FahrenheitToRankine(fahrenheit)
Last updated September 17, 2001
Version: 1 | Requires: ColdFusion 5 | Library: ScienceLib
Description:
Converts degrees Fahrenheit to degrees Rankine. Note that the Rankine temperature scale has an absolute zero (negative Rankine temperatures do not exist). If a temperature below -459.67 Fahrenheit (absolute 0) is passed, the funciton returns -1.
Return Values:
Returns a float.
Example:
<CFOUTPUT>
Given f=#f#<BR>
#f# degrees Fahrenheit = #FahrenheitToRankine(f)# degrees Rankine.
</CFOUTPUT>
Parameters:
| Name | Description | Required |
|---|---|---|
| fahrenheit | Degrees Fahrenheit you want to convert to Rankine. | Yes |
Full UDF Source:
<cfscript>
/**
* Converts degrees Fahrenheit to degrees Rankine.
* Minor enhancements by Rob Brooks-Bilson (rbils@amkor.com).
*
* @param fahrenheit Degrees Fahrenheit you want to convert to Rankine.
* @return Returns a float.
* @author Tony Blackmon (rbils@amkor.comfluid@sc.rr.com)
* @version 1, September 17, 2001
*/
function FahrenheitToRankine(fahrenheit)
{
if (fahrenheit lt -459.67)
return -1;
else
return fahrenheit + 459.67;
}
</cfscript>
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