Thu, 13 Nov 2008 16:17:50 +0000Various improvements in NetworkSimplex.
kpeter [Thu, 13 Nov 2008 16:17:50 +0000] rev 2630
Various improvements in NetworkSimplex.

- Faster variant of "Altering Candidate List" pivot rule using make_heap
instead of partial_sort.
- Doc improvements.
- Removing unecessary inline keywords.

Thu, 13 Nov 2008 15:29:04 +0000Improved constructors for min cost flow classes
kpeter [Thu, 13 Nov 2008 15:29:04 +0000] rev 2629
Improved constructors for min cost flow classes
Removing the non-zero lower bounds is faster

Thu, 13 Nov 2008 10:54:42 +0000Improve tree update procedure in NetworkSimplex
kpeter [Thu, 13 Nov 2008 10:54:42 +0000] rev 2628
Improve tree update procedure in NetworkSimplex
The new method updates a smaller subtree (fixing a bug) and shifting the
potentials with a costant value.

Fri, 07 Nov 2008 20:15:10 +0000Backport doxygen options for version 1.5.7 from [9194a12c52e6]
kpeter [Fri, 07 Nov 2008 20:15:10 +0000] rev 2627
Backport doxygen options for version 1.5.7 from [9194a12c52e6]

Thu, 23 Oct 2008 16:49:06 +0000Adapt the doc generation to the hg repo
alpar [Thu, 23 Oct 2008 16:49:06 +0000] rev 2626
Adapt the doc generation to the hg repo

Wed, 15 Oct 2008 12:04:11 +0000Major improvement in the cost scaling algorithm
kpeter [Wed, 15 Oct 2008 12:04:11 +0000] rev 2625
Major improvement in the cost scaling algorithm

- Add a new variant that use the partial augment-relabel method.
- Use this method instead of push-relabel by default.
- Use the "Early Termination" heuristic instead of "Price Refinement".

Using the new method and heuristic the algorithm proved to be
2-2.5 times faster on all input files.

Wed, 08 Oct 2008 09:17:01 +0000Bug fixes is HaoOrlin and MinCostArborescence
deba [Wed, 08 Oct 2008 09:17:01 +0000] rev 2624
Bug fixes is HaoOrlin and MinCostArborescence

MinCostArborescence
- proper deallocation
HaoOrlin
- the target needn't to be the last in its bucket
- proper size of container (if each node starts in different buckets initially)

Mon, 06 Oct 2008 15:08:17 +0000Add missing pointer initializing in min cost flow classes
kpeter [Mon, 06 Oct 2008 15:08:17 +0000] rev 2623
Add missing pointer initializing in min cost flow classes

Sun, 05 Oct 2008 20:08:13 +0000Fix _setCoeff
deba [Sun, 05 Oct 2008 20:08:13 +0000] rev 2622
Fix _setCoeff

Sun, 05 Oct 2008 13:46:07 +0000Bug fix in min_cost_flow_test.cc
kpeter [Sun, 05 Oct 2008 13:46:07 +0000] rev 2621
Bug fix in min_cost_flow_test.cc

Sun, 05 Oct 2008 13:37:17 +0000Doc improvements
kpeter [Sun, 05 Oct 2008 13:37:17 +0000] rev 2620
Doc improvements

Sun, 05 Oct 2008 13:36:43 +0000Improve network simplex algorithm
kpeter [Sun, 05 Oct 2008 13:36:43 +0000] rev 2619
Improve network simplex algorithm

- Remove "Limited Search" and "Combined" pivot rules.
- Add a new pivot rule "Altering Candidate List".
- Make the edge selection faster in every pivot rule.
- Set the default rule to "Block Search".
- Doc improvements.

The algorithm became about 15-35 percent faster on various input files.
"Block Search" pivot rule proved to be by far the fastest on all inputs.

