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misc.h

00001 // misc.h
00002 //
00003 // Copyright (C) 2003, 2004 Jason Bevins
00004 //
00005 // This library is free software; you can redistribute it and/or modify it
00006 // under the terms of the GNU Lesser General Public License as published by
00007 // the Free Software Foundation; either version 2.1 of the License, or (at
00008 // your option) any later version.
00009 //
00010 // This library is distributed in the hope that it will be useful, but WITHOUT
00011 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00012 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
00013 // License (COPYING.txt) for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public License
00016 // along with this library; if not, write to the Free Software Foundation,
00017 // Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //
00019 // The developer's email is jlbezigvins@gmzigail.com (for great email, take
00020 // off every 'zig'.)
00021 //
00022 
00023 #ifndef NOISE_MISC_H
00024 #define NOISE_MISC_H
00025 
00026 namespace noise
00027 {
00028 
00041   inline int ClampValue (int value, int lowerBound, int upperBound)
00042   {
00043     if (value < lowerBound) {
00044       return lowerBound;
00045     } else if (value > upperBound) {
00046       return upperBound;
00047     } else {
00048       return value;
00049     }
00050   }
00051 
00054 
00061   template <class T>
00062   T GetMax (const T& a, const T& b)
00063   {
00064     return (a > b? a: b);
00065   }
00066 
00073   template <class T>
00074   T GetMin (const T& a, const T& b)
00075   {
00076     return (a < b? a: b);
00077   }
00078 
00085   template <class T>
00086   void SwapValues (T& a, T& b)
00087   {
00088     T c = a;
00089     a = b;
00090     b = c;
00091   }
00092 
00094 
00095 }
00096 
00097 #endif