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///////////////////////////////////////////////////////////////////////////////////////////////////
// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
///////////////////////////////////////////////////////////////////////////////////////////////////
// Created : 2007-03-14
// Updated : 2008-11-14
// Licence : This source is under MIT License
// File : glm/gtx/bit.hpp
///////////////////////////////////////////////////////////////////////////////////////////////////
// Dependency:
// - GLM core
// - GLM_GTC_half_float
///////////////////////////////////////////////////////////////////////////////////////////////////
#ifndef glm_gtx_bit
#define glm_gtx_bit
// Dependency:
#include "../glm.hpp"
#include "../gtc/half_float.hpp"
#if(defined(GLM_MESSAGES) && !defined(glm_ext))
# pragma message("GLM: GLM_GTX_bit extension included")
#endif
namespace glm{
namespace gtx{
namespace bit ///< GLM_GTX_bit extension: Allow to perform bit operations on integer values
{
using namespace gtc::half_float;
/// \addtogroup gtx_bit
///@{
//! Build a mask of 'count' bits
//! From GLM_GTX_bit extension.
template <typename genIType>
genIType mask(genIType const & count);
//! Component wise extraction of bit fields.
//! genType and genIType could be a scalar or a vector.
//! From GLM_GTX_bit extension.
template <typename genIUType, typename sizeType>
genIUType extractField(
genIUType const & v,
sizeType const & first,
sizeType const & count);
//! Find the lowest bit set to 1 in a integer variable.
//! From GLM_GTX_bit extension.
template <typename genType>
int lowestBit(genType const & value);
//! Find the highest bit set to 1 in a integer variable.
//! From GLM_GTX_bit extension.
template <typename genType>
int highestBit(genType const & value);
//! Find the highest bit set to 1 in a integer variable and return its value.
//! From GLM_GTX_bit extension.
template <typename genType>
genType highestBitValue(genType const & value);
//! Return true if the value is a power of two number.
//! From GLM_GTX_bit extension.
template <typename genType>
bool isPowerOfTwo(genType const & value);
//! Return the power of two number which value is just higher the input value.
//! From GLM_GTX_bit extension.
template <typename genType>
genType powerOfTwoAbove(genType const & value);
//! Return the power of two number which value is just lower the input value.
//! From GLM_GTX_bit extension.
template <typename genType>
genType powerOfTwoBelow(genType const & value);
//! Return the power of two number which value is the closet to the input value.
//! From GLM_GTX_bit extension.
template <typename genType>
genType powerOfTwoNearest(genType const & value);
//! Revert all bits of any integer based type.
//! From GLM_GTX_bit extension.
template <typename genType>
genType bitRevert(genType const & value);
//! Rotate all bits to the right.
//! From GLM_GTX_bit extension.
template <typename genType>
genType bitRotateRight(genType const & In, std::size_t Shift);
//! Rotate all bits to the left.
//! From GLM_GTX_bit extension.
template <typename genType>
genType bitRotateLeft(genType const & In, std::size_t Shift);
///@}
}//namespace bit
}//namespace gtx
}//namespace glm
#include "bit.inl"
namespace glm{using namespace gtx::bit;}
#endif//glm_gtx_bit
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