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