January 2006 - Boost - lists.boost.org

[filesystem] new filesystsem library broken for Borland
by AlisdairM 26 Jan '06

26 Jan '06

The latest CVS version of the filesystem library is broken for the Borland compiler. It needs the same workaround already applied for MSVC and earlier: cvs diff -- boost\filesystem\path.hpp (in directory E:\sourceforge\devel\boost\) Index: boost/filesystem/path.hpp =================================================================== RCS file: /cvsroot/boost/boost/boost/filesystem/path.hpp,v retrieving revision 1.17 diff -r1.17 path.hpp 590c590,591 < # if !defined( BOOST_MSVC ) || BOOST_MSVC > 1300 // bypass VC++ 7.0 and earlier --- > // bypass VC++ 7.0 and earlier, and broken Borland compilers > # if !BOOST_WORKAROUND( BOOST_MSVC, <= 1300 ) && !BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT(0x581) ) Note that the patch has been tested with the new compiler, as well as BCB6 in the online regression testing. I plan a more complete set of BCB2006 patches later this week, but will try to get BCB6 tests passing again first. There is a second problem in convenience.hpp, where system_message cannot be seen in the surrounding namespace. A quick and dirty fix would be: cvs diff -- boost\filesystem\convenience.hpp (in directory E:\sourceforge\devel\boost\) Index: boost/filesystem/convenience.hpp =================================================================== RCS file: /cvsroot/boost/boost/boost/filesystem/convenience.hpp,v retrieving revision 1.9 diff -r1.9 convenience.hpp 237a238,240 > # if BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT(0x581)) > using boost::BOOST_FILESYSTEM_NAMESPACE::system_message; > #endif -- AlisdairM

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just a test
by Andy Little 25 Jan '06

25 Jan '06

just a test

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Re: [boost] [wave] pp-number bug?
by Hartmut Kaiser 25 Jan '06

25 Jan '06

> Alberto Ganesh Barbati wrote: > > > However, if run into Wave, the program above produces the error > > message: > > > > error: pasting the following two tokens does not give a valid > > preprocessing token: "e" and "-" > > > > Who's right? I'd agree with Paul Mensonides, because "1e" > is a valid > > pp token which is to be formed before applying the ## > operator. But my > > understanding is quite limited in this area so I commit > myself to the > > Gurus. > > Paul is right and Wave is wrong. That's a known issue with > Wave, it stems from the fact that Wave currently works on C++ > tokens, not pp-tokens as mandated by the Standard. This will > be fixed in the future, when I change Wave to operate on > pp-tokens, rescanning these into C++ tokens after > preprocessing. If you need to preprocess this kind of > constructs with Wave, you may want to use the --variadics > command line option, allowing concatenation of unrelated tokens. Wave now correctly recognizes pp-number tokens, which get converted to C++ tokens just before they get returned to the calling application. This fixes a couple of known Wave preprocessing problems (I even enabled a couple of additional tests failing so far). Regards Hartmut

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[tuple] 'make_tuple()' missing from <tuple_basic_no_partial_spec.hpp>
by MB 25 Jan '06

25 Jan '06

Hi, 'make_tuple()' that makes an empty tuple seems missing from <detail/tuple_basic_no_partial_spec.hpp>: inline tuple<> make_tuple() { return tuple<>(); } Regards, MB p-stade.sourceforge.net

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Re: [boost] Interest for policy based smart pointer (smart_ptr)
by Axter 25 Jan '06

25 Jan '06

"Larry Evans" <cppljevans(a)cox-internet.com> wrote in message news: <news:%3cdqpagd$mov$1@sea.gmane.org> <dqpagd$mov$1(a)sea.gmane.org>... > On 01/19/2006 05:13 PM, David Maisonave wrote: > [snip] > > I read in a previous thread that a policy base smart pointer was > > being considered for boost, but I could not find it in the sandbox. > http://cvs.sourceforge.net/viewcvs.py/boost-sandbox/boost-sandbox/boost/poli cy_ptr/ 1. Is there any usage documentation? 2. Has any performance test comparison been done? 3. Can it compile to VC++ 6.0? It looks like work started on this in 2004, but I don't see any logging pass 26 Jun 2005. 4. Is the work for this class at a stand-still?

