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.
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.
