tracking::Accum_chi4_self Class Reference

Computes the self part of the susceptibility. More...

#include <accum_chi4_self.h>

Inheritance diagram for tracking::Accum_chi4_self:

Collaboration diagram for tracking::Accum_chi4_self:

Public Member Functions
void	add_particle (const particle *)
	Adds a particle. More...
void	out_to_wrapper (utilities::Generic_wrapper &, const utilities::Md_store &md_store) const
	outputs the result of the computation to the wrapper More...
	Accum_chi4_self (unsigned max_t, float min_l, float max_l, unsigned int l_steps, float(*w)(float, float))
	Constructor. More...
	~Accum_chi4_self ()
void	add_to_chi4 (std::vector< float > &Q_accum, std::vector< float > &Q2_accum, const int time_steps) const
	Add the results of a single plane to compute average over t. More...

Private Member Functions
unsigned int	to_indx (unsigned int a, unsigned int b)
	internal hash function to deal with cord -> index More...

Private Attributes
unsigned int	max_step_
	maximum t step More...
unsigned int	l_steps_
	number of l values to try More...
float	l_step_sz_
	l step size More...
float	l_min_
	l step size More...
float(*	w_ )(float, float)
	w function. More...
std::vector< float >	Q_
	Data vector. More...
std::vector< unsigned int >	count_
	Data vector. More...

Detailed Description

Computes the self part of the susceptibility.

Constructor & Destructor Documentation

Accum_chi4_self::Accum_chi4_self	(	unsigned	max_t,
		float	min_l,
		float	max_l,
		unsigned int	l_steps,
		float(*)(float, float)	w
	)

Constructor.

Accum_chi4_self::~Accum_chi4_self

(

)

Member Function Documentation

void Accum_chi4_self::add_particle ( const particle *  )

virtual

Adds a particle.

The sub class determines what is computed from the particle.

Implements tracking::Accumulator.

References count_, tracking::particle_track::distancesq_corrected(), tracking::particle_track::get_next(), l_min_, l_step_sz_, l_steps_, max_step_, Q_, to_indx(), and w_.

void Accum_chi4_self::add_to_chi4	(	std::vector< float > &	Q_accum,
		std::vector< float > &	Q2_accum,
		const int	time_steps
	)		const

Add the results of a single plane to compute average over t.

References count_, l_steps_, and Q_.

void Accum_chi4_self::out_to_wrapper ( utilities::Generic_wrapper &  , const utilities::Md_store &  md_store  ) const

virtual

outputs the result of the computation to the wrapper

Implements tracking::Accumulator.

References utilities::Generic_wrapper::add_dset(), base_name, utilities::Generic_wrapper::close_wrapper(), utilities::Md_store::contains_key(), count_, utilities::format_name(), utilities::Md_store::get_value(), utilities::Generic_wrapper::is_open(), l_steps_, max_step_, utilities::Generic_wrapper::open_group(), utilities::Generic_wrapper::open_wrapper(), Q_, utilities::V_FLOAT, and utilities::V_UINT.

unsigned int tracking::Accum_chi4_self::to_indx ( unsigned int  a, unsigned int  b  )

inlineprivate

internal hash function to deal with cord -> index

References l_steps_.

Referenced by add_particle().

Member Data Documentation

std::vector<unsigned int> tracking::Accum_chi4_self::count_

private

Data vector.

Referenced by add_particle(), add_to_chi4(), and out_to_wrapper().

float tracking::Accum_chi4_self::l_min_

private

l step size

Referenced by add_particle().

float tracking::Accum_chi4_self::l_step_sz_

private

l step size

Referenced by add_particle().

unsigned int tracking::Accum_chi4_self::l_steps_

private

number of l values to try

Referenced by add_particle(), add_to_chi4(), out_to_wrapper(), and to_indx().

unsigned int tracking::Accum_chi4_self::max_step_

private

maximum t step

Referenced by add_particle(), and out_to_wrapper().

std::vector<float> tracking::Accum_chi4_self::Q_

private

Data vector.

Referenced by add_particle(), add_to_chi4(), and out_to_wrapper().

float(* tracking::Accum_chi4_self::w_)(float, float)

private

w function.

See: J. Chem. Phys., Vol. 119, No. 14, 8 October 2003

A.R. Abate and D.J. Durian. (2007). Topological persistence and dynamical heterogeneities near jamming. Physical Review E 76, 021306.

PRL 95, 265701 (2005)

260 nature physics VOL 3 APRIL 2007 www.nature.com/naturephysics

Referenced by add_particle().

---

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

• common_src/include/accum_chi4_self.h
• common_src/cxx/accum_chi4_self.cpp