#12103: Use MeatAxe as an optional back end for dense matrices over `GF(p^n)`, p
odd, n>1, `p^n<255`
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Reporter: SimonKing | Owner: jason, was
Type: defect | Status: needs_work
Priority: major | Milestone: sage-6.4
Component: packages: | Resolution:
experimental | Merged in:
Keywords: linear algebra, | Reviewers:
MeatAxe | Work issues:
Authors: Simon King | Commit:
Report Upstream: None of the above | 191477e697d5fb02c0e6bf7f8b80850e1092d4f6
- read trac for reasoning. | Stopgaps:
Branch: |
u/SimonKing/meataxe |
Dependencies: #19240 |
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Comment (by jdemeyer):
Replying to [comment:122 SimonKing]:
> In sage.libs.gap.util, the error handler sets an exception and signals
sig_error(). An alternative approach would be an error handler that just
sets an exception. If the meataxe functions are wrapped with an error
value (such as `cdef Matrix_t *MatInverse(Matrix_t M) except NULL`) then
this error would be raised, wouldn't it?
At least in theory, that would work. You do need to be sure that the
result is `NULL` '''if and only if''' the error handler was called. I
agree that it would be cleaner if you can make it work because that would
completely bypass the `sig_on()` system.
--
Ticket URL: <http://trac.sagemath.org/ticket/12103#comment:123>
Sage <http://www.sagemath.org>
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