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Markus Triska
2023-09-08 22:33:55 +02:00
parent 920e0c6b56
commit 182afe3b7d
1 changed files with 9 additions and 8 deletions
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17
src/lib/clpz.pl
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@@ -2142,16 +2142,17 @@ fds_sespsize([V|Vs], S0, S) :-
fds_sespsize(Vs, S2, S). fds_sespsize(Vs, S2, S).
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Optimisation uses destructive assignment to save the computed Optimisation uses the clause database to save the computed extremum
extremum over backtracking. Failure is used to get rid of copies of over backtracking. Failure is used to get rid of copies of
attributed variables that are created in intermediate steps. At attributed variables that are created in intermediate steps.
least that's the intention - it currently doesn't work in SWI:
%?- X in 0..3, call_residue_vars(labeling([min(X)], [X]), Vs). Example:
%@ X = 0,
%@ Vs = [_G6174, _G6177],
%@ _G6174 in 0..3
?- X in 1..3, call_residue_vars(labeling([min(X)], [X]), Vs).
%@ X = 1, Vs = []
%@ ; X = 2, Vs = []
%@ ; X = 3, Vs = []
%@ ; false.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
:- dynamic(extremum/1). :- dynamic(extremum/1).