alpar [Fri, 29 Apr 2005 13:31:41 +0000] rev 1399
DataFormatError::what() also prints the name of the exception.
alpar [Fri, 29 Apr 2005 11:04:17 +0000] rev 1398
Docfix
alpar [Fri, 29 Apr 2005 08:21:03 +0000] rev 1397
For the sake of cygwin...
deba [Thu, 28 Apr 2005 09:54:38 +0000] rev 1396
GUI section handling.
alpar [Wed, 27 Apr 2005 16:49:04 +0000] rev 1395
Missing *.m4 files added.
deba [Wed, 27 Apr 2005 10:44:58 +0000] rev 1394
Modifying the interface.
add -> read, write
deba [Wed, 27 Apr 2005 10:42:58 +0000] rev 1393
Bug fix.
deba [Wed, 27 Apr 2005 10:37:03 +0000] rev 1392
Changed input operator.
alpar [Tue, 26 Apr 2005 15:50:30 +0000] rev 1391
- BoundingBox::clear() added
- More "-pedantic" code
alpar [Mon, 25 Apr 2005 16:22:04 +0000] rev 1390
LpSkeleton updated
athos [Mon, 25 Apr 2005 15:43:11 +0000] rev 1389
Missing function _setRowBounds added to lp_skeleton.
ladanyi [Mon, 25 Apr 2005 09:00:47 +0000] rev 1388
bugfix
ladanyi [Mon, 25 Apr 2005 08:19:38 +0000] rev 1387
- include config.h instead of manually adding -DHAVE_{CPLEX,GLPK} to CXXFLAGS
- removed the checking of LpSkeleton from lp_test.cc, because it is an
abstract base class now
- removed unnecessary LDFLAGS when linking with libemon.la
ladanyi [Sun, 24 Apr 2005 22:30:54 +0000] rev 1386
This way it works also when both GLPK and CPLEX are enabled.
ladanyi [Sun, 24 Apr 2005 22:26:37 +0000] rev 1385
Don't set {GLPK,CPLEX}_{CFLAGS,LIBS} if the check fails.
ladanyi [Sat, 23 Apr 2005 17:14:49 +0000] rev 1384
-I config is passed to aclocal when make invokes it.
marci [Sat, 23 Apr 2005 16:59:49 +0000] rev 1383
A new implementation of UndirGraphWrapper, accordig to the undirected concepts
alpar [Fri, 22 Apr 2005 17:53:26 +0000] rev 1382
Set $lp_{glpk|cplex}_found even if --without-{glpk|cplex} option was given.
alpar [Fri, 22 Apr 2005 17:47:01 +0000] rev 1381
- lp_cplex.h, lp_cplex.cc added
- lp_demo.cc and lp_maxflow_demo.cc uses GLPK is it is found CPLEX otherwise
ladanyi [Fri, 22 Apr 2005 16:20:12 +0000] rev 1380
added check for CLPEX
athos [Thu, 21 Apr 2005 15:15:12 +0000] rev 1379
I really have no idea about what to write here now.
alpar [Thu, 21 Apr 2005 06:06:56 +0000] rev 1378
Fix Makefile.am
athos [Wed, 20 Apr 2005 15:06:42 +0000] rev 1377
_clearObj instead of _setObj.
athos [Wed, 20 Apr 2005 14:29:23 +0000] rev 1376
_setObj function
alpar [Tue, 19 Apr 2005 14:15:01 +0000] rev 1375
Get rid of all '-Wall -W' warnings.
deba [Tue, 19 Apr 2005 13:33:44 +0000] rev 1374
Call the default constructor of the ObserverBase.
alpar [Tue, 19 Apr 2005 06:51:37 +0000] rev 1373
Fix glpk summary
alpar [Tue, 19 Apr 2005 06:36:37 +0000] rev 1372
Configure summary is printed. (To be extended.)
ladanyi [Mon, 18 Apr 2005 17:29:11 +0000] rev 1371
ignore src/demo/lp_maxflow_demo
ladanyi [Mon, 18 Apr 2005 17:26:51 +0000] rev 1370
added m4 macro to control documentation generation
ladanyi [Mon, 18 Apr 2005 17:23:42 +0000] rev 1369
irrelevant changes
alpar [Mon, 18 Apr 2005 16:07:54 +0000] rev 1368
icc like this a bit more (no warnings).
