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Author SHA1 Message Date
Mark
63cbeb9a3c correct modulus bug (#2118, #2119) 2023-10-24 14:20:26 -06:00
Mark
773d3f81fd remove list remnants from stack iteration in printer when cyclic (#2131) 2023-10-24 14:10:11 -06:00
Mark
4ab3e23b1f fix cycle detection in lists by looking backward analogously to the same process for structures (#2130) 2023-10-24 12:23:05 -06:00
Mark
d588b18c39 correct LIS backward bug in cycle_detection.rs 2023-10-23 13:28:44 -06:00
Mark
97b899f4a3 add STOP_AT_CYCLES const parameter for CycleDetectingIter 2023-10-23 12:05:13 -06:00
Mark
6a913bc4cc use Deutsch-Schorr-Waite to implement acyclic_term/1 (#2128) 2023-10-21 21:47:29 -06:00
Mark
bf46c4b5c1 use topo_sort to correct acyclic_term (#2124, #2125) 2023-10-18 12:00:40 -06:00
Nicolas Luck
69a0725c30 Cleanup Cargo.toml 2023-10-17 22:09:34 +02:00
Nicolas Luck
0c9740fe52 Fix wasm warnings 2023-10-17 22:07:38 +02:00
Mark
43f0b6c28d fix cyclicity detection through variables (#2122, #2123) 2023-10-16 15:19:43 -06:00
Nicolas Luck
2776beb842 Use std::sync::RwLock instead of tokio::sync::RwLock (by @aarroyoc) 2023-10-16 14:59:06 +02:00
Nicolas Luck
d7fa6c0ade Fix signalling of success/failure (by @mthom) 2023-10-16 14:56:17 +02:00
Nicolas Luck
025412aac0 Revert "Remove unuse import" 
This reverts commit bfa7d3cf41.
 2023-10-16 14:55:38 +02:00
Nicolas Luck
bfa7d3cf41 Remove unuse import 2023-10-16 13:44:51 +02:00
Nicolas Luck
9990780b82 Merge branch 'master' into library-use-case 2023-10-16 13:43:26 +02:00
Mark
dff2e73842 more eagerly check for cyclicity of variables in cycle detecting stackless iterator (#2121) 2023-10-15 17:43:29 -06:00
Mark
e2000859b6 add backward looking cyclicity check for variables in cycle detecting stackless iterator (#2111, #2117) 2023-10-15 13:07:41 -06:00
Mark
3a6aee72a3 correct is_cyclic again for non-variable ref cells (#2116) 2023-10-15 01:28:42 -06:00
Mark
3fb2e451a2 improve cycle detection in detect_list_cycles (#2111) 2023-10-15 00:58:19 -06:00
Mark
7875b96956 simplify stackless iterator is_cyclic (#2111) 2023-10-14 23:56:46 -06:00
Mark
d96c9e00b7 correct more acyclic_term/1 issues (#2111, #2114), add acyclic_term tests 2023-10-14 18:38:10 -06:00
Mark
379c252b89 correct cyclic variable check in cycle detecting stackless iterator (#2111, #2113) 2023-10-14 14:03:47 -06:00
Mark
307cb56ef5 fix bugs & incompleteness of cycle-detecting stackless iterator (#2111) 2023-10-14 13:00:58 -06:00
notoria
62e6ca02f9 Reify (^)/2 
Like (/)/2, (^)/2 can fail in cases such as 0 #==> X #= 2^(-1), where success is expected.
 2023-10-14 12:11:24 -06:00
notoria
c6fcbe20e1 Trigger propagator for popcount/1 2023-10-14 12:11:24 -06:00
notoria
a1b71f0440 Trigger propagator for sign/1 2023-10-14 12:11:24 -06:00
notoria
dc08c26d9f Trigger propagator for (xor)/2 2023-10-14 12:11:24 -06:00
Mark
669023914a add bounds checks for stackless iterator (#2110) 2023-10-14 12:11:22 -06:00
Mark
e4a677ceea detect all cycles in roughly linear time and constant space (#2102) 2023-10-13 18:05:52 -06:00
Mark
8aadc99f1d fix bugs in marker algorithm iterator 2023-10-13 14:38:50 -06:00
Mark
1ea397a807 correct (mod)/2 (#2103, #2107) 2023-10-13 14:33:50 -06:00
Mark Thom
b348f54c33 Merge pull request #2105 from triska/morphing_propagators 
ENHANCED: Omit unnecessary residual constraints in disentailed reified (//)/2
 2023-10-12 19:10:54 -06:00
Markus Triska
721cf20cf7 shift morphing to the more general p/2 case 2023-10-12 23:32:04 +02:00
Markus Triska
6ed9a99832 ENHANCED: Omit unnecessary residual constraints in disentailed reified (//)/2 
Example:

    ?- #\ 0#=(Y// -1)/0.
    %@    clpz:(Y in inf..sup).

This addresses #2104.
 2023-10-12 23:32:04 +02:00
Mark
1163d14ea1 fix control construct bugs, iter indentation (#947) 2023-10-11 12:41:45 -06:00
Mark
b83631fb20 Merge branch 'master' of ssh://github.com/mthom/scryer-prolog 2023-10-11 10:11:50 -06:00
Mark
902b08e657 follow marked variables to end in eager_stackful_iter (#2100, #2101) 2023-10-10 20:45:08 -06:00
Mark
b5fdde08aa follow marked variables to end in eager_stackful_iter (#2100, #2101) 2023-10-10 16:03:12 -06:00
Mark Thom
4962c3df11 Merge pull request #2098 from triska/morphing_propagators 
Queue morphed propagators to give them a chance for propagation
 2023-10-10 14:57:00 -06:00
Markus Triska
8de3498e07 use round brackets around operators to form valid Prolog terms 2023-10-10 21:32:45 +02:00
Markus Triska
26fdf83a48 update comment to reflect the used propagators 2023-10-10 21:32:45 +02:00
Markus Triska
32af047925 remove definition and calls of do_queue/0, which has become a NOP 2023-10-10 21:32:45 +02:00
Markus Triska
282633c877 ENHANCED: Queue morphed propagators to give them a chance for propagation. 
This addresses #2096:

    ?- B in -2..0, 0#<==>0#=0/(B*B),labeling([],[B]).
       B = 0.

    ?- A#<==>A#=A/A^2,A=0.
       A = 0.
 2023-10-10 21:32:45 +02:00
Mark
77de570aa4 report pre-marked values from eager stackful iterator (#2097) 2023-10-10 12:56:27 -06:00
Mark Thom
c9df19ca30 Merge pull request #2094 from triska/unary_minus 
ENHANCED: use (+)/2 to express unary minus
 2023-10-09 15:06:09 -06:00
Markus Triska
7c1cd18a06 Z --> Y 2023-10-09 23:13:09 +02:00
Mark Thom
0ca2356be5 Merge pull request #2092 from triska/morphing_pexp 
attach the propagator to Y
 2023-10-09 15:05:59 -06:00
Markus Triska
8329d222cb ENHANCED: use (+)/2 to express unary minus 
This makes answers a bit shorter and more readable.

Example:

    ?- X #= -Y.
       clpz:(X+Y#=0).

This addresses #2058.
 2023-10-09 22:59:51 +02:00
Markus Triska
1c3df1cdd7 attach the propagator to Y 2023-10-09 21:55:39 +02:00
Mark Thom
b149805b9e Merge pull request #2091 from triska/morphing_pexp 
ENHANCED: Omit projection of morphed (^)/2 in disentailed constraints.
 2023-10-09 13:43:25 -06:00