namespace glm
{
	/// @addtogroup ext_scalar_integer
	/// @{

	/// Return true if the value is a power of two number.
	///
	/// @see ext_scalar_integer
	template<typename genIUType>
	GLM_FUNC_DECL bool isPowerOfTwo(genIUType v);

	/// Return the power of two number which value is just higher the input value,
	/// round up to a power of two.
	///
	/// @see ext_scalar_integer
	template<typename genIUType>
	GLM_FUNC_DECL genIUType nextPowerOfTwo(genIUType v);

	/// Return the power of two number which value is just lower the input value,
	/// round down to a power of two.
	///
	/// @see ext_scalar_integer
	template<typename genIUType>
	GLM_FUNC_DECL genIUType prevPowerOfTwo(genIUType v);

	/// Return true if the 'Value' is a multiple of 'Multiple'.
	///
	/// @see ext_scalar_integer
	template<typename genIUType>
	GLM_FUNC_DECL bool isMultiple(genIUType v, genIUType Multiple);

	/// Higher multiple number of Source.
	///
	/// @tparam genIUType Integer scalar or vector types.
	///
	/// @param v Source value to which is applied the function
	/// @param Multiple Must be a null or positive value
	///
	/// @see ext_scalar_integer
	template<typename genIUType>
	GLM_FUNC_DECL genIUType nextMultiple(genIUType v, genIUType Multiple);

	/// Lower multiple number of Source.
	///
	/// @tparam genIUType Integer scalar or vector types.
	///
	/// @param v Source value to which is applied the function
	/// @param Multiple Must be a null or positive value
	///
	/// @see ext_scalar_integer
	template<typename genIUType>
	GLM_FUNC_DECL genIUType prevMultiple(genIUType v, genIUType Multiple);

	/// Returns the bit number of the Nth significant bit set to
	/// 1 in the binary representation of value.
	/// If value bitcount is less than the Nth significant bit, -1 will be returned.
	///
	/// @tparam genIUType Signed or unsigned integer scalar types.
	///
	/// @see ext_scalar_integer
	template<typename genIUType>
	GLM_FUNC_DECL int findNSB(genIUType x, int significantBitCount);

	/// @}
} //namespace glm

#include "scalar_integer.inl"
