From d4fbbaea2c3c09d36785d0fef24317842ed17069 Mon Sep 17 00:00:00 2001 From: Alexander Sulfrian Date: Sun, 25 Mar 2012 21:35:11 +0200 Subject: utils/math: added abs/min/max as static template functions --- src/utils/math.hpp | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 src/utils/math.hpp (limited to 'src/utils/math.hpp') diff --git a/src/utils/math.hpp b/src/utils/math.hpp new file mode 100644 index 00000000..d49ff18c --- /dev/null +++ b/src/utils/math.hpp @@ -0,0 +1,69 @@ +/* + * UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + */ + +#ifndef MATH_HPP +#define MATH_HPP + +namespace usdx +{ + class Math + { + public: + template + static const T min(const T a, const T b) + { + if (a < b) + return a; + return b; + } + + template + static const T max(const T a, const T b) + { + if (a > b) + return a; + return b; + } + + template + static const T abs(const T value) + { + if (value < 0) + return -value; + return value; + } + + private: + /** + * private constructor to ensure, that this class never gets + instanciated + */ + Math() {}; + }; +}; + + +#endif -- cgit v1.2.3