.8 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 the GNU C++ Library. This library is free
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software; you can redistribute it and/or modify it under the terms of
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the GNU Library General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at your
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option) any later version. This library is distributed in the hope
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that it will be useful, but WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the GNU Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free Software
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Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _DiscreteUniform_h
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#ifdef __GNUG__
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#pragma interface
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#endif
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#define _DiscreteUniform_h 1
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#include <Random.h>
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//
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// The interval [lo..hi)
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//
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class DiscreteUniform: public Random {
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long pLow;
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long pHigh;
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double delta;
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public:
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DiscreteUniform(long low, long high, RNG *gen);
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long low();
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long low(long x);
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long high();
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long high(long x);
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virtual double operator()();
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};
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inline DiscreteUniform::DiscreteUniform(long low, long high, RNG *gen)
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: Random(gen)
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{
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pLow = (low < high) ? low : high;
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pHigh = (low < high) ? high : low;
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delta = (pHigh - pLow) + 1;
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}
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inline long DiscreteUniform::low() { return pLow; }
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inline long DiscreteUniform::low(long x) {
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long tmp = pLow;
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pLow = x;
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delta = (pHigh - pLow) + 1;
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return tmp;
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}
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inline long DiscreteUniform::high() { return pHigh; }
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inline long DiscreteUniform::high(long x) {
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long tmp = pHigh;
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pHigh = x;
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delta = (pHigh - pLow) + 1;
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return tmp;
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}
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#endif
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