#include <RKF78.hpp>

类 ast::RKF78 继承关系图:

Public 成员函数
errc_t	initialize (ODE &ode) final

errc_t	singleStep (ODE &ode, double *y, double t0, double step) final

Public 成员函数继承自 ast::ODEVarStepIntegrator
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	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
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	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	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

额外继承的成员函数
Protected 成员函数继承自 ast::ODEVarStepIntegrator
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 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}

详细描述

RKF78 积分器

参考文献：Classical Fifth-, Sixth-, Seventh-, and Eighth-Order Runge-Kutta Formulas with Stepsize Control

成员函数说明

◆ initialize()

errc_t ast::RKF78::initialize ( ODE & ode )

finalvirtual

初始化积分器

初始化积分器，设置ODE的维度和步长等参数

参数

ode 常微分方程对象

重载 ast::ODEIntegrator .

◆ singleStep()

errc_t ast::RKF78::singleStep	(	ODE &	ode,
		double *	y,
		double	t0,
		double	step )

finalvirtual

执行一步积分

参数

	ode	常微分方程对象
[in,out]	y	状态向量
	t0	当前时间
	step	时间步长

实现了 ast::IODEIntegrator.

该类的文档由以下文件生成:

src/AstMath/ODE/Impl/RKF78.hpp
src/AstMath/ODE/Impl/RKF78.cpp

Public 成员函数

额外继承的成员函数

详细描述

成员函数说明

◆ initialize()

◆ singleStep()