Silly Cython question

[Watson Ladd]

Dear all,

I want to convert code that uses calls like M=Matrix(QQ, n, n) and v=vector(QQ, n) to Cython. When I do so I get errors about undeclared names. I am having trouble figuring out which imports I need to get the right names to appear: there is sufficient magic that most of the obvious guesses produce runtime errors. The code of course works fine in regular Sage. Where should I be looking to figure out how to fix these problems?

Sincerely,
Watson ladd

[Jeroen Demeyer]

On 2017-02-21 22:02, Watson Ladd wrote:
> I am having trouble figuring out which imports I need to get the
> right names to appear

Use the import_statements() function to determine which import
statements you need. There shouldn't be a difference between Python and
Cython regarding import statements.

[Watson Ladd]

Thank you! That solved the problem. 

[John Cremona]

After newarly 10 years of work on Sage I did not know of
import_statements()! Just yesterday I was doing things like
search_src("import", "primes") when I could have just done
import_staements(primes).

Thanks, Jeroen.

>
>
> Thank you! That solved the problem.
>

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