December 2007 - Boost - lists.preview.boost.org

[review] Formal Fast-Track review of the Boost.Functional/Factory library - 2 days left
by John Torjo 20 Dec '07

20 Dec '07

Hi all, There are only 2 days left from the formal Fast-Track review of the Boost.Functional/Factory library. We've had just one review, and we need more. If you are interested in the library (you should be :)), please take some time to review it. This is the info you need to do a review on: *Description* Factories are callback mechanisms for constructors, so we provide two function objects, boost::value_factory and boost::factory, that encasulate object construction through direct application of the constructor or operator new, respectively. These templates make other facilities that operate on function objects (such as standard algorithms, Boost.Bind, Boost.Function, or Fusion functional adapters) applicable to constructors. *Author* Tobias Schwinger *Download* Get it from here: http://www.boost-consulting.com/vault/index.php?action=downloadfile&filenam… Read documentation online here: http://torjo.com/tobias/ What to include in Review Comments ================================== Your comments may be brief or lengthy, but basically the Review Manager needs your evaluation of the library. If you identify problems along the way, please note if they are minor, serious, or showstoppers. Here are some questions you might want to answer in your review: * What is your evaluation of the design? * What is your evaluation of the implementation? * What is your evaluation of the documentation? * What is your evaluation of the potential usefulness of the library? * Did you try to use the library? With what compiler? Did you have any problems? * How much effort did you put into your evaluation? A glance? A quick reading? In-depth study? * Are you knowledgeable about the problem domain? And finally, every review should answer this question: * Do you think the library should be accepted as a Boost library? Be sure to say this explicitly so that your other comments don't obscure your overall opinion. Best, John Torjo - Review Manager - -- http://John.Torjo.com -- C++ expert ... call me only if you want things done right

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[graph] Custom Selectors
by Dean Michael Berris 20 Dec '07

20 Dec '07

Hi Guys, Is there a definitive guide in the Boost.Graph documentation about how to create custom selectors? I'm particularly interested in selectors that return STL types that use a different allocator parameter. How about a selector that chooses an STL vector using the Boost.Pool allocator, or a selector that chooses an STL set using the Boost.Pool Fast Allocator? I've gone through the BGL book (which is a bit dated, though still very much relevant) but I haven't seen a discussion about custom selectors. Pointers would be most appreciated. Have a great day everyone! -- Dean Michael C. Berris Software Engineer, Friendster, Inc. [http://cplusplus-soup.blogspot.com/] [mikhailberis(a)gmail.com] [+63 928 7291459] [+1 408 4049523]

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Formal review request: Flyweight
by Joaquín Mª López Muñoz 19 Dec '07

19 Dec '07

Hello, I request that the Candidate Boost Flyweight Library be accepted into the review queue. The latest public version of the library is described at http://lists.boost.org/Archives/boost/2007/11/130274.php There is no pre-appointed review manager for this library. Thank you, Joaquín M López Muñoz Telefónica, Investigación y Desarrollo

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[review] Review of Unordered library begins today December 7
by Ion Gaztañaga 19 Dec '07

19 Dec '07

Hi all, The formal review of the Unordered library, proposed by Daniel James, begins today : *Description*: An implementation of the unordered containers specified in TR1, with most of the changes from the recent draft standards. *Author*: Daniel James *Download*: http://www.boost-consulting.com/vault/index.php?action=downloadfile&filenam… The documentation is in the zip file. I've put documentation online here: http://igaztanaga.drivehq.com/unordered http://tinyurl.com/yw8wjp What to include in Review Comments ================================== Your comments may be brief or lengthy, but basically the Review Manager needs your evaluation of the library. If you identify problems along the way, please note if they are minor, serious, or showstoppers. Here are some questions you might want to answer in your review: * What is your evaluation of the design? * What is your evaluation of the implementation? * What is your evaluation of the documentation? * What is your evaluation of the potential usefulness of the library? * Did you try to use the library? With what compiler? Did you have any problems? * How much effort did you put into your evaluation? A glance? A quick reading? In-depth study? * Are you knowledgeable about the problem domain? And finally, every review should answer this question: * Do you think the library should be accepted as a Boost library? Be sure to say this explicitly so that your other comments don't obscure your overall opinion. Unordered containers are likely to become one of the most used Boost libraries so I encourage you to review the library in order to see if Unordered fulfills all your expectations. Ion Gaztañaga - Review Manager -

