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

Bug fix in doc

Using operation traits in dijkstra

Modified rename script (BpGraph instead of Bigraph).

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.

Improved docs.

Bug fixes.

Bug fixes in the rename script.

rename graphs script

Reimplementation of Hao-Orlin algorithm
Little modifictaion in NagamochiIbaraki
More docs for minimum cut algorithms

Minor changes

Gomory-Hu tree algorithm

bug fix
class without constructor error

Redesign Circulation interface according to new flow interface
New greedy approach initialization

Using linked elevator
It is conform to the Graph concept in that sense
the graph maps should not be ReferenceMap

Bug fix resetting activeness of node at initialization

Fix warning when compiling with -Wall.

Performance bug in Preflow
The initial relabeling moved each node to the lowest level
Doc bug fix

Bugfix: using read-write map instead reference map

Better solution

Changed queue implementation

Bugfix in min cut computation

Small changes in the documentation.

Nauty graph6 reader

Changing max flow interface

Redesign the maximum flow algorithms

Redesigned interface
Preflow changed to use elevator
Edmonds-Karp does not use the ResGraphAdaptor
Goldberg-Tarjan algorithm (Preflow with Dynamic Trees)
Dinitz-Sleator-Tarjan (Blocking flow with Dynamic Tree)

Query the result value of an expression

Elevator: slight changes in elevator interface
LinkedElevator: based on linked lists

IntegerMap

removing semicolon ftom the end of GRAPH_TYPEDEFS

Small changes in the min. cost flow classes.

Planar graph coloring

Small bug fix.

Change to new union-find interface

Redesign interface of MaxMatching and UnionFindEnum
New class ExtendFindEnum

Faster MaxMatching

Bug fix

Fix a typo that caused the failure of 'make dist'

BpUGraphReader and Writer

Forgotten images

planar doxygen group

Planar Grid Embedding

Bug fix in undirected graphs (adding loops)
Bug fix in undirected edgesets (alteration notifying)

Redesigned undirected edgesets (like the smart or ugraph)

Build fix.

setAll for iterable bool maps

Added the function isFinite(), and replaced the calls to finite() with it.
This was necessary because finite() is not a standard function. Neither can
we use its standard counterpart isfinite(), because it was introduced only
in C99, and therefore it is not supplied by all C++ implementations.

Makefile fix.

Bad documentation

Adding doc

Documentation for lemon tools

Minor bug fixes in documentation

Bug fix and redesign StdMap
Improving map adaptors documentations

Bug fix in MaxMatching

Removing other occurences of cnt

Doc bug fix

New developers page
The participation period should be included

Bug fix in doc related to Graph concpets

Removing some todos!

make it compatible with current version of glpk

- Gamma distributon random variable.
- Test file for random.h

Missing header file added.

Avoiding warnings

Planarity checking and embedding

Once again bug fix in significant bit calculation

The same for unsigned radix sort

Bug fix in most significant digit calculation

Bug fixes in the documentation (mainly bad references).

Generate tools documentation

Small bug fixes and changes in the documentation.

Small improvement in documentation.

Missing header.

Small changes in min. cost flow algorithms.

Small bug fixes.

Invalid assignments ambiguity handling

More simple interface for PathDumper

PathNodeIt

PathWriter/Reader structures
Distinict MapSet readers and writers

Redesign of augmenting path based matching
Small bug fix in the push-relabel based

Consider the CPXMIP_OPTIMAL_TOL status as OPTIMAL too.

uedgeset is an alias for edgeset

Query functions: aMatching and bMatching
Modified algorithm function interfaces
ANodeMap<UEdge> matching map
BNodeMap<bool> barrier map

Consistency between augmenting path and push-relabel algorithm

Common interface for bipartite matchings
Some useful query function for push-relabel based matching

The naming should be rethink for these classes
for example: pr-ap prefix for push-relabel and augmenting path
algorithms

