Abstract base class for ODE system integrators. More...

#include <Integrator.h>

Inheritance diagram for Integrator:

Public Member Functions
	Integrator ()
	Default Constructor. More...

virtual	~Integrator ()
	Destructor. More...

virtual void	setTolerances (doublereal reltol, size_t n, doublereal *abstol)
	Set error tolerances. More...

virtual void	setTolerances (doublereal reltol, doublereal abstol)
	Set error tolerances. More...

virtual void	setSensitivityTolerances (doublereal reltol, doublereal abstol)
	Set the sensitivity error tolerances. More...

virtual void	setProblemType (int probtype)
	Set the problem type. More...

virtual void	initialize (doublereal t0, FuncEval &func)
	Initialize the integrator for a new problem. More...

virtual void	reinitialize (doublereal t0, FuncEval &func)

virtual void	integrate (doublereal tout)
	Integrate the system of equations. More...

virtual doublereal	step (doublereal tout)
	Integrate the system of equations. More...

virtual doublereal &	solution (size_t k)
	The current value of the solution of equation k. More...

virtual doublereal *	solution ()
	The current value of the solution of the system of equations. More...

virtual double *	derivative (double tout, int n)
	n-th derivative of the output function at time tout. More...

virtual int	lastOrder () const
	Order used during the last solution step. More...

virtual int	nEquations () const
	The number of equations. More...

virtual int	nEvals () const
	The number of function evaluations. More...

virtual void	setMaxOrder (int n)
	Set the maximum integration order that will be used. More...

virtual void	setMethod (MethodType t)
	Set the solution method. More...

virtual void	setMaxStepSize (double hmax)
	Set the maximum step size. More...

virtual void	setMinStepSize (double hmin)
	Set the minimum step size. More...

virtual void	setMaxErrTestFails (int n)
	Set the maximum permissible number of error test failures. More...

virtual void	setMaxSteps (int nmax)
	Set the maximum number of time-steps the integrator can take before reaching the next output time. More...

virtual int	maxSteps ()
	Returns the maximum number of time-steps the integrator can take before reaching the next output time. More...

virtual void	setBandwidth (int N_Upper, int N_Lower)

virtual int	nSensParams ()

virtual double	sensitivity (size_t k, size_t p)

Private Member Functions
void	warn (const std::string &msg) const

Private Attributes
doublereal	m_dummy

Detailed Description

Abstract base class for ODE system integrators.

Definition at line 52 of file Integrator.h.

Constructor & Destructor Documentation

◆ Integrator()

Integrator ( )

inline

Default Constructor.

Definition at line 56 of file Integrator.h.

◆ ~Integrator()

virtual ~Integrator ( )

inlinevirtual

Destructor.

Definition at line 60 of file Integrator.h.

Member Function Documentation

◆ setTolerances() [1/2]

virtual void setTolerances	(	doublereal	reltol,
		size_t	n,
		doublereal *	abstol
	)

inlinevirtual

Set error tolerances.

Parameters

reltol	scalar relative tolerance
n	Number of equations
abstol	array of N absolute tolerance values

Reimplemented in CVodesIntegrator.

Definition at line 69 of file Integrator.h.

◆ setTolerances() [2/2]

virtual void setTolerances	(	doublereal	reltol,
		doublereal	abstol
	)

inlinevirtual

Set error tolerances.

Parameters

reltol	scalar relative tolerance
abstol	scalar absolute tolerance

Reimplemented in CVodesIntegrator.

Definition at line 79 of file Integrator.h.

◆ setSensitivityTolerances()

virtual void setSensitivityTolerances	(	doublereal	reltol,
		doublereal	abstol
	)

inlinevirtual

Set the sensitivity error tolerances.

Parameters

reltol	scalar relative tolerance
abstol	scalar absolute tolerance

Reimplemented in CVodesIntegrator.

Definition at line 88 of file Integrator.h.

◆ setProblemType()

virtual void setProblemType ( int probtype )

inlinevirtual

Set the problem type.

Parameters

probtype Type of the problem

Reimplemented in CVodesIntegrator.

Definition at line 95 of file Integrator.h.

◆ initialize()

virtual void initialize	(	doublereal	t0,
		FuncEval &	func
	)

inlinevirtual

Initialize the integrator for a new problem.

Call after all options have been set.

Parameters

t0	initial time
func	RHS evaluator object for system of equations.

Reimplemented in CVodesIntegrator.

Definition at line 105 of file Integrator.h.

◆ reinitialize()

virtual void reinitialize	(	doublereal	t0,
		FuncEval &	func
	)

inlinevirtual

Definition at line 109 of file Integrator.h.

◆ integrate()

virtual void integrate ( doublereal tout )

inlinevirtual

Integrate the system of equations.

Parameters

tout	Integrate to this time. Note that this is the absolute time value, not a time interval.

