> Hi! > I'm using Gambas 3 rev 2822 @ Ubuntu 9.10 64bit. > > To IDE console; > > ?3413156131^2 > 1.164963477458E+19 > Right. > > ?3413156131*3413156131 > -6797109299126662455 > Wrong. > > > Or in code; > > dim y as long = 3413156131 > Print (y * (1 + y)) / 2 > > Result; > -3398554647856753152 > Wrong.
The '*' operator (like '+' and '-') returns the same datatype as its arguments. There is no conversion to a bigger datatype if needed, so the result is truncated. > > > Also, is there possibility to define integer variable bigger than 64bit? No. > I need really big numbers... Find a volunteer to implement a Gambas component based on a library that can manage big integers, like that one: http://gmplib.org/ Regards, -- Benoît Minisini ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Gambas-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/gambas-user
