QwtScaleArithmetic Class Reference

Arithmetic including a tolerance. More...

#include <qwt_scale_engine.h>

Static Public Member Functions
static double	ceilEps (double value, double intervalSize)
	Ceil a value, relative to an interval.
static double	floorEps (double value, double intervalSize)
	Floor a value, relative to an interval.
static double	divideEps (double intervalSize, double numSteps)
	Divide an interval into steps.
static double	divideInterval (double intervalSize, int numSteps, uint base)
	Calculate a step size for a given interval.

Detailed Description

Arithmetic including a tolerance.

Member Function Documentation

ceilEps()

double QwtScaleArithmetic::ceilEps ( double  value, double  intervalSize  )

static

Ceil a value, relative to an interval.

Parameters

value	Value to be ceiled
intervalSize	Interval size

Returns

Rounded value

See also

floorEps()

divideEps()

double QwtScaleArithmetic::divideEps ( double  intervalSize, double  numSteps  )

static

Divide an interval into steps.

Parameters

intervalSize	Interval size
numSteps	Number of steps

Returns

Step size

divideInterval()

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 )

Returns

Calculated step size

floorEps()

double QwtScaleArithmetic::floorEps ( double  value, double  intervalSize  )

static

Floor a value, relative to an interval.

Parameters

value	Value to be floored
intervalSize	Interval size

Returns

Rounded value

See also

floorEps()

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

• /home/runner/work/QWT/QWT/src/qwt_scale_engine.h
• /home/runner/work/QWT/QWT/src/qwt_scale_engine.cpp