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Re: [boost] [algorithm] About the documentation of boost::algorithm::string.
by Matthew Henderson 25 Jan '06

25 Jan '06

Pavol, Here is an example of what we observed. This program compiles and runs without error. The point here is that, if the behaviour is as described in the documentation, then we would expect the last assert to fail, but is succeeds. #include <vector> #include <string> #include <iostream> #include <cassert> #include <boost/algorithm/string.hpp> int main() { std::string test_string("a,b,c,d,e"); std::vector<std::string> test_vector; test_vector.push_back("X"); assert( test_vector.size() == 1 ); boost::algorithm::split(test_vector,test_string,boost::algorithm::is_any_of(",")); assert( test_vector.size() == 5 ); } regards, Matthew Henderson On Tue, Jan 17, 2006 at 12:04:09PM +0000, Matthew Henderson wrote: > There are two minor problems with the documentation which I have noticed. > > 1. Undocumented headers. > boost/algorithm/string/config.hpp > boost/algorithm/string/iter_find.hpp > > 2. The statement "Each part is copied and added as a new element to the output > container." which appears both in the documentation of boost/algorithm/string > /split.hpp and in comments of that header file is not an accurate description > of what actually happens. Some testing by myself suggests that, in fact, the > contents of the original container are overwritten. > This is definitely not what the split is supposed to do. Could you please send some examples proving your claim. Algorithms in split.hpp does not contain any mutating code that I'm aware of. Regards, Pavol

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[regex]using boost::regex with STLport 5.0 on VS.net 2003
by Wang Weiwei 25 Jan '06

25 Jan '06

hello, I'm using the boost::regex library with STLport 5.0 on VS.net 2003. But I failed with the following simple program: #include <rope> #include <boost/regex.hpp> int main(int argc, char* argv[]) { std::rope<int> r; std::string str; boost::regex reg("(\\d+),?"); std::string::const_iterator b = str.begin(); std::string::const_iterator e = str.end(); boost::sregex_iterator it(b, e, reg); boost::sregex_iterator end; return 0; } It's a Win 32 console program project. I have defined the _STLP_DEBUG macro for debug build and used the /MDd switch (multi-threaing, dynamic, debug, runtime lib). My procedures of building STLport 5.0 and boost are as follows(under the VS.net command prompt): STLport: In <STLport>\build\lib directory, type "nmake -fnmake-vc71.mak all install" boost: Run batch file with contents: SET PYTHON_ROOT="D:\Python24" SET PYTHON_VERSION=2.4.2 SET STLPORT_PATH="D:\" SET STLPORT_50_PATH="D:\STLport_50" SET STLPORT_VERSION=5.0 SET STLPORT_VERSIONS=5.0 SET VC71_ROOT="d:\Program Files\Microsoft Visual Studio .NET 2003\Vc7" Bjam.exe -sBOOST_ROOT=. -sTOOLS=vc-7_1 "-sBUILD=debug release <runtime-link>static/dynamic <threading>single/multi" stage Bjam.exe -sBOOST_ROOT=. -sTOOLS=vc-7_1-stlport "-sBUILD=debug release <runtime-link>static/dynamic <threading>single/multi" stage Is there anything wrong? Thanks. Max

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Boost regression notification (2006-01-25 [HEAD])
by Douglas Gregor 25 Jan '06