alpar [Mon, 18 Apr 2005 14:59:24 +0000] rev 1367
More steps toward gcc-3.4 compatibility
alpar [Mon, 18 Apr 2005 14:18:12 +0000] rev 1366
gcc-3.4 compile fix
alpar [Mon, 18 Apr 2005 13:34:23 +0000] rev 1365
src/work is moved to hugo_loc
alpar [Sun, 17 Apr 2005 18:57:22 +0000] rev 1364
- compile failure fixed
- newLp(), copyLp() added
- more doc.
alpar [Fri, 15 Apr 2005 22:12:51 +0000] rev 1363
An unnecessary duplicate removed.
alpar [Fri, 15 Apr 2005 21:15:30 +0000] rev 1362
- Adding new lp_demo.cc finished
- Several 'unused variable' warnings fixed in 'lp_skeleton.cc'
alpar [Fri, 15 Apr 2005 20:46:18 +0000] rev 1361
lp_demo.cc becomes lp_maxflow_demo.cc
WARNING: Repo doesn't compile!
alpar [Fri, 15 Apr 2005 20:26:01 +0000] rev 1360
Fix a bug that caused corrupt eps file if there are loops or identical
node coordinates in the graph.
alpar [Fri, 15 Apr 2005 19:56:25 +0000] rev 1359
Correct the english name of EGRES.
deba [Fri, 15 Apr 2005 14:46:03 +0000] rev 1358
Bug fixes.
Modified test file.
deba [Fri, 15 Apr 2005 14:03:23 +0000] rev 1357
Bug fix.
ladanyi [Fri, 15 Apr 2005 10:37:47 +0000] rev 1356
Changed the includes.
ladanyi [Thu, 14 Apr 2005 21:23:25 +0000] rev 1355
- Use messages similar to stock autoconf macros'.
ladanyi [Thu, 14 Apr 2005 16:37:26 +0000] rev 1354
updated mrproper target
ladanyi [Thu, 14 Apr 2005 16:31:30 +0000] rev 1353
ignore generated files/dirs
alpar [Thu, 14 Apr 2005 12:30:18 +0000] rev 1352
- Bugfix in XMap/YMap
- NormSquareMap added
ladanyi [Thu, 14 Apr 2005 12:09:35 +0000] rev 1351
- removed unnecessary include dirs
ladanyi [Thu, 14 Apr 2005 12:04:29 +0000] rev 1350
- added an m4 script to set debugging related compiler flags
ladanyi [Thu, 14 Apr 2005 12:02:14 +0000] rev 1349
- GLPK is autodetected now
ladanyi [Wed, 13 Apr 2005 06:49:42 +0000] rev 1348
- added autoheader (just to reduce the compliers argument list)
- don't add -Wall to CXXFLAGS when using Intel's compiler (because this causes
a lot of remarks)
deba [Tue, 12 Apr 2005 19:03:18 +0000] rev 1347
Documentation for lemon/bits.
deba [Tue, 12 Apr 2005 17:38:16 +0000] rev 1346
Source and Target EdgeMap.
deba [Tue, 12 Apr 2005 17:37:22 +0000] rev 1345
Minor changes.
deba [Tue, 12 Apr 2005 17:35:36 +0000] rev 1344
Removed obsolote todo.
deba [Tue, 12 Apr 2005 17:34:51 +0000] rev 1343
Some bug fixes.
deba [Tue, 12 Apr 2005 17:33:41 +0000] rev 1342
Demo program
Dijkstra with reduced lengths
alpar [Tue, 12 Apr 2005 14:24:57 +0000] rev 1341
GraphReader is made silent
alpar [Tue, 12 Apr 2005 14:24:06 +0000] rev 1340
Missing header added
athos [Mon, 11 Apr 2005 15:46:14 +0000] rev 1339
A little has been done. Some important questions arised.
athos [Mon, 11 Apr 2005 14:26:35 +0000] rev 1338
A little modification: a call for primalStatus().
alpar [Sun, 10 Apr 2005 16:26:26 +0000] rev 1337
'make docs' and 'make install' is also working now in external build-dir
alpar [Sat, 09 Apr 2005 20:45:28 +0000] rev 1336
Minor corrections in the doc
deba [Sat, 09 Apr 2005 19:38:52 +0000] rev 1335
Obsolte test removed.
