https://github.com/fricas/fricas/issues/179
Le lun. 29 juil. 2024 à 10:50, Grégory Vanuxem <[email protected]> a écrit : > > Hello, > > Would you like I fill a GH issue for the remainder? With eventualIy a link to > this discussion ? it would not be a problem. > > Greg > > Le dim. 28 juil. 2024 à 12:44, Waldek Hebisch <[email protected]> a écrit : >> >> On Sun, Jul 28, 2024 at 10:09:15AM +0200, Ralf Hemmecke wrote: >> > > And there are nasty bordeline cases, for example when number is >> > > smaller than the next integer but the difference is smaller than >> > > resolution of the convertion. Arguably in such case we should round >> > > up. >> > >> > Isn't that easy to solve by adding (or subtracting if the number is >> > negative) half of the precision (i.e. basically rounding the part after the >> > dot)? >> > >> > In fact, "round" is probably correct, but it should be round(10^n*x)/10^n >> > and then do the splitting. >> >> Well, that would work in exact artithmetic. But the code tries to >> work in floating point and this is source of nasty troubles. Also >> "normal" rounding mode for pinthing purpoose should be "round to nearest, >> even", which is more complicated than simple 'round'. >> >> -- >> Waldek Hebisch >> >> -- >> You received this message because you are subscribed to the Google Groups >> "FriCAS - computer algebra system" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/fricas-devel/ZqYg-wZwDpwrywkM%40fricas.org. -- You received this message because you are subscribed to the Google Groups "FriCAS - computer algebra system" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/fricas-devel/CAHnU2da1vtMC5V7wr_UshWPoHqMFR%2B218Nr_Wa1EsY65nFpRuw%40mail.gmail.com.