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[review][unordered] Unordered accepted
by Ion Gaztañaga 19 Dec '07

19 Dec '07

Hi to all, The Unordered library submitted by Daniel James has been *accepted* into Boost. Thanks to all reviewers and all who contributed to the library before the review. We've received 8 reviews (Thosten Ottosen, Chun Ping Wang, Hervé Brönnimann, John Torjo, Cromwell Enage, Jamie Allsop, Graham Mark and Paul Bristow), and all were positive (since Chun's only complain was packaging and his ratings were all above 7 out of 10). Darren Cook privately sent me a positive mini-review (attached below). If I've missed any review, please let me know. I plan to write a post this weekend with a summary of requests/suggestions and Daniel's replies. Congrats Daniel! Regards, Ion /////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////// Hi Ion, Not critical but the images seem to be missing. E.g. on http://igaztanaga.drivehq.com/unordered/unordered/buckets.html If I find time I will try out the library and write a review in the week, but here is a mini-review (feel free to forward to the list - I'm not subscribed at the moment): Documentation: * Fine * The concrete examples of how to use a custom type, and a custom hash function, and do everything in portable TR1, are wonderful - I've searched before and never been able to find something as clear as this seems to be. * In Table 1.4: "No equivalent. No idea why." is not very Boost-like :-) . Isn't the reason simply that there is no ordering in hash containers, so therefore no ordering function? > > * What is your evaluation of the potential usefulness of the library? > > * Do you think the library should be accepted as a Boost library? Yes. It is essential it gets into Boost as rapidly as possible; in fact I think it should be released as a patch to the current release. Having all of TR1 except for the hashed containers is a nasty red pimple on the otherwise very handsome nose of Boost. In particular, Visual C++ *still* does not ship with TR1 ("no plans until 2009" was the rumour I found), so anyone wanting to ship portable code is relying on Boost. And, at least for me, unordered_map is the single most useful library in TR1. Darren

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Re: [boost] [Boost-build] [1.35] what gets built and installed?
by Rene Rivera 19 Dec '07

19 Dec '07

Jurko Gospodnetic' wrote: > Hi Rene. > > Is there a simple way to 'build all variants' as was previously done > by default? The original thread mentioned some kind of a 'build all' > command line option. Yes, as mentioned in the --help blurb, there's a --build-type=complete option. > Also, as I said in the original thread, if this 'build all' command > line option gets implemented then it would be useful to update the > documentation with an example of how such things are done in Boost Build > for other Boost Build projects. All I did was change what the "default build" is in the top level project Jamroot. -- -- Grafik - Don't Assume Anything -- Redshift Software, Inc. - http://redshift-software.com -- rrivera/acm.org - grafik/redshift-software.com -- 102708583/icq - grafikrobot/aim - grafikrobot/yahoo

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Re: [boost] [rfc] A light weight statically typed matrix template class (again?)
by Dave Steffen 19 Dec '07

