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[BGL] relax.hpp regression
by Vladimir Prus 23 Jun '05

23 Jun '05

Hi, some time ago I've reported a problem with dag_shortest_paths that occurs when I'm searching for the *longest* path by appropriately changing inf/compare operators. I've fixed that problem by change in dag_shortest_paths.hpp, but looks like it's back after changes to relax.hpp. I attach my original report, which has a test program. When using version 1.21 of graph/relax.hpp, it produces the expected outcome '2'. When using version 1.22, I get 2147483647 Revision 1.22 is: revision 1.22 date: 27/10/2004 18:38; author: dgregor Merge from graph_devel_1_33_0 branch And the only commit on that branch does not clarify anything either: revision 1.21.8.1 date: 15/10/2004 18:54; author: dgregor Added several algorithms: - random graph layout - Fruchterman-Reingold layout - A* search - Floyd-Warshall all-pairs shortest paths Fixes for several algorithms: - Documentation for Johnson all-pairs shortest paths - Bellman-Ford single-source shortest paths Any ideas? - Volodya

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McAfee is using Boost
by Jeff Garland 23 Jun '05

23 Jun '05

Just happened to run across this page on the internet by accident. If you look at the copyrights (bottom of page) it's clear they are using a bunch of Boost libs. http://betavscan.mcafeeasap.com/beta/docs/readme/Readme.html Not sure if we should add them without permission -- but it is one of those cases where the info is in the public domain... Jeff

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[acc][test] missing include in boost/test/progress_monitor.hpp
by JOAQUIN LOPEZ MU?Z 23 Jun '05

23 Jun '05

Recent tests from FFT-aCC for HP aCC 6.00 seem to point at a missing #include <ostream> in boost/test/progress_monitor.hpp: http://tinyurl.com/8v445 This is currently blocking many many testcases in FFT-aCC. I can propose & commit a patch for this in about 10 hrs, unless someone takes the job before. Joaquín M López Muñoz Telefónica, Investigación y Desarrollo

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Re: [boost] Digital Mars C++ regression tests
by Aleksey Gurtovoy 23 Jun '05

23 Jun '05

David Abrahams writes: > Its performance with our tests is not too impressive. Only 4 libraries > pass. Well: 1) At this point the results are lacking _any_ mark up whatsoever, which makes the summary report look more pessimistic when it actually is. Click through individual library results, and you'll see it. 2) A lot of the failures are due to a failure to build Boost.Test. Until this fixed, the results will look more pessimistic than they actually are. 3) When you first throw your code against a new compiler, there is always a chance of coming across a language corner that the standard and the compiler disagree about (unless the compiler is 100% standard compliant, which, as we all know, not a single one is), and if that piece of code happens to be in a widely reusable library, then again, this is going to shadow the actual compiler standing. I suspect we have a few such cases here. IOW, give things some time to sort themselves out. > Is it really worth spending resources on testing this compiler? Despite what your initial impression might be, it's a good compiler, and in past Walter has been quite responsive to fixing Boost-related problems. Give it a chance. People are using it, and the C++ community needs more, not less choice. -- Aleksey Gurtovoy MetaCommunications Engineering

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[acc] FFT-aCC results surprisingly good?
by JOAQUIN LOPEZ MU?Z 23 Jun '05

23 Jun '05

A new regression engine for HP-UX acc has just entered (FFT-aCC), and the success rate is surprisingly high, given that: 1. The compiler has made it very late to the Boost 1.33 scene --some complex new libs, like Boost.Parameter didn't have previous exposure to the compiler AFAIK and yet they work flawlessly. 2. Previous versions of aCC were notoriously buggy --for instance, Dave&Aleksey's MPL book lists HP aCC 03.55 as a lost case. Now, +90% of the MPL tests pass! 3. Many many test cases fail for the same single reason (more on this on a later post), so the actual sucess rate could be even higher. So, what's new with aCC 06.00 (I think this is the version no)? Did they switch to an EDG-based core or something? Anyone familiar with it? In any case, kudos to the devteam. Joaquín M López Muñoz Telefóinca, Investigación y Desarrollo

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[acc] FFT-aCC results surprisingly good?
by JOAQUIN LOPEZ MU?Z 23 Jun '05

23 Jun '05

A new regression engine for HP-UX acc has just entered (FFT-aCC), and the success rate is surprisingly high, given that: 1. The compiler has made it very late to the Boost 1.33 scene --some complex new libs, like Boost.Parameter didn't have previous exposure to the compiler AFAIK and yet they work flawlessly. 2. Previous versions of aCC were notoriously buggy --for instance, Dave&Aleksey's MPL book lists HP aCC 03.55 as a lost case. Now,

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Boost regression notification (2005-06-22)
by Douglas Gregor 23 Jun '05

