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56 Commits

Author SHA1 Message Date
Markus Triska
196e9c1e47 DOC: teletype font for reification 2023-02-03 20:47:08 +01:00
Markus Triska
da4c0a359b correct DocLog ~/.scryerrc rendering 2023-02-01 23:26:52 +01:00
Markus Triska
95278c221b DOC: use valid Prolog terms as predicate indicators 2023-01-29 21:48:22 +01:00
Markus Triska
814b631543 use DocLog syntax for section anchors and links within the document 2023-01-28 17:37:43 +01:00
Markus Triska
0d8c7f8785 small documentation adjustments 2023-01-28 17:37:43 +01:00
Markus Triska
5bae8fcaf8 FIXED: use lsb/2 and msb/2 from library(arithmetic) 
This addresses #1720.
 2023-01-28 17:37:43 +01:00
Mark Thom
df266378c4 Merge pull request #1689 from triska/clpb_doc 
DOC: preliminary CLP(B) documentation in DocLog format
 2023-01-24 22:51:35 +01:00
Markus Triska
1c08b56e05 strengthen reified division for divisor == 1 2023-01-24 22:15:05 +01:00
Markus Triska
909f2e1058 DOC: improve CLP(ℤ) DocLog documentation 2023-01-24 20:39:47 +01:00
Markus Triska
f213956ceb use (#)/1 2023-01-11 17:23:53 +01:00
Markus Triska
c5caa9d311 ADDED: sign/1 is now reifiable. 
This addresses #1500.
 2023-01-11 17:22:38 +01:00
Markus Triska
542b9e1976 rely on newly available operator notation for (#)/1 2023-01-10 22:59:11 +01:00
Markus Triska
73a1ee59fa replace several more instances of ?/1 by (#)/1 2023-01-10 22:57:14 +01:00
Markus Triska
2771109427 use (#)/1 already internally for describing constraint projections 2023-01-10 22:50:38 +01:00
Markus Triska
cc420bd31a FIXED: reification of (xor)/2. 
Example:

    ?- A #= 1 xor 0 #<==> R.
    %@    clpz:(A#=1#<==>R), clpz:(R in 0..1).
 2023-01-10 22:09:41 +01:00
Markus Triska
2fe1d2ef53 FIXED: correctly reify (/)/2. 
Example:

    ?- 0 #==> X #= 1/2.
    %@    clpz:(X in inf..sup)
    %@ ;  false.

This addresses #1501.
 2023-01-10 17:35:43 +01:00
Markus Triska
d91ee5b77c FIXED: CLP(ℤ): Correctly remove all attributes during propagation of all_distinct/1 and other global constraints. 
The constraints from library(clpz) were already correctly removed, but
others such as pending freeze/2 goals were not, potentially leading to
an accumulation of redundant constraints during propagation.

Test case:

   ?- freeze(A,(X=1;X=2)), all_distinct([A]), A = 1.
      A = 1, X = 1
   ;  A = 1, X = 2.

The combination of freeze/2 and CLP(ℤ) is useful for example when
creating animations of search processes.

This addresses #1624.
 2022-10-26 23:36:07 -06:00
Markus Triska
7c96b91663 remove nth1/3, which is now provided by library(lists) 2022-10-26 23:36:07 -06:00
Markus Triska
c7caf6b7a9 ENHANCED: CLP(ℤ): Reduce redundant propagator invocations during all_distinct/1 filtering 
First, the current propagator is now logged and not re-triggered
during filtering. Second, and more significantly, all neq_num/2
constraints are scheduled and processed before more global constraints
are invoked. In this way, all the distilled information can be taken
into account by subsequently invoked global constraints.

These changes yield a 3-fold improvement in several Sudoku instances,
and a significant runtime reduction in social golfer instance 8-4-9.
 2022-10-26 23:36:07 -06:00
Markus Triska
4422ffe39f add meta_predicate/1 declarations 2022-10-26 23:36:07 -06:00
Mark Thom
1ff52f70aa resolve phrase modules internally (#1541) 2022-10-26 23:36:07 -06:00
Mark Thom
1ffbf63d20 inline metacalls 2022-10-26 23:36:07 -06:00
Markus Triska
d58dd7cc91 ADDED: sign/1 2022-05-05 22:51:49 +02:00
Markus Triska
7e06abebd5 remove comment that seems no longer valid 2022-05-05 22:51:49 +02:00
Mark Thom
2d19243b3b Merge branch 'rebis-dev' into 0.9.0 release
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2022-03-06 09:45:05 -07:00
Mark Thom
8df346f377 expand phrase/{2,3} using dcg_body whenever possible 2022-01-21 08:10:55 -07:00
Jos De Roo
1a4f8f992b Update clpz.pl 
While running with scryer-prolog the resource control file should be ~/.scryerrc
 2022-01-17 22:35:31 +01:00
Markus Triska
3e7cd24814 address #995: wrong results for popcount/1 
Many thanks to @notoria and @flexoron for very useful test cases!
 2021-06-21 21:19:37 +02:00
Markus Triska
ee393c66dd ADDED: popcount(+Integer) 
Example:

    ?- X #= popcount(3+5).
       X = 1.

