- Boost - lists.boost.org

Re: [boost] fusion fold behaves as reverse_fold
by dan marsden 13 Jun '07

13 Jun '07

Christian Holmquist wrote: >In order to use the latest result_of mechanism in fusion, I updated my >working copy from cvs head a couple of hours ago. > >The following example from the fusion documentation asserts, and I >experienced similiar behaviour in my code, which stopped working. >The generated string in the example is "21", not "12" as expected. > >Is there something with fold() that have changed? Yes, some loop unrolling was added to the algorithms, incorrectly in this case as you've found. Fold and accumulate have been corrected in cvs head. I've also tightened up our unit tests, as this regression was not picked up in the tests. Thanks for spotting this one. Cheers Dan ___________________________________________________________ Yahoo! Mail is the world's favourite email. Don't settle for less, sign up for your free account today http://uk.rd.yahoo.com/evt=44106/*http://uk.docs.yahoo.com/mail/winter07.ht…

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Boost inspection notification (2007-06-13/RC_1_34_0) *X*
by Rene Rivera 13 Jun '07

13 Jun '07

Boost Inspection Report Run Date: 16:07:49 UTC, Wednesday 13 June 2007 An inspection program <http://www.boost.org/tools/inspect/index.html> checks each file in the current Boost CVS for various problems, generating this as output. Problems detected include tabs in files, missing copyrights, broken URL's, and similar misdemeanors. Totals: 11452 files scanned 909 directories scanned (including root) 163 problems reported Problem counts: 0 files with invalid line endings 0 bookmarks with invalid characters 3 invalid urls 71 broken links 21 unlinked files 22 file/directory names issues 2 files with tabs 9 violations of the Boost min/max guidelines 35 usages of unnamed namespaces in headers (including .ipp files) Summary: archive (3) bind (1) boost-root (1) build (1) date_time (1) doc (2) filesystem (3) graph (3) iostreams (2) lambda (3) math (8) more (4) mpl (4) multi_array (2) ptr_container (1) python (8) regex (1) regression (32) serialization (1) test (81) type_traits (1) Details: *R* invalid (cr only) line-ending *A* invalid bookmarks, invalid urls, broken links, unlinked files *N* file/directory names issues *T* tabs in file *M* uses of min or max that have not been protected from the min/max macros, or unallowed #undef-s *U* unnamed namespace in header |archive| boost/archive/basic_streambuf_locale_saver.hpp: 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Boost inspection notification (2007-06-13/RC_1_34_0) *LC*
by Rene Rivera 13 Jun '07

