On Monday, February 3, 2014 11:05:50 PM UTC+5:30, mario wrote: > > 5.2 is a Python floating point number (a double) represented as > 5854679515581645*2**(-50); > using Rational( '5.2' ) it is recognized as exactly 52/10 > > Isn't it better to have Rational(5.2) also store 26/5 , just like Rational( '5.2' ) does ? Is there a reason why it is left the way it is?
I can make a patch for this, if more people feel this way. > On Monday, February 3, 2014 4:37:56 PM UTC+1, Rajath Shashidhara wrote: >> >> >> Hello, >> >> I was checking out some SymPy code. >> I have a doubt - >> >> Rational( 5.2 ) returns 5854679515581645/1125899906842624 >> whereas, >> Rational( '5.2' ) returns 26/5 >> >> why is it so? >> >> Is is designed to work that way? >> >> -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sympy. For more options, visit https://groups.google.com/groups/opt_out.