23 Jun '05

Boost regression test failures ------------------------------ Report time: 2005-06-22T14:52:40Z Purpose: You are receiving this report because one of the libraries you maintain has regression test failures that are not accounted for. The report is also copied to the Boost mailing list. Detailed report: http://engineering.meta-comm.com/boost-regression/CVS-HEAD/developer/issues… 547 failures in 18 libraries: assign (2) config (1) date_time (12) graph (1) io (1) iterator (2) parameter (1) program_options (20) ptr_container (1) python (22) random (5) regex (3) serialization (441) spirit (10) test (8) thread (9) type_traits (1) wave (7) |assign| list_of: intel-win32-8_1 intel-win32-8_1 |config| config_link_test: gcc-3_3-darwin |date_time| testdate_dll: gcc-3_3-darwin testdate_duration_dll: gcc-3_3-darwin testdate_input_facet_dll: gcc-3_3-darwin testdate_iterator_dll: gcc-3_3-darwin testfacet_dll: gcc-3_3-darwin testformatters_dll: gcc-3_3-darwin testgenerators_dll: gcc-3_3-darwin testgreg_cal_dll: gcc-3_3-darwin testgreg_day_dll: gcc-3_3-darwin testgreg_month_dll: gcc-3_3-darwin testgreg_year_dll: gcc-3_3-darwin testperiod_dll: gcc-3_3-darwin |graph| gursoy_atun_layout_test: intel-8.1-linux |io| ios_state_unit_test: intel-win32-8_1 |iterator| filter_iterator_test: 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test_variant_text_archive_dll: cw-9_5-darwin gcc-3_3-darwin test_variant_text_warchive_dll: cw-9_5-darwin gcc-3_3-darwin test_variant_xml_archive_dll: cw-9_5-darwin gcc-3_3-darwin test_variant_xml_warchive_dll: cw-9_5-darwin gcc-3_3-darwin test_vector_binary_archive_dll: gcc-3_3-darwin test_vector_text_archive_dll: cw-9_5-darwin gcc-3_3-darwin test_vector_text_warchive_dll: cw-9_5-darwin gcc-3_3-darwin test_vector_xml_archive_dll: cw-9_5-darwin gcc-3_3-darwin test_vector_xml_warchive_dll: cw-9_5-darwin gcc-3_3-darwin test_void_cast_dll: gcc-3_3-darwin |spirit| bug_000008: gcc-3_3-darwin bug_fixes: cw-9_5-darwin bug_fixes_debug: cw-9_5-darwin grammar_mt_tests: gcc-3_3-darwin numerics_tests: gcc-3.2.3-linux numerics_tests_debug: gcc-3.2.3-linux owi_mt_tests: gcc-3_3-darwin gcc-3_3-darwin scoped_lock_tests: gcc-3_3-darwin scoped_lock_tests_debug: gcc-3_3-darwin |test| errors_handling_test: cw-9_5-darwin vc-8_0 test_fp_comparisons: borland-5_6_4 test_tools_test: cw-9_4 cw-9_4 cw-9_5-darwin token_iterator_test: gcc-2.95.3-linux gcc-2.95.3-linux |thread| test_barrier: gcc-3_3-darwin test_condition: gcc-3_3-darwin test_mutex: gcc-3_3-darwin test_once: gcc-3_3-darwin test_read_write_mutex: borland-5_6_4 gcc-3_3-darwin test_thread: gcc-3_3-darwin test_tss: gcc-3_3-darwin test_xtime: gcc-3_3-darwin |type_traits| remove_extent_test: vc-8_0 |wave| test_re2c_lexer: cw-9_4 test_slex_lexer: cw-9_4 testwave: cw-8_3 cw-9_4 cw-9_5-darwin gcc-3.2.3-linux gcc-3.3.6-linux

5 7

Adobe Reader is using Boost
by John Maddock 23 Jun '05

23 Jun '05

I think we could have all guessed this anyway, but if you take a look in the "Patent and Legal Notices" for Adobe Reader 7, you'll find actually find a *lot* of Open Source licences, among them being the BSL and a lot of very familiar names. I guess that puts Boost technology (albeit indirectly) on almost every desktop. Just thought you might be interested, John.

2 1

Boost.Range naming
by David Abrahams 23 Jun '05

23 Jun '05

I don't remember whether I expressed these concerns earlier, but I don't think most of the names ought to have been in namespace boost. For example, names like range_xxxx are crying out for a range:: namespace in which to put a component called xxxx. Also, names like begin and end are so general and important that I think they should have been in boost::range, with perhaps an optional header that brings them into namespace boost via using declaration. -- Dave Abrahams Boost Consulting www.boost-consulting.com

2 10

[variant] passing visitors to apply_visitor()
by Yuval Ronen 23 Jun '05

23 Jun '05

Hi. When I want to apply a visitor to a variant, I currently have 2 choices: boost::apply_visitor( my_visitor(), my_variant ); and my_visitor mv; my_variant.apply_visitor( mv ); A tempting 3rd choice of my_variant.apply_visitor( my_visitor() ); doesn't work because the variant::apply_visitor member function accept a const visitor ref, which means it can't be a temporary object. Moreover, the first option (boost::apply_visitor freestanding function) also has a problem - it only accepts non-const variants. I'm not really sure, but I guess that all these limitation are originated from the desire to pass the visitor by ref, and it's not always possible to provide both const-ref and non-const-ref overloads. My question is: why by reference and not by value? I see visitors as a kind of function objects, and I think that's how it was meant to be seen. Function objects are usually passed by value, so why should visitors be any different? I couldn't find anything relevant to this in the docs. Passing by value will allow the much more appealing syntax I presented as the 3rd option, and it will remove the limitation from the freestanding function. Makes sense or complete nonsense? Thanks, Yuval

1 0