25 Jan '06

Boost Regression test failures Report time: 2006-01-25T13:45:00Z This report lists all regression test failures on release platforms. Detailed report: http://engineering.meta-comm.com/boost-regression/CVS-HEAD/developer/issues… 737 failures in 32 libraries iterator (6) random (1) concept_check (23) serialization (257) config (3) iostreams (22) regex (1) graph (21) numeric/interval (3) signals (34) program_options (21) foreach (12) rational (5) test (4) parameter (19) math (3) smart_ptr (4) function (4) python (3) mpl (1) wave (45) tr1 (79) functional/hash (1) spirit (38) xpressive (24) date_time (7) thread (11) multi_array (7) bind (2) typeof (26) filesystem (48) assign (2) |iterator| counting_iterator_test: gcc-3_3-darwin gcc-3_4_3-sunos indirect_iter_member_types: gcc-3.3.6-linux is_lvalue_iterator: gcc-3.3.6-linux iterator_archetype_cc: gcc-3.3.6-linux gcc-3.4.4-linux |random| random_test: intel-9.0-linux |concept_check| stl_concept_covering: borland-5_6_4 cw-8_3 cw-9_4 cw-9_5-darwin gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux gcc-3.2.3-linux gcc-3.3.6-linux gcc-3.3.6-linux gcc-3.4.4-linux gcc-3.4.4-linux gcc-3.4.5-linux gcc-3_3-darwin gcc-3_4_3-sunos gcc-4.0.2-linux gcc-4_0-darwin intel-9.0-linux intel-win32-8_1 intel-win32-9_0 mingw-3_4_2 tru64cxx71-006 vc-7_1 vc-7_1 |serialization| test_array_binary_archive_dll: cw-9_4 test_array_text_archive_dll: cw-9_4 test_array_text_warchive_dll: cw-9_4 test_array_xml_archive_dll: cw-9_4 test_array_xml_warchive_dll: cw-9_4 test_binary_binary_archive_dll: cw-9_4 test_binary_text_archive_dll: cw-9_4 test_binary_text_warchive_dll: cw-9_4 test_binary_xml_archive_dll: cw-9_4 test_binary_xml_warchive_dll: cw-9_4 test_class_info_load_binary_archive_dll: cw-9_4 test_class_info_load_text_archive_dll: cw-9_4 test_class_info_load_text_warchive_dll: cw-9_4 test_class_info_load_xml_archive_dll: cw-9_4 test_class_info_load_xml_warchive_dll: cw-9_4 test_class_info_save_binary_archive_dll: cw-9_4 test_class_info_save_text_archive_dll: cw-9_4 test_class_info_save_text_warchive_dll: cw-9_4 test_class_info_save_xml_archive_dll: cw-9_4 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test_vector_xml_warchive_dll: cw-9_4 test_void_cast_dll: cw-9_4 |config| config_test: gcc-3_3-darwin gcc-3_4_3-sunos math_info: borland-5_6_4 |iostreams| auto_close_test: tru64cxx71-006 code_converter_test: tru64cxx71-006 component_access_test: tru64cxx71-006 compose_test: tru64cxx71-006 copy_test: tru64cxx71-006 counter_test: tru64cxx71-006 example_test: tru64cxx71-006 filtering_stream_test: tru64cxx71-006 finite_state_filter_test: tru64cxx71-006 flush_test: tru64cxx71-006 invert_test: tru64cxx71-006 line_filter_test: tru64cxx71-006 newline_test: tru64cxx71-006 pipeline_test: tru64cxx71-006 regex_filter_test: tru64cxx71-006 restrict_test: tru64cxx71-006 seekable_file_test: tru64cxx71-006 seekable_filter_test: tru64cxx71-006 stdio_filter_test: tru64cxx71-006 symmetric_filter_test: tru64cxx71-006 tee_test: tru64cxx71-006 wide_stream_test: tru64cxx71-006 |regex| grep: borland-5_6_4 |graph| adj_list_cc: gcc-3.3.6-linux gcc-3.4.4-linux adj_matrix_cc: gcc-3.3.6-linux gcc-3.4.4-linux bfs_cc: gcc-3.3.6-linux gcc-3.4.4-linux copy: gcc-3.3.6-linux csr_graph_test: gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux dfs_cc: gcc-3.3.6-linux gcc-3.4.4-linux