Joris van Rantwijk
caac6825a6
Expand zero-dual blossom before assigning label T
2023-04-09 21:19:41 +02:00
Joris van Rantwijk
8d69a3316c
Minor fix language in docstring
2023-03-13 21:56:46 +01:00
Joris van Rantwijk
b144fd7cdd
Update graph generation script (skip huge graphs)
2023-03-12 12:29:00 +01:00
Joris van Rantwijk
bf7437b7ad
Add .gitignore
2023-03-12 12:17:38 +01:00
Joris van Rantwijk
b8391ea319
Pylint cleanups
2023-03-12 12:16:29 +01:00
Joris van Rantwijk
dd24776149
Add missing import statements
2023-03-11 22:00:38 +01:00
Joris van Rantwijk
ba28bbf7ca
Add missing type annotation
2023-03-11 17:32:49 +01:00
Joris van Rantwijk
5048bbaf99
Input has type Sequence[...] instead of list
2023-03-11 17:31:41 +01:00
Joris van Rantwijk
ce5ff2d581
Add test graphs
2023-02-25 16:50:36 +01:00
Joris van Rantwijk
80dd53c736
Add program for matching with LEMON
2023-02-22 23:20:51 +01:00
Joris van Rantwijk
1e81129476
Tool for testing and benchmarking
2023-02-22 23:20:43 +01:00
Joris van Rantwijk
37aa0c605b
Read from stdin when no input file specified
2023-02-22 23:20:43 +01:00
Joris van Rantwijk
83d9e37db6
Rename to test_mwmatching.py
2023-02-22 23:20:43 +01:00
Joris van Rantwijk
64851c98c5
Test that edge/vertex order is irrelevant
2023-02-22 23:20:17 +01:00
Joris van Rantwijk
71a7dfc9a3
Add generators: chain, hardcard.f, t.f, tt.f
2023-02-22 23:20:17 +01:00
Joris van Rantwijk
3f5d61d0e7
Rename Python module to "mwmatching"
2023-02-14 20:49:24 +01:00
Joris van Rantwijk
f0624fa2a5
Slightly rephrase docstring
2023-02-13 22:38:40 +01:00
Joris van Rantwijk
118007e953
Add testcases that are sensitive to specific bugs
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
8f81154169
Test coverage of verification routine
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
4dc7befd9d
Check that unmatched vertices have zero dual
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
be0f5c3881
Raise MatchingFailed when verify fails
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
f1a60febe7
Improve test coverage to 100%
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
fa524ce754
Simplify deletion of expanded blossoms
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
a1836a585f
Improve test coverage
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
a0ed8716ae
Remove distracting comment
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
38374e293f
Code to generate test graphs
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
4203b1e5cc
Optimize deletion of expanded blossoms
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
6d46a9d89a
Minor cleanups
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
8bef12559a
Improve performance of verification code
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
291d3ead8b
Mark static methods
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
d1b79c1cde
Clean up trace_alternating_paths()
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
f491d6dcec
Object oriented blossoms, first attempt
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
b42440784f
Clean up explicit-stack recursion
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
fc31657a56
Avoid redundant calls to edge_slack_2x()
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
14b5a032a7
Move least-slack edge tracking to separate class
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
0ad3020425
Use (x, y) instead of (i, j)
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
d063bbd45a
Merge StageData and PartialMatching
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
8950096df9
minor cleanup
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
4f62a15c06
Use (i, j) instead of (v, w)
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
0f7423e2b8
Simplify naming related to double weights
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
d4bfb712d2
Add a few tests for maximum cardinality
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
7617e68d59
Add command-line runner
2023-02-13 22:20:02 +01:00
Joris van Rantwijk
23c3e35865
Eliminate edges with negative weight
...
The base algorithm transparently ignores edges, but only if
the graph contains at least 1 edge with positive weight.
If ALL edges have negative weight, dual variables may be
initialized to negative values which leads to failure.
2023-02-13 22:17:48 +01:00
Joris van Rantwijk
99bc2912d8
Fix wrong assumption about subblossom labels
...
When a blossom forms, the labels of sub-blossoms do NOT strictly alternate between S and T when walking around the blossom.
2023-02-13 22:06:13 +01:00
Joris van Rantwijk
575d33c90f
Unit tests ported over from old code
...
These tests probably don't provide good coverage for the new code.
But it's a start.
2023-02-13 22:06:13 +01:00
Joris van Rantwijk
3a347e8edb
Rename Python module to max_weight_matching
2023-02-13 22:06:13 +01:00
Joris van Rantwijk
f76623dd5f
Fix bugs and cleanup
2023-02-13 22:05:08 +01:00
Joris van Rantwijk
5827c0ccfa
Fix multiple bugs and cleanup
2023-02-13 22:03:02 +01:00
Joris van Rantwijk
8d5087060f
Fix bug in trace_alternating_paths
2023-02-13 22:02:00 +01:00
Joris van Rantwijk
780ccd009d
Finished Python code - untested
2023-02-13 22:01:45 +01:00
Joris van Rantwijk