#11868: PARI library interface broken by design
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Reporter: jdemeyer | Owner: was
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.13
Component: interfaces | Resolution:
Keywords: t0GEN t1GEN gen | Merged in:
Authors: Peter Bruin | Reviewers: Jeroen Demeyer
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #864, #9640, #10018 | Stopgaps:
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Comment (by pbruin):
For `__int__()`, I also experimented with first doing
{{{
#!python
cdef long i
try:
pari_catch_sig_on()
i = gtolong(self.g)
pari_catch_sig_off()
return i
except PariError: # overflow
pass
}}}
This gives a speedup of a factor about 2 if there is no overflow, but is
very slow if the exception occurs.
--
Ticket URL: <http://trac.sagemath.org/ticket/11868#comment:33>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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