Apparently, I need to define avma as
global avma
(with that everything works fine). It is not clear to me why...
On 09/12/15 22:59, Vincent Delecroix wrote:
Hello,
I tried to use PARI inside some Cython code in Sage. Apparently, it is
not happy with the declaration of avma from paridecl (which is as
declared as "extern pari_sp avma").
The following compiles (with %runfile the_file.pyx)
{{{
from sage.libs.pari.paridecl cimport *
def test():
cdef pari_sp ltop = avma
}}}
But the following does not
{{{
from sage.libs.pari.paridecl cimport *
def test():
cdef pari_sp ltop = avma
avma = ltop
}}}
and ends up with
RuntimeError: Error converting ./test.pyx to C:
Error compiling Cython file:
------------------------------------------------------------
...
cdef pari_sp ltop = avma
^
------------------------------------------------------------
my_file.pyx:16:28: local variable 'avma' referenced before assignment
Where does come from the problem? Sage? Cython?
Thanks,
Vincent
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