text: ///////////////////////////////////////////////////////////////////////////////////
  /// OpenGL Mathematics (glm.g-truc.net)
  ///
  /// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
  /// Permission is hereby granted, free of charge, to any person obtaining a copy
  /// of this software and associated documentation files (the "Software"), to deal
  /// in the Software without restriction, including without limitation the rights
  /// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  /// copies of the Software, and to permit persons to whom the Software is
  /// furnished to do so, subject to the following conditions:
  /// 
  /// The above copyright notice and this permission notice shall be included in
  /// all copies or substantial portions of the Software.
  /// 
  /// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  /// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  /// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  /// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  /// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  /// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  /// THE SOFTWARE.
  ///
  /// @ref gtc_bitfield
  /// @file glm/gtc/bitfield.hpp
  /// @date 2014-10-25 / 2014-10-25
  /// @author Christophe Riccio
  ///
  /// @see core (dependence)
  /// @see gtc_bitfield (dependence)
  ///
  /// @defgroup gtc_bitfield GLM_GTC_bitfield
  /// @ingroup gtc
  /// 
  /// @brief Allow to perform bit operations on integer values
  /// 
  /// <glm/gtc/bitfield.hpp> need to be included to use these functionalities.
  ///////////////////////////////////////////////////////////////////////////////////
  
  #pragma once
  
  // Dependencies
  #include "../detail/setup.hpp"
  #include "../detail/precision.hpp"
  #include "../detail/type_int.hpp"
  #include "../detail/_vectorize.hpp"
  #include <limits>
  
  #if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
  #	pragma message("GLM: GLM_GTC_bitfield extension included")
  #endif
  
  namespace glm
  {
  	/// @addtogroup gtc_bitfield
  	/// @{
  
  	/// Build a mask of 'count' bits
  	///
  	/// @see gtc_bitfield
  	template <typename genIUType>
  	GLM_FUNC_DECL genIUType mask(genIUType Bits);
  	
  	/// Build a mask of 'count' bits
  	///
  	/// @see gtc_bitfield
  	template <typename T, precision P, template <typename, precision> class vecIUType>
  	GLM_FUNC_DECL vecIUType<T, P> mask(vecIUType<T, P> const & v);
  
  	/// Rotate all bits to the right. All the bits dropped in the right side are inserted back on the left side.
  	///
  	/// @see gtc_bitfield
  	template <typename genIUType>
  	GLM_FUNC_DECL genIUType bitfieldRotateRight(genIUType In, int Shift);
  
  	/// Rotate all bits to the right. All the bits dropped in the right side are inserted back on the left side.
  	///
  	/// @see gtc_bitfield
  	template <typename T, precision P, template <typename, precision> class vecType>
  	GLM_FUNC_DECL vecType<T, P> bitfieldRotateRight(vecType<T, P> const & In, int Shift);
  
  	/// Rotate all bits to the left. All the bits dropped in the left side are inserted back on the right side.
  	///
  	/// @see gtc_bitfield
  	template <typename genIUType>
  	GLM_FUNC_DECL genIUType bitfieldRotateLeft(genIUType In, int Shift);
  
  	/// Rotate all bits to the left. All the bits dropped in the left side are inserted back on the right side.
  	///
  	/// @see gtc_bitfield
  	template <typename T, precision P, template <typename, precision> class vecType>
  	GLM_FUNC_DECL vecType<T, P> bitfieldRotateLeft(vecType<T, P> const & In, int Shift);
  
  	/// Set to 1 a range of bits.
  	///
  	/// @see gtc_bitfield
  	template <typename genIUType>
  	GLM_FUNC_DECL genIUType bitfieldFillOne(genIUType Value, int FirstBit, int BitCount);
  
  	/// Set to 1 a range of bits.
  	///
  	/// @see gtc_bitfield
  	template <typename T, precision P, template <typename, precision> class vecType>
  	GLM_FUNC_DECL vecType<T, P> bitfieldFillOne(vecType<T, P> const & Value, int FirstBit, int BitCount);
  
