2 isint - whether a value is an integer
13 Determine if x is an integer. This function will return 1 if x is
17 > print isint(2.0), isint(1), isint("0")
20 > print isint(2i), isint(1e20), isint(1/3)
31 isassoc, isatty, isblk, isconfig, isdefined, iserror, iseven, isfile,
32 ishash, isident, islist, ismat, ismult, isnull, isnum, isobj,
33 isobjtype, isodd, isprime, isrand, israndom, isreal, isrel,
34 issimple, issq, isstr, istype