Randomly rotate a set of vectors. More...

Inheritance diagram for faiss::RandomRotationMatrix:

Public Member Functions
	RandomRotationMatrix (int d_in, int d_out)
	both d_in > d_out and d_out < d_in are supported

void	init (int seed)
	must be called before the transform is used

virtual void	reverse_transform (idx_t n, const float xt, float x) const override

Public Member Functions inherited from faiss::LinearTransform
	LinearTransform (int d_in=0, int d_out=0, bool have_bias=false)
	both d_in > d_out and d_out < d_in are supported

virtual void	apply_noalloc (idx_t n, const float x, float xt) const
	same as apply, but result is pre-allocated

void	transform_transpose (idx_t n, const float y, float x) const

const float *	maybe_subsample_train_set (Index::idx_t n, const float x)

Public Member Functions inherited from faiss::VectorTransform
	VectorTransform (int d_in=0, int d_out=0)
	! output dimension

virtual void	train (idx_t n, const float *x)

float *	apply (idx_t n, const float *x) const

Additional Inherited Members
Public Types inherited from faiss::VectorTransform
typedef Index::idx_t	idx_t

Public Attributes inherited from faiss::LinearTransform
bool	have_bias

std::vector< float >	A
	! whether to use the bias term More...

std::vector< float >	b
	bias vector, size d_out

size_t	max_points_per_d

bool	verbose

Public Attributes inherited from faiss::VectorTransform
int	d_in

int	d_out
	! input dimension

bool	is_trained

Detailed Description

Randomly rotate a set of vectors.

Definition at line 118 of file VectorTransform.h.

Member Function Documentation

void RandomRotationMatrix::reverse_transform	(	idx_t	n,
		const float *	xt,
		float *	x
	)		const

overridevirtual

reverse transformation. May not be implemented or may return approximate result

Definition at line 206 of file VectorTransform.cpp.

The documentation for this struct was generated from the following files: