PolynomialFit Class Reference

A simple 1-D polynomial fit, using GSL routines. More...

#include <PolynomialFit.h>

Inheritance diagram for PolynomialFit:

Public Member Functions
	PolynomialFit ()
	Default constructor.
virtual	~PolynomialFit ()
	Destructor.
void	reset ()
	Clear all current data, results.
void	set_degree (int n)
	Set the degree of the fit.
int	get_degree ()
	Get the current degree.
void	add_data (double x, Estimate< double > y)
	Add a data point.
void	compute ()
	Compute the fit using current data.
double	evaluate (double x)
	Evaluate the fit solution at the given x.
double	evaluate_deriv (double x)
	Evaluate the fit solution's derivative at the given x.
double	evaluate_integ (double x0, double x1)
	Integrate the fit solution between x0 and x1.
double	evaluate_moment (double x0, double x1, int n)
	Integrate x^n * y(x) over the specified range.
double	get_rchi2 ()
	Get the reduced chi2 of the fit.
Estimate< double >	get_coeff (int n)
	Get the nth degree fitted polynomial coeff and error.
Public Member Functions inherited from Reference::Able
	Able ()
	Default constructor.
	Able (const Able &)
	Copy constructor.
Able &	operator= (const Able &)
	Assignment operator.
virtual	~Able ()
	Destructor.
unsigned	get_reference_count () const
	Returns the number of references there are to this.
Public Member Functions inherited from Reference::HeapTracked
	HeapTracked ()
	Default constructor.
	HeapTracked (const HeapTracked &)
	Copy constructor.
HeapTracked &	operator= (const HeapTracked &)
	Assignment operator.
virtual	~HeapTracked ()
	Destructor.
bool	__is_on_heap () const
	Return true if this instance is found in heap addresses.

Protected Member Functions
bool	check_range (double x)
	Check if a requested x val is in the fit range.
Protected Member Functions inherited from Reference::Able
Handle *	__reference (bool active) const
	Add the address of a reference to this object.
void	__dereference (bool auto_delete=true) const
	Remove the address of a reference to this object.

Protected Attributes
std::vector< double >	x
	The x values for the fit.
std::vector< Estimate< double > >	y
	The y values/errors for the fit.
int	ndeg
	Number of polynomial degrees (1=linear, 2=quadratic, etc)
double	x_avg
	Avg x value.
double	chi2
	The fit chi2.
bool	calcd
	Has the fit been calculated?
std::vector< Estimate< double > >	coeffs
	The fitted coeffs.

Additional Inherited Members
Static Public Member Functions inherited from Reference::Able
static size_t	get_instance_count ()
	Returns the current number instances in existence.
Static Public Member Functions inherited from Reference::HeapTracked
static void *	operator new (size_t size, void *ptr=0)
	Records the addresses of new instances allocated on the heap.
static void	operator delete (void *location, void *ptr)
	Placement delete overload to match the placement new overload.
static void	operator delete (void *location)
	Regular delete overload.
static size_t	get_heap_queue_size ()
	Return the number of heap addresses awaiting processing.

Detailed Description

A simple 1-D polynomial fit, using GSL routines.

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

• PolynomialFit.h
• PolynomialFit.C