User Guide

682 Chapter 3: ColdFusion Functions
Sgn
Description
Determines the sign of a number.
Returns
• 1, if number is positive.
• 0, if number is 0.
• -1, if number is negative.
Category
Mathematical functions
Function syntax
Sgn(number)
See also
Abs
Parameters
Example
<h3>Sgn Example</h3>
<p>Sgn determines the sign of a number. Returns 1 if number is positive;
0 if number is 0; -1 if number is negative.
<p>Sgn(14): <cfoutput>#Sgn(14)#</cfoutput>
<p>Sgn(21-21): <cfoutput>#Sgn(21-21)#</cfoutput>
<p>Sgn(-0.007): <cfoutput>#Sgn(-0.007)#</cfoutput>
Parameter Description
number A number