/usr/include/openturns/ComposedDistribution.hxx is in libopenturns-dev 0.15-2.
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/**
* @file ComposedDistribution.hxx
* @brief The class that implements assembly distributions
*
* (C) Copyright 2005-2011 EDF-EADS-Phimeca
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* @author: $LastChangedBy: souchaud $
* @date: $LastChangedDate: 2011-07-01 10:34:36 +0200 (Fri, 01 Jul 2011) $
* Id: $Id: ComposedDistribution.hxx 1981 2011-07-01 08:34:36Z souchaud $
*/
#ifndef OPENTURNS_COMPOSEDDISTRIBUTION_HXX
#define OPENTURNS_COMPOSEDDISTRIBUTION_HXX
#include "Distribution.hxx"
#include "DistributionImplementation.hxx"
#include "Exception.hxx"
#include "PersistentCollection.hxx"
#include "Copula.hxx"
namespace OpenTURNS {
namespace Uncertainty {
namespace Distribution {
/**
* @class ComposedDistribution
*
* The class describes the probabilistic concept of distributions
* made from marginal distributions and from a copula.
*/
class ComposedDistribution
: public Model::DistributionImplementation
{
CLASSNAME;
public:
/** A type for distribution collection */
typedef Model::DistributionImplementation DistributionImplementation; // required by SWIG
typedef Model::Copula Copula; // required by SWIG
typedef Model::Distribution Distribution;
typedef Base::Type::Collection<Distribution> DistributionCollection;
typedef Base::Type::PersistentCollection<Distribution> DistributionPersistentCollection;
typedef DistributionImplementation::InvalidArgumentException InvalidArgumentException;
typedef Base::Common::NotDefinedException NotDefinedException;
typedef DistributionImplementation::NumericalPoint NumericalPoint;
typedef DistributionImplementation::NumericalSample NumericalSample;
typedef DistributionImplementation::Implementation Implementation;
typedef DistributionImplementation::NumericalPointWithDescriptionCollection NumericalPointWithDescriptionCollection;
typedef DistributionImplementation::IsoProbabilisticTransformation IsoProbabilisticTransformation;
typedef DistributionImplementation::InverseIsoProbabilisticTransformation InverseIsoProbabilisticTransformation;
typedef DistributionImplementation::StorageManager StorageManager;
/** Default constructor for save/load methods : 1D distribution with default Uniform marginal and IndependentCopula */
ComposedDistribution();
/** Default constructor, independent copula is supposed */
explicit ComposedDistribution(const DistributionCollection & coll);
/** Default constructor */
explicit ComposedDistribution(const DistributionCollection & coll,
const Copula & copula)
/* throw (InvalidArgumentException) */;
/** Comparison operator */
Bool operator ==(const ComposedDistribution & other) const;
/** String converter */
String __repr__() const;
String __str__(const String & offset = "") const;
/** Distribution collection accessor */
void setDistributionCollection(const DistributionCollection & coll)
/* throw (InvalidArgumentException) */;
const DistributionCollection & getDistributionCollection() const;
/** Copula accessor */
void setCopula(const Copula & copula)
/* throw (InvalidArgumentException) */;
Implementation getCopula() const;
/* Here is the interface that all derived class must implement */
/** Virtual constructor */
ComposedDistribution * clone() const;
/** Get one realization of the ComposedDistribution */
NumericalPoint getRealization() const;
/** Get the DDF of the ComposedDistribution */
using DistributionImplementation::computeDDF;
NumericalPoint computeDDF(const NumericalPoint & point) const;
/** Get the PDF of the ComposedDistribution */
using DistributionImplementation::computePDF;
NumericalScalar computePDF(const NumericalPoint & point) const;
/** Get the CDF of the ComposedDistribution */
using DistributionImplementation::computeCDF;
NumericalScalar computeCDF(const NumericalPoint & point, const Bool tail = false) const;
/** Get the probability content of an interval */
NumericalScalar computeProbability(const Interval & interval) const;
/** Get the PDF gradient of the distribution */
NumericalPoint computePDFGradient(const NumericalPoint & point) const;
/** Get the CDF gradient of the distribution */
NumericalPoint computeCDFGradient(const NumericalPoint & point) const;
/** Get the quantile of the distributionImplementation */
NumericalPoint computeQuantile(const NumericalScalar prob,
const Bool tail = false) const;
/** Compute the PDF of Xi | X1, ..., Xi-1. x = Xi, y = (X1,...,Xi-1) */
NumericalScalar computeConditionalPDF(const NumericalScalar x, const NumericalPoint & y) const;
/** Compute the CDF of Xi | X1, ..., Xi-1. x = Xi, y = (X1,...,Xi-1) */
NumericalScalar computeConditionalCDF(const NumericalScalar x, const NumericalPoint & y) const;
/** Get the standard deviation of the distribution */
NumericalPoint getStandardDeviation() const /* throw(NotDefinedException) */;
/** Get the skewness of the distribution */
NumericalPoint getSkewness() const /* throw(NotDefinedException) */;
/** Get the kurtosis of the distribution */
NumericalPoint getKurtosis() const /* throw(NotDefinedException) */;
/** Get the i-th marginal distribution */
DistributionImplementation * getMarginal(const UnsignedLong i) const /* throw(InvalidArgumentException) */;
/** Get the distribution of the marginal distribution corresponding to indices dimensions */
ComposedDistribution * getMarginal(const Indices & indices) const /* throw(InvalidArgumentException) */;
/** Get the isoprobabilist transformation */
IsoProbabilisticTransformation getIsoProbabilisticTransformation() const;
/** Get the inverse isoprobabilist transformation */
InverseIsoProbabilisticTransformation getInverseIsoProbabilisticTransformation() const;
/** Get the standard distribution */
Implementation getStandardDistribution() const;
/** Parameters value and description accessor */
NumericalPointWithDescriptionCollection getParametersCollection() const;
/** Tell if the distribution has independent copula */
Bool hasIndependentCopula() const;
/** Method save() stores the object through the StorageManager */
void save(StorageManager::Advocate & adv) const;
/** Method load() reloads the object from the StorageManager */
void load(StorageManager::Advocate & adv);
private:
/** Compute the mean of the distribution */
void computeMean() const;
/** Compute the covariance of the distribution */
void computeCovariance() const /* throw(NotDefinedException) */;
/** The collection of distribution of the ComposedDistribution */
DistributionPersistentCollection distributionCollection_;
/** The copula of the ComposedDistribution */
Copula copula_;
}; /* class ComposedDistribution */
} /* namespace Distribution */
} /* namespace Uncertainty */
} /* namespace OpenTURNS */
#endif /* OPENTURNS_COMPOSEDDISTRIBUTION_HXX */
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