Reporting invalid ID

Correction in the line numbering method

Sample input for sat-2 and sat demos

The mip column addition hack is necessary only for 4.16

Improvments in min cost flow algorithms
- improved cycle cancelling

Space reservation for SmartGraph

Doc improvments

Using set() instead of assignment

Spellcheck

Correction for multiple point on starting sweep line

Update the demo file of Circulation

Two new constructors added to dim2::BoundingBox

Negate the meaning of the delta parameter

Minor improvement in Tutorial

Bugfix and improvement in -tsp2 algorithm

Delaunay triangulation
Faster geometric minimum spanning tree

A minimum spanning tree based TSP algorithm is added (-tsp2)

- Fix a serious bug in UEulerIt
- Add a conversion to UEdge
- Make some member funtions to be 'const'

Patch in network simplex

Patch from Peter Kovacs

Patch for retrieving reached/processed node in dijkstra, bfs and dfs

Patch from Peter Kovacs

Bug fix

Conformity to new GLPK interface
Hacking Mip without integer variables

Various min cost flow solvers

Patch from Peter Kovacs

Modified start() function in Dfs and Dijkstra classes to give back reached
edge/node.

Patch from Peter Kovacs

Bug fix in Bfs class.

Patch from Peter Kovacs

Small improvements in MinMeanCycle class.

Patch from Peter Kovacs

Integer parameters also convert to double

Fix the bug

Test the repository checking service

Fix the test bug

Sorry...

fix to compile with gcc 4.1.2

Test broken repository warning

Renaming topology doxygen group

Doc change

Clear for unionfinds

Allowing 'string' type quoting

Helper classs for checking existence of a nested class

Redesigned Kruskal algorithm

The interface of function type implementation is not changed
Additional class type implementation

Corrections on StoreBoolMap
- *insert_iterator has void value_type
- use const setting

Doc fix

Small changes

Demo program for SAT problems

Added SimplePath::front().

Slight modifications.

Parameter reordering

Patch from Kovacs Peter

Small improvments

I only corrected bugs to make things compile: some featured not implemented here yet.

Bug fix
Wrong renaming

Right dimacs format for min cost flows
Bug fixes in tolerance and min_mean_cycle

Append the svn revision number to the version string automatically.

Bug fix

dim_to_lgf
- use the argparser class
arg_parser improvments
- usage of assert in cc
- const char** argv
error
- handling the string parameter

Minimum mean cycle algorithm contributed by Peter Kovacs.

Doc improvements contributed by Peter Kovacs.

Using LEMON_ASSERT instead of LogicError()

Better doc.

Missing template keyword bug

dim_to_lgf has been moved to tools/ (from demo/)

The lemon repository has been renamed

An improved version of ArgParser: You don't need to give an explicit storage
for each option.
TODO: Documentation must be updated

Data hiding
Const members

Steiner 2-approximation demo

More query functions

Little interface improvment

Some design correction

naming convention:
header sentry

Correction of urls and email addresses

Bug fix missing include

Bug fix
from Kovacs Peter

Bug whit Parent typedef in SplitGraphAdaptor::CombinedEdgeMap
Fixing graph to eps parameters for demo

Happy New Year to all source files!

- '-Wshadow' seemed to strict therefore removed
- a tools directory added for useful executables codes
- tools/lgf-gen.cc (a random graph generator) added

arg_parser.h: A command line argument parser.
dist_log.h: A tool for measuring one and two dimensional distributions.

More doc.

Fix icc compilation failures

Hard Warning checking
- based on the remark of the ZIB user
- we do not use -Winline

Bug fix
Setting _pred in init()

getNotifier to notifier renaming

steiner.h into the makefile

2-approximation of Steiner-tree problem

Bug fix

ball2() -> disc() renaming

Prescaling can be turned off

Once again minor doc changes

Minor changes

Reorganization of the modules and groups

A preflow based general network circulation algorithm and a simple demo

Some two dimensional random distribution added.
They should be revised.

