forked from bartvdbraak/blender
63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*
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*/
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/** \file container/CTR_HashedPtr.h
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* \ingroup ctr
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*/
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#ifndef __CTR_HASHEDPTR_H__
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#define __CTR_HASHEDPTR_H__
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#include <stdlib.h>
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inline unsigned int CTR_Hash(void *inDWord)
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{
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size_t key = (size_t)inDWord;
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return (unsigned int)(key ^ (key >> 4));
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}
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class CTR_HashedPtr
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{
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void *m_valptr;
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public:
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CTR_HashedPtr(void *val) : m_valptr(val) {
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}
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unsigned int hash() const {
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return CTR_Hash(m_valptr);
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}
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inline friend bool operator ==(const CTR_HashedPtr & rhs, const CTR_HashedPtr & lhs) {
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return rhs.m_valptr == lhs.m_valptr;
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}
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void *getValue() const {
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return m_valptr;
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}
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};
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#endif /* __CTR_HASHEDPTR_H__ */
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