  	/// Set to 0 a range of bits.
  	///
  	/// @see gtc_bitfield
  	template <typename genIUType>
  	GLM_FUNC_DECL genIUType bitfieldFillZero(genIUType Value, int FirstBit, int BitCount);
  
  	/// Set to 0 a range of bits.
  	///
  	/// @see gtc_bitfield
  	template <typename T, precision P, template <typename, precision> class vecType>
  	GLM_FUNC_DECL vecType<T, P> bitfieldFillZero(vecType<T, P> const & Value, int FirstBit, int BitCount);
  
  	/// Interleaves the bits of x and y.
  	/// The first bit is the first bit of x followed by the first bit of y.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL int16 bitfieldInterleave(int8 x, int8 y);
  
  	/// Interleaves the bits of x and y.
  	/// The first bit is the first bit of x followed by the first bit of y.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL uint16 bitfieldInterleave(uint8 x, uint8 y);
  
  	/// Interleaves the bits of x and y.
  	/// The first bit is the first bit of x followed by the first bit of y.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL int32 bitfieldInterleave(int16 x, int16 y);
  
  	/// Interleaves the bits of x and y.
  	/// The first bit is the first bit of x followed by the first bit of y.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL uint32 bitfieldInterleave(uint16 x, uint16 y);
  
  	/// Interleaves the bits of x and y.
  	/// The first bit is the first bit of x followed by the first bit of y.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL int64 bitfieldInterleave(int32 x, int32 y);
  
  	/// Interleaves the bits of x and y.
  	/// The first bit is the first bit of x followed by the first bit of y.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL uint64 bitfieldInterleave(uint32 x, uint32 y);
  
  	/// Interleaves the bits of x, y and z.
  	/// The first bit is the first bit of x followed by the first bit of y and the first bit of z.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL int32 bitfieldInterleave(int8 x, int8 y, int8 z);
  
  	/// Interleaves the bits of x, y and z.
  	/// The first bit is the first bit of x followed by the first bit of y and the first bit of z.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL uint32 bitfieldInterleave(uint8 x, uint8 y, uint8 z);
  
  	/// Interleaves the bits of x, y and z.
  	/// The first bit is the first bit of x followed by the first bit of y and the first bit of z.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL int64 bitfieldInterleave(int16 x, int16 y, int16 z);
  
  	/// Interleaves the bits of x, y and z. 
  	/// The first bit is the first bit of x followed by the first bit of y and the first bit of z.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL uint64 bitfieldInterleave(uint16 x, uint16 y, uint16 z);
  
  	/// Interleaves the bits of x, y and z. 
  	/// The first bit is the first bit of x followed by the first bit of y and the first bit of z.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL int64 bitfieldInterleave(int32 x, int32 y, int32 z);
  
  	/// Interleaves the bits of x, y and z. 
  	/// The first bit is the first bit of x followed by the first bit of y and the first bit of z.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL uint64 bitfieldInterleave(uint32 x, uint32 y, uint32 z);
  
  	/// Interleaves the bits of x, y, z and w. 
  	/// The first bit is the first bit of x followed by the first bit of y, the first bit of z and finally the first bit of w.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL int32 bitfieldInterleave(int8 x, int8 y, int8 z, int8 w);
  
  	/// Interleaves the bits of x, y, z and w. 
  	/// The first bit is the first bit of x followed by the first bit of y, the first bit of z and finally the first bit of w.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL uint32 bitfieldInterleave(uint8 x, uint8 y, uint8 z, uint8 w);
  
  	/// Interleaves the bits of x, y, z and w. 
  	/// The first bit is the first bit of x followed by the first bit of y, the first bit of z and finally the first bit of w.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL int64 bitfieldInterleave(int16 x, int16 y, int16 z, int16 w);
  
  	/// Interleaves the bits of x, y, z and w. 
  	/// The first bit is the first bit of x followed by the first bit of y, the first bit of z and finally the first bit of w.
  	/// The other bits are interleaved following the previous sequence.
  	/// 
  	/// @see gtc_bitfield
  	GLM_FUNC_DECL uint64 bitfieldInterleave(uint16 x, uint16 y, uint16 z, uint16 w);
  
  	/// @}
  } //namespace glm
  
  #include "bitfield.inl"
  