In gmane.comp.mathematics.sage.support, you wrote: > After upgrading from version 4.7.2 to 4.8, one function of dozen is stopped > working. I use a combination of Sage + Cython. You can find examples in the > attachments. > > The main problem is: when you use "PC" as the function name in "*.c" file > sage gives an error > > /home/hamsin/bin/sage/local/lib/libcsage.so(print_backtrace+0x31)[0x7f3c8b89e3a3] > /home/hamsin/bin/sage/local/lib/libcsage.so(sigdie+0x14)[0x7f3c8b89e3d5] > /home/hamsin/bin/sage/local/lib/libcsage.so(sage_signal_handler+0x20e)[0x7f3c8b89e000] > /lib/x86_64-linux-gnu/libpthread.so.0(+0x10060)[0x7f3c8dc93060] > /home/hamsin/bin/sage/local/lib/libreadline.so.6(PC+0x0)[0x7f3c861f83cc] > > ------------------------------------------------------------------------ > Unhandled SIGSEGV: A segmentation fault occurred in Sage. > This probably occurred because a *compiled* component of Sage has a bug > in it and is not properly wrapped with sig_on(), sig_off(). You might > want to run Sage under gdb with 'sage -gdb' to debug this. > Sage will now terminate. > ------------------------------------------------------------------------ > local/bin/sage-sage: line 460: 10163 Segmentation fault python "$@" > > If I use "PCc" or "PC_1", then there are no problems. So this is a bug, > feature or Cython has limitations on function names. If the last point, > then where I can see this limitations.
I imagine the behaviour is similar to Python's, where it's jolly possible to do "list=2" and see stuff beginning to happen... Just in case, Dima > > Best regards, > Oleksandr -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