19 Dec '07

On Thursday 06 December 2007, Andreas Harnack wrote: > Hi @, > > shouldn't there be at least an elementary matrix class available > in the standard? I notice there have been some discussions in > the past, but there doesn't seem to be anything in the pipeline. > So, is there any interest in a (really!) light weight statically > typed matrix template class? No, there shouldn't be. :-) The C++ landscape is littered with such things, from simpler than your example to fantastically elaborate. See <http://www.oonumerics.org/oon/> for a sample. One of the big problems is that everyone wants something slightly different. Example: > > > #include <algorithm> > #include <functional> > > template<typename T, unsigned int M, unsigned int N> > class matrix > { > protected: > T m[M][N]; OK, this makes the matrix size a compile-time decision. This is ideal for some cases and anathema for others. [...] > > T& operator()(unsigned int i, unsigned int j) > { return m[i][j]; } > T const& operator()(unsigned int i, unsigned int j) > const { return m[i][j]; } OK, is that one-based or zero-based? Some people demand zero-based, others demand one-based. [...] > There are still a few essential but fairly basic things missing, > like matrix multiplication and transposing a matrix. Elementary > row operations might be useful as well for those, who want to > provide complex algorithms, but that's it, basically. There > shouldn't be anything in there that's more complicated than > that. (Matrices are such a general concept that it can be very > tricky, if not impossible, to provide any guaranties for > anything above the basic stuff.) OK, what does operator* mean? Inner product? Outer product? Direct product? > Any interest? Comments most welcome! I'm not saying your code is wrong, it's not; it's just fine for what you want. But it's not at all fine for what the general matrix-using population wants. As an example of a library that *does* try to fill all those needs, look at Boost's very own UBlas. Flexible, has all the options covered... and IMHO rather difficult to use, and also rather slow. An an example of a library that probably does exactly what you want, but way way fast, look at 'tvmet'. My point is, I guess, that general-purpose one-size-fits-all libraries have historically been hard to use and slow; libraries that are easy to use and fast are not applicable to all uses. I personally think this issue is rather fundamental to the "computer linear algebra" problem, and nobody has yet come up with The Good Solution (not for lack of work). (BTW, I think that UBlas + template typedefs [in whatever form we get them] will grow up to be a big, strong, fast, and very useful library some day. It doesn't fit my needs at all yet, so I'm using something else). My $0.02. -- Dr. David Steffen - Software Engineer 4 Numerica Corporation (www.numerica.us <http://www.numerica.us/> )

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Trac open bugs - by assignee
by Marshall Clow 19 Dec '07