Doc improvements

Adding original license to the file
+ buffered bit generation

Minor fix

Some documentation changes

Naming convention changes

setObj => obj
is_min => isMin
is_max => isMax

Bug fixes
Documentation

More adequate doc.

Using const in lp interface
colByName functionality

Check Soplex support, as well

Lp row and col getter function
lp section reader and writer for lemon IO

Changes on the LP interface

_FixId => LpId
- handling of not common ids // soplex
LpGlpk row and col erase bug fix
- calling lpx_std_basis before simplex
LpSoplex
- added getter functions
- better m4 file
- integration to the tests
- better handling of unsolved lps

Small changes

Implemented virtual functions of class LpCplex.

Lagrange relaxation based algorithm for the delay constrained least cost
path problem.

Some spellcheck

Dijkstra could return the temporarly distance of the current node

Some bug fix
RevIt => RevEdgeIt renaming

Further doc improvements

Two new distributions added:
- Gaussian distribution generated using the polar form of the Box-Muller
transformation,
- Exponential distribution generated using inverse cdf.

Doc improvements

A push/relabel type max cardinality matching implementation.
(slightly incompatible with bipartite_matching.h)

Doc improvements

Correction of the wrong base class

Several doc improvements.

Small bug corrected.

- Some bugfixes
- Better doc
- liftToTop(), liftTo() added

Spellcheck

elevator.h: A class for handling item labels in push-relabel type algorithms

One important thing only: equality-type constraint can now be added to an lp. The prettyPrint functions are not too pretty yet, I accept.

Bug fix

G++-3.3 conform solution

Bug fix

Undirected minimum cut benchmarking

Make Hao-Orlin epsilon-safe

Bug fix

Changing implementation of undirected graphs
slightly faster, 10% speed-up

Adding two heuristics
Based on:
http://www.avglab.com/andrew/pub/neci-tr-96-132.ps

Nothing serious.

New path concept and path structures

TODO: BellmanFord::negativeCycle()

I only corrected some errors in the documentation.

MACROS for debug map usage

Bug fix

Easier inverse than m.inverse()[a] => m(a)

Better handling of inexact computation.
We do not use tolerance for excess, just for edges

clone => build renaming

Query functions have been implemented for GLPK (CPLEX breaks at the moment, I guess): These functions include:
retrieving one element of the coeff. matrix
retrieving one element of the obj function
lower bd for a variable
upper bound for a variable
lower and upper bounds for a row (these can not be handled separately at the moment)
direction of the optimization (is_max() function)

More sophisticated warning messages.

Fix 'unused variable' warnings

Oops. I did not mean to break the repository.

Some query functions got implemented, but only for GLPK.

Check for gcc version 3.3, 3.4 and 4.0 as well

Send the output to /dev/null

Copy constructor for LpGlpk

Automatic doc generation from the SVN trunk

- Change the subjects of broken repository mail alerts.
- Do not send the log file to the list

Send broken repository alert also to lemon-commits@lemon.cs.elte.hu.

Put server services related scripts under the server-services folder.

Lp section reader

Configuration files for soplex

checking soplex

Preliminary soplex support

modified _setColCoeff and _setRowCoeff parameters
const simplify() for expressions

make 'commit-checker' silent

- update graph_oriantation.cc to be in line with the renamed xy and with the
new graphToEps() scaling.
- Fix and external directory build problem in Doxyfile.in

Make the constructors of ColIt public.

Erasing unionfind Item template parameter

Some doc fix

BfsVisitor
Bipartite partitions based on visitors

topology_demo.cc => scaleToA4 works without extra parameters

Keeping order of alteration observers

Removing some automatic callback generation
// exception safety reason

Doc fix.

ColIt added. (Untested, but at least it compiles.)

