cbouilla / spasm Goto Github PK
View Code? Open in Web Editor NEWa Sparse Direct Solver modulo p
License: GNU General Public License v3.0
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why does spasm_schur not take qinv as an argument?
It needs it anyway, and the caller necessarily knows it.
Rank of schur complement is wrong
The schur_complement utility applied to http://hpac.imag.fr/Matrices/Homology/shar_te2.b3.200200x200200.sms.gz computes a schur complement of size 39463 and of rank 36657. This is impossible, because the total number of pivots claimed to be found before that is 160737. This would make the total rank of the matrix 197394, while it's only 168310.
Assertion fails when compiled with gcc 10.2
After having updated my compiler to gcc 10.2 I'm running into a weird problem in the bench/rref binary: The assert on line 165 in bench/rref.c fails. A version of the same binary compiled with an older version (gcc 6.5) works without any problems.
update autoconf / automake scripts and/or switch to cmake
rank_hybrid persists when it finds zero pivots
This seems stupid.
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