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isInfinite -- whether a number is infinite

Usage:

isInfinite x
Inputs:
- x, a number
Outputs:
- a Boolean value, whether x is an infinite number

Description

i1 : isInfinite 3.

o1 = false

i2 : inf = 1/0.

o2 = infinity

o2 : RR (of precision 53)

i3 : isInfinite inf

o3 = true

i4 : nan = inf - inf

o4 = NotANumber

o4 : RR (of precision 53)

i5 : isInfinite nan

o5 = false

See also

isFinite -- whether a number is finite
isANumber -- whether a number is not not-a-number

Ways to use isInfinite:

isInfinite(Constant)
isInfinite(InfiniteNumber)
isInfinite(Number)

For the programmer

The object isInfinite is a method function.

The source of this document is in Macaulay2Doc/ov_analytic_functions.m2:495:0.