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
           value Value to be ceiled
           intervalSize Interval size

       Returns
           Rounded value

       See also
           floorEps()

       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
           intervalSize Interval size
           numSteps Number of steps

       Returns
           Step size

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

       Returns
           Calculated step size

       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
           value Value to be floored
           intervalSize Interval size

       Returns
           Rounded value

       See also
           floorEps()

       Definition at line 126 of file qwt_scale_engine.cpp.


Author
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Version 6.2.0                   Sun Jul 18 2021          QwtScaleArithmetic(3)