19 Dec '07

[ 194 open bugs today, 195 yesterday ] If you are maintaining a library, and have not logged into the trac system at <http://svn.boost.org/trac/boost/>, please do so ASAP. Until you do that, no tickets can be assigned to you, and will remain under "None". Instructions on working with tickets can be found at: <http://svn.boost.org/trac/boost/wiki/TicketWorkflow> and a mapping of user names to "real names" can be found at: <http://svn.boost.org/trac/boost/report/16> Bug summary 18 az_sw_dude 17 dgregor 15 djowel 13 turkanis 12 doug_gregor 11 grafik 11 dave 9 agurtovoy 8 None 7 vladimir_prus 7 johnmaddock 6 jsiek 6 anthonyw 5 witt 4 igaztanaga 4 bemandawes 3 ramey 3 pdimov 3 jmaurer 3 ebf 3 danielw 2 urzuga 2 rogeeff 2 pavol_droba 2 niels_dekker 2 nesotto 2 nasonov 2 <Blank> 1 t_schwinger 1 speedsnail 1 shammah 1 samuel_krempp 1 matias 1 marshall 1 kaalus 1 hljin 1 hkaiser 1 dlwalker 1 burbelgruff 1 aaron_windsor <Blank> 1307 [lambda] invalid boostbook <Blank> 1434 Boost.Preprocessor_ small fix for the documentation None 1068 Mersenne twister disables streaming for Visual C++ None 1094 Finding the correct library to link (feature request for pkg-config support)h None 1222 lambda::ret<T> should declare result_type. None 1247 Typos in "boost/random/additive_combine.hpp"_ lines 68-69 None 1270 uniform_smallint doesn't compile with lagged_fibonacci random number generators None 1407 Boost is doesn't install on MacPorts using Leopard None 1493 SVN files making it through to install None 1515 [lambda] C4512 warnings from VC8.0 aaron_windsor 778 top-level configure is broken agurtovoy 1001 gcc 4.1.2 segfaults on mpl/test/apply.cpp agurtovoy 1051 MPL header ordering triggers bug agurtovoy 1099 unable to iterate through a "non-explicitly-declared" mpl::set agurtovoy 1215 Boost 1.34.1_ mpl: Wrong workaround detection using MinGW32 (or.hpp_ line #33) agurtovoy 1317 has_xxx randomly broken in msvc agurtovoy 1469 [mpl] nested typedef of set has two different meanings agurtovoy 1476 always<> is not nullary. agurtovoy 588 mpl::remove compile error with gcc 4.1.0 agurtovoy 640 documentation mistake anthonyw 1154 tss destruction segfaults in conjunction with dlopen/dlclose anthonyw 1168 [thread] tss crashes randomly anthonyw 1268 xtime_cmp changes to deal with overflow were reverted anthonyw 1470 Boost.Thread: Compilation errors with non-__cdecl calling convention anthonyw 876 xtime documentation incomplete anthonyw 881 errors when build with Apache stdcxx az_sw_dude 1028 typo in boost header: date_time/time_defs.hpp az_sw_dude 1078 from_iso_string cannot read the output from to_iso_string az_sw_dude 1098 Urgent libboost-date-time1.33.1 : bugs on ia64 ? az_sw_dude 1147 date_time library contains global #define ERROR az_sw_dude 1160 warning: month_format shadows a member of this az_sw_dude 1162 warning: ticks shadows a member of this az_sw_dude 1289 posix_time::time_facet forgets to pass a_ref argument to base class az_sw_dude 1299 change in typedef stringstream_type in format_date_parser.hpp causing compilation error az_sw_dude 1306 invalid docbook in date_period.xml az_sw_dude 1384 Linking problem with date_time library on Visual C++ 2008 Express az_sw_dude 1386 date_time documentation Jamfile breaks building of boost docs az_sw_dude 1524 format_date_parser.hpp(221) : cannot convert parameter 1 az_sw_dude 287 wrong usage of ios_base::narrow az_sw_dude 316 date_time type conversion warning az_sw_dude 604 from_ftime incorrectly processes FILETIME filled with zeros az_sw_dude 642 operator<< for gregorian::date_duration not found az_sw_dude 889 Insane Dependencies az_sw_dude 890 date_time library supports only the current dst rule bemandawes 1378 filesystem path invalid name for hidden files (LINUX) bemandawes 1389 filesystem::ostream << boost::format generates operator ambigious error (in MSVC++) bemandawes 1458 Darwin Tiger throws std::runtime_error: locale::facet::_S_create_c_locale name not valid bemandawes 752 directory_iterator doesn't work with catch burbelgruff 1503 typeof bug (big integral constant) danielw 1044 Argument pack inaccessable in a functions return type danielw 1054 Parameter takes an "infinite" amount of time to compile with the Intel compiler. danielw 1097 keyword.hpp generates many warnings C4180: qualifier applied to function type has no meaning; ignored dave 1010 linking boost.python on freebsd dave 1019 iterator_facade::pointer should be the return type of operator-> (DR 445) dave 1085 Python rules for compiling in Mac OS X dave 1179 [boost.python] can not export a union in VC2005sp1 dave 1181 [boost.python] can modify enum value dave 1387 Review / update docs to reflect changes dave 1460 Python classes with multiple bases are convertible only to the first class in the lists dave 1482 