dijkstra_cc: gcc-3.3.6-linux gcc-3.4.4-linux dominator_tree_test: cw-8_3 edge_list_cc: gcc-3.3.6-linux filtered_graph_cc: gcc-3.3.6-linux gcc-3.4.4-linux graphviz_test: vc-7_1 vc-7_1 vc-7_1 matching_test: cw-8_3 |numeric/interval| det: tru64cxx71-006 mul: tru64cxx71-006 overflow: tru64cxx71-006 |signals| dead_slot_test: borland-5_6_4 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux gcc-3.2.3-linux gcc-3.3.6-linux gcc-3.4.4-linux gcc-3.4.5-linux gcc-3_3-darwin gcc-3_4_3-sunos gcc-4.0.2-linux gcc-4_0-darwin mingw-3_4_2 mingw-3_4_2 vc-7_1 vc-7_1 vc-7_1 deletion_test: borland-5_6_4 ordering_test: borland-5_6_4 signal_n_test: borland-5_6_4 trackable_test: gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux gcc-3.2.3-linux gcc-3.3.6-linux gcc-3.4.4-linux gcc-3.4.5-linux gcc-3_3-darwin gcc-3_4_3-sunos gcc-4.0.2-linux gcc-4_0-darwin mingw-3_4_2 mingw-3_4_2 vc-7_1 vc-7_1 vc-7_1 |program_options| cmdline_test: borland-5_6_4 cmdline_test_dll: borland-5_6_4 cw-9_4 options_description_test: borland-5_6_4 options_description_test_dll: borland-5_6_4 cw-9_4 parsers_test: borland-5_6_4 parsers_test_dll: borland-5_6_4 cw-9_4 positional_options_test: borland-5_6_4 positional_options_test_dll: borland-5_6_4 cw-9_4 unicode_test: borland-5_6_4 unicode_test_dll: borland-5_6_4 cw-9_4 variable_map_test: borland-5_6_4 variable_map_test_dll: borland-5_6_4 cw-9_4 winmain: borland-5_6_4 winmain_dll: borland-5_6_4 cw-9_4 |foreach| array_byref: borland-5_6_4 array_byval: borland-5_6_4 call_once: borland-5_6_4 cstr_byref: borland-5_6_4 cstr_byval: borland-5_6_4 dependent_type: borland-5_6_4 noncopyable: borland-5_6_4 pair_byref: borland-5_6_4 pair_byval: borland-5_6_4 stl_byref: borland-5_6_4 stl_byval: borland-5_6_4 user_defined: borland-5_6_4 |rational| rational_test: borland-5_6_4 cw-8_3 gcc-2.95.3-stlport-4.6.2-linux vc-7_1 vc-7_1 |test| test_fp_comparisons: gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux test_tools_test: gcc-4_0-darwin mingw-3_4_2 |parameter| basics: borland-5_6_4 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux efficiency: borland-5_6_4 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux macros: borland-5_6_4 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux sfinae: borland-5_6_4 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux singular: borland-5_6_4 tutorial: borland-5_6_4 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux unnamed: borland-5_6_4 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux |math| complex_test: borland-5_6_4 hypot_test: borland-5_6_4 log1p_expm1_test: borland-5_6_4 |smart_ptr| auto_ptr_rv_test: borland-5_6_4 cw-8_3 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux |function| contains2_test: borland-5_6_4 contains_test: borland-5_6_4 function_n_test: borland-5_6_4 mem_fun_portable: borland-5_6_4 |python| docstring: cw-8_3 numpy: gcc-4_0-darwin slice: gcc-4_0-darwin |mpl| advance: gcc-3.3.6-linux |wave| test_re2c_lexer: cw-9_4 cw-9_5-darwin gcc-3.2.3-linux gcc-3.3.6-linux gcc-3.4.4-linux gcc-3.4.5-linux gcc-3_4_3-sunos gcc-4.0.2-linux intel-9.0-linux intel-win32-8_1 intel-win32-9_0 vc-7_1 test_slex_lexer: cw-9_4 gcc-3.2.3-linux gcc-3.3.6-linux gcc-3.4.4-linux gcc-3.4.5-linux gcc-4.0.2-linux intel-9.0-linux intel-win32-8_1 intel-win32-9_0 vc-7_1 testwave: cw-9_4 cw-9_5-darwin gcc-3.4.4-linux gcc-3.4.5-linux gcc-3_4_3-sunos