13 Jun '07

Boost Inspection Report Run Date: 16:07:57 UTC, Wednesday 13 June 2007 An inspection program <http://www.boost.org/tools/inspect/index.html> checks each file in the current Boost CVS for various problems, generating this as output. Problems detected include tabs in files, missing copyrights, broken URL's, and similar misdemeanors. Totals: 11452 files scanned 909 directories scanned (including root) 1059 problems reported Problem counts: 661 files missing Boost license info or having wrong reference text 398 files missing copyright notice Summary: any (1) archive (1) build (68) concept_check (22) conversion (5) doc (1) filesystem (2) function (1) graph (1) inspect (1) integer (9) lambda (10) libs (6) logic (2) math (1) more (13) mpl (417) multi_array (13) numeric (188) optional (1) people (4) program_options (35) property_map (15) ptr_container (8) python (14) rational (5) regex (4) regression (118) release (2) serialization (16) signals (2) smart_ptr (8) test (3) timer (1) tr1 (2) tuple (5) utility (12) variant (42) Details: *L* missing Boost license info, or wrong reference text *C* missing copyright notice |any| libs/any/doc/ any.xml: *L* |archive| boost/archive/detail/ utf8_codecvt_facet.hpp: *L* |build| tools/build/v2/build/ build-request.jam: *L* modifiers.jam: *L* tools/build/v2/doc/ Jamfile.v2: *C* *L* tools/build/v2/doc/src/ advanced.xml: *C* *L* architecture.xml: *C* *L* catalog.xml: *C* *L* extending.xml: *C* *L* faq.xml: *C* *L* fragments.xml: *C* *L* howto.xml: *C* *L* install.xml: *C* *L* recipes.xml: *C* *L* reference.xml: *C* *L* standalone.xml: *C* *L* tutorial.xml: *C* *L* userman.xml: *C* *L* tools/build/v2/example/generate/ REAME.txt: *C* *L* a.cpp: *C* *L* tools/build/v2/example/generator/ README.txt: *C* *L* soap.jam: *C* *L* tools/build/v2/example/python_modules/ python_helpers.jam: *C* *L* python_helpers.py: *C* *L* tools/build/v2/test/ abs_workdir.py: *C* *L* dependency_property.py: *L* dependency_test.py: *C* *L* direct_request_test.py: *C* *L* dll_path.py: *L* double_loading.py: *L* duplicate.py: *L* echo_args.jam: *C* *L* empty.jam: *C* *L* expansion.py: *L* explicit.py: *L* gcc_runtime.py: *L* tools/build/v2/test/project-test3/lib3/ Jamfile: *C* *L* tools/build/v2/test/ readme.txt: *C* *L* svn_tree.py: *L* tag.py: *L* test_system.html: *L* tools/build/v2/tools/ sun.jam: *L* xsltproc.jam: *L* |concept_check| libs/concept_check/ bibliography.htm: *L* concept_check.htm: *L* concept_covering.htm: *L* creating_concepts.htm: *L* libs/concept_check/doc/ Jamfile.v2: *C* *L* libs/concept_check/doc/reference/ Assignable.xml: *L* BidirectionalIterator.xml: *L* CopyConstructible.xml: *L* DefaultConstructible.xml: *L* EqualityComparable.xml: *L* ForwardIterator.xml: *L* InputIterator.xml: *L* LessThanComparable.xml: *L* OutputIterator.xml: *L* RandomAccessIterator.xml: *L* SignedInteger.xml: *L* concepts.xml: *L* libs/concept_check/ implementation.htm: *L* prog_with_concepts.htm: *L* reference.htm: *L* using_concept_check.htm: *L* |conversion| libs/conversion/ cast.htm: *L* index.html: *C* *L* lexical_cast.htm: *L* libs/conversion/test/ Jamfile.v2: *L* |doc| doc/html/ docutils.css: *L* |filesystem| libs/filesystem/doc/ tr2_proposal.html: *L* libs/filesystem/src/ utf8_codecvt_facet.hpp: *L* |function| boost/function/detail/ gen_maybe_include.pl: *L* |graph| libs/graph/doc/ lengauer_tarjan_dominator.htm: *L* |inspect| tools/inspect/build/ Jamfile.v2: *L* |integer| libs/integer/ cstdint.htm: *C* *L* libs/integer/doc/ integer_mask.html: *L* static_min_max.html: *L* libs/integer/ index.html: *C* *L* integer.htm: *L* integer_traits.html: *C* *L* |lambda| libs/lambda/doc/ Jamfile.v2: *C* *L* libs/lambda/doc/detail/ README: *C* *L* lambda_doc.xsl: *C* *L* lambda_doc_chunks.xsl: *C* *L* libs/lambda/test/ Makefile: *C* *L* |libs| libs/ expected_results.xml: *C* *L* maintainers.txt: *C* *L* platform_maintainers.txt: *C* *L* |logic| libs/logic/doc/ Jamfile.v2: *C* *L* |math| boost/math/ common_factor_rt.hpp: *L* |more| more/ error_handling.html: *L* generic_exception_safety.html: *C* *L* generic_programming.html: *L* getting_started.rst: *C* *L* moderators.html: *C* regression.html: *C* *L* report-apr-2006.html: *C* *L* report-jan-2006.html: *C* *L* |mpl| libs/mpl/doc/src/refmanual/ ASSERT.rst: *C* *L* ASSERT_MSG.rst: *C* *L* ASSERT_NOT.rst: 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[Report] 41 regressions on RC_1_34_0 (2007-06-13)
by Douglas Gregor 13 Jun '07

