.TH "QwtScaleArithmetic" 3 "Mon Dec 28 2020" "Version 6.1.6" "Qwt User's Guide" \" -*- nroff -*- .ad l .nh .SH NAME QwtScaleArithmetic \- Arithmetic including a tolerance\&. .SH SYNOPSIS .br .PP .PP \fC#include \fP .SS "Static Public Member Functions" .in +1c .ti -1c .RI "static double \fBceilEps\fP (double value, double intervalSize)" .br .ti -1c .RI "static double \fBfloorEps\fP (double value, double intervalSize)" .br .ti -1c .RI "static double \fBdivideEps\fP (double intervalSize, double numSteps)" .br .RI "Divide an interval into steps\&. " .ti -1c .RI "static double \fBdivideInterval\fP (double intervalSize, int numSteps, uint base)" .br .in -1c .SH "Detailed Description" .PP Arithmetic including a tolerance\&. .SH "Member Function Documentation" .PP .SS "double QwtScaleArithmetic::ceilEps (double value, double intervalSize)\fC [static]\fP" Ceil a value, relative to an interval .PP \fBParameters\fP .RS 4 \fIvalue\fP Value to be ceiled .br \fIintervalSize\fP Interval size .RE .PP \fBReturns\fP .RS 4 Rounded value .RE .PP \fBSee also\fP .RS 4 \fBfloorEps()\fP .RE .PP .SS "double QwtScaleArithmetic::divideEps (double intervalSize, double numSteps)\fC [static]\fP" .PP Divide an interval into steps\&. $stepSize = (intervalSize - intervalSize * 10e^{-6}) / numSteps$ .PP \fBParameters\fP .RS 4 \fIintervalSize\fP Interval size .br \fInumSteps\fP Number of steps .RE .PP \fBReturns\fP .RS 4 Step size .RE .PP .SS "double QwtScaleArithmetic::divideInterval (double intervalSize, int numSteps, uint base)\fC [static]\fP" Calculate a step size for a given interval .PP \fBParameters\fP .RS 4 \fIintervalSize\fP Interval size .br \fInumSteps\fP Number of steps .br \fIbase\fP Base for the division ( usually 10 ) .RE .PP \fBReturns\fP .RS 4 Calculated step size .RE .PP .SS "double QwtScaleArithmetic::floorEps (double value, double intervalSize)\fC [static]\fP" Floor a value, relative to an interval .PP \fBParameters\fP .RS 4 \fIvalue\fP Value to be floored .br \fIintervalSize\fP Interval size .RE .PP \fBReturns\fP .RS 4 Rounded value .RE .PP \fBSee also\fP .RS 4 \fBfloorEps()\fP .RE .PP .SH "Author" .PP Generated automatically by Doxygen for Qwt User's Guide from the source code\&.