hermes::Quaternion< T > Class Template Reference

Quaternion representation v.x i + v.y j + v.z k + r. More...

Public Member Functions
HERMES_DEVICE_CALLABLE	Quaternion ()
	Default constructor.
HERMES_DEVICE_CALLABLE	Quaternion (T x, T y, T z, T w)
	Construct from component values. More...
HERMES_DEVICE_CALLABLE	Quaternion (const hermes::Vector3< T > &v, T r=0)
	Construct from part values. More...
HERMES_DEVICE_CALLABLE const T &	operator[] (int i) const
	Get i-th component. More...
HERMES_DEVICE_CALLABLE T &	operator[] (int i)
	Get i-th component reference. More...
HERMES_DEVICE_CALLABLE Matrix4x4< T >	matrix () const
HERMES_DEVICE_CALLABLE Quaternion	inverse () const
	Computes inverse of this quaternion. More...
HERMES_DEVICE_CALLABLE Quaternion	conjugate () const
	Computes conjugate of this quaternion. More...
HERMES_DEVICE_CALLABLE T	length2 () const
	Computes the squared norm. More...
HERMES_DEVICE_CALLABLE T	length () const
	Computes the norm. More...
HERMES_DEVICE_CALLABLE Quaternion	normalized () const
	Computes normalized copy. More...

Static Public Member Functions
static HERMES_DEVICE_CALLABLE Quaternion< T >	I ()
	Creates an identity quaternion (0,0,0,1) More...

Public Attributes
hermes::Vector3< T >	v
	vector part
T	r {0}
	scalar part

Detailed Description

template<typename T>
class hermes::Quaternion< T >

Quaternion representation v.x i + v.y j + v.z k + r.

Template Parameters

T

data type

Constructor & Destructor Documentation

Quaternion() [1/2]

template<typename T >

HERMES_DEVICE_CALLABLE hermes::Quaternion< T >::Quaternion ( T  x, T  y, T  z, T  w  )

inline

Construct from component values.

Parameters

x
y
z
w

Quaternion() [2/2]

template<typename T >

HERMES_DEVICE_CALLABLE hermes::Quaternion< T >::Quaternion ( const hermes::Vector3< T > &  v, T  r = 0  )

inline

Construct from part values.

Parameters

v	vector part
r	scalar part

Member Function Documentation

conjugate()

template<typename T >

HERMES_DEVICE_CALLABLE Quaternion hermes::Quaternion< T >::conjugate ( ) const

inline

Computes conjugate of this quaternion.

Returns

I()

template<typename T >

static HERMES_DEVICE_CALLABLE Quaternion<T> hermes::Quaternion< T >::I ( )

inlinestatic

Creates an identity quaternion (0,0,0,1)

Returns

inverse()

template<typename T >

HERMES_DEVICE_CALLABLE Quaternion hermes::Quaternion< T >::inverse ( ) const

inline

Computes inverse of this quaternion.

Returns

length()

template<typename T >

HERMES_DEVICE_CALLABLE T hermes::Quaternion< T >::length ( ) const

inline

Computes the norm.

Returns

length2()

template<typename T >

HERMES_DEVICE_CALLABLE T hermes::Quaternion< T >::length2 ( ) const

inline

Computes the squared norm.

Returns

matrix()

template<typename T >

HERMES_DEVICE_CALLABLE Matrix4x4<T> hermes::Quaternion< T >::matrix ( ) const

inline

Returns

normalized()

template<typename T >

HERMES_DEVICE_CALLABLE Quaternion hermes::Quaternion< T >::normalized ( ) const

inline

Computes normalized copy.

Returns

operator[]() [1/2]

template<typename T >

HERMES_DEVICE_CALLABLE T& hermes::Quaternion< T >::operator[] ( int  i )

inline

Get i-th component reference.

Warning

i is not checked

Parameters

i	component index in [0, 1]

Returns

operator[]() [2/2]

template<typename T >

HERMES_DEVICE_CALLABLE const T& hermes::Quaternion< T >::operator[] ( int  i ) const

inline

Get i-th component.

Warning

i is not checked

Parameters

i	component index in [0, 1]

Returns

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The documentation for this class was generated from the following file:

• hermes/geometry/quaternion.h