| QwtScaleArithmetic(3) | Qwt User's Guide | QwtScaleArithmetic(3) |
NAME
QwtScaleArithmetic - Arithmetic including a tolerance.
SYNOPSIS
#include <qwt_scale_engine.h>
Static Public Member Functions
static double ceilEps (double value, double intervalSize)
static double floorEps (double value, double intervalSize)
static double divideEps (double intervalSize, double numSteps)
Divide an interval into steps. static double divideInterval (double
intervalSize, int numSteps, uint base)
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
intervalSize Interval size
Returns
See also
Definition at line 108 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
numSteps Number of steps
Returns
Definition at line 143 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
numSteps Number of steps
base Base for the division ( usually 10 )
Returns
Definition at line 160 of file qwt_scale_engine.cpp.
double QwtScaleArithmetic::floorEps (double value, double intervalSize) [static]
Floor a value, relative to an interval
Parameters
intervalSize Interval size
Returns
See also
Definition at line 126 of file qwt_scale_engine.cpp.
Author
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| Sun Jul 18 2021 | Version 6.2.0 |