Test the automatic compilation checker 1/2: fix the repo again

Test the automatic compilation checker 1/2: make a bug

Conditional execution until the target is reached
/previous implementation: until the target is the next to process/

todo: query the target when we give nodemap as condition

Bugfix: didn't removed the lock file if something went wrong

Test the automatic compilation checker 3/3: fix repo again

Test the automatic compilation checker 2/3: wrong commit

Test the automatic compilation checker 1/3

Send message to the commit author, as well

Script for automatic checking of SVN commit's consistency

First implementation of the static graph class
It could be improved to get better running times on benchmarks

General mapping based variant type

Spellchecking

GraphCopy and UGraphCopy modifications
Preliminary support for static graphs
=> cloning graphs

Added BpUGraphCopy

Tests for graph copies

Strict checking disabled

Corrected some typos and grammatical errors.

Removing template Map template parameter from InvertableMaps

The implementation of the graph copy is changed
Make explicit more constructors

Bug fix

Renaming MinCut

Bug fix

Bug fixes

tutorial update
algorithms, and graph visualisation

One more refinement

Update scripts

update for version 0.6

icpc-9.0 compilation bugfix

Min cost flow is renamed to SspMinCostFlow

Small bugs in the documentation 2.

Turn off 32 bit only tests, cont'd.

Small bugs in the documentation.

Turn off 32 bit only tests.

repository cleanup

- Add an autopackage generator script for glpk
- update autopackage specfile

Bug fix for removing heap Item from template parameter list

ColName() -> colName(), Coeff() -> coeff()

LEMON_INTEGER -> INT

NEWS updated to Rel0.6 - according to Alpar's instruction, at last

NEWS updated to Rel0.6

A little test was born for Expr::simplify().

Bug #46 fixed: Superfluous template parameter in Heap concept
NOTE: Not every affected file tested.

concept -> concepts cont'd

Doc update

concept -> concepts (namespace & directory)

Spellcheck

Docfix.
maps.h is still very fuzzy.

Doc improvements.

Graph imlementations actually provide ReferenceMaps.

It have not been saved

Some improvements on item readers and writers

Remove superfluous #ifndef boundaries

A trial to make the last test platform independent.

Documentation for UndirGraphAdaptor

Compilation warning resolved.

Compilation warning resolved.

SimpleMap and SimpleWriteMap
- Trivial adaptors, but they are useful in some case

Some combined maps will be reference map if the first
template parameter map is reference map or not. If I want
to give a refernce map as first map but there is a non
reference map parameter then I should wrap my first map
to a regular read-write map.

Update the Path concept
Concept check for paths

DirPath renamed to Path
The interface updated to the new lemon interface
Make difference between the empty path and the path from one node
Builder interface have not been changed
// I wanted but there was not accordance about it

UPath is removed
It was a buggy implementation, it could not iterate on the
nodes in the right order
Right way to use undirected paths => path of edges in undirected graphs

The tests have been modified to the current implementation

Documentation is moved to source file

Little modification on interface and documentation

Benchmark the running time of lemon::Random

Change for better measurement very fast operations (enable a higher
number of iterations in runningTimeTest())

New random interface
Switching to the new interface

Improve build environment and scripts

Turn off 32bit specific tests.

Turn off 32bit specific tests.

Bugfix

Improve the configuration environment / repository layout:
- Update README
- svn-head -> svnhead version tag change (in favor of rpm build)
- rpmbuild-glpk: a script to build glpk rpm.

EdgeLookUp and AllEdgeLookUp tests added.

EdgeLookUp and AllEdgeLookUp added.

Minor change in 'make rpm' behaviour.

docfix

Fix a bug and two warnings

Some rearrangement of concepts and extenders
BpUGraph concepts and concept check test

Some doc fix

Mersenne Twister random number generator

The code is based on the official MT19937 implementation
It is fully rewritten:

http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html

todo: fixing copyright information

Improved documentation.

include just the existing solvers

MIP interface tested (and corrected) for cplex 9.0

Doc fix

Moving the file into correct group

Exporting interface to the Graph class
Some documentation improvements

findEdge extension also for the BpUGraphs
proper handling of loop edges in the UGraph::findUEdge

Minor changes.

Too many files added: sorry.