Fri, 19 Sep 2008 15:14:41 +0000G++-4.3 compatibility changes
deba [Fri, 19 Sep 2008 15:14:41 +0000] rev 2618
G++-4.3 compatibility changes

Tue, 22 Jul 2008 11:29:57 +0000Backport bug fix for Id handling from hg changeset [e67acd83a9ca]
deba [Tue, 22 Jul 2008 11:29:57 +0000] rev 2617
Backport bug fix for Id handling from hg changeset [e67acd83a9ca]

Tue, 22 Jul 2008 11:20:06 +0000Back port bug fix from hg changeset [0915721396dc]
deba [Tue, 22 Jul 2008 11:20:06 +0000] rev 2616
Back port bug fix from hg changeset [0915721396dc]

Wed, 02 Jul 2008 12:37:47 +0000Fix bug caused by m4 consuming pairs of square brackets (#108).
ladanyi [Wed, 02 Jul 2008 12:37:47 +0000] rev 2615
Fix bug caused by m4 consuming pairs of square brackets (#108).

Fri, 27 Jun 2008 06:37:14 +0000Update the version number
alpar [Fri, 27 Jun 2008 06:37:14 +0000] rev 2614
Update the version number

Fri, 13 Jun 2008 09:51:45 +0000Back porting hg commit 81563e019fa4
deba [Fri, 13 Jun 2008 09:51:45 +0000] rev 2613
Back porting hg commit 81563e019fa4

Tue, 10 Jun 2008 11:36:17 +0000Bug fix initialization
deba [Tue, 10 Jun 2008 11:36:17 +0000] rev 2612
Bug fix initialization
The std::numeric_limits<double>::min() means the smallest positive number,
and not the smallest number in the whole range of double.

Sun, 25 May 2008 16:35:05 +0000Fixing bug in named parameters (Back port bug fix of ticket #95)
deba [Sun, 25 May 2008 16:35:05 +0000] rev 2611
Fixing bug in named parameters (Back port bug fix of ticket #95)

Fri, 23 May 2008 10:55:41 +0000Bug fix full graph problam
deba [Fri, 23 May 2008 10:55:41 +0000] rev 2610
Bug fix full graph problam

Fri, 16 May 2008 12:28:23 +0000Fixing lp constraints (solving ticket #92)
deba [Fri, 16 May 2008 12:28:23 +0000] rev 2609
Fixing lp constraints (solving ticket #92)

Sat, 19 Apr 2008 13:04:51 +0000Avoid warning in random.h (backport of chgset 4790635473ef from lemon-1.0) lemon-0.7
alpar [Sat, 19 Apr 2008 13:04:51 +0000] rev 2608
Avoid warning in random.h (backport of chgset 4790635473ef from lemon-1.0)

Thu, 17 Apr 2008 21:46:06 +0000Remove SspMinCostFlow, since it is fully replaced by other classes.
kpeter [Thu, 17 Apr 2008 21:46:06 +0000] rev 2607
Remove SspMinCostFlow, since it is fully replaced by other classes.

Thu, 17 Apr 2008 21:28:21 +0000Revert mistaken changes in NEWS file.
kpeter [Thu, 17 Apr 2008 21:28:21 +0000] rev 2606
Revert mistaken changes in NEWS file.

Tue, 08 Apr 2008 16:01:28 +0000Bug fixes in LP solvers
deba [Tue, 08 Apr 2008 16:01:28 +0000] rev 2605
Bug fixes in LP solvers
- the copyLp is clarified
- newLp and copyLp gives back pointers
- cplex gives back empty string for variables without name
- cplex row and column retrieval
- added macro for soplex

Tue, 08 Apr 2008 15:16:16 +0000Fix Makefile.am
deba [Tue, 08 Apr 2008 15:16:16 +0000] rev 2604
Fix Makefile.am

Tue, 08 Apr 2008 14:43:44 +0000Small fixes in NEWS file
kpeter [Tue, 08 Apr 2008 14:43:44 +0000] rev 2603
Small fixes in NEWS file

Tue, 08 Apr 2008 11:39:40 +0000Rel.07 NEWS - 3. round
hegyi [Tue, 08 Apr 2008 11:39:40 +0000] rev 2602
Rel.07 NEWS - 3. round

Tue, 08 Apr 2008 11:38:17 +0000Rel.07 NEWS - 2. round
hegyi [Tue, 08 Apr 2008 11:38:17 +0000] rev 2601
Rel.07 NEWS - 2. round

Mon, 07 Apr 2008 16:28:20 +0000NEWS file updated for Release 0.7
hegyi [Mon, 07 Apr 2008 16:28:20 +0000] rev 2600
NEWS file updated for Release 0.7