gcc-4.0.2-linux intel-9.0-linux intel-win32-8_1 intel-win32-9_0 vc-7_1 vc-7_1 testwave_dll: cw-9_4 cw-9_5-darwin gcc-3.2.3-linux gcc-3.3.6-linux gcc-3.4.4-linux gcc-3.4.5-linux gcc-4.0.2-linux intel-9.0-linux intel-win32-8_1 intel-win32-9_0 vc-7_1 vc-7_1 |tr1| run_complex_overloads: borland-5_6_4 run_random: borland-5_6_4 std_run_complex_overloads: borland-5_6_4 std_run_random: borland-5_6_4 std_test_array: borland-5_6_4 std_test_boost: borland-5_6_4 std_test_complex: borland-5_6_4 std_test_function: borland-5_6_4 std_test_mem_fn: borland-5_6_4 std_test_random: borland-5_6_4 std_test_regex: borland-5_6_4 std_test_result_of: borland-5_6_4 std_test_shared_ptr: borland-5_6_4 std_test_tr1_include: borland-5_6_4 std_test_tuple: borland-5_6_4 std_test_type_traits: borland-5_6_4 test_array: borland-5_6_4 test_complex: borland-5_6_4 test_function: borland-5_6_4 test_mem_fn: borland-5_6_4 test_random: borland-5_6_4 test_regex: borland-5_6_4 test_result_of: borland-5_6_4 test_shared_ptr: borland-5_6_4 test_tr1_include: borland-5_6_4 test_tuple: borland-5_6_4 test_tuple_tricky: borland-5_6_4 test_type_traits: borland-5_6_4 test_utility: borland-5_6_4 tr1_add_const_test: borland-5_6_4 tr1_add_cv_test: borland-5_6_4 tr1_add_pointer_test: borland-5_6_4 tr1_add_reference_test: borland-5_6_4 tr1_add_volatile_test: borland-5_6_4 tr1_aligned_storage_test: borland-5_6_4 tr1_alignment_of_test: borland-5_6_4 tr1_has_nothrow_assign_test: borland-5_6_4 tr1_has_nothrow_constr_test: borland-5_6_4 tr1_has_nothrow_copy_test: borland-5_6_4 tr1_has_trivial_assign_test: borland-5_6_4 tr1_has_trivial_constr_test: borland-5_6_4 tr1_has_trivial_copy_test: borland-5_6_4 tr1_has_trivial_destructor_test: borland-5_6_4 tr1_has_virtual_destructor_test: borland-5_6_4 tr1_is_arithmetic_test: borland-5_6_4 tr1_is_array_test: borland-5_6_4 tr1_is_class_test: borland-5_6_4 tr1_is_compound_test: borland-5_6_4 tr1_is_const_test: borland-5_6_4 tr1_is_convertible_test: borland-5_6_4 tr1_is_empty_test: borland-5_6_4 tr1_is_enum_test: borland-5_6_4 tr1_is_floating_point_test: borland-5_6_4 tr1_is_function_test: borland-5_6_4 tr1_is_fundamental_test: borland-5_6_4 tr1_is_integral_test: borland-5_6_4 tr1_is_member_func_test: borland-5_6_4 tr1_is_member_obj_test: borland-5_6_4 tr1_is_member_pointer_test: borland-5_6_4 tr1_is_object_test: borland-5_6_4 tr1_is_pod_test: borland-5_6_4 tr1_is_pointer_test: borland-5_6_4 tr1_is_polymorphic_test: borland-5_6_4 tr1_is_reference_test: borland-5_6_4 tr1_is_same_test: borland-5_6_4 tr1_is_scalar_test: borland-5_6_4 tr1_is_signed_test: borland-5_6_4 tr1_is_union_test: borland-5_6_4 tr1_is_unsigned_test: borland-5_6_4 tr1_is_void_test: borland-5_6_4 tr1_is_volatile_test: borland-5_6_4 tr1_remove_const_test: borland-5_6_4 tr1_remove_cv_test: borland-5_6_4 tr1_remove_pointer_test: borland-5_6_4 tr1_remove_reference_test: borland-5_6_4 tr1_remove_volatile_test: borland-5_6_4 tr1_tricky_abstract_type_test: borland-5_6_4 tr1_tricky_add_pointer_test: borland-5_6_4 tr1_tricky_partial_spec_test: borland-5_6_4 |functional/hash| container_fwd_test: borland-5_6_4 |spirit| grammar_def_test: cw-8_3 grammar_def_test_debug: cw-8_3 scanner_value_type_tests: cw-8_3 cw-9_4 cw-9_5-darwin gcc-3.2.3-linux gcc-3.3.6-linux gcc-3.4.4-linux gcc-3.4.5-linux gcc-3_3-darwin gcc-3_4_3-sunos gcc-4.0.2-linux gcc-4_0-darwin