Reimplemented in CVodesIntegrator.

Definition at line 118 of file Integrator.h.

◆ step()

virtual doublereal step ( doublereal tout )

inlinevirtual

Integrate the system of equations.

Parameters

tout	integrate to this time. Note that this is the absolute time value, not a time interval.

Reimplemented in CVodesIntegrator.

Definition at line 127 of file Integrator.h.

◆ solution() [1/2]

virtual doublereal & solution ( size_t k )

inlinevirtual

The current value of the solution of equation k.

Reimplemented in CVodesIntegrator.

Definition at line 133 of file Integrator.h.

◆ solution() [2/2]

virtual doublereal * solution ( )

inlinevirtual

The current value of the solution of the system of equations.

Reimplemented in CVodesIntegrator.

Definition at line 139 of file Integrator.h.

◆ derivative()

virtual double * derivative	(	double	tout,
		int	n
	)

inlinevirtual

n-th derivative of the output function at time tout.

Reimplemented in CVodesIntegrator.

Definition at line 145 of file Integrator.h.

◆ lastOrder()

virtual int lastOrder ( ) const

inlinevirtual

Order used during the last solution step.

Reimplemented in CVodesIntegrator.

Definition at line 151 of file Integrator.h.

◆ nEquations()

virtual int nEquations ( ) const

inlinevirtual

The number of equations.

Reimplemented in CVodesIntegrator.

Definition at line 157 of file Integrator.h.

◆ nEvals()

virtual int nEvals ( ) const

inlinevirtual

The number of function evaluations.

Reimplemented in CVodesIntegrator.

Definition at line 163 of file Integrator.h.

◆ setMaxOrder()

virtual void setMaxOrder ( int n )

inlinevirtual

Set the maximum integration order that will be used.

Reimplemented in CVodesIntegrator.

Definition at line 169 of file Integrator.h.

◆ setMethod()

virtual void setMethod ( MethodType t )

inlinevirtual

Set the solution method.

Reimplemented in CVodesIntegrator.

Definition at line 174 of file Integrator.h.

◆ setMaxStepSize()

virtual void setMaxStepSize ( double hmax )

inlinevirtual

Set the maximum step size.

Reimplemented in CVodesIntegrator.

Definition at line 179 of file Integrator.h.

◆ setMinStepSize()

virtual void setMinStepSize ( double hmin )

inlinevirtual

Set the minimum step size.

Reimplemented in CVodesIntegrator.

Definition at line 184 of file Integrator.h.

◆ setMaxErrTestFails()

virtual void setMaxErrTestFails ( int n )

inlinevirtual

Set the maximum permissible number of error test failures.

Reimplemented in CVodesIntegrator.

Definition at line 189 of file Integrator.h.

◆ setMaxSteps()

virtual void setMaxSteps ( int nmax )

inlinevirtual

Set the maximum number of time-steps the integrator can take before reaching the next output time.

Parameters

nmax	The maximum number of steps, setting this value to zero disables this option.

Reimplemented in CVodesIntegrator.

Definition at line 197 of file Integrator.h.

◆ maxSteps()

virtual int maxSteps ( )

inlinevirtual

Returns the maximum number of time-steps the integrator can take before reaching the next output time.

Reimplemented in CVodesIntegrator.

Definition at line 203 of file Integrator.h.

◆ setBandwidth()

virtual void setBandwidth	(	int	N_Upper,
		int	N_Lower
	)

inlinevirtual

Definition at line 208 of file Integrator.h.

◆ nSensParams()

virtual int nSensParams ( )

inlinevirtual

Definition at line 212 of file Integrator.h.

◆ sensitivity()

virtual double sensitivity	(	size_t	k,
		size_t	p
	)

inlinevirtual

Definition at line 217 of file Integrator.h.

◆ warn()

void warn ( const std::string & msg ) const

inlineprivate

Definition at line 224 of file Integrator.h.

Member Data Documentation

◆ m_dummy

doublereal m_dummy

private

Definition at line 223 of file Integrator.h.

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

Integrator.h

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Integrator()

◆ ~Integrator()

Member Function Documentation

◆ setTolerances() [1/2]

◆ setTolerances() [2/2]

◆ setSensitivityTolerances()

◆ setProblemType()

◆ initialize()

◆ reinitialize()

◆ integrate()

◆ step()

◆ solution() [1/2]

◆ solution() [2/2]

◆ derivative()

◆ lastOrder()

◆ nEquations()

◆ nEvals()

◆ setMaxOrder()

◆ setMethod()

◆ setMaxStepSize()

◆ setMinStepSize()

◆ setMaxErrTestFails()

◆ setMaxSteps()

◆ maxSteps()

◆ setBandwidth()

◆ nSensParams()

◆ sensitivity()

◆ warn()

Member Data Documentation

◆ m_dummy