Missing cplex files: sorry.

Interface to the cplex MIP solver: it is little, a bit sour but it is ours.

Doc fix

The recent progresses on the tutorial due to Mark.

Fix another one external build problem.

Doc improvements

Some corrections.

Some small improvments

size() and subscription operators
compatibility with higher dimensions

Hao-Orlin algorithm

It is based on Attila's work
It is tested on all dimacs files in data directory

It may need more execution control
- possible interruption after each findNewSink

Add missing header sentry

Resolve 'unused variable' warning

Revert an unintentional commit in r2933

xy -> dim2::Point

I forgot to remove the benchmarking part of code

UnionFind
Changing the representation of the union-find
it has the same running time but it takes just 2/3 space
! does not auto insert items /performance/

UnionFindEnum
Changing the interface - more convenient to UnionFind
Does not based on the stl data structures /it could be disadvantage/
=> does not use singular iterator assignment /not stl conform, but always work/
Just new iterator interface

MaxMatching + UnionFindTest
Using new iterator interface instead of the old

Some doc fix

Signaling alterations in BpUGraphs

New map type based on array map for debugging purpose

It checks multiple allocation and deallocation of map values and
some consistency.

todo:
clarification of debugging concepts
assertions - exceptions - debug
revision of attic/debug.h

motto:
testing is at least so important as coding

Bug fix in DescriptorMap
Avoiding the possibility of the memory leak

An easy avoiding of a bug

The functional interfaces are removed.
Better solution could be a reference counted core of the io interfaces

Now it is huge work so just write that:

GraphReader<ListGraph>(std::cin, graph).

Instead of:

graphReader(std::cin, graph).

Bug fix

Using abort() instead of exit(1)

If a program is aborted then the call stack can be analyzed with debugger.
The exit(1) does not provides that.

Disable mip_test when no LP solver is available.

Add missing Tutorial dox files

Tutorial improvements by Mark (mqrelly)

'make doc' is now working also in case of external build.

Bug fix in SmartEdgeSet

+ validity check function

Bug fix
rethrow of exception missing

Proper exception handling in the SmartEdgeSet

Snapshot for SmartUGraph an SmartBpUGraph

Bug fix in ListBpUGraph

Snapshot improvments

Improvment in exception handling
The erase and clear handlers have to be exception safe.
These can throw only one exception which detach the observer
from the notifier

Bug fix in UndirGraphAdaptor

Bug fix in countANodes/countBNodes

Fixed the mip error (mipstatus was incorrect).

Doc improvementst & todos

Update header list

bezier.h is no longer in the repository.

Omit warnings

Omit warning
Using check instead of the LEMON_ASSERT
Using fixed graph

Remove superfluous include headers

- bezier.h went to lemon/bits/
- new graphToEps() option: absolute/relative node size/link width scaling.

BiVariant moved to lemon/bits/variant.h

Doc fix

Doc improvements

Some color constants added (BLACK, WHITE, RED etc)

Resolve unused variable warning.

- Change ColorSet to Palette
- Minor change in graph_orientation demo.

This script creates/updates the copyright header of a source file

Do not list the header itself.

This script lists all the header files included directly or indirectly by a certain header file.

CPLEX 9.x support.

Fixed the mailinglist link and removed the gui section.

More "doxygenish" syntax.

Maybe useful, feel free to remove if not.

long long just for gnu compilers

Improving UGraph and BpUGraph concept classes

make public what() in NodeSetError

Omit warning

Change source and target for the bipartite list graph
Some documentation corrections

Minor doc improvement

Minor doc improvement

- Doc improvements
- rot180() added to xy.h

spellcheck

Minor doc changes.

Tolerance<unsigned int> and Tolerance<unsigned long long int> added.

Better 'Naming Convention' conformance.

Bugfix

exceptionName() has been thrown away

Disable assertions in default behaviour
Documentation changed

Some tests added to the test file mip_test.cc. One problem is the verbosity of the mip solver in glpk which I couldn't find how to kill.

