QUESO::ConcatenatedVectorRealizer< V, M > Class Template Reference

A class for handling sampling from concatenated probability density distributions. More...

#include <ConcatenatedVectorRealizer.h>

Inheritance diagram for QUESO::ConcatenatedVectorRealizer< V, M >:

Collaboration diagram for QUESO::ConcatenatedVectorRealizer< V, M >:

Public Member Functions
Constructor/Destructor methods
	ConcatenatedVectorRealizer (const char *prefix, const BaseVectorRealizer< V, M > &realizer1, const BaseVectorRealizer< V, M > &realizer2, const VectorSet< V, M > &unifiedImageSet)
	Constructor. More...
	ConcatenatedVectorRealizer (const char *prefix, const std::vector< const BaseVectorRealizer< V, M > * > &realizers, unsigned int minPeriod, const VectorSet< V, M > &unifiedImageSet)
	Constructor. More...
	~ConcatenatedVectorRealizer ()
	Destructor. More...
Realization-related methods
void	realization (V &nextValues) const
	Performs a realization (sample) from a probability density function. See template specialization. More...
Public Member Functions inherited from QUESO::BaseVectorRealizer< V, M >
	BaseVectorRealizer (const char *prefix, const VectorSet< V, M > &unifiedImageSet, unsigned int subPeriod)
	Default constructor. More...
virtual	~BaseVectorRealizer ()
	Virtual destructor. More...
const VectorSet< V, M > &	unifiedImageSet () const
	Image set where the realizations lie. Access to protected attribute m_unifiedImageSet. More...
unsigned int	subPeriod () const
	Sub-period of the realization. Access to protected attribute m_subPeriod. More...

Private Attributes
std::vector< const BaseVectorRealizer< V, M > * >	m_realizers

Additional Inherited Members
Protected Attributes inherited from QUESO::BaseVectorRealizer< V, M >
const BaseEnvironment &	m_env
std::string	m_prefix
const VectorSet< V, M > &	m_unifiedImageSet
unsigned int	m_subPeriod

Detailed Description

template<class V = GslVector, class M = GslMatrix>
class QUESO::ConcatenatedVectorRealizer< V, M >

A class for handling sampling from concatenated probability density distributions.

This class allows the user draw samples from concatenated probability density distributions (two or more distinct probability distributions has(ve) been concatenated into one single vector RV). This class used, for instance, to draw realization of concatenate priors from two or more RVs, where one of them has a uniform distribution whereas the other one(s) has a Gaussian distribution.

Definition at line 51 of file ConcatenatedVectorRealizer.h.

Constructor & Destructor Documentation

template<class V , class M >

QUESO::ConcatenatedVectorRealizer< V, M >::ConcatenatedVectorRealizer	(	const char *	prefix,
		const BaseVectorRealizer< V, M > &	realizer1,
		const BaseVectorRealizer< V, M > &	realizer2,
		const VectorSet< V, M > &	unifiedImageSet
	)

Constructor.

Concatenates two RVs: rv1 and rv2 into one vector RV, given a prefix and the image set of the vector RV.

Definition at line 33 of file ConcatenatedVectorRealizer.C.

References QUESO::BaseEnvironment::displayVerbosity(), QUESO::BaseVectorRealizer< V, M >::m_env, QUESO::BaseVectorRealizer< V, M >::m_prefix, QUESO::ConcatenatedVectorRealizer< V, M >::m_realizers, and QUESO::BaseEnvironment::subDisplayFile().

