CGAL users discussion list

[Monique Teillaud <>]

Hi Tom

I am working on MacOS, 10.9.5

Best,
--
Monique Teillaud
http://www.loria.fr/~teillaud/
INRIA Nancy - Grand Est, LORIA
Institut National de Recherche en Informatique et Automatique

Le 13/05/15 14:35, Tom Van Doorsselaere a écrit :
> Sorry for that, Monique. I should have checked before asking.
>
> In any case, also your parameters do not work for me:
>
> ------------
> tom@laptop-atlantis ~/extrasoft/cgal/CGAL-4.6 $ clang++ -v
> clang version 3.5.0 (tags/RELEASE_350/final)
> Target: x86_64-pc-linux-gnu
> Thread model: posix
> Selected GCC installation: /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2
>
> tom@laptop-atlantis ~/extrasoft/cgal/CGAL-4.6 $ cmake
> -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_COMPILER=clang .
> == Setting paths ==
> -- Build CGAL from release in directory CGAL-4.6
> -- Packagenames: CGAL-4.6
> == Setting paths (DONE) ==
>
> == Generate version files ==
> -- CGAL_MAJOR_VERSION=4
> -- CGAL_MINOR_VERSION=6
> -- CGAL_BUGFIX_VERSION=0
> -- CGAL_SONAME_VERSION=11
> -- CGAL_SOVERSION     =11.0.0
> -- CGAL_REFERENCE_CACHE_DIR=
> -- Building shared libraries
> -- Targetting Unix Makefiles
> -- Using /usr/bin/clang++ compiler.
> -- USING CMake version: 3.1.0
> -- System: Linux
> == Generate version files (DONE) ==
>
> == Set up flags ==
> -- Build type: Release
> -- USING CXXFLAGS = ' -O3 -DNDEBUG'
> -- USING LDFLAGS = ' '
> == Set up flags (DONE) ==
> ... (more output cut) ...
>
> tom@laptop-atlantis ~/data/results/2015/0501_dispersivewaves_ramonoliver
> $ clang++ -I$HOME/extrasoft/cgal/CGAL-4.6/include
> -L$HOME/extrasoft/cgal/CGAL-4.6/lib -lCGAL -lgmp -o testreadin
> testreadinwriteout.cpp
>
> tom@laptop-atlantis ~/data/results/2015/0501_dispersivewaves_ramonoliver
> $ LD_LIBRARY_PATH=/home/tom/extrasoft/cgal/CGAL-4.6/lib:$LD_LIBRARY_PATH
> ldd ./testreadin
>          linux-vdso.so.1 (0x00007fff039ae000)
>          libCGAL.so.11 =>
> /home/tom/extrasoft/cgal/CGAL-4.6/lib/libCGAL.so.11 (0x00007fc811156000)
>          libgmp.so.10 => /usr/lib64/libgmp.so.10 (0x00007fc810edf000)
>          libstdc++.so.6 =>
> /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2/libstdc++.so.6 (0x00007fc810bcf000)
>          libm.so.6 => /lib64/libm.so.6 (0x00007fc8108d3000)
>          libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007fc8106bc000)
>          libc.so.6 => /lib64/libc.so.6 (0x00007fc81031f000)
>          libmpfr.so.4 => /usr/lib64/libmpfr.so.4 (0x00007fc8100c1000)
>          libboost_thread.so.1.56.0 =>
> /usr/lib64/libboost_thread.so.1.56.0 (0x00007fc80fe9d000)
>          libboost_system.so.1.56.0 =>
> /usr/lib64/libboost_system.so.1.56.0 (0x00007fc80fc99000)
>          libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fc80fa7e000)
>          /lib64/ld-linux-x86-64.so.2 (0x00007fc81137f000)
>          librt.so.1 => /lib64/librt.so.1 (0x00007fc80f876000)
>
> tom@laptop-atlantis ~/data/results/2015/0501_dispersivewaves_ramonoliver
> $ LD_LIBRARY_PATH=/home/tom/extrasoft/cgal/CGAL-4.6/lib:$LD_LIBRARY_PATH
> ./testreadin --write
> writing out triangulationGelukt
>
> tom@laptop-atlantis ~/data/results/2015/0501_dispersivewaves_ramonoliver
> $ LD_LIBRARY_PATH=/home/tom/extrasoft/cgal/CGAL-4.6/lib:$LD_LIBRARY_PATH
> ./testreadin --read
> reading in triangulationCGAL error: assertion violation!
> Expression : false
> File       :
> /home/tom/extrasoft/cgal/CGAL-4.6/include/CGAL/Triangulation_3.h
> Line       : 6402
> Explanation:
> Refer to the bug-reporting instructions at
> http://www.cgal.org/bug_report.html
> terminate called after throwing an instance of 'CGAL::Assertion_exception'
>    what():  CGAL ERROR: assertion violation!
> Expr: false
> File: /home/tom/extrasoft/cgal/CGAL-4.6/include/CGAL/Triangulation_3.h
> Line: 6402
> Aborted
>
> -------------
>
