aggregpacking::FullerCurveRandomizer Class Reference

Random size generator for Fuller curve. More...

#include <randomizer.hpp>

Inheritance diagram for aggregpacking::FullerCurveRandomizer:

Public Types
typedef vector< double >	sizes_t
	typedef for sizes type

Public Member Functions
	FullerCurveRandomizer ()
	Default constructor. More...
	FullerCurveRandomizer (int n, double e, double minSize, double maxSize)
	Constructor. More...
	FullerCurveRandomizer (int n, double e, double minSize, double maxSize, const string &m)
	Constructor. More...
virtual double	cdf (double size) const
double	getExponent ()
	Getter for exponent.
void	setExponent (double v)
	Setter for exponent.
virtual double	getMinSize () const
	Returns minimum defined size.
virtual double	getMaxSize () const
	Returns maximum defined size.
virtual const string &	getClassName ()
	Returns string representation of FullerCurveRandomizer class name.
double	take () const
	Returns random size. A lot of random sizes should converge to the prescribed sieve curve. Mass/volume of aggregate is assumed pow(size,3)
const sizes_t &	getSizes ()
	Getter for sizes.
string	getFileName ()
	Getter for file name.
virtual void	save (const string &fName) const
	Saves receiver into specified file. More...
virtual void	save () const
	Saves receiver into this->fileName.
virtual bool	load (const string &fName)
	Loads receiver from specified file. More...
virtual bool	load ()
	Loads receiver from this->fileName. More...

Static Public Member Functions
static double	random ()
	Returns random number in the interval [0,1) (with uniform distribution)
static double	randint (int m)
	Returns random integer in the interval [0,m-1] (with uniform istribution) More...
static int	getSeed ()
	Getter for seed.
static void	setSeed (int s)
	Setter for seed. More...

Static Public Attributes
static const string	className = "FullerCurveRandomizer"
	String representation of FullerCurveRandomizer class name.

Protected Member Functions
void	initSizes (unsigned int nMinValues)
	According to given parameters, constructs sizes. It is numerically converted sieve curve from terms of cumulative volume to the terms of sizes.
void	saveSizes (ostream &os) const
	Save sizes to ostream. More...
void	loadSizes (istream &is)
	Load sizes from istream. More...

Static Protected Member Functions
static AggregSizeRandomizer *	Load (istream &is)
	Create and return a new AggregSizeRandomizer from given istream. More...

Protected Attributes
double	exponent
	Exponent of analytical expression.
double	minSize
	User defined minimum aggregate size.
double	maxSize
	Maximum size from the analytical expression.
sizes_t	sizes
	Array of increasing sizes. Discrete representation of given sieve curve in terms of aggregate size.
string	fileName
	File name for saving itself.

Friends
ostream &	operator<< (ostream &f, const FullerCurveRandomizer &o)
	FullerCurveRandomizer to ostream shift operator.
istream &	operator>> (istream &f, FullerCurveRandomizer &o)
	FullerCurveRandomizer from istream shift operator.

Detailed Description

Random size generator for Fuller curve.

Fuller curve is defined as P(d) = (d/dmax)^n. Exponent n is usually between 0.4-0.7, most often 0.5. Apart from dmax (maximum aggrgate size), also minimum aggregate size has to be defined

Constructor & Destructor Documentation

aggregpacking::FullerCurveRandomizer::FullerCurveRandomizer ( )

inline

Default constructor.

sets exponent=0.5, minSize=0.5e-3, maxSize=16e-3

aggregpacking::FullerCurveRandomizer::FullerCurveRandomizer ( int  n, double  e, double  minSize, double  maxSize  )

inline

Constructor.

Parameters

n	minimum length of sizes attribute
e	exponent
minSize	minimum aggregate size
maxSize	maximum aggregate size

aggregpacking::FullerCurveRandomizer::FullerCurveRandomizer ( int  n, double  e, double  minSize, double  maxSize, const string &  m  )

inline

Constructor.

Parameters

n	minimum length of sizes attribute
e	exponent
minSize	minimum aggregate size
maxSize	maximum aggregate size
m	file name

Member Function Documentation

double aggregpacking::FullerCurveRandomizer::cdf ( double  size ) const

virtual

Cumulative relative mass function. Returns what is the total mass of all aggregates spmaller than given size (normalized with total mass of all aggregates)

Parameters

size	given size

Returns

relative cumulative mass of all particles smaller than given size

Implements aggregpacking::AggregSizeRandomizer.

AggregSizeRandomizer * aggregpacking::AggregSizeRandomizer::Load ( istream &  is )

staticprotectedinherited

Create and return a new AggregSizeRandomizer from given istream.

Parameters

is	input stream

virtual bool aggregpacking::AggregSizeRandomizer::load ( const string &  fName )

inlinevirtualinherited

Loads receiver from specified file.

Parameters

fName

given file name

Returns

true if successful, false otherwise

virtual bool aggregpacking::AggregSizeRandomizer::load ( )

inlinevirtualinherited

Loads receiver from this->fileName.

Returns

true if successful, false otherwise

void aggregpacking::AggregSizeRandomizer::loadSizes ( istream &  is )

protectedinherited

Load sizes from istream.

Parameters

is	input stream

static double aggregpacking::Randomizer::randint ( int  m )

inlinestaticinherited

Returns random integer in the interval [0,m-1] (with uniform istribution)

Parameters

m	upper limit if the interval

virtual void aggregpacking::AggregSizeRandomizer::save ( const string &  fName ) const

inlinevirtualinherited

Saves receiver into specified file.

Parameters

fName

given file name

void aggregpacking::AggregSizeRandomizer::saveSizes ( ostream &  os ) const

protectedinherited

Save sizes to ostream.

Parameters

os	output stream

static void aggregpacking::Randomizer::setSeed ( int  s )

inlinestaticinherited

Setter for seed.

Parameters

s

new seed

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

• randomizer.hpp
• randomizer.cpp