13 Jun '07

Boost Regression test failures Report time: 2007-06-13T04:22:55Z This report lists all regression test failures on release platforms. Detailed report: http://engineering.meta-comm.com/boost-regression/CVS-RC_1_34_0/developer/i… 41 failures in 4 libraries filesystem (1) program_options (5) test (33) wave (2) |filesystem| operations_test_dll: gcc-cygwin-3.4.4 |program_options| cmdline_test_dll: gcc-cygwin-3.4.4 options_description_test_dll: gcc-cygwin-3.4.4 parsers_test_dll: gcc-cygwin-3.4.4 positional_options_test_dll: gcc-cygwin-3.4.4 variable_map_test_dll: gcc-cygwin-3.4.4 |test| boost_check_equal_str: gcc-cygwin-3.4.4 gcc-mingw-3.4.2 gcc-mingw-3.4.5 errors_handling_test: gcc-cygwin-3.4.4 gcc-mingw-3.4.2 gcc-mingw-3.4.5 fixed_mapping_test: gcc-cygwin-3.4.4 gcc-mingw-3.4.2 gcc-mingw-3.4.5 ifstream_line_iterator_test: gcc-cygwin-3.4.4 gcc-mingw-3.4.2 gcc-mingw-3.4.5 output_test_stream_test: gcc-cygwin-3.4.4 gcc-mingw-3.4.2 gcc-mingw-3.4.5 parameterized_test_test: gcc-cygwin-3.4.4 gcc-mingw-3.4.2 gcc-mingw-3.4.5 result_report_test: gcc-cygwin-3.4.4 gcc-mingw-3.4.2 gcc-mingw-3.4.5 test_case_template_test: gcc-cygwin-3.4.4 gcc-mingw-3.4.2 gcc-mingw-3.4.5 test_fp_comparisons: gcc-cygwin-3.4.4 gcc-mingw-3.4.2 gcc-mingw-3.4.5 test_tools_test: gcc-cygwin-3.4.4 gcc-mingw-3.4.2 gcc-mingw-3.4.5 token_iterator_test: gcc-cygwin-3.4.4 gcc-mingw-3.4.2 gcc-mingw-3.4.5 |wave| testwave_dll: gcc-cygwin-3.4.4 gcc-mingw-3.4.5

1 0

fusion fold behaves as reverse_fold
by Christian Holmquist 13 Jun '07

13 Jun '07

In order to use the latest result_of mechanism in fusion, I updated my working copy from cvs head a couple of hours ago. The following example from the fusion documentation asserts, and I experienced similiar behaviour in my code, which stopped working. The generated string in the example is "21", not "12" as expected. Is there something with fold() that have changed? struct make_string { template<typename T, typename State> struct result { typedef std::string type; }; template<typename T> std::string operator()(const T& t, const std::string& str) const { return str + boost::lexical_cast<std::string>(t); } }; ... const vector <file://///chrhol06/Studio8/thirdparty/boost/libs/fusion/doc/html/fusion/sequences/containers/vector.html><int,int> vec(1,2); assert(fold <file://///chrhol06/Studio8/thirdparty/boost/libs/fusion/doc/html/fusion/algorithms/iteration/functions/fold.html>(vec,std::string(""), make_string()) == "12"); / Christian

1 0

Passing result of boost::assign::list_of/map_list_of to ctor
by Daveus, Fredrik 13 Jun '07

13 Jun '07

I want to pass the result of a map_list_of call as an argument to a class ctor, but the only way I've managed to do this is by using some stuff from the assign_detail namespace. Is there any other (more elegant) way of achieving this? See example code below. Thanks/Rgds, Fredrik class A { public: typedef map<int, int> map_type; // Simply using the container iterator type doesn't seem to work since one needs the // iterator of the impl_type defined in assign_detail::generic_list which is // publicly exposed as generic_list<T>::const_iterator. typedef boost::assign_detail::generic_list<std::pair<int, int> >::const_iterator c_it; A(c_it _first, c_it _last) : m_map(_first, _last) { } private: map<int, int> m_map; }; void test() { A a(map_list_of(1,1)(2,2)); } This e-mail, its content and any files transmitted with it are intended solely for the addressee(s) and may be legally privileged and/or confidential. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message and any attachments which arise as a result of e-mail transmission. If verification is required please request a hard-copy version. This message is provided for information purposes and should not be construed as a solicitation or offer to buy or sell any securities or related financial instruments. Canadian Imperial Bank of Commerce is a bank incorporated in Canada pursuant to the Bank Act(Canada)with its Head office at Toronto ,Canada,registered UK branch: Cottons Centre,Cottons Lane,London SE1 2QL.UK ,registration number FC001165,branch number BR000397; CIBC World Markets plc is incorporated and registered in England &Wales,registration number 2733036,registered office: Cottons Centre,aforesaid.

