glm::gtx::bit Namespace Reference

GLM_GTX_bit extension: Allow to perform bit operations on integer values. More...

Functions
template<typename genType >
genType	bitRevert (genType const &value)
	Revert all bits of any integer based type.
template<typename genType >
genType	bitRotateLeft (genType const &In, std::size_t Shift)
	Rotate all bits to the left.
template<typename genType >
genType	bitRotateRight (genType const &In, std::size_t Shift)
	Rotate all bits to the right.
template<typename genType , typename genIType >
genIType	extractField (genType const &v, genIType const &first, genIType const &count)
	Component wise extraction of bit fields.
template<typename genType >
int	highestBit (genType const &value)
	Find the highest bit set to 1 in a integer variable.
template<typename genType >
genType	highestBitValue (genType const &value)
	Find the highest bit set to 1 in a integer variable and return its value.
template<typename genType >
bool	isPowerOfTwo (genType const &value)
	Return true if the value is a power of two number.
template<typename genType >
int	lowestBit (genType const &value)
	Find the lowest bit set to 1 in a integer variable.
template<typename genIType >
genIType	mask (genIType const &count)
	Build a mask of 'count' bits From GLM_GTX_bit extension.
template<typename genType >
genType	powerOfTwoAbove (genType const &value)
	Return the power of two number which value is just higher the input value.
template<typename genType >
genType	powerOfTwoBelow (genType const &value)
	Return the power of two number which value is just lower the input value.
template<typename genType >
genType	powerOfTwoNearest (genType const &value)
	Return the power of two number which value is the closet to the input value.

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Detailed Description

GLM_GTX_bit extension: Allow to perform bit operations on integer values.

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Function Documentation

genType glm::gtx::bit::bitRevert

(

genType const &

value

)

Revert all bits of any integer based type.

From GLM_GTX_bit extension.

genType glm::gtx::bit::bitRotateLeft	(	genType const &	In,
		std::size_t	Shift
	)

Rotate all bits to the left.

From GLM_GTX_bit extension.

genType glm::gtx::bit::bitRotateRight	(	genType const &	In,
		std::size_t	Shift
	)

Rotate all bits to the right.

From GLM_GTX_bit extension.

genIType glm::gtx::bit::extractField	(	genType const &	v,
		genIType const &	first,
		genIType const &	count
	)

Component wise extraction of bit fields.

genType and genIType could be a scalar or a vector. From GLM_GTX_bit extension.

int glm::gtx::bit::highestBit

(

genType const &

value

)

Find the highest bit set to 1 in a integer variable.

From GLM_GTX_bit extension.

genType glm::gtx::bit::highestBitValue

(

genType const &

value

)

Find the highest bit set to 1 in a integer variable and return its value.

From GLM_GTX_bit extension.

bool glm::gtx::bit::isPowerOfTwo

(

genType const &

value

)

Return true if the value is a power of two number.

From GLM_GTX_bit extension.

int glm::gtx::bit::lowestBit

(

genType const &

value

)

Find the lowest bit set to 1 in a integer variable.

From GLM_GTX_bit extension.

genIType glm::gtx::bit::mask

(

genIType const &

count

)

Build a mask of 'count' bits From GLM_GTX_bit extension.

genType glm::gtx::bit::powerOfTwoAbove

(

genType const &

value

)

Return the power of two number which value is just higher the input value.

From GLM_GTX_bit extension.

genType glm::gtx::bit::powerOfTwoBelow

(

genType const &

value

)

Return the power of two number which value is just lower the input value.

From GLM_GTX_bit extension.

genType glm::gtx::bit::powerOfTwoNearest

(

genType const &

value

)

Return the power of two number which value is the closet to the input value.

From GLM_GTX_bit extension.