bernsteinPoly Class Reference

Bernstein Polynomial. More...

#include <bernstein.h>

Collaboration diagram for bernsteinPoly:

List of all members.

Public Member Functions
void	construct ()
	Realizes the function with the current values of n and i.
void	construct (uintc n_, uintc i_)
	Construct the function.
	bernsteinPoly ()
	Dummy constructor, call construct() later.
	bernsteinPoly (uintc n_, uintc i_)
	Construct the function.
void	eval (double &res, doublec t) const
	Evaluate the function at t.
doublec	eval (doublec t) const
	Evaluate the function at t.
Public Attributes
double	coeff
	The leading coefficient.
uint	n
	The degree.
uint	i
	Which polynomial 0.

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Detailed Description

Bernstein Polynomial.

Defined as (n,i)*t^i*(1-t)^(n-i).

Definition at line 12 of file bernstein.h.

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Constructor & Destructor Documentation

bernsteinPoly::bernsteinPoly

(

)

[inline]

Dummy constructor, call construct() later.

Definition at line 30 of file bernstein.h.

: coeff(0.0), n(0), i(0) {}

bernsteinPoly::bernsteinPoly	(	uintc	n_,
		uintc	i_
	)

Construct the function.

Definition at line 22 of file bernstein.cpp.

  : n(n_), i(i_)
{
  construct();
}

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Member Function Documentation

void bernsteinPoly::construct	(	uintc	n_,
		uintc	i_
	)

Construct the function.

Definition at line 11 of file bernstein.cpp.

{
  n = n_;
  i = i_;
  construct();
}

void bernsteinPoly::construct

(

)

Realizes the function with the current values of n and i.

Definition at line 31 of file bernstein.cpp.

References coeff, i, mathcombination(), and n.

Referenced by bernsteinPolyProd::construct().

{
  mathcombination(coeff,n,i);
}

doublec bernsteinPoly::eval

(

doublec

t

)

const [inline]

Evaluate the function at t.

Definition at line 38 of file bernstein.h.

References eval().

Referenced by eval().

    { double res; eval(res,t); return res; }

void bernsteinPoly::eval	(	double &	res,
		doublec	t
	)			const

Evaluate the function at t.

Definition at line 37 of file bernstein.cpp.

Referenced by bernsteintest::test01().

{
  doublec a1(1.0-t);
  res = coeff * pow(t,(double)i) * pow(a1,(double)(n-i));
}

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Member Data Documentation

double bernsteinPoly::coeff

The leading coefficient.

Definition at line 16 of file bernstein.h.

Referenced by construct().

uint bernsteinPoly::i

Which polynomial 0.

.n

Definition at line 21 of file bernstein.h.

Referenced by construct().

uint bernsteinPoly::n

The degree.

Definition at line 19 of file bernstein.h.

Referenced by construct().

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

• mathlib/bernstein.h
• mathlib/bernstein.cpp