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Re: [boost] [Fusion] Notice of breaking change
by dan marsden 13 Jun '07

13 Jun '07

shunsuke wrote: >dan marsden wrote: >> The above change has now been applied. Docs upgrades will follow in the next few days. > >The usage of boost::result_of is right? > >IIRC, for example, <transform_view/detail/apply_transform_result.hpp> should be > > > template <typename T0> > struct apply<T0, void_> > : boost::result_of<F(typename add_reference<T0>::type)> > {}; > >, because the object passed to a functor is lvalue. I'm not sure about this. The function object f is called with f(*it). The dereference may return either l or rvalues depending on its implementation. The Boost.ResultOf docs are not specific about passing T versus T&. Looking a the draft TR1 docs, if Ti is a reference ti is an lvalue, otherwise it is an rvalue. As rvalues are possible, the above code looks correct. Assuming Boost.ResultOf behaves like the TR1 spec, I think the above is ok(?) It is possible this usage is not consistent correct across Fusion though. I'll have a review of the result_of usage shortly when I get a chance. Thanks Dan ___________________________________________________________ Yahoo! Answers - Got a question? Someone out there knows the answer. Try it now. http://uk.answers.yahoo.com/

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Re: [boost] Cross boost for arm-linux
by Prathap KV 13 Jun '07

13 Jun '07

hi I am using boost for gnash support package. $cd tools/jam/src/ Then i executed build.sh. I got an executable file bjam under the new directory bin.linuxx86. Then again i went to the $TOPDIR. I added the bjam to the PATH variable.and executed: $bjam -sTOOLS=arm-linux-gcc (What i have done till is r8?) But it ends up showing a lot of errors. Which files i have to edit to give support to arm-linux. Thanks & Regards Prathap Prathap wrote: > I am a newbie to boost. I tried to cross-build boost. But no results. > Can any one please tell me how i can build boost for arm-linux from > i386-linux. I am using boost_1_34_0. This is not a direct answer to your question. I write C++ code on an x86 PC and cross-compile to an ARM system, but I have avoided cross-compiling Boost itself. I run Debian on both the x86 system and the ARM system (an NSLU2), and I have installed the Debian ARM Boost libraries on the x86 system using dpkg-cross and apt-cross. This is method works very smoothly for me. Of course, it only works if the libraries that you need are in Debian, but most are. Also note that many Boost libraries are header-only, so no cross-compilation is needed. Hopefully someone else will reply with a more direct answer for you. But I strongly suggest that you provide more information about your problem than "But no results". If you post exactly what you did, and exactly what happened in response, there is more chance that someone will spot the problem. Regards, Phil.

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bug in graph library???
by ANDREEA Picu 13 Jun '07

13 Jun '07

Hello, I'm trying to use the boost graph library and I have a little problem with its implementation of Dijkstra. dijkstra_shortest_paths throws a negative_edge exception and I _do not_ have any negative edge in my graph (checked it both when I add the edges and their weights to the graph and by iterating through the edges once I finish constructing it). Did anyone have a similar problem? Thanks. Andreea

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Independent Libraries Versioning proposal
by Gennadiy Rozental 12 Jun '07

12 Jun '07

Hi, Following David A. recommendation I put up a wiki page that presents initial version of my proposal for boost development environment, testing and release procedures. http://svn.boost.org/trac/boost/wiki/IndependentLibraryVersioning It's still missing one key piece - version selection algorithm. I just don't have time to complete it now and won't until weekend. But it should be complete enough to explain all the key points (and some more). I shamelessly stole couple statements from Beman's objective section. Well, we do have similar objectives ;) Any comments are welcome. Regards, Gennadiy

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