integer.inl

///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
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/// @ref gtc_integer
/// @file glm/gtc/integer.inl
/// @date 2014-11-17 / 2014-11-17
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////

namespace glm{
namespace detail
{
	template <typename T, precision P, template <class, precision> class vecType>
	struct compute_log2<T, P, vecType, false>
	{
		GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & vec)
		{
			//Equivalent to return findMSB(vec); but save one function call in ASM with VC
			//return findMSB(vec);
			return vecType<T, P>(detail::compute_findMSB_vec<T, P, vecType, sizeof(T) * 8>::call(vec));
		}
	};

#	if GLM_HAS_BITSCAN_WINDOWS
		template <precision P>
		struct compute_log2<int, P, tvec4, false>
		{
			GLM_FUNC_QUALIFIER static tvec4<int, P> call(tvec4<int, P> const & vec)
			{
				tvec4<int, P> Result(glm::uninitialize);

				_BitScanReverse(reinterpret_cast<unsigned long*>(&Result.x), vec.x);
				_BitScanReverse(reinterpret_cast<unsigned long*>(&Result.y), vec.y);
				_BitScanReverse(reinterpret_cast<unsigned long*>(&Result.z), vec.z);
				_BitScanReverse(reinterpret_cast<unsigned long*>(&Result.w), vec.w);

				return Result;
			}
		};
#	endif//GLM_HAS_BITSCAN_WINDOWS

	template <typename T, precision P, template <class, precision> class vecType, typename genType>
	struct compute_mod<T, P, vecType, genType, false>
	{
		GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & a, genType const & b)
		{
			return a % b;
		}
	};
}//namespace detail
}//namespace glm