Robert Dodier <robert.dodier at gmail.com> writes:
> OK, here is an even smaller example which triggers the bug:
> invert_by_lu (matrix ([v [0]]));
>
> The error is caused by a name collision: there is a special
> variable LB in src/grind.lisp (left bracket for arrays)
> and apparently the symbol LB in share/linearalgebra/lu.lisp
> refers to that same variable and clobbers it.
> Renaming LB in lu.lisp to FOO-LB avoids the error.
> I would have expected LB in lu.lisp to be a lexical variable; why not?
> best, Robert Dodier
Grepping shows it declared special in src/fortra.lisp. I haven't looked
further into why.
Rupert
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