isinfinity

isinfinity, function

def pure isinfinity(n: number): boolean
def pure isinfinity(n: f64): boolean

Returns true when n is a floating-point infinity.

Examples

table T = with
  [| as Label, as Value |]
  [| "finite", 2 |]
  [| "infinite", 1e30 |]

T.Square = T.Value * T.Value

show table "Infinity check" with
  T.Label
  isinfinity(T.Square) as "IsInfinity"

This outputs the following table:

Remarks

Both overloads are evaluated at runtime, not in const expressions.

See also

• isfinite
• isnan