/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2015-2016 Mario Luzeiro * Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.txt for contributors. * * 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; if not, you may find one here: * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html * or you may search the http://www.gnu.org website for the version 2 license, * or you may write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */ /** * @file mortoncodes.h * @brief Implements Morton Codes * https://fgiesen.wordpress.com/2009/12/13/decoding-morton-codes/ * http://www.forceflow.be/2013/10/07/morton-encodingdecoding-through-bit-interleaving-implementations/ */ #ifndef _MORTONCODES_H_ #define _MORTONCODES_H_ #include uint32_t EncodeMorton2( uint32_t x, uint32_t y ); uint32_t EncodeMorton3( uint32_t x, uint32_t y, uint32_t z ); uint32_t DecodeMorton2X( uint32_t code ); uint32_t DecodeMorton2Y( uint32_t code ); uint32_t DecodeMorton3X( uint32_t code ); uint32_t DecodeMorton3Y( uint32_t code ); uint32_t DecodeMorton3Z( uint32_t code ); #endif // _MORTONCODES_H_