Helper to variationally truncate a T3NS. More...

#include <var_trunc.h>

Collaboration diagram for syten::T3N::VarationalTrunc:

Classes
struct	Position
	Positions of different objects. More...

Public Member Functions
SRDef	run ()
	Does the truncation and returns the error. More...

	VarationalTrunc (State &psi, Truncation const &trunc, State::DropNorm const dropN)
	Constructor. More...

Private Types
typedef syten::T3N::Tree::Tree< AsyncCached< STensor > >	Contraction
	Containing the contractions. More...

Private Member Functions
void	build_branchDescendantContr (LegType const direction)
	Computes contraction towards direction. More...

void	build_branchRootContr ()
	Branching contraction. More...

void	build_descendantContr (LegType const direction)
	Computes decendant contraction for given node. More...

void	build_leftContr ()
	Physical contraction. More...

void	build_physContr (LegType const comp)
	Physical contraction. More...

void	build_rightContr ()
	Physical contraction. More...

void	build_rootContr ()
	Computes root contraction for given node. More...

void	init_contr_rec ()
	Inititialises contractions tree to root node. More...

void	update_2phys_branch_down ()
	Updates two physical nodes with a branching node in between. More...

void	update_2phys_branch_right ()
	Updates two physical nodes with a branching node in between. More...

void	update_2phys_branch_up ()
	Updates two physical nodes with a branching node in between. More...

void	update_2phys_down ()
	Updates two neighbouring physical nodes. More...

void	update_2phys_up ()
	Updates two neighbouring physical nodes. More...

void	update_branching (LegType const direction)
	Does not update but only normalises network. More...

void	update_node (LegType const direction)
	Updates the current node into the given direction. More...

void	update_physical (LegType const direction)
	Calls necessary functions. More...

void	update_rec ()
	Initialises recursive updating. More...

Private Attributes
Contraction	contr
	The actual contractions. More...

bool const	do_cache
	Will cache if this is true. More...

State::DropNorm const	drop
	Drops norm. More...

SRDef const	initial_norm
	Initial norm. More...

State const	input
	Compressed state. More...

Position	position
	Current position. More...

State &	state
	The state to be truncated. More...

Truncation	trunc
	Truncation. More...

SRDef	trunc_err = 0.
	Truncation error during sweep. More...

Detailed Description

Helper to variationally truncate a T3NS.

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

Classes