#include <ODEVarStepIntegrator.hpp>

类 ast::ODEVarStepIntegrator 继承关系图:

Public 成员函数
errc_t	integrate (ODE &ode, double *y, double &t, double tf) final

errc_t	integrateStep (ODE &ode, double *y, double &t, double tf) final

void	setMaxAbsErr (double maxAbsErr)

void	setMaxRelErr (double maxRelErr)

void	setMaxIterations (int maxIterations)

int	getMaxIterations () const

void	setMaxStepSize (double maxStepSize)

double	getMaxStepSize () const

void	setMinStepSize (double minStepSize)

double	getMinStepSize () const

void	setSafetyCoeffLow (double safetyCoeffLow)

double	getSafetyCoeffLow () const

void	setSafetyCoeffHigh (double safetyCoeffHigh)

double	getSafetyCoeffHigh () const

void	setUseMinStep (bool useMinStep)

bool	getUseMinStep () const

void	setUseMaxStep (bool useMaxStep)

bool	getUseMaxStep () const

void	setInitialStepSize (double initialStepSize)

double	getLargestStepSize () const

double	getSmallestStepSize () const

errc_t	integrate (ODE &ode, double *y, double &t, double tf, std::vector< double > &xlist, std::vector< std::vector< double > > &ylist)

template<typename Func >
errc_t	integrate (int ndim, Func func, double *y, double &t, double tf)

int	getNumSteps () const

Public 成员函数继承自 ast::ODEFixedStepIntegrator
	AST_OBJECT (ODEFixedStepIntegrator)

double	getStepSize () const

void	setStepSize (double stepSize)

int	getNumSteps () const

const Workspace &	getWorkspace () const

Workspace &	getWorkspace ()

errc_t	integrate (ODE &ode, double *y, double &t, double tf, std::vector< double > &xlist, std::vector< std::vector< double > > &ylist)

template<typename Func >
errc_t	integrate (int ndim, Func func, double *y, double &t, double tf)

Public 成员函数继承自 ast::ODEIntegrator
errc_t	initialize (ODE &ode) override

errc_t	integrate (ODE &ode, double *y, double &t, double tf, std::vector< double > &xlist, std::vector< std::vector< double > > &ylist)

template<typename Func >
errc_t	integrate (int ndim, Func func, double *y, double &t, double tf)

void	addEventDetector (ODEEventDetector *detector)

template<typename Func >
std::enable_if<!std::is_base_of< ODEEventDetector, typenamestd::remove_pointer< Func >::type >::value, ODEEventDetector * >::type	addEventDetector (Func func)

void	removeEventDetector (ODEEventDetector *detector)

void	clearEventDetectors ()

void	addStateObserver (ODEStateObserver *observer)

template<typename Func >
std::enable_if<!std::is_base_of< ODEStateObserver, typenamestd::remove_pointer< Func >::type >::value, ODEStateObserver * >::type	addStateObserver (Func func)

void	removeStateObserver (ODEStateObserver *observer)

ODE *	getODE ()

double *	stateAtStepStart ()

double *	stateAtStepEnd ()

double &	timeAtStepStart ()

double &	timeAtStepEnd ()

double *	stateTemp ()

Public 成员函数继承自 ast::IODEIntegrator
virtual errc_t	singleStep (ODE &ode, double *y, double t0, double step)=0

Public 成员函数继承自 ast::ObjectNamed
	ObjectNamed ()=default

	ObjectNamed (StringView name)

const std::string &	getName () const override

void	setName (StringView name) override

Public 成员函数继承自 ast::Object
	Object (Object *parentScope)

	Object (std::nullptr_t)

	Object (initial_strong_ref_t)

virtual Class *	getType () const

virtual std::string	getRepresentation () const

const std::string &	name () const

errc_t	showEditDialog ()

Attribute	attr (StringView path)

errc_t	getAttrBool (StringView path, bool &value) const

errc_t	getAttrInt (StringView path, int &value) const

errc_t	getAttrDouble (StringView path, double &value) const

errc_t	getAttrString (StringView path, std::string &value) const

errc_t	getAttrObject (StringView path, Object *&value) const

double	getAttrDouble (StringView path) const

int	getAttrInt (StringView path) const

bool	getAttrBool (StringView path) const

std::string	getAttrString (StringView path) const

Object *	getAttrObject (StringView path) const

errc_t	setAttrBool (StringView path, bool value)

errc_t	setAttrInt (StringView path, int value)

errc_t	setAttrDouble (StringView path, double value)

errc_t	setAttrString (StringView path, StringView value)

errc_t	setAttrObject (StringView path, Object *value)

Class *	type () const

const std::string &	typeName () const

Property *	getProperty (StringView fieldName) const

ObjectId	getID () const

errc_t	setParentScope (Object *parentScope)

