00001 00004 00005 // 00006 // Copyright (c) 2001-2004 California Institute of Technology 00007 // Copyright (c) 2004-2007 University of Southern California 00008 // Rob Peters <rjpeters at usc dot edu> 00009 // 00010 // created: Sun Jul 22 23:31:48 2001 00011 // commit: $Id: algo.h 10065 2007-04-12 05:54:56Z rjpeters $ 00012 // $HeadURL: file:///lab/rjpeters/svnrepo/code/trunk/groovx/src/rutz/algo.h $ 00013 // 00014 // -------------------------------------------------------------------- 00015 // 00016 // This file is part of GroovX. 00017 // [http://ilab.usc.edu/rjpeters/groovx/] 00018 // 00019 // GroovX is free software; you can redistribute it and/or modify it 00020 // under the terms of the GNU General Public License as published by 00021 // the Free Software Foundation; either version 2 of the License, or 00022 // (at your option) any later version. 00023 // 00024 // GroovX is distributed in the hope that it will be useful, but 00025 // WITHOUT ANY WARRANTY; without even the implied warranty of 00026 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00027 // General Public License for more details. 00028 // 00029 // You should have received a copy of the GNU General Public License 00030 // along with GroovX; if not, write to the Free Software Foundation, 00031 // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. 00032 // 00034 00035 #ifndef GROOVX_RUTZ_ALGO_H_UTC20050626084020_DEFINED 00036 #define GROOVX_RUTZ_ALGO_H_UTC20050626084020_DEFINED 00037 00038 namespace rutz 00039 { 00040 template <class T> 00041 inline const T& min(const T& a, const T& b) 00042 { 00043 /* return (a < b) ? a : b; */ // This triggers warnings in some compilers :( 00044 if (a < b) return a; return b; 00045 } 00046 00047 template <class T> 00048 inline const T& max(const T& a, const T& b) 00049 { 00050 /* return (a > b) ? a : b; */ // This triggers warnings in some compilers :( 00051 if (a > b) return a; return b; 00052 } 00053 00054 template <class T> 00055 inline T abs(const T& val) 00056 { 00057 return (val < 0) ? -val : val; 00058 } 00059 00060 template <class T> 00061 inline T clamp(const T& val, const T& lower, const T& upper) 00062 { 00063 return rutz::max(lower, rutz::min(upper, val)); 00064 } 00065 00066 template <class T> 00067 inline void swap2(T& t1, T& t2) 00068 { 00069 T t2_copy = t2; 00070 t2 = t1; 00071 t1 = t2_copy; 00072 } 00073 } 00074 00075 static const char __attribute__((used)) vcid_groovx_rutz_algo_h_utc20050626084020[] = "$Id: algo.h 10065 2007-04-12 05:54:56Z rjpeters $ $HeadURL: file: 00076 #endif // !GROOVX_RUTZ_ALGO_H_UTC20050626084020_DEFINED