Comments (4)
from fricas.
I see I was blatantly incorrect about the nonexistence of permutation groups: they're in permgrps.spad
! It looks like it's using the now "old" original algorithm due to Sims. Even a small upgrade like Knuth's take on Schreier-Sims would be useful, but it also looks like it's perhaps not useful to import a third-party CL-PERMUTATION project.
I won't close this issue in case a maintainer would like to comment. (But of course they are welcome to close the issue.)
from fricas.
from fricas.
@hebisch I specifically mean Knuth's improvement on Schreier-Sims in his '91 paper here. I'll attempt to benchmark my code vs. FriCAS's. If I had to make a hunch, I'd say my code is probably faster, but I'll try measuring it. What do FriCAS folks usually use to benchmark functions?
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Related Issues (20)
- [mailing list] ")dis op groebner" error only in SBCL HOT 2
- sbcl build fails with "Heap exhausted, game over." HOT 1
- )edit without FRICASEDITOR set opens more in Xterm but closes immediately if a relative path is used HOT 4
- INSTALL: find: ‘target/x86_64-linux-gnu/doc’: No such file or directory HOT 2
- Assumption system? HOT 3
- [Feature Request]: Handle more C types in FriCAS FFI macros (fricas-lisp.lisp) HOT 1
- [compiler bug] type not properly checked
- OutputForm of float(i : Integer, j : Integer)
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- 1.3.10: Build fails without any particular error message in the end HOT 4
- would it make sense to teach Fricas about these simplifications involving `abs`? HOT 2
- Bad evaluation, for univariate polynomials, of 'x^2+2x+3' in the interpreter (should throw something) HOT 1
- compiler fails to reject a program HOT 4
- Strange characters in documentation HOT 2
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- sprintf region overruns HOT 1
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- HyperDoc is not closed if it is only started with the system command synonym ')hd'
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