3 * Various inline template definitions.
6 // Written by Norman Vine, started June 2000.
8 // Copyright (C) 2000 Norman Vine - nhv@cape.com
10 // This library is free software; you can redistribute it and/or
11 // modify it under the terms of the GNU Library General Public
12 // License as published by the Free Software Foundation; either
13 // version 2 of the License, or (at your option) any later version.
15 // This library is distributed in the hope that it will be useful,
16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 // Library General Public License for more details.
20 // You should have received a copy of the GNU Library General Public
21 // License along with this library; if not, write to the
22 // Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 // Boston, MA 02111-1307, USA.
32 inline const int SG_SIGN(const T x) {
33 return x < T(0) ? -1 : 1;
37 inline const T SG_MIN2(const T a, const T b) {
41 // return the minimum of three values
43 inline const T SG_MIN3( const T a, const T b, const T c) {
44 return (a < b ? SG_MIN2 (a, c) : SG_MIN2 (b, c));
48 inline const T SG_MAX2(const T a, const T b) {
52 // return the maximum of three values
54 inline const T SG_MAX3 (const T a, const T b, const T c) {
55 return (a > b ? SG_MAX2 (a, c) : SG_MAX2 (b, c));
60 inline void SG_SWAP( T &a, T &b) {
61 T c = a; a = b; b = c;
64 #endif // _SG_INLINES_H