PICO-8 Wiki
(→‎Examples: let's highlight the 0 behavior)
(Let's move this note above examples so people will more certainly see it)
Line 4: Line 4:
 
|number|required|The number to determine the sign of.
 
|number|required|The number to determine the sign of.
 
}}
 
}}
  +
 
== Technical Note ==
 
<code>sgn(0)</code> will return 1, not 0 as might be common on other platforms.
   
 
== Examples ==
 
== Examples ==
Line 11: Line 14:
 
sgn(-14) -- returns -1
 
sgn(-14) -- returns -1
 
</syntaxhighlight>
 
</syntaxhighlight>
 
== Technical Note ==
 
<code>sgn(0)</code> will return 1
 
   
 
== See also ==
 
== See also ==

Revision as of 00:20, 6 June 2018

sgn( [number] )
Returns the sign of a number, 1 for positive, -1 for negative
number
The number to determine the sign of.

Technical Note

sgn(0) will return 1, not 0 as might be common on other platforms.

Examples

sgn(100) -- returns 1
sgn(0)   -- returns 1 (not 0)
sgn(-14) -- returns -1

See also