deba [Sat, 09 Apr 2005 19:36:46 +0000] rev 1334
Bug fixes.
deba [Sat, 09 Apr 2005 19:35:33 +0000] rev 1333
Functionality changed:
The first map is the id map => The map named "id" is the id map
Documentation improvments
deba [Sat, 09 Apr 2005 19:32:06 +0000] rev 1332
Make standard conform. // math.h -> cmath
deba [Sat, 09 Apr 2005 19:30:49 +0000] rev 1331
Documentation improvments.
deba [Sat, 09 Apr 2005 19:27:48 +0000] rev 1330
Heap concept moved to namespace concept.
alpar [Fri, 08 Apr 2005 15:46:12 +0000] rev 1329
- Insert LP stuff into the module structure
alpar [Fri, 08 Apr 2005 15:24:01 +0000] rev 1328
- Insert LP stuff into the module structure
- More doc
alpar [Fri, 08 Apr 2005 15:22:46 +0000] rev 1327
Disable shared libraries (makes the compilation a bit faster)
alpar [Fri, 08 Apr 2005 14:40:37 +0000] rev 1326
Add presolver() to turn on/off the GLPK presolver
alpar [Fri, 08 Apr 2005 14:21:40 +0000] rev 1325
An icc warning resolved.
alpar [Fri, 08 Apr 2005 14:02:43 +0000] rev 1324
Only lp_xyz's are linked against -lglpk
alpar [Fri, 08 Apr 2005 06:46:12 +0000] rev 1323
The case when the objective function contains a const component is handled
correctly.
alpar [Fri, 08 Apr 2005 06:34:34 +0000] rev 1322
Demo prog that computes the max flow by LP
alpar [Fri, 08 Apr 2005 06:33:11 +0000] rev 1321
No output messages by default
alpar [Fri, 08 Apr 2005 05:36:16 +0000] rev 1320
lin_expr.h removed
athos [Thu, 07 Apr 2005 15:22:03 +0000] rev 1319
Cplex interface has improved a lot.
athos [Thu, 07 Apr 2005 12:54:35 +0000] rev 1318
Sample file completed: works correctly and the code is very beautiful. I love LEMON.
alpar [Thu, 07 Apr 2005 11:30:12 +0000] rev 1317
- XMap and YMap added
- Spell checking
athos [Thu, 07 Apr 2005 10:44:32 +0000] rev 1316
Makefile has changed.
athos [Thu, 07 Apr 2005 10:19:10 +0000] rev 1315
A sample file.
athos [Thu, 07 Apr 2005 09:42:31 +0000] rev 1314
New functions in lp_glpk.cc. Sample file: lp_sample.cc.
alpar [Thu, 07 Apr 2005 06:38:56 +0000] rev 1313
LpSolverSkeleton -> LpSkeleton
lp_solver_skeleton* -> lp_skeleton*
alpar [Thu, 07 Apr 2005 06:31:03 +0000] rev 1312
max() [_setMax()], min() [_setMin()], primalValue() [_getPrimalValue()] added
deba [Wed, 06 Apr 2005 17:19:54 +0000] rev 1311
Removing sticky using namespace std.
Making up the using of namespaces.
ladanyi [Wed, 06 Apr 2005 08:14:16 +0000] rev 1310
make distcheck works again
alpar [Wed, 06 Apr 2005 07:24:48 +0000] rev 1309
lp_test added
WARNING: Overall glpk dependency! (we should avoid)
ladanyi [Tue, 05 Apr 2005 22:37:19 +0000] rev 1308
Applied the changes which somehow vanished during my last merge. Thanks goes
to Marci for noticing this. In detail:
- added amsmath and amssymb latex packages for latex documentation
- src/demo is also scanned for doxygen input files
deba [Tue, 05 Apr 2005 12:30:46 +0000] rev 1307
Stuffs moved into bits
ladanyi [Tue, 05 Apr 2005 09:49:01 +0000] rev 1306
make distcheck fixes. Anyway it still doesn't work.
ladanyi [Tue, 05 Apr 2005 09:08:23 +0000] rev 1305
- moved lp_base.h, lp_base.cc, lp_glpk.h, lp_glpk.cc, lp_solver_skeleton.h and
lp_solver_skeleton.cc to src/lemon
- modified the includes
ladanyi [Tue, 05 Apr 2005 08:43:51 +0000] rev 1304
Merged my branch (branches/akos) changes r1654:1740 into the trunk.
