denseConstMetric Class Reference

#include <denseConstMetric.h>

Inheritance diagram for denseConstMetric:

List of all members.

Public Member Functions
	denseConstMetric (int dim, MatrixXd &massInv)
double	T ()
	Return the kinetic energy.
void	evolveQ (const double epsilon)
	Evolve the position through some time epsilon.
void	bounceP (const VectorXd &normal)
void	sampleP (Random &random)
void	setInvMass (MatrixXd &massInv)
	Set the inverse mass matrix and recompute the Cholesky decomposition.
Protected Attributes
MatrixXd	mMassInv
	Inverse mass matrix.
LLT< MatrixXd >	mMassL
	Cholesky factorization of mass matrix.

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Detailed Description

Author:

Michael Betancourt

Abstract base class defining the interface for a Hamiltonian with quadratic kinetic energy defined on a Euclidean manifold with dense metric.

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Constructor & Destructor Documentation

denseConstMetric::denseConstMetric	(	int	dim,
		MatrixXd &	massInv
	)		[explicit]

Constructor

Parameters:

dim	Dimension of the target space
massInv	Euclidean metric

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Member Function Documentation

void denseConstMetric::bounceP

(

const VectorXd &

normal

)

[virtual]

Evolve the momentum through a bounce off of a constraint surface

Parameters:

normal

Vector normal to constraint surface

Implements baseHamiltonian.

void denseConstMetric::sampleP

(

Random &

random

)

[virtual]

Sample the momentum from the conditional distribution

Parameters:

random

External RandomLib generator

Implements baseHamiltonian.

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

• base/denseConstMetric.h
• base/denseConstMetric.cpp