A class representing an ODE system that is integrated towards stability. More...

#include <stable.h>

Inheritance diagram for stable_ode:

Collaboration diagram for stable_ode:

Public Member Functions
const std::type_info &	vtype () const
double	score ()
virtual std::vector< std::string >	dependencies () const
virtual void	postprocess (input &invals)
virtual std::string	type () const
virtual	~stable_ode ()
Public Member Functions inherited from stable
double	simulate ()
virtual	~stable ()
Public Member Functions inherited from vartype
bool	compare (const vartype *in) const
bool	compare (const vartype &in) const
bool	compare (const std::type_info &tinf)
template<typename T >
bool	compare () const
template<typename T >
bool	compare (const T &in) const
std::string	vname () const
virtual const std::type_info &	vtype_internal () const
bool	compare_internal (const vartype *in) const
bool	compare_internal (const vartype &in) const
bool	compare_internal (const std::type_info &tinf)
template<typename T >
bool	compare_internal () const
template<typename T >
bool	compare_internal (const T &in) const
std::string	vname_internal () const
virtual	~vartype ()

Protected Member Functions
virtual void	pre_integration_operations ()
virtual void	post_integration_operations ()
	This applies operations ofter the integration occurs.
virtual void	iterate_system ()
virtual double	get_change ()

Protected Attributes
std::shared_ptr< stable_ode >	actual
integrator *	inter
	This defines the integrator being used.
Protected Attributes inherited from stable
int	max_iterations
	Maximum number of times the system is iterated before assuming an unstable state.
double	change_threshold
	The threshold of change between two iterations for which the system will be considered stable.
int	num_gone
int	round
int	bad_res
std::shared_ptr< writer >	cur_writer
Protected Attributes inherited from simulation
controller *	cont
	The controller.
objective *	obj
	The objective function.
writer *	cur_writer
Protected Attributes inherited from item_dim
mempool	memp
std::set< item_dim * >	children
item_dim *	parent
size_t	dimension
Protected Attributes inherited from item
std::string	_name
std::string	_write_name
char	has_write_name

Additional Inherited Members
Static Public Member Functions inherited from item
static std::shared_ptr< item >	create (std::string name, engineimp *rval)
Public Attributes inherited from simulation
std::string	out_f_name

Detailed Description

A class representing an ODE system that is integrated towards stability.

This class represents an ODE system that undergoes integration, possibly towards a stable equilibrium. Upon reaching this equilibrium, the integration will cease.

The class tests this by doing multiple sub-integrations, and checking the difference between consecutive solutions. In addition, operators can be applied before and after each integration round.

Note that this class is really a wrapper to a statically typed template class. This allows the system to choose the type at runtime, and generally be ignorant of the variable type of the defined problem.

Definition at line 58 of file stable.h.

Constructor & Destructor Documentation

stable_ode::~stable_ode ( )

virtual

Definition at line 44 of file stable_ode.cpp.

Member Function Documentation

std::vector< std::string > stable_ode::dependencies ( ) const

virtual

Returns the dependencies of the stable_ode class the stable_ode class depends on:

integrator integrator: The integrator that is being used
double int_len: The time to integrate between checking for convergence

And has optional parameters:

double t0: The starting time, defaults to 0

Implements stable.

Reimplemented in jones_optical, stable_spectral_pde_1d_tmpl< T >, and stable_spectral_pde_1d_tmpl< comp >.

Definition at line 72 of file stable_ode.cpp.

Here is the call graph for this function:

double stable_ode::get_change ( )

protectedvirtual

Implements stable.

Reimplemented in jones_optical, stable_ode_tmpl< T >, and stable_ode_tmpl< comp >.

Definition at line 82 of file stable_ode.cpp.

void stable_ode::iterate_system ( )

protectedvirtual

This is the function that iterates the ODE system forwards. It applies the operator pre_integration_operations, then integrates from tcur to tcur+tlen, and then applies the operator post_integration_operations.