On Nov 13, 2012, at 10:41 AM, R. Hillen wrote: > I have to do a lot of calculations like 1234516789012345678901234 mod 97; > (always 24 decimals) > > IntegerCalculation in LC with 24 decimals doesn´t work valide. > > Does anyone of you know of an external function or a mathematical trick or …
Break it down into to 2 shorter strings. This works because you can do all arithmetical operations on the modulo values. function bigMod bigNumber, modWhat put length(bigNumber) into tLen put char 1 to (tLen div 2) of bigNumber into m1 put char (tLen div 2)+1 to -1 of bigNumber into m2 put length(m2) into tPower put m1 mod modWhat into mm1 put (mm1 * (10^tPower)) mod modWhat into mm1 put m2 mod modWhat into mm2 return (mm1 + mm2) mod modWhat end bigMod I tested this technique on smaller numbers and it seems to work. -- Peter Peter M. Brigham pmb...@gmail.com http://home.comcast.net/~pmbrig _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
