You are right. This is a bug in FriCAS itself. I did not change "I" to "%i" when I tried it before.
Should I then close the bug report I opened in sagemath about this in this case? Or if you like to close it yourself, that is fine also. Thanks --Nasser On Sunday, January 19, 2020 at 3:44:06 PM UTC-6, Martin R wrote: > > Actually, this is a proper bug in FriCAS, because the translation of your > integral is > > integrate((%i*a*tan(d*x + c) + a)*sec(d*x + c)^10, x) > > (note the "%i" instead of "I", which is FriCAS' complex unity, "I" is just > any other variable for FriCAS) > > The result of the above integral is > > >> System error: > arithmetic error DIVISION-BY-ZERO signalled > Operation was /, operands (2199023255552 0). > > which cannot be handled by the sage FriCAS interface at the moment. > > I believe a similar problem was reported before, but maybe this one is > easier to fix. > > Martin > > Am Sonntag, 19. Januar 2020 20:36:02 UTC+1 schrieb Nasser M. Abbasi: >> >> fyi; >> >> I noticed many more FriCAS integrals tests fail in sagemath 8.9 due to >> still some interface issue between Sagemath and FriCAS. This affects result >> of FriCAS integration test. >> >> Entered new bug here https://trac.sagemath.org/ticket/29043 >> >> "NotImplementedError: the translation of the FriCAS object sage2 to sage >> is not yet implemented" >> >> If someone here knows anything about this or also works in sagemath may >> be they can help fix it. This should make FriCAS result better in the future >> as I use sagemath to run FriCAS integration tests. >> >> I do not know how to do the test directly using FriCAS only, as I do not >> know FriCAS programming well enough >> to implement script for it. >> >> --Nasser >> >> >> >> -- 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/b165816e-4c71-4384-be63-3d990eac2f59%40googlegroups.com.
