Its bad practice in Python to depend explicitly on the specific type. You
should implement your algorithm such that it does not matter if the type is
exactly a Sage integer or just something that behaves like an integer:
try:
... do something ...
except ValueError:
... not an integer? ...
The second-best solution is to see if it is something that can be converted
into ZZ:
sage: 5 in ZZ
True
sage: 5/2 in ZZ
False
The worst solution is to look directly at the type:
sage: isinstance(5, sage.rings.integer.Integer)
True
On Wednesday, May 1, 2013 12:33:16 PM UTC+1, Abhishek Kumar wrote:
>
> Hello All,
>
> I am a new user of SAGE. I need to know how to control flow of how to
> control execution according to data type. As in a given loop I want to
> execute loop further only if variable is of a integer type.
>
>
> On Tue, Apr 23, 2013 at 9:51 PM, Felix Wellen
> <[email protected]<javascript:>
> > wrote:
>
>> With "backend='ppl', base_ring=QQ" it works!
>>
>> Thanks again ;)
>>
>> Am Dienstag, 23. April 2013 14:10:26 UTC+2 schrieb Volker Braun:
>>>
>>> This is now http://trac.sagemath.org/14479 (needs review)
>>>
>>>
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