Thu, 03 Apr 2008 12:06:48 +0000Serious bugfix in Random::gamma()
alpar [Thu, 03 Apr 2008 12:06:48 +0000] rev 2599
Serious bugfix in Random::gamma()
Backport from hg b6bede534255

Tue, 25 Mar 2008 16:28:06 +0000Minor bug fix
deba [Tue, 25 Mar 2008 16:28:06 +0000] rev 2598
Minor bug fix

Thu, 20 Mar 2008 16:57:12 +0000Correcting broken repo
deba [Thu, 20 Mar 2008 16:57:12 +0000] rev 2597
Correcting broken repo

Thu, 20 Mar 2008 16:25:47 +0000Back porting commit 81563e019fa4
deba [Thu, 20 Mar 2008 16:25:47 +0000] rev 2596
Back porting commit 81563e019fa4

Thu, 20 Mar 2008 11:38:01 +0000Bug fix for not connected graphs
deba [Thu, 20 Mar 2008 11:38:01 +0000] rev 2595
Bug fix for not connected graphs

Fri, 14 Mar 2008 14:50:04 +0000Executable property removed
deba [Fri, 14 Mar 2008 14:50:04 +0000] rev 2594
Executable property removed

Fri, 07 Mar 2008 00:24:23 +0000Fix static member initializations (ticket #30).
kpeter [Fri, 07 Mar 2008 00:24:23 +0000] rev 2593
Fix static member initializations (ticket #30).

Sun, 02 Mar 2008 22:55:27 +0000Revert to long long int since currently I don't know a better solution.
ladanyi [Sun, 02 Mar 2008 22:55:27 +0000] rev 2592
Revert to long long int since currently I don't know a better solution.

Sat, 01 Mar 2008 20:09:40 +0000In C++98 array size shall be an integral constant expression. Fixes
ladanyi [Sat, 01 Mar 2008 20:09:40 +0000] rev 2591
In C++98 array size shall be an integral constant expression. Fixes
ticket 12.

Sat, 01 Mar 2008 20:07:29 +0000There is no 'long long int' type in C++98 (only in C99).
ladanyi [Sat, 01 Mar 2008 20:07:29 +0000] rev 2590
There is no 'long long int' type in C++98 (only in C99).

Fri, 29 Feb 2008 16:09:29 +0000Bug fix in CapacityScaling.
kpeter [Fri, 29 Feb 2008 16:09:29 +0000] rev 2589
Bug fix in CapacityScaling.

Fri, 29 Feb 2008 15:57:52 +0000Small improvements in min cost flow files.
kpeter [Fri, 29 Feb 2008 15:57:52 +0000] rev 2588
Small improvements in min cost flow files.

Fri, 29 Feb 2008 15:55:39 +0000External flow and potential maps can be used in MinCostMaxFlow.
kpeter [Fri, 29 Feb 2008 15:55:39 +0000] rev 2587
External flow and potential maps can be used in MinCostMaxFlow.

Fri, 29 Feb 2008 15:55:13 +0000Reimplemented Suurballe class.
kpeter [Fri, 29 Feb 2008 15:55:13 +0000] rev 2586
Reimplemented Suurballe class.

- The new version is the specialized version of CapacityScaling.
- It is about 10-20 times faster than the former Suurballe algorithm
and about 20-50 percent faster than CapacityScaling.
- Doc improvements.
- The test file is also replaced.

Thu, 28 Feb 2008 16:33:40 +0000Backport of bug fix hg 2de55e4f57a7
deba [Thu, 28 Feb 2008 16:33:40 +0000] rev 2585
Backport of bug fix hg 2de55e4f57a7

Thu, 28 Feb 2008 02:58:26 +0000Test file for the min cost flow algorithms.
kpeter [Thu, 28 Feb 2008 02:58:26 +0000] rev 2584
Test file for the min cost flow algorithms.

Thu, 28 Feb 2008 02:57:36 +0000Small fixes and doc improvements in MinMeanCycle.
kpeter [Thu, 28 Feb 2008 02:57:36 +0000] rev 2583
Small fixes and doc improvements in MinMeanCycle.

Thu, 28 Feb 2008 02:55:23 +0000Avoid map copy in MinCostMaxFlow.
kpeter [Thu, 28 Feb 2008 02:55:23 +0000] rev 2582
Avoid map copy in MinCostMaxFlow.