alpar [Tue, 05 Apr 2005 06:41:21 +0000] rev 1303
SolutionStatus -> SolveExitStatus
SolutionType -> SolutionStatus
alpar [Tue, 05 Apr 2005 06:19:24 +0000] rev 1302
Subdirectory for low level headers
hegyi [Mon, 04 Apr 2005 19:22:04 +0000] rev 1301
Graph displayer displays graphs now.
alpar [Mon, 04 Apr 2005 16:19:29 +0000] rev 1300
Trivial bugfix
athos [Mon, 04 Apr 2005 14:46:08 +0000] rev 1299
Started cplex low level interface.
athos [Mon, 04 Apr 2005 14:45:23 +0000] rev 1298
Now one can solve an lp problem.
deba [Mon, 04 Apr 2005 10:13:33 +0000] rev 1297
Bug fix.
deba [Mon, 04 Apr 2005 10:11:47 +0000] rev 1296
dimacs_to_lgf demo
may we need a tools directory?
alpar [Mon, 04 Apr 2005 08:03:43 +0000] rev 1295
- Modifications to compile with *both* gcc-3.3 and gcc-3.4
- Adjust further SolutionType
alpar [Sun, 03 Apr 2005 10:20:49 +0000] rev 1294
Documentation of abstract functions is in lp_solver_skeleton.h
alpar [Fri, 01 Apr 2005 19:50:29 +0000] rev 1293
- Make lp stuff compilable
- Some 'set's removed
alpar [Fri, 01 Apr 2005 14:13:32 +0000] rev 1292
Options for debugging.
athos [Fri, 01 Apr 2005 13:42:58 +0000] rev 1291
Conceptions and bug fixes.
hegyi [Fri, 01 Apr 2005 13:42:31 +0000] rev 1290
To run graph-displayer with sample input, type make run, but do not move the nodes, YET
hegyi [Fri, 01 Apr 2005 09:44:29 +0000] rev 1289
Graph displayer is now displaying nodes. Edges remain still undisplayed yet.
hegyi [Fri, 01 Apr 2005 09:43:52 +0000] rev 1288
Graph displayer is now displaying nodes. Edges remain still undisplayed yet.
alpar [Fri, 01 Apr 2005 08:47:40 +0000] rev 1287
New groups called io_group and dimacs_group added
hegyi [Fri, 01 Apr 2005 08:28:51 +0000] rev 1286
Peter is able to read xy vector from file.
zsuzska [Fri, 01 Apr 2005 08:16:35 +0000] rev 1285
corrections in docs
alpar [Thu, 31 Mar 2005 14:04:13 +0000] rev 1284
SmartGraph can also split() a node!
alpar [Thu, 31 Mar 2005 13:31:39 +0000] rev 1283
getPath() added to Bfs/Dfs/Dijkstra.
alpar [Thu, 31 Mar 2005 13:30:27 +0000] rev 1282
length() returns int istead of size_t
alpar [Thu, 31 Mar 2005 13:29:05 +0000] rev 1281
- split() added
alpar [Thu, 31 Mar 2005 09:33:52 +0000] rev 1280
It works again
alpar [Thu, 31 Mar 2005 08:34:55 +0000] rev 1279
LpSolverBase::Expr is documented
alpar [Thu, 31 Mar 2005 06:05:58 +0000] rev 1278
Correct MapBase usage.
hegyi [Wed, 30 Mar 2005 14:29:55 +0000] rev 1277
XY reading is being wrote.
marci [Wed, 30 Mar 2005 14:29:11 +0000] rev 1276
latex documentation for TightEdgeFilterMap, including amsmath and amssymb latex
packages for latex documentation
alpar [Wed, 30 Mar 2005 13:01:58 +0000] rev 1275
Minor improvements
zsuzska [Wed, 30 Mar 2005 12:08:15 +0000] rev 1274
some small corrections in docs
alpar [Wed, 30 Mar 2005 10:38:22 +0000] rev 1273
- Better (but still incomplete) doc
- lp_test runs correctly
alpar [Wed, 30 Mar 2005 08:28:44 +0000] rev 1272
- Non-template expressions and constraints (lin_expr.h isn't used)
deba [Tue, 29 Mar 2005 13:30:29 +0000] rev 1271
Some bug fix
jacint [Tue, 29 Mar 2005 07:35:09 +0000] rev 1270
bugfixes in doc
marci [Mon, 28 Mar 2005 23:34:26 +0000] rev 1269
bug fix in SubBidirGraphWrapper::firstIn(Edge&,const Node&), due to Gabor Retvari
alpar [Sun, 27 Mar 2005 15:59:04 +0000] rev 1268
Use the standard idMap
deba [Fri, 25 Mar 2005 23:31:57 +0000] rev 1267
First version of iterable maps.
