November 2003 - Boost-users - lists.preview.boost.org

RE: [Boost-users] date_time: why invalid_time_label in process_local_dst_start_day()
by Ben Hutchings 11 Nov '03

11 Nov '03

Michael Haubenwallner <michael.haubenwallner(a)salomon.at>: > as i could not google out an answer for my problem with > boost/date_time/dst_rules.hpp: is there a reason why > "boost::date_time::dst_calculator::process_local_dst_start_day()" > returns "invalid_time_label" for the transition time, but > "process_local_dst_end_day()" returns "ambigous" ? > Or is it just a bug ? At the start of DST, the time goes directly from, say, 1:00 to 2:00, so there is *no* point in time labelled 1:30 and it is invalid. At the end of DST, the time goes directly from, say, 2:00 to 1:00, so there are two points in time labelled 1:30 and it is ambiguous.

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date_time: why invalid_time_label in process_local_dst_start_day()
by Michael Haubenwallner 11 Nov '03

11 Nov '03

Hello, as i could not google out an answer for my problem with boost/date_time/dst_rules.hpp: is there a reason why "boost::date_time::dst_calculator::process_local_dst_start_day()" returns "invalid_time_label" for the transition time, but "process_local_dst_end_day()" returns "ambigous" ? Or is it just a bug ? Thanks, Michael Haubenwallner -- Michael Haubenwallner SALOMON Automation GmbH Forschung & Entwicklung A-8114 Friesach bei Graz mailto:michael.haubenwallner@salomon.at http://www.salomon.at

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Boost Python: Beyond handles
by Paul Grenyer 11 Nov '03

11 Nov '03

Hi All I'm trying to embed the python interpreter in a C++ program so that users can write simple scripts that can be executed when the program runs. I've been following the "Using the the Interpretter" examples an dhave had quite a lot of success, except with this one: handle<> main_module(borrowed( PyImport_AddModule("__main__") )); handle<> main_namespace(borrowed( PyModule_GetDict(main_module.get ()) )); handle<> main_module( borrowed( PyImport_AddModule("__main__") )); main_namespace dict(handle<>(borrowed( PyModule_GetDict(main_module.get ()) ))); handle<>( PyRun_String(" result = 5 ** 2", Py_file_input, main_namespace.ptr(), main_namespace.ptr()) ); int five_squared = extract<int>( main_namespace["result"] ); I'm using boost 1.30.0 and MSVC 7.1, along with the following warning (?!!): builtin_converters.hpp(114) : warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data I get the following errors: error C2146: syntax error : missing ';' before identifier 'dict' error C2039: 'ptr' : is not a member of 'boost::python::handle<>' error C2039: 'ptr' : is not a member of 'boost::python::handle<>' error C2676: binary '[' : 'boost::python::handle<>' does not define this operator or a conversion to a type acceptable to the predefined operator The "missing ';' before identifier 'dict'" error I can understand and I ppear to be able to fix by swapping "main_namespace" for "handle<>". I can also fix the "'ptr' : is not a member of 'boost::python::handle<>'" error by changing ptr to get. However, the final error has me stumped. Any suggestions appreciated. Regards Paul Please note the change of email address! Paul Grenyer Email: paul(a)paulgrenyer.co.uk Web: www.paulgrenyer.co.uk

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Note for Python 2.3 users
by Paul Grenyer 11 Nov '03

11 Nov '03

Hi All I'm just about to start trying to use Boost.Python for the first time and noticed the following note in the docs: Note for Python 2.3 users This is a bugfix release only, and is not compatible with Python 2.3. Boost 1.31.0, which will be compatible with Python 2.3, is due out shortly. I assume this means I need to use Python 2.2.3 or lower, right? Regards Paul Please note the change of email address! Paul Grenyer Email: paul(a)paulgrenyer.co.uk Web: www.paulgrenyer.co.uk

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'long long' problem on VC++7.1
by Nick Savoiu 11 Nov '03

11 Nov '03

I'm trying to compile some boost code on VC+7.1 but I get: e:\users\savoiu\Projects\boost-1.30.2\boost\concept_check.hpp(183) : error C2632: 'long' followed by 'long' is illegal Do I need any #defines when using Boost with VC++7.1 or should it work right out of the box? Thanks, Nick

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Compiler command line options...
by Soumitra Chatterjee 10 Nov '03

