TPermutation Class Reference

Describes permutation of index sets.

#include <TPermutation.hh>

Inheritance diagram for TPermutation:

Public Member Functions
	TPermutation (const size_t asize=0)
	construct permutation of size asize
	TPermutation (const std::vector< idx_t > &perm)
	construct permutation with data defined by array perm
	TPermutation (const TPermutation &perm)
	copy ctor
virtual	~TPermutation ()
	dtor
idx_t	permute (const idx_t idx) const
	permute given index
void	permute (const TVector *x, TVector *y) const
	reorder given vector x and write result to y
void	permute_inv (const TVector *x, TVector *y) const
	use inverse permutation to reorder given vector x and write result to y
void	permute (TVector *x) const
	permute given vector \x inplace
void	permute_inv (TVector *x) const
	apply inverse permutation to given vector \x
void	invert ()
	invert permutation
TPermutation	inverse ()
	return inverse permutation
virtual void	read (TByteStream &s)
	read object data from bytestream s
virtual void	write (TByteStream &s) const
	write object data to bytestream s
virtual size_t	bs_size () const
	returns size of object in bytestream
TPermutation &	operator= (const TPermutation &perm)
	copy operator
TPermutation &	operator= (const std::vector< idx_t > &perm)
	copy operator for vector
virtual size_t	byte_size () const
	return size in bytes used by this object