NaN and Infinity

Internet Object supports NaN (Not a Number) and Infinity values. Not a number and the Infinity must be represented as literal characters NaN and Inf. The Infinity value may be prefixed with an optional plus or minus sign.

The Structure for NaN and Inf values

Chars	Char Code	Detail
-	U+2010	Minus Sign
+	U+002B	Plus Sign
Inf	U+006C U+006E U+0066	The keyword Inf
NaN	U+004E U+0061	The keyword NaN

Valid Values

NaN, Inf, -Inf, +Inf