63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
// inlines.h -- various inline template definitions
|
|
//
|
|
// Written by Norman Vine, started June 2000.
|
|
//
|
|
// Copyright (C) 2000 Norman Vine - nhv@cape.com
|
|
//
|
|
// 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, Inc., 59 Temple Place - Suite 330,
|
|
// Boston, MA 02111-1307, USA.
|
|
//
|
|
// $Id$
|
|
|
|
|
|
#ifndef _SG_INLINES_H
|
|
#define _SG_INLINES_H
|
|
|
|
|
|
template <class T>
|
|
inline const int SG_SIGN(const T x) {
|
|
return x < T(0) ? -1 : 1;
|
|
}
|
|
|
|
template <class T>
|
|
inline const T SG_MIN(const T a, const T b) {
|
|
return a < b ? a : b;
|
|
}
|
|
|
|
// return the minimum of three values
|
|
template <class T>
|
|
inline const T SG_MIN3( const T a, const T b, const T c) {
|
|
return (a < b ? SG_MIN (a, c) : SG_MIN (b, c));
|
|
}
|
|
|
|
template <class T>
|
|
inline const T SG_MAX(const T a, const T b) {
|
|
return a > b ? a : b;
|
|
}
|
|
|
|
// return the maximum of three values
|
|
template <class T>
|
|
inline const T SG_MAX3 (const T a, const T b, const T c) {
|
|
return (a > b ? SG_MAX (a, c) : SG_MAX (b, c));
|
|
}
|
|
|
|
//
|
|
template <class T>
|
|
inline void SG_SWAP( T &a, T &b) {
|
|
T c = a; a = b; b = c;
|
|
}
|
|
|
|
#endif // _SG_INLINES_H
|