On Fri, Sep 6, 2013 at 3:19 PM, Christophe Bal <[email protected]> wrote: > The fact that I''ve focused in my first message is that in asin(1/2) the > argument 1/2 is a float whereas in 1/2 + 7/3 it is seen has a fraction.
I don't understand --- for me 1/2 + 7/3 is a float as well: In [1]: 1/2 + 7/3 Out[1]: 2.83333333333 Can you provide the full code? Ondrej > > That shows a weakness of asin regarding to the addition. Don't you think > the same ? > > Le 6 sept. 2013 18:26, "Sergey B Kirpichev" <[email protected]> a écrit : > >> On Fri, Sep 06, 2013 at 05:28:05PM +0200, Joachim Durchholz wrote: >> > >1/2 is not an exact fraction. >> > >> > 0.5f does happen to be the exact fraction for 1/2. >> >> Yes. 1/2 = 0.5f (in python 2 we use "from __future__ import >> division"). And no, 0.5f is not an exact number, it's a float. >> >> -- >> 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. > > -- > 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. -- 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.