Modifications to the interface: colType() functions, though I left the old integer() functions, too.

mip_test file went to mip_demo.

Still not final.

Sorry, mistake

MIP support added (by Jano, the Great).

Even better...

Some documentation got changed.

reference to modules added

Minor comment added.

Some updates and restructuring

glemon is in a separate repository.

Using fixed bipartite graph

Bug fix in MinCostMaxBipartiteMatching
The augmenting phase have not changed the
unreached nodes' potential which caused invalid
dual solution in some cases

Must have been changed because of the private copy constructor.

... and fix another one.

... and fix a stupid bug.

(Hopefully) finish privatizing the copy constr. and operator= in
the graph concept, ListGraph and SmartGraph.

New, less general installation instructions.

Resolving: Bug #51

Resolving: Bug #52

- Disable the copy constructor and operator= of {List|Smart}[U]Graph.
- Improve graph doc
- Also put private members into the doc (if they are documented)

Do not install the documentation if configure was called with --disable-doc.

Renameing file: graph_component.h => graph_components.h

Removed references to the gui.

Use sed instead of rpl

Minor doc improvements

README version one is added.

Modifications in the Graph Component concepts

As we agreed, Node/Edge::operator<() is required by the concept

Distribute Makefiles.

Distribute Doxyfile.in and lemon.pc.in.

- Revised "Concepts" group documentation
- Other minor doc improvements

Revert splitted files

Splitted graph files

new snapshot

Some modification in the documentation.

Make explicit constructors

Removing concepts for extendable and erasable graphs
Renaming StaticGraph to Graph

Smaller Simple Bucket Heap
- the list node does not store the value
- trade off: linear time operator[]

Set svn:ignore property.

Single makefile.

Added reserveNode function.

Set props.

Moved the po directory to glemon/trunk.

Moved the gui to glemon/trunk.

Exclude the gui from the build.

Slight changes in doc.

Improvement:

The item sets are written in the order sorted by the labels.

It solves the problem if we read a graph from a file and
then write it back then the nodes will be reversed.
It can be switched off with the LemonWriter interface.

Doc bug fix

readed => read

benchmark: radix_sort-bench was not compiled

Bug fix in the list bipartite undirected graph

Gettext is needed for bootstrapping.

Bug fix

Bugfix

Spellcheck

Erasing some code from the examples

Erasing unused parameter names
Omitting Warning

Functor usage for writeable map adaptors
Documentation for writeable map adaptors

Docfix

SimpleBucketHeap added

It does not supports erasing, decreasing, increasing.
It contains single linked lists

It can be used to store levels for push-relabel algorithms

Fix Bug #45: Missing include

DirUGraphAdaptor documentation

Polinomial template class

Bug fix by Jano

Documentation improvements

Rearrangements:
IO modules
Algorithms

New documentation:
SwapBpUGraphAdaptor

Demos:
strongly_connected_orientation.cc

Benchmarks:
swap_bipartite_bench.cc

Writing only not empty sections

Bug fix

New demo file for computing disjoint paths

Doc review
Correcting misformatting in adaptors
Adding header to demos

Bug fix

Remade SplitGraphAdaptor

Revised Compile Time Arithmetic

Two state Variant
+ Some Compile Time arithmetic

Extenders modified

UGraphBaseExtender => UndirGraphExtender
BpUGraphBaseExtender merged into BpUGraphExtender

Fixed typos.

Bug fix

Do not delete the not constructed map

- fix bug #43: static and const in Tolerance class
- fix return value of nonZero()

Create a separate group for matrices

Also install .gif files.

Getting Negative Cycle

Bug fix: Using set instead reference assignment

gLEMON does not compile with gtkmm 2.4.x

Tabu Search by Szabadkai Mark

added scrollbars to the canvas

filter loop edges

Bug fix in findUEdge

id->label

Also check mingw compatibility

Bug fix

Add missing function

Images into the algorithm groups