zsuzska [Fri, 25 Mar 2005 22:11:28 +0000] rev 1266
corrections in docs
zsuzska [Fri, 25 Mar 2005 22:05:54 +0000] rev 1265
zsuzska's own work directory
alpar [Fri, 25 Mar 2005 18:56:07 +0000] rev 1264
Constraints (expressions containing <= or >=) can be passed to addRow()
and setRow()
alpar [Fri, 25 Mar 2005 16:19:03 +0000] rev 1263
- LpGlpk added to the makefile
- missing const_cast<>() added
- prop for two new functions (solve() and solution())
athos [Fri, 25 Mar 2005 15:32:05 +0000] rev 1262
This was a bug, I guess
athos [Fri, 25 Mar 2005 15:24:18 +0000] rev 1261
Low level interface for GLPK (Marci ut?n szabadon)
athos [Fri, 25 Mar 2005 15:23:00 +0000] rev 1260
(none)
alpar [Fri, 25 Mar 2005 12:58:52 +0000] rev 1259
- Largely extended linear expressions
- Better docs
alpar [Fri, 25 Mar 2005 11:03:49 +0000] rev 1258
- setRow() added
- more docs
alpar [Fri, 25 Mar 2005 08:21:43 +0000] rev 1257
- several missing 'const' added
- value of xy is undefined by default
alpar [Fri, 25 Mar 2005 08:18:27 +0000] rev 1256
- src/lemon/utility.h: dummy<> template added
- LpSolverBase::INF is now really defined
- AddColSet() to add several column at once
- using enable_if
- with some doxygen hack
- More doc improvements
- Better Makefile
alpar [Thu, 24 Mar 2005 12:19:05 +0000] rev 1255
Oops...
alpar [Thu, 24 Mar 2005 12:15:50 +0000] rev 1254
- lp_solver_skeleton.h/cc: skeleton for actual lp implenetations
- lp_test.cc: test file
- updated Makefile
alpar [Thu, 24 Mar 2005 11:44:25 +0000] rev 1253
- simple makefile added
- _FixId class added (more clarification needed)
- LinExpr class added
- some higher level interfaces added to LpSolverBase
- minor corrections
marci [Wed, 23 Mar 2005 16:59:13 +0000] rev 1252
documentation
athos [Wed, 23 Mar 2005 15:43:18 +0000] rev 1251
Bug fix (thanks to Misi).
alpar [Wed, 23 Mar 2005 14:31:59 +0000] rev 1250
"unused parameter" warning solved
athos [Wed, 23 Mar 2005 12:30:33 +0000] rev 1249
An alternative of lp_base.h.
athos [Wed, 23 Mar 2005 12:12:42 +0000] rev 1248
Bug fix in lp_base.h.
athos [Wed, 23 Mar 2005 11:51:40 +0000] rev 1247
Completions.
athos [Wed, 23 Mar 2005 10:35:36 +0000] rev 1246
Csak a te kedvedert.
athos [Wed, 23 Mar 2005 09:50:27 +0000] rev 1245
Added.
athos [Wed, 23 Mar 2005 09:49:41 +0000] rev 1244
(none)
athos [Tue, 22 Mar 2005 16:49:30 +0000] rev 1243
Ami f?lig van k?sz, ma m?r f?lig marad...
marci [Tue, 22 Mar 2005 16:00:00 +0000] rev 1242
small improvment in documentation
athos [Tue, 22 Mar 2005 12:02:29 +0000] rev 1241
Modified a bit.
athos [Tue, 22 Mar 2005 11:45:47 +0000] rev 1240
Copied only so far.
marci [Tue, 22 Mar 2005 11:35:07 +0000] rev 1239
DO NOT USE UNDECARED STUFF
alpar [Tue, 22 Mar 2005 05:56:11 +0000] rev 1238
(correctly) ignore distro files.