Thu, 28 Feb 2008 02:54:27 +0000Query improvements in the min cost flow algorithms.
kpeter [Thu, 28 Feb 2008 02:54:27 +0000] rev 2581
Query improvements in the min cost flow algorithms.

- External flow and potential maps can be used.
- New query functions: flow() and potential().
- CycleCanceling also provides dual solution (node potentials).
- Doc improvements.

Wed, 27 Feb 2008 11:39:03 +0000Bug fixes
deba [Wed, 27 Feb 2008 11:39:03 +0000] rev 2580
Bug fixes

Mon, 25 Feb 2008 12:35:06 +0000Bug fixes in min cost flow files.
kpeter [Mon, 25 Feb 2008 12:35:06 +0000] rev 2579
Bug fixes in min cost flow files.
Use enum type instead of static constants in NetworkSimplex to avoid
linker errors.

Thu, 21 Feb 2008 13:06:33 +0000Put the definitions of global functions into a .cc file.
ladanyi [Thu, 21 Feb 2008 13:06:33 +0000] rev 2578
Put the definitions of global functions into a .cc file.

Mon, 18 Feb 2008 03:34:16 +0000Add a cost scaling min cost flow algorithm.
kpeter [Mon, 18 Feb 2008 03:34:16 +0000] rev 2577
Add a cost scaling min cost flow algorithm.

Add a cost scaling algorithm, which is performing generalized
push-relabel operations. It is almost as efficient as the capacity
scaling algorithm, but slower than network simplex.

Mon, 18 Feb 2008 03:32:56 +0000Improvements in MinCostFlow and MinCostMaxFlow.
kpeter [Mon, 18 Feb 2008 03:32:56 +0000] rev 2576
Improvements in MinCostFlow and MinCostMaxFlow.

Main changes:
- MinCostMaxFlow also provides dual solution.
- Change the name of private members to start with "_".
- Change the name of function parameters not to start with "_".
- Remove unnecessary documentation for private members.
- Doc improvements.

Mon, 18 Feb 2008 03:32:06 +0000Major improvements in NetworkSimplex.
kpeter [Mon, 18 Feb 2008 03:32:06 +0000] rev 2575
Major improvements in NetworkSimplex.

Main changes:
- Use -potenital[] instead of potential[] to conform to the usual
terminology.
- Use function parameter instead of #define commands to select pivot rule.
- Use much faster implementation for the candidate list pivot rule.
It is about 5-20 times faster now.
- Add a new pivot rule called "Limited Search" that is a modified
version of "Block Search". It is about 25 percent faster on rather
sparse graphs.
- By default "Limited Search" is used for sparse graphs and
"Block Search" is used otherwise. This combined method is the most
efficient on every input class.
- Change the name of private members to start with "_".
- Change the name of function parameters not to start with "_".
- Remove unnecessary documentation for private members.
- Many doc improvements.

Mon, 18 Feb 2008 03:30:53 +0000Improvements in CapacityScaling.
kpeter [Mon, 18 Feb 2008 03:30:53 +0000] rev 2574
Improvements in CapacityScaling.

Main changes:
- Use -potenital[] instead of potential[] to conform to the usual
terminology.
- Change the name of private members to start with "_".
- Change the name of function parameters not to start with "_".
- Remove unnecessary documentation for private members.
- Doc improvements.

Mon, 18 Feb 2008 03:30:12 +0000Improvements in CycleCanceling.
kpeter [Mon, 18 Feb 2008 03:30:12 +0000] rev 2573
Improvements in CycleCanceling.

Main changes:
- Use function parameter instead of #define commands to select negative
cycle detection method.
- Change the name of private members to start with "_".
- Change the name of function parameters not to start with "_".
- Remove unnecessary documentation for private members.
- Doc improvements.

Fri, 08 Feb 2008 11:58:32 +0000Fix VPATH builds.
ladanyi [Fri, 08 Feb 2008 11:58:32 +0000] rev 2572
Fix VPATH builds.

Fri, 08 Feb 2008 11:04:37 +0000Hopefully fix all compilation errors.
alpar [Fri, 08 Feb 2008 11:04:37 +0000] rev 2571
Hopefully fix all compilation errors.

