Hi, This discussion does not belong on the dev mailing list, but the user mailing list (*users@groovy.apache.org <users@groovy.apache.org>)*. Please continue your very interesting discussion there :-) Thanks.
/Søren On Sun, 19 Mar 2017 at 16:47 James Bond <sbyrne...@gmail.com> wrote: What happens if you use .toDouble() instead of .toFloat, and an explicitly double 100.0 literal? Right now, your computation is taking an integer, dividing by a float, then multiplying by another float. I suspect that going double precision won't fix this in all cases (floating point math is, after all, just an approximation), but at least you're processing the values as precisely as you can. On Sun, Mar 19, 2017 at 8:28 AM, Derek Visch <derek.vi...@gmail.com> wrote: Looks like floating point to me, what are you expecting? On Mar 19, 2017 10:04 AM, "Tx. T" <txt8...@yahoo.com> wrote: Any idea why the follow code "calc" returns the "70%" of the 330000 incorrectly? testing on: Groovy Version: 2.4.9 JVM: 1.8.0_112 Vendor: Oracle Corporation OS: Mac OS X Mac OS X 10.12.3 groovy:000> def calc = { amount, ttl -> groovy:001> double rtn groovy:002> if (amount[-1] != '%') rtn = amount.toDouble() groovy:003> else rtn = ttl / 100.0 * amount.replaceAll(/%\Z/, '').toFloat() groovy:004> groovy:004> rtn groovy:005> } ===> groovysh_evaluate$_run_closure1@39fcbef6*groovy:000> calc("70%", 330000) ===> 230999.99999999997* groovy:000> calc("10%", 330000) ===> 33000.0 groovy:000> calc("20%", 330000) ===> 66000.0 groovy:000> calc("30%", 330000) ===> 99000.0 groovy:000> calc("40%", 330000) ===> 132000.0 groovy:000> calc("50%", 330000) ===> 165000.0 groovy:000> calc("60%", 330000) ===> 198000.0*groovy:000> calc("70%", 330000) ===> 230999.99999999997* groovy:000> calc("80%", 330000) ===> 264000.0 groovy:000> calc("90%", 330000) ===> 297000.0 groovy:000> calc("100%", 330000) ===> 330000.0 -- Best regards / Med venlig hilsen, Søren Berg Glasius Hedevej 1, Gl. Rye, 8680 Ry, Denmark Mobile: +45 40 44 91 88, Skype: sbglasius --- Press ESC once to quit - twice to save the changes.