This builds on #986 provided by @Regan-Koopmans. Many thanks!
 2021-06-17 20:18:36 +02:00
Markus Triska
066f740819 check for correct domain of integers in reifiable expressions also in the expanded code 
This is to preserve domain errors instead of failing silently. Example:

   ?- 5 #> 3 #<==> 2.
   %@ caught: error(domain_error(clpz_reifiable_expression,2),unknown(2)-1)
 2021-06-03 22:57:58 +02:00
Markus Triska
fc8d33a98a ENHANCED: Goal expansion for reified constraints. 
Used in package precautionary by @dcnorris.
 2021-06-03 20:26:44 +02:00
Markus Triska
581e055359 FIXED: correct propagation of tuples_in/2 (#929) 
Many thanks to @notoria for producing a very short test case.
 2021-05-13 21:48:43 +02:00
Markus Triska
38db8d4e1a FIXED: module qualification for between/3 in goal expansion (#941) 
Many thanks to @dcnorris for reporting this issue!
 2021-05-09 23:54:37 +02:00
Markus Triska
f56e2fc48e remove rectractall/1 (built-in since 8188e3d0cf). 
This resolves #899.
 2021-04-14 20:18:50 +02:00
Mark Thom
bc2d0191ff Merge pull request #861 from notoria/mod 
Small improvement for mod in CLP(Z)
 2021-03-10 13:52:48 -07:00
notoria
93b835ae0d Use functional notation in CLP(Z) for compatibility 2021-03-07 20:59:25 +01:00
notoria
aa2d57cf37 Implemented a propagator for xor in CLP(Z) 2021-03-07 18:52:10 +01:00
notoria
f6d4821a68 Small improvement for mod in CLP(Z) 2021-03-07 18:38:04 +01:00
Markus Triska
5b60c8aa7e remove min_/3 and max_/3 which are also defined elsewhere 2021-03-02 19:59:57 +01:00
Markus Triska
aecbd0eda3 omit internal residual goals for global_cardinality/2 2021-02-25 23:12:36 +01:00
Markus Triska
2c1b7e3b14 remove unused attribute_goal/2 2021-02-25 23:12:36 +01:00
Markus Triska
a228e46a39 ENHANCED: Enable goal expansion for CLP(ℤ). 
This is now possible since #445 is resolved.
 2021-02-05 21:06:08 +01:00
Markus Triska
81913a5987 Revert "preliminary workaround for #788" 
This reverts commit 164b993064,
which was made obsolete by 75a52f032b.
 2021-02-05 20:59:47 +01:00
Markus Triska
164b993064 preliminary workaround for #788 
This change can be reverted once the issue is resolved.
 2021-02-04 20:48:09 +01:00
Markus Triska
b96ff781bc add meta_predicate declaration for must_succeed/1 2021-02-03 23:49:28 +01:00
Markus Triska
24e6c31c44 add meta_predicate declaration for with_local_attributes/3 
This is needed for all_distinct/1 etc.

Example:

    ?- all_distinct([X,Y,Z]).
       clpz:all_distinct([X,Y,Z])
    ;  false.
 2021-02-03 23:45:21 +01:00
Markus Triska
ae66e299e6 Use term expansion for generated predicates. 2021-02-03 15:21:39 -07:00
Markus Triska
41a751e7f5 ADDED: Provisional support for (#=)/3 and (#<)/3. 
These predicates are intended for constructs from library(reif), such
as if_/3. For the time being, they are defined here. If you have any
recommendations or comments regarding the best location of these
predicates, or need more of them, please file an issue.

Suggested by @Qqwy in https://github.com/triska/clpz/issues/12.

Many thanks!
 2020-11-08 09:26:50 +01:00
notoria
0724c044d6 Use nonterminal fd_put//3 in mod from clpz 2020-08-15 17:56:07 +02:00
notoria
bed4afe74f Simplified the code 2020-08-15 17:39:34 +02:00