Fri, 08 Feb 2008 10:42:38 +0000Fix a silly typo
alpar [Fri, 08 Feb 2008 10:42:38 +0000] rev 2570
Fix a silly typo

Fri, 08 Feb 2008 10:38:08 +0000#include<cmath> -> #include<lemon/math.h>
alpar [Fri, 08 Feb 2008 10:38:08 +0000] rev 2569
#include<cmath> -> #include<lemon/math.h>

Fri, 08 Feb 2008 10:18:55 +0000Math constants + configure bugfix backported
alpar [Fri, 08 Feb 2008 10:18:55 +0000] rev 2568
Math constants + configure bugfix backported
from hg a315a588a20d and 761622e5ed4c

Fri, 08 Feb 2008 09:56:46 +0000Update the server and the repository names to lemon.
alpar [Fri, 08 Feb 2008 09:56:46 +0000] rev 2567
Update the server and the repository names to lemon.

Fri, 08 Feb 2008 09:52:48 +0000Doc improvments backported from hg 9df0fe5e5109
alpar [Fri, 08 Feb 2008 09:52:48 +0000] rev 2566
Doc improvments backported from hg 9df0fe5e5109

Tue, 05 Feb 2008 12:45:23 +0000Bug fix in heap_test.cc.
kpeter [Tue, 05 Feb 2008 12:45:23 +0000] rev 2565
Bug fix in heap_test.cc.

Tue, 05 Feb 2008 12:41:05 +0000Several doc improvements and fixes in maps.h and concepts/maps.h.
kpeter [Tue, 05 Feb 2008 12:41:05 +0000] rev 2564
Several doc improvements and fixes in maps.h and concepts/maps.h.

Tue, 05 Feb 2008 11:24:32 +0000Small fixes in README.
kpeter [Tue, 05 Feb 2008 11:24:32 +0000] rev 2563
Small fixes in README.

Tue, 05 Feb 2008 11:23:23 +0000Improvements and fixes in dim2.h.
kpeter [Tue, 05 Feb 2008 11:23:23 +0000] rev 2562
Improvements and fixes in dim2.h.

- Several doc improvements.
- Fix BoundingBox::operator& implementation.

Tue, 05 Feb 2008 11:10:08 +0000Translate Hungarian varible names and improve messages in dim_test.cc.
kpeter [Tue, 05 Feb 2008 11:10:08 +0000] rev 2561
Translate Hungarian varible names and improve messages in dim_test.cc.

Tue, 05 Feb 2008 11:03:55 +0000Fix the rename script.
kpeter [Tue, 05 Feb 2008 11:03:55 +0000] rev 2560
Fix the rename script.

Tue, 29 Jan 2008 03:39:05 +0000grid_ugraph.h: fixed #18 (global functions inlined)
klao [Tue, 29 Jan 2008 03:39:05 +0000] rev 2559
grid_ugraph.h: fixed #18 (global functions inlined)

Mon, 28 Jan 2008 11:42:46 +0000Improved rename script to handle includes correctly.
kpeter [Mon, 28 Jan 2008 11:42:46 +0000] rev 2558
Improved rename script to handle includes correctly.

Mon, 21 Jan 2008 15:35:55 +0000Reveal an existing functionality in the documentation
alpar [Mon, 21 Jan 2008 15:35:55 +0000] rev 2557
Reveal an existing functionality in the documentation

Sun, 13 Jan 2008 10:32:14 +0000Cleanup in the minimum cost flow files.
kpeter [Sun, 13 Jan 2008 10:32:14 +0000] rev 2556
Cleanup in the minimum cost flow files.
The changes only affects the documentation and the look of the source codes.

Sun, 13 Jan 2008 10:26:55 +0000Reimplemented MinMeanCycle to be much more efficient.
kpeter [Sun, 13 Jan 2008 10:26:55 +0000] rev 2555
Reimplemented MinMeanCycle to be much more efficient.
The new version implements Howard's algorithm instead of Karp's algorithm and
it is at least 10-20 times faster on all the 40-50 random graphs we have tested.

