core/vpdl/vpdt/vpdt_log_probability.h File Reference

The basic functions for log of probability calculation. More...

#include <vpdl/vpdt/vpdt_dist_traits.h>
#include <vnl/vnl_math.h>
#include <vcl_limits.h>

Go to the source code of this file.

Functions
template<class dist >
vpdt_dist_traits< dist > ::scalar_type	vpdt_log_density (const dist &d, const typename vpdt_dist_traits< dist >::field_type &pt)
	Compute the log of the unnormalized density.
template<class dist >
vpdt_dist_traits< dist > ::scalar_type	vpdt_log_prob_density (const dist &d, const typename vpdt_dist_traits< dist >::field_type &pt)
	Compute the log of the normalized probability density.
template<class dist >
vpdt_dist_traits< dist > ::scalar_type	vpdt_gradient_log_density (const dist &d, const typename vpdt_dist_traits< dist >::field_type &pt, const typename vpdt_dist_traits< dist >::vector_type &g)
	Compute the gradient of the log of the unnormalized density.

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Detailed Description

The basic functions for log of probability calculation.

Author:

Matthew Leotta

Date:

March 13, 2009

These functions provide default implementations for various log of probability calculation functions. They are written in terms of distribution member functions

    Modifications
     None
   

Definition in file vpdt_log_probability.h.

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Function Documentation

template<class dist >

vpdt_dist_traits<dist>::scalar_type vpdt_gradient_log_density	(	const dist &	d,
		const typename vpdt_dist_traits< dist >::field_type &	pt,
		const typename vpdt_dist_traits< dist >::vector_type &	g
	)		[inline]

Compute the gradient of the log of the unnormalized density.

Definition at line 56 of file vpdt_log_probability.h.

template<class dist >

vpdt_dist_traits<dist>::scalar_type vpdt_log_density	(	const dist &	d,
		const typename vpdt_dist_traits< dist >::field_type &	pt
	)		[inline]

Compute the log of the unnormalized density.

Definition at line 26 of file vpdt_log_probability.h.

template<class dist >

vpdt_dist_traits<dist>::scalar_type vpdt_log_prob_density	(	const dist &	d,
		const typename vpdt_dist_traits< dist >::field_type &	pt
	)		[inline]

Compute the log of the normalized probability density.

Definition at line 41 of file vpdt_log_probability.h.