boost::python::throw_error_already_set should be marked noreturn dave 1516 [python] Failing VC9 regression tests dave 865 Use of C++0x keyword as identifier dave 910 gcc strict-aliasing problems with python dgregor 1003 [iostreams] copy-paste error in typedefs for wchar multichar_filters dgregor 1139 [iostreams] Regex filter segfaults when zero matches found dgregor 1140 boost::iostreams linked_streambuf bug dgregor 1149 Minor doc error in basic_null_device dgregor 1164 Floyd Warshall broken with unsigned edge weights dgregor 1185 iostreams::direct_streambuf<T_Tr>::is_open always returns false if output iterator is not null dgregor 1192 [boostbook] problem when two files have the same name dgregor 1199 configure doesn't work with path containing whitespaces (MacOS X) dgregor 1232 mapped_file_source::is_open() is broken under windows dgregor 1310 [result_of] const-qualified function pointer doesn't work dgregor 1326 Unable to check graph isomorphism using LEDA adapter dgregor 1391 dominator_tree_test on Borland/CodeGear outputs overly long line dgregor 1394 Translate libs/graph/build/python/Jamfile to BBv2 dgregor 1395 Write Tests for Python Bindings dgregor 556 Bundled graph properties dgregor 732 Johnson All-Pairs needs better "no path" information dgregor 736 Const correctness violation djowel 1170 Emit Warnings instead of # symbols in the syntax highlighter djowel 1171 Quickbook title output djowel 1172 non-utf djowel 1176 Space after inline code djowel 1206 Escaping from within code? djowel 1273 CR+LF newlines in position_iterator djowel 1276 spirit problem with _GLIBCXX_DEBUG djowel 1277 Closing section like [pre with } causes Quickbok to crash djowel 1280 sections in imported source files get put inside <para> elements in docbook output djowel 1281 Quickbook produces invalid BoostBook/DocBook XML djowel 1324 tuple should have a swap() that operates element-by-element djowel 1396 wrong result_of invocation around transform_view djowel 1436 [quickbook] inline code inside headings djowel 1484 Quickbook produces illegal docbook for some docinfo fields. djowel 1500 [Spirit/Phoenix] C4512 Compiler warnings from VC8 dlwalker 613 boost/crc.hpp uses non-standard conforming syntax doug_gregor 1021 [Graph][reverse_graph] Problem using reverse_graph adapter with an adapted user defined graph doug_gregor 1076 compile error: disconnecting struct with operator()() doesn't work in VS2005 SP1 doug_gregor 375 LEDA graph adaptors do not handle hidden nodes properly doug_gregor 402 random_vertex/random_edge are unnecessarily inefficient doug_gregor 403 Document copy_component doug_gregor 447 reverse_graph and constness of property maps doug_gregor 708 Dijkstra no_init version should not require VertexListGraph doug_gregor 733 Numbered headers don't work with "preferred" syntax doug_gregor 735 Fruchterman-Reingold grid performance can be improved doug_gregor 738 Memory leaks with signal::connect? doug_gregor 829 Implicit graph not implement doug_gregor 852 Problem with Boost and GCC 4.1 ebf 1507 [variant] C4512 warnings from VC8.0 ebf 965 [doc] boost::variant tutorial - final example uses v1_v2 should be seq1_seq2 ebf 993 Variant should use least common multiple of alignments_ rather than maximum grafik 1041 Cygwin requires PATH setting. grafik 1062 Cygwin install stage fails with combination of patches grafik 1322 trac rejects patch attachment as spam grafik 1417 Regresson tests hang in Darwin (Tiger) grafik 1430 Regression fails under Cygwin grafik 1433 Trac's spam detection rejects too many valid messages grafik 1512 Broken link to vacpp in bjam docs. grafik 1513 Broken link to bcpp in bjam docs. grafik 616 Boost Jam_ and non english directorys grafik 959 linking fails when Boost is compiled with STLport 5.1.* on Linux (names mismatch) grafik 986 Problem building Python modules on boost 1.34.0 hkaiser 1079 boost-1.34.0 fails to compile. concept checks not satisfied. hljin 1522 bit_range friend decl in bit_aligned_pixel_reference.hpp needs to be fully qualified for gcc 4.3 mainline igaztanaga 1080 boost::interprocess win32 global file mapping issue igaztanaga 1210 interprocess::barrier hangs during second use under linux (boost 1.33.1) igaztanaga 1231 interprocess_condition (emulated) hangs after notify_all(). igaztanaga 1390 Interpocess: managed shared memory failing completely under OS X jmaurer 351 Diff in state of mersenne_twister gen between GCC3.41 & CW9 jmaurer 599 uniform_01 copies engine instead of using a reference jmaurer 819 uniform_int<> with type's maximum availaible range error johnmaddock 1081 Empty string rejected as perl-style regex johnmaddock 1314 Using SSE-intrinsics in VC8 causes static assert in type_with_alignment.hpp johnmaddock 1411 Fix BOOST_PARTIAL_SPECIALIZATION_EXPLICT_ARGS johnmaddock 1440 libs/config/test/link/Jamfile.v2 