Yes but the set of floats is not even a sub ring of the set of rational numbers.
2014-10-03 5:43 GMT+02:00 Richard Fateman <[email protected]>: > > > On Thursday, October 2, 2014 11:11:14 AM UTC-7, Christophe Bal wrote: >> >> And what about the following code ? >> >> The user of Sympy must know that types are different and so that the >> variable are not the same things. A float is not a rational. >> > > A float "type" is a different "type" from some other numbers, but in > fact every binary float > represents a particular rational number, of the form integer X > 2^integer. Just happens that > 1/3 as a rational number, is not a one of those binary floats. > > > > >> -- > 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. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/94b35738-f6ff-4e72-b82e-7fabed0bd6f8%40googlegroups.com > <https://groups.google.com/d/msgid/sympy/94b35738-f6ff-4e72-b82e-7fabed0bd6f8%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAAb4jG%3DUwEhRy_55NJi0Tx3RiXg7UN0fCBHJiJ6RQ5Dk0AUA%3Dw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