> So, even if I use exactly the same library and compilers as Monique, my
> program does not work on my laptop nor my desktop, but it does for
> Monique. Yet again, it throws the same assertion as with other versions
> and compilers.
>
> What sort of system did you use, Monique?
>
> Tom
>
>
>
> On 05/12/15 16:28, Monique Teillaud wrote:
> > Le 12/05/15 16:15, Tom Van Doorsselaere a écrit :
> > > I have also used the clang++ compiler and icpc compiler (for CGAL and
> > > the demo program). For both of these compilers I get the same assertion
> > > fault.
> > >
> > > Monique, what versions of CGAL and clang compiler did you use?
> >
> > see the email that I sent yesterday (the inclusion is still visible below)
> >
> > > On 05/12/15 15:39, Tom Van Doorsselaere wrote:
> > > > As promised, I have tested the code on two computers, with different
> > > > versions of gcc (4.4.7 and 4.9.2) and with different combinations of
> > > > flags. However, I always get stuck at the assertion violation.
> > > >
> > > > I have also tried CGAL version 4.3 and 4.0.2.
> > > >
> > > > I have further simplified the example (so it doesn't need gnu++0x
> > > > anylonger, and fixing the space Monique pointed out). Now it compiles
> > > > with
> > > > g++ -frounding-math -lCGAL -lgmp -o testreadin testreadinwriteout.cpp
> > > > but the problem persists.
> > > >
> > > > After running
> > > > -----------------
> > > > > > ./testreadin --write
> > > > writing out triangulationGelukt
> > > > -----------------
> > > > the reading in of the triangulation fails:
> > > >
> > > > -----------------
> > > > > > ./testreadin --read
> > > > terminate called after throwing an instance of
> > > > 'CGAL::Assertion_exception'
> > > >     what():  CGAL ERROR: assertion violation!
> > > > Expr: false
> > > > File: /usr/include/CGAL/Triangulation_3.h
> > > > Line: 5330
> > > > reading in triangulationAborted
> > > > -----------------
> > > >
> > > > I will look into compiling CGAL with clang or icc. However, in the end,
> > > > I suppose I would like to use gcc, because it is readily available on
> > > > most systems.
> > > >
> > > > Can anybody reproduce the assertion using gcc on their computer?
> > > >
> > > > Thanks,
> > > >
> > > > Tom
> > > >
> > > >
> > > > On 05/12/15 09:33, Tom Van Doorsselaere wrote:
> > > > > Dear Monique,
> > > > >
> > > > > Thanks for your e-mail.
> > > > >
> > > > > This is very interesting indeed. It thus means that
> > > > > - either it is a compiler issue,
> > > > > - or I am forgetting a compiler flag or have a flag too much.
> > > > >
> > > > > I will try this afternoon with different versions of gcc and with a
> > > > > combination of flags.
> > > > >
> > > > > Thanks for your input! I had not thought in this direction.
> > > > >
> > > > > Tom
> > > > >
> > > > >
> > > > > On 05/11/15 19:14, Monique Teillaud wrote:
> > > > > > Le 08/05/15 17:27, Tom Van Doorsselaere a écrit :
> > > > > > > Dear CGAL enthousiasts,
> > > > > >
> > > > > > :)
> > > > > > Dear Tom,
> > > > > >
> > > > > > > I'm building a program for the rendering of emission of solar coronal
> > > > > > > models.
> > > > > >
> > > > > > This sounds very interesting.
> > > > > >
> > > > > > I tested your code on my laptop, with CGAL 4.6, both release and debug
> > > > > > modes, clang 5.0.
> > > > > >
> > > > > > I had to add a space line 61 to avoid the consecutive >>
> > > > > > vector<vector<double> > allvar;
> > > > > > Then it compiled.
> > > > > >
> > > > > > teillaud@tzitziki:~/CGAL/test >./testreadinwriteout --write
> > > > > > writing out triangulationGelukt
> > > > > > teillaud@tzitziki:~/CGAL/test >./testreadinwriteout --read
> > > > > > reading in triangulationGelukt
> > > > > >
> > > > > > If I understand correctly, this is the result that you expect. It
> > > > > > seems
> > > > > > to work like a charm...
> > > > > >
> > > > > > Best regards,