isInfinity

isInfinity( 
f_flownum 
) 
=> t / nil 

Description

Checks whether the given flownum argument represents infinity (positive or negative).

Arguments

Value Returned

Examples

plus_inf = 2.0 * 1e999
isInfinity (plus_inf) 
=> t

isInfinity (987.65) 
=> nil

Related Topics

Arithmetic Functions