On Friday, March 28, 2014 10:34:55 AM UTC+1, Ralf Stephan wrote: > > I would like to understand Sage behaviour better. I just found out that > Sage is different from Pari when it comes to user input of values: > > sage: Ei(1.1).n(100) > 2.1673782795634028985887198360 > sage: Ei(11/10).n(100) > 2.1673782795634028235837873423 > > while in Pari: > ? sin(1.1) > %1 = 0.89120736006143533995180257787170353832 > ? sin(11/10) > %2 = 0.89120736006143533995180257787170353832 > > What could be the reason to interpret the user input "1.1" as "real with > precision of 53 bits" instead of "short way of specfying 11/10"? > Programming convenience? If you say well then the user should say 11/10 if > she means it, this could be said as well with RealField(1.1), so what is > the reason for this convention? > > Regards, >
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