Mon, 07 Jan 2008 17:07:40 +0000Minor doc fix
alpar [Mon, 07 Jan 2008 17:07:40 +0000] rev 2554
Minor doc fix

Mon, 07 Jan 2008 13:09:48 +0000Happy New Year to LEMON (+ better update-copyright-header script)
alpar [Mon, 07 Jan 2008 13:09:48 +0000] rev 2553
Happy New Year to LEMON (+ better update-copyright-header script)

Fri, 04 Jan 2008 00:47:08 +0000Improved rename script to avoid "undirected digraph".
kpeter [Fri, 04 Jan 2008 00:47:08 +0000] rev 2552
Improved rename script to avoid "undirected digraph".

Mon, 31 Dec 2007 19:21:21 +0000Include functional because of std::less.
ladanyi [Mon, 31 Dec 2007 19:21:21 +0000] rev 2551
Include functional because of std::less.

Sun, 30 Dec 2007 18:23:32 +0000Changing degree of tournament tree
deba [Sun, 30 Dec 2007 18:23:32 +0000] rev 2550
Changing degree of tournament tree
Bug fix in union find
Small efficiency improvment in bipartite matchings

Sat, 29 Dec 2007 15:11:41 +0000Test program for max weighted matchings
deba [Sat, 29 Dec 2007 15:11:41 +0000] rev 2549
Test program for max weighted matchings

Fri, 28 Dec 2007 11:00:51 +0000Edmond's Blossom shrinking algroithm:
deba [Fri, 28 Dec 2007 11:00:51 +0000] rev 2548
Edmond's Blossom shrinking algroithm:
MaxWeightedMatching
MaxWeightedPerfectMatching

Thu, 27 Dec 2007 13:40:16 +0000Renaming state_enum to State
deba [Thu, 27 Dec 2007 13:40:16 +0000] rev 2547
Renaming state_enum to State
Removing "Type" suffix from typedefs
Moving implementation into the class definition

Thu, 20 Dec 2007 15:21:22 +0000Bug fix in erase
deba [Thu, 20 Dec 2007 15:21:22 +0000] rev 2546
Bug fix in erase

Thu, 20 Dec 2007 15:13:06 +0000Casting index to int
deba [Thu, 20 Dec 2007 15:13:06 +0000] rev 2545
Casting index to int

Wed, 19 Dec 2007 22:23:28 +0000Bug fix (Circulation interface changed).
kpeter [Wed, 19 Dec 2007 22:23:28 +0000] rev 2544
Bug fix (Circulation interface changed).

Wed, 19 Dec 2007 09:16:22 +0000Change the local variables lower case
alpar [Wed, 19 Dec 2007 09:16:22 +0000] rev 2543
Change the local variables lower case

Mon, 17 Dec 2007 09:54:26 +0000Bug fix
deba [Mon, 17 Dec 2007 09:54:26 +0000] rev 2542
Bug fix

Wed, 12 Dec 2007 13:35:55 +0000Bug fix
deba [Wed, 12 Dec 2007 13:35:55 +0000] rev 2541
Bug fix

Tue, 11 Dec 2007 17:42:49 +0000Avoiding warnings
deba [Tue, 11 Dec 2007 17:42:49 +0000] rev 2540
Avoiding warnings

Tue, 11 Dec 2007 17:37:08 +0000DynEdgeLookUp implementation based on splay trees
deba [Tue, 11 Dec 2007 17:37:08 +0000] rev 2539
DynEdgeLookUp implementation based on splay trees
In general case it is slower than the static version, but it should not
refreshed on the change of the graph

Mon, 10 Dec 2007 16:34:31 +0000Bug fix in doc
deba [Mon, 10 Dec 2007 16:34:31 +0000] rev 2538
Bug fix in doc

Mon, 10 Dec 2007 16:33:37 +0000Using operation traits in dijkstra
deba [Mon, 10 Dec 2007 16:33:37 +0000] rev 2537
Using operation traits in dijkstra

Fri, 07 Dec 2007 12:00:32 +0000Modified rename script (BpGraph instead of Bigraph).
kpeter [Fri, 07 Dec 2007 12:00:32 +0000] rev 2536
Modified rename script (BpGraph instead of Bigraph).

Wed, 05 Dec 2007 13:03:19 +0000Redesigned CapacityScaling algorithm with almost the same interface.
kpeter [Wed, 05 Dec 2007 13:03:19 +0000] rev 2535
Redesigned CapacityScaling algorithm with almost the same interface.
The new version does not use the ResidualGraphAdaptor for performance reasons.
Scaling can be enabled and disabled with a parameter of the run() function.