Arithmetic including a tolerance. More...

Static Public Member Functions
static double	ceilEps (double value, double intervalSize)
static double	divideEps (double interval, double steps)
	Divide an interval into steps.
static double	divideInterval (double interval, int numSteps, uint base)
static double	floorEps (double value, double intervalSize)

Detailed Description

Arithmetic including a tolerance.

Definition at line 22 of file qwt_scale_engine.h.

Member Function Documentation

double QwtScaleArithmetic::ceilEps	(	double	value,
		double	intervalSize
	)		`[static]`

Ceil a value, relative to an interval

Parameters:

value	Value to be ceiled
intervalSize	Interval size

Definition at line 113 of file qwt_scale_engine.cpp.

double QwtScaleArithmetic::divideEps	(	double	intervalSize,
		double	numSteps
	)		`[static]`

Divide an interval into steps.

$stepSize = (intervalSize - intervalSize * 10e^{-6}) / numSteps$

Parameters:

intervalSize	Interval size
numSteps	Number of steps

Definition at line 148 of file qwt_scale_engine.cpp.

double QwtScaleArithmetic::divideInterval	(	double	intervalSize,
		int	numSteps,
		uint	base
	)		`[static]`

Calculate a step size for a given interval

Parameters:

intervalSize	Interval size
numSteps	Number of steps
base	Base for the division ( usually 10 )

Definition at line 165 of file qwt_scale_engine.cpp.

double QwtScaleArithmetic::floorEps	(	double	value,
		double	intervalSize
	)		`[static]`

Floor a value, relative to an interval

Parameters:

value	Value to be floored
intervalSize	Interval size

Definition at line 131 of file qwt_scale_engine.cpp.

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