intel-9.0-linux intel-win32-8_1 intel-win32-9_0 tru64cxx71-006 vc-7_1 vc-7_1 vc-7_1 scanner_value_type_tests_debug: cw-8_3 cw-9_4 cw-9_5-darwin gcc-3.2.3-linux gcc-3.3.6-linux gcc-3.4.4-linux gcc-3.4.5-linux gcc-3_3-darwin gcc-3_4_3-sunos gcc-4.0.2-linux gcc-4_0-darwin intel-9.0-linux intel-win32-8_1 intel-win32-9_0 tru64cxx71-006 vc-7_1 vc-7_1 vc-7_1 |xpressive| c_traits: cw-9_5-darwin misc1: cw-9_5-darwin regress: cw-9_5-darwin test1: cw-9_5-darwin test10: cw-9_5-darwin test10u: cw-9_5-darwin test1u: cw-9_5-darwin test2: cw-9_5-darwin test2u: cw-9_5-darwin test3: cw-9_5-darwin test3u: cw-9_5-darwin test4: cw-9_5-darwin test4u: cw-9_5-darwin test5: cw-9_5-darwin test5u: cw-9_5-darwin test6: cw-9_5-darwin test6u: cw-9_5-darwin test7: cw-9_5-darwin test7u: cw-9_5-darwin test8: cw-9_5-darwin test8u: cw-9_5-darwin test9: cw-9_5-darwin test9u: cw-9_5-darwin test_non_char: cw-9_5-darwin |date_time| testgreg_serialize_dll: cw-8_3 cw-9_4 intel-win32-8_1 intel-win32-9_0 vc-7_1 vc-7_1 vc-7_1 |thread| test_condition: borland-5_6_4 test_condition_lib: borland-5_6_4 test_mutex: borland-5_6_4 test_mutex_lib: borland-5_6_4 test_once: borland-5_6_4 test_once_lib: borland-5_6_4 test_read_write_mutex: borland-5_6_4 test_read_write_mutex_lib: borland-5_6_4 test_thread: borland-5_6_4 test_thread_lib: borland-5_6_4 test_tss: borland-5_6_4 |multi_array| access: cw-8_3 assign: cw-8_3 assign_to_array: cw-8_3 index_bases: cw-8_3 iterators: cw-8_3 reshape: cw-8_3 slice: cw-8_3 |bind| bind_dm3_test: borland-5_6_4 bind_function_test: borland-5_6_4 |typeof| data_member_emulation: cw-8_3 function_emulation: cw-8_3 function_native: cw-8_3 function_ptr_emulation: cw-8_3 function_ptr_from_tpl_emulation: cw-8_3 vc-7_1 vc-7_1 function_ptr_from_tpl_native: vc-7_1 vc-7_1 function_ref_emulation: cw-8_3 lvalue_emulation: cw-8_3 gcc-4.0.2-linux lvalue_native: gcc-4.0.2-linux member_function_emulation: cw-8_3 modifiers_emulation: cw-8_3 noncopyable_emulation: cw-8_3 odr_emulation: cw-8_3 std_emulation: cw-8_3 template_dependent_emulation: cw-8_3 template_enum_emulation: cw-8_3 template_int_emulation: cw-8_3 intel-win32-9_0 template_multiword_emulation: cw-8_3 template_tpl_emulation: cw-8_3 template_type_emulation: cw-8_3 type_emulation: cw-8_3 |filesystem| convenience_test: borland-5_6_4 cw-8_3 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux fstream_test: borland-5_6_4 cw-8_3 gcc-2.95.3-stlport-4.6.2-linux gcc-3.2.3-linux large_file_support_test: borland-5_6_4 cw-8_3 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux mbcopy: borland-5_6_4 cw-8_3 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux gcc-3.2.3-linux mingw-3_4_2 mbpath: borland-5_6_4 cw-8_3 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux mingw-3_4_2 operations_test: borland-5_6_4 cw-8_3 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux operations_test_dll: cw-8_3 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux path_test: borland-5_6_4 cw-8_3 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux path_test_dll: cw-8_3 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux simple_ls: borland-5_6_4 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux wide_test: borland-5_6_4 cw-8_3 gcc-2.95.3-linux gcc-2.95.3-stlport-4.6.2-linux gcc-3.2.3-linux mingw-3_4_2 mingw-3_4_2 tru64cxx71-006 |assign| std: gcc-3_3-darwin gcc-3_4_3-sunos