confuses process_jam_log johnmaddock 1446 POSIX API doesn't use C locale johnmaddock 1451 error: use of C99 long long integer constant johnmaddock 1511 Non latin symbols in regexp jsiek 416 Spelling of Edmonds-Karp-Algorithm jsiek 575 Calling subgraph::global_to_local on a root graph jsiek 636 strange compiling problem for transitive_closure jsiek 815 remove_edge core dumps on self-circle jsiek 875 No iterator based constructor for adjacency_matrix jsiek 900 graphml reader namespace handling is broken kaalus 1184 property_tree assignment (operator) bug marshall 1252 [pool] severe overhead with unaligned sizes. matias 1406 Understanding the Tables outdated nasonov 1220 lexical_cast requires RTTI nasonov 754 boost::any - typeid comparison across shared boundaries nesotto 1284 [range] sub_range assignment issue nesotto 1464 boost_range_array unused in several array_size() functions niels_dekker 1459 value_initialized leaves data uninitialized_ when using Borland niels_dekker 1491 value_initialized leaves data uninitialized_ when using GCC pavol_droba 1152 rle_example fails pavol_droba 1385 begin must be boost-qualified pdimov 1106 shared_ptr<T> should not convert to shared_ptr<U> when T* doesn't convert to U* pdimov 1444 scoped_ptr::operator== should be equivalent to a.get()==b.get()_ but is currently !!a==!!b pdimov 779 gcc-4.2 atomicity.h location ramey 1038 "<" and ">" should be excaped in xml_oarchive ramey 1121 xml_archive_exception is missing seperate header file_ and documentation mismatch ramey 1508 text_map_binary_archive failure rogeeff 1383 signal.h features not found on Mac OS rogeeff 1489 BOOST_CHECK_CLOSE fails to compile with templated value type samuel_krempp 859 boost::format ignores a user defined locale shammah 386 boost::pool_allocator breaks with vector of vectors speedsnail 1138 Problems with TSS and static thread library t_schwinger 1100 Building boost.function_types fails cvs rev-1.1_ no chdir command in bash turkanis 1002 [iostreams] close_impl<closable_tag> does not comply with spec turkanis 1033 iostreams::restrict doesn't work on an iostreams::file_source turkanis 1070 [iostreams]boost\iostreams\copy.hpp line80 copy_impl turkanis 1523 [iostreams] VC8/VC9 compiler warnings turkanis 525 problem with boost::iostreams when compiled with Visual C++ turkanis 699 Changing size of memory-mapped file on Windows turkanis 786 bug in iostreams/copy.hpp line 81 turkanis 791 iostreams::tee_filter is for output only turkanis 817 Performance problem in iostreams turkanis 822 Incorrect usage of bad_write()_ bad_seek() etc. turkanis 823 Seekable file_descriptor_source /sink? turkanis 824 BOOST_IOSTREAMS_HAS_LSEEK64 on Mac OS X turkanis 856 iostreams file_descriptor::write fails under Win32 urzuga 574 [boost::lambda] Compile error with libstdc++ debug mode urzuga 781 Lambda: (_1 + "y")(string("x")) Doesn't Compile vladimir_prus 1165 more quoting problems vladimir_prus 1274 Useless error message vladimir_prus 1275 boost::program_options::validation_error::what() is private vladimir_prus 1321 invalid docbook in tool documentation vladimir_prus 1527 [program_options] Second (and subsequent) lines in tabbed text not aligned correctly vladimir_prus 469 multitoken broken vladimir_prus 689 [program_options] Endless loop with long default arguments witt 1046 Boost.Python quickstart instructions mention nonexistent target witt 583 Fixes for build on IBM pSeries for AIX and Linux witt 834 Homepage regression links witt 957 The "Getting Started" page does not mention the stdlib option witt 973 zip_iterator has value_type == reference -- -- Marshall Marshall Clow Qualcomm, Inc. <mailto:mclow@qualcomm.com> The famous British scientist, Lord Kelvin, said: "When you measure what you are speaking about and express it in numbers, you know something about it, but when you cannot (or do not) measure it, when you cannot (or do not) express it in numbers, then your knowledge is of a meagre and unsatisfactory kind."

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[1.35] what gets built and installed?
by John Maddock 19 Dec '07

19 Dec '07

If I do a: bjam stage --toolset=msvc-8.0 --with-regex Then with 1.35 I don't get any static libraries built, just the dll's. Was this a deliberate change somewhere? It's a problem because the default for auto-linking is to look for static rather than dynamic libraries. John.

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Re: [boost] [asio] socket_types.hpp rev. 42119 broke HP-UX/aCC
by Boris Gubenko 19 Dec '07

19 Dec '07

Boris Gubenko wrote: > I don't think a macro identifying version of HP-UX exists, but I'll > ask and report back on the list. As I suspected, HP-UX does not have OS version macro. Thanks, Boris

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