10 Nov '03

Hi, I am a newbie, and I have a very basic question regarding compilation of boost libraries. Setup: I am using the bjam setup to build and test the boost library. I use something like $ cd <boost-root> $ bjam -a "-sTOOLS=acc" to try and build the library. Problem: I would like to add some compiler options (eg -myopt) during the build. How and where do I add them? Thanks in advance. -- Soumitra

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Problem with installing Boost man
by Alex Vinokur 09 Nov '03

09 Nov '03

Hi, I have got a problem while installing man, =========================================== Windows 2000 Professional CYGWIN_NT-5.0 1.5.4(0.94/3/2) =========================================== $ tar -xf boost_1_30_doc_man.tar tar: boost_1_30_0/doc/man/man3/boost\:\:any.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:any_cast.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:bad_any_cast.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:bad_function_call.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:function.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:functionN.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:function_base.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:is_reference_wrapper.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:last_value.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:reference_wrapper.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:signal.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:signalN.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:signals\:\:connection.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:signals\:\:scoped_connection.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:signals\:\:trackable.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:slot.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:unwrap_reference.3: Cannot open: No such file or directory tar: boost_1_30_0/doc/man/man3/boost\:\:visit_each.3: Cannot open: No such file or directory tar: Error exit delayed from previous errors What is wrong? ===================================== Alex Vinokur mailto:alexvn@connect.to http://mathforum.org/library/view/10978.html news://news.gmane.org/gmane.comp.lang.c++.perfometer =====================================

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c_grammar example
by adel.essafi 09 Nov '03

09 Nov '03

hi list I have a problem with spirit library. when I try to compile the c_grammar example , it takes to me 5 hours!!!!!! it s foolish. do you have the same problem please! cheers Accédez au courrier électronique de La Poste : www.laposte.net ; 3615 LAPOSTENET (0,34/mn) ; tél : 08 92 68 13 50 (0,34/mn)

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BOOST_HAS_THREADS
by Lalit Seth 09 Nov '03

09 Nov '03

Hi all, I was using a a boost library boost_1_30_0. now i tried to use new boost realease boost-1.30.2. But compiling the same application with new boost library results in error Thread support is unavailable! as BOOST_HAS_THREADS Macro is not defined. This is wht i have doen to install boost under RedHat8.0 Linux ./configure bjam How can i rectify it? Rgds Lalit _________________________________________________________________ Pinjar is a classic! Check out the making of this film. http://server1.msn.co.in/sp03/Pinjar/index.asp Simply click here!

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Re: [Boost-users] BOOST_HAS_THREADS
by Lalit Seth 09 Nov '03

09 Nov '03

This is not wrking bjam -sBUILD="<define>_REENTRANT <threading>multi" > Help me Ists urgent? >From: cavok(a)filibusta.crema.unimi.it (Domenico Andreoli) >Reply-To: Boost Users mailing list <boost-users(a)lists.boost.org> >To: boost-users(a)lists.boost.org >Subject: Re: [Boost-users] BOOST_HAS_THREADS >Date: Sat, 8 Nov 2003 17:12:43 +0100 > >On Sat, Nov 08, 2003 at 01:26:37PM +0530, Lalit Seth wrote: > > Hi all, > > >hi > > > I was using a a boost library boost_1_30_0. > > now i tried to use new boost realease boost-1.30.2. > > > > But compiling the same application with new boost library results in >error > > Thread support is unavailable! > > > > as BOOST_HAS_THREADS Macro is not defined. > > > > This is wht i have doen to install boost under RedHat8.0 Linux > > > > ./configure > > bjam > > >i think i've solved invoking bjam this way: >bjam -sBUILD="<define>_REENTRANT <threading>multi" > >ciao >dom > >-----[ Domenico Andreoli, aka cavok > --[ http://filibusta.crema.unimi.it/~cavok/gpgkey.asc > ---[ 3A0F 2F80 F79C 678A 8936 4FEE 0677 9033 A20E BC50 >_______________________________________________ >Boost-users mailing list >Boost-users(a)lists.boost.org >http://lists.boost.org/mailman/listinfo.cgi/boost-users _________________________________________________________________ Discover digital jadoo! Enter this contest. http://server1.msn.co.in/sp03/mediacenter/index.asp Win cool prizes!

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