#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,
Type: defect | was
Priority: major | Status:
Component: packages: experimental | needs_work
Keywords: linear algebra, MeatAxe | Milestone: sage-6.4
Authors: Simon King | Resolution:
Report Upstream: None of the above - read trac | Merged in:
for reasoning. | Reviewers:
Branch: | Work issues:
Dependencies: #9562 #4260 | Commit:
| Stopgaps:
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Comment (by SimonKing):
Thanks, "export" did the trick.
However, I am afraid that some of the reasons for massively patching
!MeatAxe 2.2.4 are still present in version 2.4.24:
- The environment variables MTXLIB and MTXBIN are ignored during build.
I.e., the library is put into ./tmp/, the binaries are put into ./bin/
Suggested solution: Let spkg-install move the created binaries and
libmtx.a to the desired location
- `make clean` doesn't work, as it also goes into the directory test/ and
calls `make clean` there---but there is no test/Makefile.
Not relevant here, as the build directory is deleted anyway.
- `make check` rebuilds everything in ./tmp/ and ./bin/ before testing.
Hence, the test suite actually does NOT test what is in
$SAGE_ROOT/local/lib and $SAGE_ROOT/local/bin.
Question on `make check`: Would it be OK to let spkg-install ALWAYS do
`make check`? Or should that be solely the job of spkg-check (with the
drawback that then spkg-check would rebuild meataxe)?
--
Ticket URL: <http://trac.sagemath.org/ticket/12103#comment:22>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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