NAME
    iseven - whether a value is an even integer

SYNOPSIS
    iseven(x)

TYPES
    x		any, &any

    return	int

DESCRIPTION
    Determine if x is an even integer.  This function will return 1 if x is
    even integer, 0 otherwise.

EXAMPLE
    > print iseven(2.0), iseven(1), iseven("0")
    1 0 0

    > print iseven(2i), iseven(1e20), iseven(1/3)
    0 1 0

LIMITS
    none

LIBRARY
    none

SEE ALSO
    isassoc, isatty, isblk, isconfig, isdefined, iserror, isfile,
    ishash, isident, isint, islist, ismat, ismult, isnull, isnum, isobj,
    isobjtype, isodd, isprime, isrand, israndom, isreal, isrel,
    issimple, issq, isstr, istype