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MyGUIEngine
include
MyGUI_Bitwise.h
Go to the documentation of this file.
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/*
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* This source file is part of MyGUI. For the latest info, see http://mygui.info/
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* Distributed under the MIT License
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* (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
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*/
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#ifndef MYGUI_BITWISE_H_
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#define MYGUI_BITWISE_H_
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#include "
MyGUI_Prerequest.h
"
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namespace
MyGUI::Bitwise
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{
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template
<
typename
Type>
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static
inline
Type
firstPO2From
(Type _value)
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{
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--_value;
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_value |= _value >> 16;
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_value |= _value >> 8;
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_value |= _value >> 4;
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_value |= _value >> 2;
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_value |= _value >> 1;
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++_value;
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return
_value;
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}
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template
<
typename
Type>
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static
inline
bool
isPO2
(Type _value)
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{
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return
(_value & (_value - 1)) == 0;
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}
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}
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#endif
// MYGUI_BITWISE_H_
MyGUI_Prerequest.h
MyGUI::Bitwise
Definition
MyGUI_Bitwise.h:13
MyGUI::Bitwise::isPO2
static bool isPO2(Type _value)
Definition
MyGUI_Bitwise.h:30
MyGUI::Bitwise::firstPO2From
static Type firstPO2From(Type _value)
Definition
MyGUI_Bitwise.h:16
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