## modules/up/src/Core/gnu/Uniform.h

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## FUNCTIONS

This source file includes following functions.

1. Uniform
2. Uniform
3. low
4. low
5. high
6. high

       1 // This may look like C code, but it is really -*- C++ -*-
       2 /*
       3 Copyright (C) 1988 Free Software Foundation
       4     written by Dirk Grunwald (grunwald@cs.uiuc.edu)
       5
       6 This file is part of the GNU C++ Library.  This library is free
       7 software; you can redistribute it and/or modify it under the terms of
       8 the GNU Library General Public License as published by the Free
       9 Software Foundation; either version 2 of the License, or (at your
      10 option) any later version.  This library is distributed in the hope
      11 that it will be useful, but WITHOUT ANY WARRANTY; without even the
      12 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
      13 PURPOSE.  See the GNU Library General Public License for more details.
      14 You should have received a copy of the GNU Library General Public
      15 License along with this library; if not, write to the Free Software
      16 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
      17 */
      18 #ifndef _Uniform_h
      19 #ifdef __GNUG__
      20 #pragma interface
      21 #endif
      22 #define _Uniform_h 1
      23
      24 #include "gnu/Random.h"
      25
      26 //
      27 //      The interval [lo..hi]
      28 //
      29
      30 class Uniform: public Random {
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      31     double pLow;
      32     double pHigh;
      33     double delta;
      34 public:
      35     Uniform(double low, double high, RNG *gen);
      36
      37     double low();
      38     double low(double x);
      39     double high();
      40     double high(double x);
      41
      42     virtual double operator()();
      43 };
      44
      45
      46 inline Uniform::Uniform(double low, double high, RNG *gen) : Random(gen)
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      47 {
      48     pLow = (low < high) ? low : high;
      49     pHigh = (low < high) ? high : low;
      50     delta = pHigh - pLow;
      51 }
      52
      53 inline double Uniform::low() { return pLow; }
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      54
      55 inline double Uniform::low(double x) {
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      56   double tmp = pLow;
      57   pLow = x;
      58   delta = pHigh - pLow;
      59   return tmp;
      60 }
      61
      62 inline double Uniform::high() { return pHigh; }
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      63
      64 inline double Uniform::high(double x) {
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      65   double tmp = pHigh;
      66   pHigh = x;
      67   delta = pHigh - pLow;
      68   return tmp;
      69 }
      70
      71 #endif

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