Class representing a linear function. More...

#include <linearfunc.h>

Public Member Functions
	LinearFunc ()
	LinearFunc (qreal slope, qreal yIntercept)
	LinearFunc (qreal x0, qreal y0, qreal x1, qreal y1)
	Set the linear function to have value y0 in x0 and y1 in x1.
void	set (qreal slope, qreal yIntercept)
void	set (qreal x0, qreal y0, qreal x1, qreal y1)
	Set the linear function to have value y0 in x0 and y1 in x1.
LinearFunc	compose (const LinearFunc &other) const
	Return a composed linear function corresponding to this->get(other->get(x))
qreal	get (qreal x) const
	Return the value of function in x.
qreal	inverse (qreal y) const
	Return the value of x when the function has the value y.
Protected Attributes
qreal	a
qreal	b

Detailed Description

Class representing a linear function.

Just a convenience to avoid keeping two qreals all the time.

Constructor & Destructor Documentation

Updraft::Util::LinearFunc::LinearFunc ( ) [inline]

Updraft::Util::LinearFunc::LinearFunc	(	qreal	slope,
		qreal	yIntercept
	)		`[inline]`

Updraft::Util::LinearFunc::LinearFunc	(	qreal	x0,
		qreal	y0,
		qreal	x1,
		qreal	y1
	)		`[inline]`

Set the linear function to have value y0 in x0 and y1 in x1.

LinearFunc Updraft::Util::LinearFunc::compose ( const LinearFunc & other ) const [inline]

Return a composed linear function corresponding to this->get(other->get(x))

qreal Updraft::Util::LinearFunc::get ( qreal x ) const [inline]

Return the value of function in x.

qreal Updraft::Util::LinearFunc::inverse ( qreal y ) const [inline]

Return the value of x when the function has the value y.

void Updraft::Util::LinearFunc::set	(	qreal	slope,
		qreal	yIntercept
	)		`[inline]`

void Updraft::Util::LinearFunc::set	(	qreal	x0,
		qreal	y0,
		qreal	x1,
		qreal	y1
	)		`[inline]`

Set the linear function to have value y0 in x0 and y1 in x1.

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