Integrator Class Reference

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 or reset the number of equations. 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 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	setIterator (IterType t)
	Set the linear iterator. 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)
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 ( )

inline

Default Constructor.

Definition at line 56 of file Integrator.h.

virtual ~Integrator ( )

inlinevirtual

Destructor.

Definition at line 60 of file Integrator.h.

Member Function Documentation

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

inlinevirtual

Set or reset the number of equations.

Set error tolerances.

Parameters

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

Reimplemented in BEulerInt, CVodesIntegrator, and CVodeInt.

Definition at line 72 of file Integrator.h.

Referenced by ImplicitSurfChem::initialize(), and ReactorNet::initialize().

virtual void setTolerances ( doublereal  reltol, doublereal  abstol  )

inlinevirtual

Set error tolerances.

Parameters

reltol	scalar relative tolerance
abstol	scalar absolute tolerance

Reimplemented in BEulerInt, CVodesIntegrator, and CVodeInt.

Definition at line 82 of file Integrator.h.

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 91 of file Integrator.h.

Referenced by ReactorNet::initialize().

virtual void setProblemType ( int  probtype )

inlinevirtual

Set the problem type.

Parameters

probtype

Type of the problem

Reimplemented in BEulerInt, CVodesIntegrator, and CVodeInt.

Definition at line 98 of file Integrator.h.

Referenced by ImplicitSurfChem::ImplicitSurfChem().

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, and CVodeInt.

Definition at line 108 of file Integrator.h.

Referenced by ImplicitSurfChem::initialize(), ReactorNet::initialize(), and ImplicitSurfChem::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, and CVodeInt.

Definition at line 121 of file Integrator.h.

Referenced by ReactorNet::advance(), ImplicitSurfChem::integrate(), and ImplicitSurfChem::integrate0().

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 BEulerInt, CVodesIntegrator, and CVodeInt.

Definition at line 130 of file Integrator.h.

Referenced by ReactorNet::step().

virtual doublereal& solution ( size_t  k )

inlinevirtual

The current value of the solution of equation k.

Reimplemented in BEulerInt, CVodesIntegrator, and CVodeInt.

Definition at line 136 of file Integrator.h.

Referenced by ReactorNet::advance(), ImplicitSurfChem::integrate(), ImplicitSurfChem::integrate0(), ReactorNet::sensitivity(), and ReactorNet::step().

virtual doublereal* solution ( )

inlinevirtual

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

Reimplemented in BEulerInt, CVodesIntegrator, and CVodeInt.

Definition at line 142 of file Integrator.h.

virtual int nEquations ( ) const

inlinevirtual

The number of equations.

Reimplemented in BEulerInt, CVodesIntegrator, and CVodeInt.

Definition at line 148 of file Integrator.h.

virtual int nEvals ( ) const

inlinevirtual

The number of function evaluations.

Reimplemented in BEulerInt, CVodesIntegrator, and CVodeInt.

Definition at line 154 of file Integrator.h.

virtual void setMaxOrder ( int  n )

inlinevirtual

Set the maximum integration order that will be used.

Reimplemented in CVodesIntegrator, and CVodeInt.

Definition at line 160 of file Integrator.h.

virtual void setMethod ( MethodType  t )

inlinevirtual

Set the solution method.

Reimplemented in CVodesIntegrator, and CVodeInt.

Definition at line 165 of file Integrator.h.

Referenced by ImplicitSurfChem::ImplicitSurfChem().

virtual void setIterator ( IterType  t )

inlinevirtual

Set the linear iterator.

Reimplemented in BEulerInt, CVodesIntegrator, and CVodeInt.

Definition at line 170 of file Integrator.h.

Referenced by ImplicitSurfChem::ImplicitSurfChem().

virtual void setMaxStepSize ( double  hmax )

inlinevirtual

Set the maximum step size.

Reimplemented in CVodesIntegrator, and CVodeInt.

Definition at line 175 of file Integrator.h.

Referenced by ReactorNet::initialize(), and ImplicitSurfChem::integrate().

virtual void setMinStepSize ( double  hmin )

inlinevirtual

Set the minimum step size.

Reimplemented in CVodesIntegrator, and CVodeInt.

Definition at line 180 of file Integrator.h.

virtual void setMaxErrTestFails ( int  n )

inlinevirtual

Set the maximum permissible number of error test failures.

Reimplemented in CVodesIntegrator, and CVodeInt.

Definition at line 185 of file Integrator.h.

Referenced by ReactorNet::initialize().

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

• Integrator.h