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