alpar [Mon, 21 Mar 2005 16:16:52 +0000] rev 1237
Constructor of IdMap<G,I>::InverseMap made public
alpar [Mon, 21 Mar 2005 12:49:37 +0000] rev 1236
Some more MS VC++ compatibility changes (suggested by Janos Tapolcai)
alpar [Mon, 21 Mar 2005 11:48:59 +0000] rev 1235
For cygwin compatibility.
alpar [Mon, 21 Mar 2005 11:46:13 +0000] rev 1234
Several changes in order to compile with gcc-3.4
alpar [Mon, 21 Mar 2005 11:40:08 +0000] rev 1233
Several serious bugs fixed
klao [Mon, 21 Mar 2005 11:08:17 +0000] rev 1232
svn:ignore *.exe (for ms systems)
klao [Mon, 21 Mar 2005 09:29:30 +0000] rev 1231
svn:ignore fix
klao [Mon, 21 Mar 2005 09:27:48 +0000] rev 1230
Fixes for MS VC++ (contributed by Janos Tapolcai)
alpar [Mon, 21 Mar 2005 07:47:00 +0000] rev 1229
Bugfix, thanks to Janos.
alpar [Sat, 19 Mar 2005 09:44:27 +0000] rev 1228
A strange compilation failure (under cygwin) is fixed.
Version 0.3 should be fixed as well.
alpar [Sat, 19 Mar 2005 09:38:31 +0000] rev 1227
- A primitive function type interface for Preflow.
- A compilation bug fixed
alpar [Fri, 18 Mar 2005 06:00:20 +0000] rev 1226
Minor changes for educational purposes.
(Much more would be necessary...)
hegyi [Thu, 17 Mar 2005 17:20:37 +0000] rev 1225
Magic anyangle is Faster, harder, Blumchen
hegyi [Thu, 17 Mar 2005 11:45:05 +0000] rev 1224
Magic triangle is a bit more DONE, and is already not only a triangle.
alpar [Thu, 17 Mar 2005 10:46:57 +0000] rev 1223
MapFunctor is made an STL standard compliant functor.
alpar [Thu, 17 Mar 2005 10:43:57 +0000] rev 1222
The first step toward function type interface to Preflow alg:
- Naming changed to be closer in style to the BFD/DFS/Dijkstra triplet.
hegyi [Wed, 16 Mar 2005 17:31:04 +0000] rev 1221
Magic triangle is READY.
alpar [Wed, 16 Mar 2005 16:40:21 +0000] rev 1220
- Add compilation tests for the function type interface of BFS/DFS/Dijkstra
- Fix the bugs covered up by these tests
alpar [Wed, 16 Mar 2005 13:25:19 +0000] rev 1219
ForkMap and CombineMap added.
alpar [Wed, 16 Mar 2005 07:56:25 +0000] rev 1218
- Several updates and clarifications on dijkstra.h
- bfs.h and dfs.h is synchronized with dijkstra.h
alpar [Wed, 16 Mar 2005 07:52:16 +0000] rev 1217
Missing header file added
alpar [Wed, 16 Mar 2005 07:50:58 +0000] rev 1216
Missing input file added
alpar [Wed, 16 Mar 2005 07:50:20 +0000] rev 1215
- '.lgf' could be the standard 'lemon graph format' extension.
- heap_test is fixed in order that 'make discheck' work.
- heap_test now checks whether the input file exists.
deba [Fri, 11 Mar 2005 18:54:18 +0000] rev 1214
Changing exception names.
Compile sentry fix.
deba [Fri, 11 Mar 2005 16:44:20 +0000] rev 1213
Solve conflict.
hegyi [Fri, 11 Mar 2005 16:43:41 +0000] rev 1212
i am getting familiar with gtkmm and gnomecanvasmm
deba [Fri, 11 Mar 2005 16:31:08 +0000] rev 1211
Bug fix.
deba [Fri, 11 Mar 2005 16:29:03 +0000] rev 1210
work modifications
klao [Wed, 09 Mar 2005 14:23:36 +0000] rev 1209
Fix a bug noticed by deba.
deba [Wed, 09 Mar 2005 14:15:22 +0000] rev 1208
Easy input-output function for common graphs.
Modified Exception handling in graph_reader.