Object *	getParentScope () const

bool	isOfType (const Class *type) const

bool	isOfType (StringView typeName) const

template<typename T >
bool	isOfType () const

uint32_t	refCount () const

uint32_t	weakRefCount () const

bool	isDestructed () const

void	destruct ()

uint32_t	incWeakRef ()

uint32_t	decWeakRef ()

uint32_t	incRef ()

uint32_t	decRef ()

uint32_t	decRefNoDelete ()

template<typename Func >
void	addDelayedLink (Func &&link)

template<typename Func >
void	addDelayedLinkIfFailed (Func &&link)

void	resolveLinks ()

Protected 成员函数
bool	isErrorMeet (double &absh, const double y, const double ynew)

Protected 成员函数继承自 ast::ODEFixedStepIntegrator
void	resetWorkspace (int dimension, int stage)

Protected 成员函数继承自 ast::ODEIntegrator
void	initWorkStateObserver ()

	A_DISABLE_COPY (ODEIntegrator)

Protected 成员函数继承自 ast::Object
	Object (const Object &obj)

Object &	operator= (const Object &)

Protected 属性
AST_PROPERTIES	: bool useMinStep_

bool	useMaxStep_

bool	warnOnMinStep_

int	maxStepAttempts_

double	minStepSize_

double	maxStepSize_

double	maxAbsErr_

double	maxRelErr_

double	minStepScaleFactor_

double	maxStepScaleFactor_

double	safetyCoeffLow_

double	safetyCoeffHigh_

double	errCtrPowthLow_

double	errCtrPowthHigh_

Protected 属性继承自 ast::ODEIntegrator
ODE *	ode_ {nullptr}

ODEStateObserver *	workStateObserver_ {nullptr}

ODEEventDetectorList	eventDetectorList_

ODEStateObserverList	stateObserverList_

ODEInnerStateObserver *	innerStateObserver_ {nullptr}

double *	stateAtStepStart_ {nullptr}

double *	stateAtStepEnd_ {nullptr}

double *	stateTemp_ {nullptr}

double	timeAtStepStart_ {0.0}

double	timeAtStepEnd_ {0.0}

额外继承的成员函数
静态 Public 成员函数继承自 ast::Object
static Object *	Resolve (StringView value)

static void	ClassInit (Class *cls)

static Class *	StaticType ()

静态 Public 属性继承自 ast::Object
static Class	staticType

详细描述

可变步长积分器

可变步长积分器每步积分的步长自适应调整，以达到目标误差。

成员函数说明

◆ integrate() [1/3]

template<typename Func >

errc_t ast::ODEIntegrator::integrate	(	int	ndim,
		Func	func,
		double *	y,
		double &	t,
		double	tf )

inline

积分ODE

积分ODE，将积分结果存储在y和t中

参数

[in]	ndim	ODE的维度
[in]	func	常微分方程
[in,out]	y	状态向量
[in,out]	t	当前时间
[in]	tf	最终时间

◆ integrate() [2/3]

errc_t ast::ODEVarStepIntegrator::integrate	(	ODE &	ode,
		double *	y,
		double &	t,
		double	tf )

finalvirtual

参见: ODEIntegrator

重载 ast::ODEFixedStepIntegrator .

◆ integrate() [3/3]

errc_t ast::ODEIntegrator::integrate	(	ODE &	ode,
		double *	y,
		double &	t,
		double	tf,
		std::vector< double > &	xlist,
		std::vector< std::vector< double > > &	ylist )

积分ODE

积分ODE，将积分结果存储在y中同时将时间点和状态向量存储在xlist和ylist中

参数

[in]	ode	常微分方程对象
[in,out]	y	状态向量
[in,out]	t	当前时间
[in]	tf	最终时间
[out]	xlist	时间点列表
[out]	ylist	状态向量列表

◆ integrateStep()

errc_t ast::ODEVarStepIntegrator::integrateStep	(	ODE &	ode,
		double *	y,
		double &	t,
		double	tf )

finalvirtual

参见: ODEIntegrator

重载 ast::ODEFixedStepIntegrator .

◆ isErrorMeet()

bool ast::ODEVarStepIntegrator::isErrorMeet	(	double &	absh,
		const double *	y,
		const double *	ynew )

protected

判断是否满足误差要求

参数

absh	绝对步长
y	当前状态向量
ynew	新状态向量

返回: 是否满足误差要求

◆ setInitialStepSize()

void ast::ODEVarStepIntegrator::setInitialStepSize ( double initialStepSize )

inline

设置是否使用固定步长

设置初始步长

该类的文档由以下文件生成:

src/AstMath/ODE/ODEVarStepIntegrator.hpp
src/AstMath/ODE/ODEVarStepIntegrator.cpp

Public 成员函数

Protected 成员函数

Protected 属性

额外继承的成员函数

详细描述

成员函数说明

◆ integrate() [1/3]

◆ integrate() [2/3]

◆ integrate() [3/3]

◆ integrateStep()

◆ isErrorMeet()

◆ setInitialStepSize()