with the sample file...
2015-02-25 14:18 UTC+01:00, Vincent Delecroix <[email protected]>:
> Hello,
>
> In the attached sample file I wrote a function that behaves well with
> KeyboardInterrupt exceptions but not with OverflowError. More
> concretely
>
> sage: %runfile sig_on.pyx
> sage: test(2**50,2**30) # Press Ctrl-C here
> ^C
> ...
> KeybordInterrupt
> sage: sig_on_count()
> 0
>
> So everything is looking fine... but
>
> sage: test(2**200, 2**100)
> Traceback
> ...
> OverflowError: long int too large to convert
> sage: sig_on_count()
> 1
>
> Is that the expected behavior?
>
> Vincent
>
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include "sage/ext/interrupt.pxi"
from sage.libs.gmp.mpz cimport mpz_bin_ui
from sage.rings.integer cimport Integer
def test(a,b):
cdef Integer aa = <Integer?> a
cdef Integer x = Integer.__new__(Integer)
sig_on()
mpz_bin_ui(x.value, aa.value, b)
sig_off()
return x
