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26 Commits

Author SHA1 Message Date
Markus Triska
333d6740ae Revert "FIXED: CLP(B): Delay BDD restriction until after the instantiation." 
This reverts commit e185b626bd.

This change is now no longer needed, and the underlying issue is
apparently somewhere else entirely. See the description at:

    https://github.com/mthom/scryer-prolog/issues/2732

Current master behaves differently from Scryer as it was at
099d9aaca6 (i.e., preceding
the commit that is now being reverted), even on the same file.

For an example, see:

    dd41176b97

Scryer now works as expected, and compatibly with SICStus. We still
need to find out what fixed the root cause of this issue.
 2025-01-02 18:02:38 +01:00
Markus Triska
abe1f37167 introduce and use weighted_maybe/2 
Many thanks to @hurufu for the very nice definition!

This is until library(random) provides this functionality,
and a good name is found for it. See #2670.
 2024-12-08 21:33:03 +01:00
Markus Triska
665f319a0e no longer use (->)//2, since it is implementation defined 
This addresses #2304.
 2024-01-23 21:42:36 +01:00
Adrián Arroyo Calle
45abb4703d Fix backslash docs 2023-12-16 19:01:39 +01:00
Markus Triska
85cc4a80d0 remove code that is not needed in Scryer Prolog 2023-09-09 07:46:01 +02:00
Markus Triska
6fe85c5779 remove more attributes so that they do not appear in residual goals 2023-09-09 07:46:01 +02:00
Markus Triska
b38a56e7d3 move compatibility predicates and meta_predicate/1 declarations so that they are correctly taken into account 2023-09-09 07:46:01 +02:00
Markus Triska
ec67752db4 shorter partition/5, relying on first instantiated argument indexing 2023-09-09 07:32:06 +02:00
Markus Triska
ad4c17fbb6 add meta_predicate/1 declaration for include/3 and exclude/3 2023-09-09 07:32:06 +02:00
Markus Triska
672979c515 shorter include/3 and exclude/3, relying on improved indexing 2023-09-09 07:32:06 +02:00
Markus Triska
efcc2b81cd add licensing information, addressing part of #1798 2023-09-09 07:32:06 +02:00
Markus Triska
85f4bdbe0b update answer 2023-09-03 22:01:38 +02:00
Markus Triska
1257ba165f untabify 2023-09-03 21:57:51 +02:00
Markus Triska
1c33d2a2ed remove clpb_max/1 attribute for residual goal projection 
Example:

    ?- sat(A+B), weighted_maximum([1,1], [A,B], Max).
       A = 1, B = 1, Max = 2.
 2023-09-03 21:56:15 +02:00
Markus Triska
2a1b8f37ec remove residual goal for ground BDD 
Example:

    ?- sat(X).
       X = 1.
 2023-04-23 09:23:00 +02:00
Markus Triska
669242a8ce DOC: update residual goals 2023-02-23 00:10:36 +01:00
Markus Triska
6cb8020f62 DOC: add CLP(B) documentation in DocLog format 2023-01-24 22:15:05 +01:00
Adrián Arroyo Calle
46d1e3bee3 Migrate from Markdown to Djot 2023-01-19 21:15:25 +01:00
Mark Thom
1ffbf63d20 inline metacalls 2022-10-26 23:36:07 -06:00
Markus Triska
0fb74b56b3 FIXED: CLP(B): weighted_maximum/3 with repeated variables 
Many thanks to @jburse for reporting this issue:

    https://github.com/triska/clpz/issues/15

Example:

    ?- sat(~(Y*X)), sat(Z=:=Y), weighted_maximum([7,2,5],[X,Y,Z],W).
       W = 7, Y = 0, X = 1, Z = 0
    ;  W = 7, Y = 1, X = 0, Z = 1
    ;  false.
 2021-03-05 18:35:19 +01:00
Markus Triska
87abcd6a52 adapt comment to Scryer Prolog 2021-03-05 18:16:38 +01:00
Markus Triska
8c5a688566 remove group_pairs_by_key/2, which is now provided by library(pairs) 2021-03-02 19:58:20 +01:00
Mark Thom
a4d15bfb88 move to a predicate-based module system, move to loader.[rs|pl]-based compilation, add support for incremental clause compilation 2021-01-30 21:07:51 -07:00
Markus Triska
e185b626bd FIXED: CLP(B): Delay BDD restriction until after the instantiation. 
This is necessary to actually take the new value into account.

Example:

    ?- sat(A*B>=C*D), A=1,B=0,C=1,D=1.
    false.

This addresses #670.
 2020-08-12 19:51:25 +02:00
Markus Triska
ad8e2ad4f6 omit internal attributes in residual goals when using taut/2 
Examples:

    ?- taut(X=:=X,1).
       clpb:sat(X=:=X)
    ;  false.

    ?- taut(X=\=X,0).
       clpb:sat(X=:=X)
    ;  false.
 2020-08-11 20:49:10 +02:00
Mark Thom
33325f1574 remove vestigial prolog/ directory (#444) 2020-06-12 18:26:38 -06:00