next | previous | forward | backward | up | top | index | toc | Macaulay2 website
Macaulay2Doc :: isInfinite

isInfinite -- whether a number is infinite

Synopsis

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

Ways to use isInfinite :

For the programmer

The object isInfinite is a compiled function.