ode::OdeRosenbrock Class Reference

Base class for Rosenbrock methods. More...

#include <ode_rosenbrock.h>

Inheritance diagram for ode::OdeRosenbrock:

Public Member Functions
	OdeRosenbrock (unsigned long neq, int nk)
	constructs
	~OdeRosenbrock ()
	destructs

Protected Member Functions
void	prep_jac (double **Jac, unsigned long n, double dt, int *p)
	do necessary arithmetic with the Jacobian then lu factor it

Protected Attributes
double	gam
	parameter multipying Jacobian or single diagonal gamma
int *	p_
	permutation array for LU factorization
double *	rhs_
	right hand side of matrix equations
double *	soltemp_
	temporary sol vector
double **	k_
	stage derivatives

Detailed Description

Base class for Rosenbrock methods.

Definition at line 11 of file ode_rosenbrock.h.

Constructor & Destructor Documentation

OdeRosenbrock()

ode::OdeRosenbrock::OdeRosenbrock	(	unsigned long	neq,
		int	nk )

constructs

Parameters

[in]	neq	size of ODE sytem
[in]	nk	number of stages

Definition at line 7 of file ode_rosenbrock.cc.

~OdeRosenbrock()

ode::OdeRosenbrock::~OdeRosenbrock

(

)

destructs

Definition at line 22 of file ode_rosenbrock.cc.

Member Function Documentation

prep_jac()

void ode::OdeRosenbrock::prep_jac ( double ** Jac, unsigned long n, double dt, int * p )

protected

do necessary arithmetic with the Jacobian then lu factor it

Parameters

[in]	n	size of Jacobian
[in]	Jac	Jacobian matrix then LU decomposed Jacobian with modifications for Rosembrock stages
[in]	dt	time step size
[out]	p	permutation array for LU decomposition

Definition at line 30 of file ode_rosenbrock.cc.

Member Data Documentation

gam

double ode::OdeRosenbrock::gam

protected

parameter multipying Jacobian or single diagonal gamma

Definition at line 25 of file ode_rosenbrock.h.

k_

double** ode::OdeRosenbrock::k_

protected

stage derivatives

Definition at line 33 of file ode_rosenbrock.h.

p_

int* ode::OdeRosenbrock::p_

protected

permutation array for LU factorization

Definition at line 27 of file ode_rosenbrock.h.

rhs_

double* ode::OdeRosenbrock::rhs_

protected

right hand side of matrix equations

Definition at line 29 of file ode_rosenbrock.h.

soltemp_

double* ode::OdeRosenbrock::soltemp_

protected

temporary sol vector

Definition at line 31 of file ode_rosenbrock.h.

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

• include/ode/ode_rosenbrock.h
• src/ode_rosenbrock.cc