1 0

posible error in uniform_smallint_integer
by Gustavo Romero 25 Jan '06

25 Jan '06

Hi, I want to toss a coin in c++. I don't want to use variate_generator because my program use it many million times. The code is: boost::mt19937 mt; boost::detail::uniform_smallint_integer<boost::mt19937, bool> coin(mt, false, true); and the error (with gdb) is: boost::detail::uniform_smallint_integer<boost::random::mersenne_twister<unsigned int, 32, 624, 397, 31, 2567483615u, 11, 7, 2636928640u, 15, 4022730752u, 18, 3346425566u>, bool>::operator() (this=0x804d9e4) at /usr/include/boost/random/uniform_smallint.hpp:67 67 return (((*_rng)() - (_rng->min)()) / _factor) % _range + _min; because _factor = 0 and we don't know to divide by 0, aren't we? Is this a bug or am I doing something wrong? thanks for your time :) Gustavo -- Gustavo Romero López Arquitectura y Tecnología de Computadores E.T.S.I. Informática. Universidad de Granada Tel: 958 240589 Fax: 958 248993

1 0

[iostreams] Fixes for copy.hpp
by Andrew Walrond 25 Jan '06

25 Jan '06

Does this patch look correct? I have been trying to extend the copy algorithm using the Boost::parameter library, and these couple things looked wrong to me. Andrew Walrond --- /include/boost/iostreams/copy.hpp 2005-05-26 09:37:30.000000000 +0100 +++ copy.hpp 2006-01-11 14:51:15.000000000 +0000 @@ -49,7 +49,7 @@ typedef pair<char_type*, char_type*> pair_type; pair_type p1 = iostreams::input_sequence(src); pair_type p2 = iostreams::output_sequence(snk); - if (p1.second - p1.first < p2.second - p2.first) { + if (p1.second - p1.first <= p2.second - p2.first) { std::copy(p1.first, p1.second, p2.first); return static_cast<streamsize>(p1.second - p1.first); } else { @@ -92,9 +92,10 @@ while (!done) { streamsize amt; done = (amt = iostreams::read(src, buf.data(), buffer_size)) == -1; - std::copy(buf.data(), buf.data() + amt, p.first + total); - if (amt != -1) + if (amt != -1) { + std::copy(buf.data(), buf.data() + amt, p.first + total); total += amt; + } } return total; }

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