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LEARN ABOUT DEBIAN

qwtscalearithmetic

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 ceil125 (double x)
       static double ceilEps (double value, double intervalSize)
       static int compareEps (double value1, double value2, double intervalSize)
       static double divideEps (double interval, double steps)
       static double floor125 (double x)
       static double floorEps (double value, double intervalSize)

Detailed Description
       Arithmetic including a tolerance.

Member Function Documentation
   double QwtScaleArithmetic::ceil125 (doublex) [static] Find the smallest value out of {1,2,5}*10^n with an integer number n which is greater
       than or equal to x
       Parameters:
	   x Input value

   double QwtScaleArithmetic::ceilEps (doublevalue, doubleintervalSize) [static] Ceil a value, relative to an interval
       Parameters:
	   value Value to ceil
	   intervalSize Interval size

       See also:
	   floorEps()

   int QwtScaleArithmetic::compareEps (doublevalue1, doublevalue2, doubleintervalSize) [static]
       Compare 2 values, relative to an interval. Values are 'equal', when : $

       Parameters:
	   value1 First value to compare
	   value2 Second value to compare
	   intervalSize interval size

       Returns:
	   0: if equal, -1: if value2 > value1, 1: if value1 > value2

   double QwtScaleArithmetic::divideEps (doubleintervalSize, doublenumSteps) [static]
       Divide an interval into steps. $stepSize = (intervalSize - intervalSize * 10e^{-6}) / numSteps$.PP Parameters:
	   intervalSize Interval size
	   numSteps Number of steps

       Returns:
	   Step size

   double QwtScaleArithmetic::floor125 (doublex) [static]
       Find the largest value out of {1,2,5}*10^n with an integer number n which is smaller than or equal to x. Parameters:
	   x Input value

   double QwtScaleArithmetic::floorEps (doublevalue, doubleintervalSize) [static] Floor a value, relative to an interval
       Parameters:
	   value Value to floor
	   intervalSize Interval size

       See also:
	   floorEps()

Author
       Generated automatically by Doxygen for Qwt User's Guide from the source code.

Version 5.2.2							  Mon Aug 1 2011					     QwtScaleArithmetic(3)