  :
  BaseVectorRealizer<V,M>( ((std::string)(prefix)+"gen").c_str(),unifiedImageSet,std::min(realizer1.subPeriod(),realizer2.subPeriod()) ), // 2011/Oct/02
  m_realizers(2,(const BaseVectorRealizer<V,M>*) NULL)
{
  if ((m_env.subDisplayFile()) && (m_env.displayVerbosity() >= 5)) {
    *m_env.subDisplayFile() << "Entering ConcatenatedVectorRealizer<V,M>::constructor()"
                            << ": prefix = " << m_prefix
                            << std::endl;
  }

  m_realizers[0] = &realizer1;
  m_realizers[1] = &realizer2;

  if ((m_env.subDisplayFile()) && (m_env.displayVerbosity() >= 5)) {
    *m_env.subDisplayFile() << "Leaving ConcatenatedVectorRealizer<V,M>::constructor()"
                            << ": prefix = " << m_prefix
                            << std::endl;
  }
}

template<class V , class M >

QUESO::ConcatenatedVectorRealizer< V, M >::ConcatenatedVectorRealizer	(	const char *	prefix,
		const std::vector< const BaseVectorRealizer< V, M > * > &	realizers,
		unsigned int	minPeriod,
		const VectorSet< V, M > &	unifiedImageSet
	)

Constructor.

Concatenates a sequence of RVs, given by: std::vector<const BaseVectorRV<V,M>* >& rvs into one single vector RV, given a prefix and the image set of the resulting vector RV.

Definition at line 59 of file ConcatenatedVectorRealizer.C.

References QUESO::ConcatenatedVectorRealizer< V, M >::m_realizers.

  :
  BaseVectorRealizer<V,M>( ((std::string)(prefix)+"gen").c_str(),unifiedImageSet,minPeriod),
  m_realizers(realizers.size(),(const BaseVectorRealizer<V,M>*) NULL)
{
  for (unsigned int i = 0; i < m_realizers.size(); ++i) {
    m_realizers[i] = realizers[i];
  }
}

template<class V , class M >

QUESO::ConcatenatedVectorRealizer< V, M >::~ConcatenatedVectorRealizer

(

)

Destructor.

Definition at line 74 of file ConcatenatedVectorRealizer.C.

{
}

Member Function Documentation

template<class V , class M >

void QUESO::ConcatenatedVectorRealizer< V, M >::realization ( V &  nextValues ) const

virtual

Performs a realization (sample) from a probability density function. See template specialization.

Implements QUESO::BaseVectorRealizer< V, M >.

Definition at line 80 of file ConcatenatedVectorRealizer.C.

{
  std::vector<V*> vecs(m_realizers.size(),(V*)NULL);
  for (unsigned int i = 0; i < vecs.size(); ++i) {
    vecs[i] = new V(m_realizers[i]->unifiedImageSet().vectorSpace().zeroVector());
    //std::cout << "In ConcatenatedVectorRealizer<V,M>::realization: v[i]->sizeLocal() = " << v[i]->sizeLocal() << std::endl;
    m_realizers[i]->realization(*(vecs[i]));
  }

  //std::cout << "In ConcatenatedVectorRealizer<V,M>::realization: nextValues.sizeLocal() = " << nextValues.sizeLocal() << std::endl;
  std::vector<const V*> constVecs(m_realizers.size(),(V*)NULL);
  for (unsigned int i = 0; i < vecs.size(); ++i) {
    constVecs[i] = vecs[i];
  }
  nextValues.cwSetConcatenated(constVecs);
  //std::cout << "In ConcatenatedVectorRealizer<V,M>::realization: succeeded" << std::endl;

  for (unsigned int i = 0; i < vecs.size(); ++i) {
    delete vecs[i];
  }

  return;
}

Member Data Documentation

template<class V = GslVector, class M = GslMatrix>

std::vector<const BaseVectorRealizer<V,M>* > QUESO::ConcatenatedVectorRealizer< V, M >::m_realizers

private

Definition at line 84 of file ConcatenatedVectorRealizer.h.

Referenced by QUESO::ConcatenatedVectorRealizer< V, M >::ConcatenatedVectorRealizer().

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

• src/stats/inc/ConcatenatedVectorRealizer.h
• src/stats/src/ConcatenatedVectorRealizer.C