The closest I can get is "foo in RR". This fails for CC(2.3, 0), but I 
consider that to be a real number.

Best,
Travis

On Monday, September 19, 2016 at 9:37:18 AM UTC-5, Jeroen Demeyer wrote:
>
> Hello, 
>
> is there a simple way to check in Sage that something is a real number 
> in some form? That is, I am looking for a predicate which returns True 
> on all the following things: 
>
> int(2) 
> ZZ(2) 
> float(2.3) 
> QQ(23/10) 
> RR(2.3) 
> RDF(2.3) 
> SR(2.3) 
> 2*pi 
>
> but not on things like 
>
> "2.3" 
> CC(2.3, 0) 
> SR.symbol("x") 
>

-- 
You received this message because you are subscribed to the Google Groups 
"sage-devel" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to sage-devel+unsubscr...@googlegroups.com.
To post to this group, send email to sage-devel@googlegroups.com.
Visit this group at https://groups.google.com/group/sage-devel.
For more options, visit https://groups.google.com/d/optout.

Reply via email to