CFLib.org – Common Function Library Project

Description:
Calculates the circumference of a circle based on the radius.

Return Values:
Returns a simple value

Example:

<CFSET radius=4>
  <CFOUTPUT>
  Given: radius = #radius#
  The circumference of the circle is #CircumferenceCircle(radius)#
  </CFOUTPUT>

Parameters:

Full UDF Source:

/**
 * Calculates the circumference of a circle
 * 
 * @param radius      1/2 the diameter of the circle. 
 * @return Returns a simple value 
 * @author Rob Brooks-Bilson (rbils@amkor.com) 
 * @version 1.0, July 17, 2001 
 */
function CircumferenceCircle(radius)
{
  Return (2*PI()*radius);
}