On Wed, Mar 14, 2018 at 10:03 PM, Vincent Delecroix <20100.delecr...@gmail.com> wrote: > Congratulations Erik! You found the field with one element in SageMath: > > https://en.wikipedia.org/wiki/Field_with_one_element > > I am really impressed.
Hah! Yes, I was extremely confused as to why Sage was telling me I had a field with one element. > On 14/03/2018 16:49, Erik Bray wrote: >> >> I am now pretty consistently getting the following failure on Cygwin >> with 8.2beta8 (although strangely I've run the test once or twice with >> success too...): >> >> sage -t --warn-long 164.8 src/sage/structure/coerce_actions.pyx >> ********************************************************************** >> File "src/sage/structure/coerce_actions.pyx", line 786, in >> sage.structure.coerce_actions.IntegerMulAction._repr_name_ >> Failed example: >> IntegerMulAction(ZZ, GF5) >> Expected: >> Left Integer Multiplication by Integer Ring on Finite Field of size 5 >> Got: >> Left Integer Multiplication by Integer Ring on Finite Field of size 1 >> ********************************************************************** >> 1 item had failures: >> 1 of 4 in sage.structure.coerce_actions.IntegerMulAction._repr_name_ >> [143 tests, 1 failure, 3.30 s] >> ---------------------------------------------------------------------- >> sage -t --warn-long 164.8 src/sage/structure/coerce_actions.pyx # 1 >> doctest failed >> >> bizarre. Maybe some kind of cache bug? >> >> On Wed, Mar 14, 2018 at 4:34 PM, Sébastien Labbé <sla...@gmail.com> wrote: >>> >>> On Ubuntu 16.04, my first attempt at running make finishes with a problem >>> with giac (undefined reference to `png_set_longjmp_fn') >>> >>> The log finishes with: >>> >>> ... >>> [giac-1.4.9.45.p2] libtool: link: g++ -g -O2 -fno-strict-aliasing >>> -DGIAC_GENERIC_CONSTANTS -Wl,-rpath >>> -Wl,/home/slabbe/GitBox/sage/local/lib >>> -o .libs/icas icas.o -L/home/slabbe/GitBox/sage/local/lib >>> ./.libs/libxcas.a >>> >>> /home/slabbe/GitBox/sage/local/var/tmp/sage/build/giac-1.4.9.45.p2/src/src/.libs/libgiac.so >>> -lntl -lpari -lreadline -ltermcap -lgsl -lgslcblas -lrt -lpthread -lglpk >>> -ldl -lpng -lm -lmpfi /home/slabbe/GitBox/sage/local/lib/libmpfr.so -lgmp >>> -Wl,-rpath -Wl,/home/slabbe/GitBox/sage/local/lib >>> [giac-1.4.9.45.p2] >>> >>> /home/slabbe/GitBox/sage/local/var/tmp/sage/build/giac-1.4.9.45.p2/src/src/.libs/libgiac.so: >>> undefined reference to `png_set_longjmp_fn' >>> [giac-1.4.9.45.p2] collect2: error: ld returned 1 exit status >>> [giac-1.4.9.45.p2] Makefile:579: recipe for target 'icas' failed >>> [giac-1.4.9.45.p2] make[5]: *** [icas] Error 1 >>> [giac-1.4.9.45.p2] make[5]: Leaving directory >>> >>> '/home/slabbe/GitBox/sage/local/var/tmp/sage/build/giac-1.4.9.45.p2/src/src' >>> [giac-1.4.9.45.p2] Makefile:404: recipe for target 'all-recursive' failed >>> [giac-1.4.9.45.p2] make[4]: *** [all-recursive] Error 1 >>> [giac-1.4.9.45.p2] make[4]: Leaving directory >>> '/home/slabbe/GitBox/sage/local/var/tmp/sage/build/giac-1.4.9.45.p2/src' >>> [giac-1.4.9.45.p2] Makefile:333: recipe for target 'all' failed >>> [giac-1.4.9.45.p2] make[3]: *** [all] Error 2 >>> [giac-1.4.9.45.p2] make[3]: Leaving directory >>> '/home/slabbe/GitBox/sage/local/var/tmp/sage/build/giac-1.4.9.45.p2/src' >>> [giac-1.4.9.45.p2] >>> >>> ******************************************************************************** >>> [giac-1.4.9.45.p2] Error building giac-1.4.9.45.p2 >>> [giac-1.4.9.45.p2] >>> >>> ******************************************************************************** >>> ... >>> >>> I did >>> >>> sage -f libpng && make >>> >>> which seems to have fixed the error: >>> >>> ... >>> [giac-1.4.9.45.p2] successfully installed. >>> ... >>> >>> ... still running. >>> >>> Sébastien >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "sage-release" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to sage-release+unsubscr...@googlegroups.com. >>> To post to this group, send email to sage-release@googlegroups.com. >>> Visit this group at https://groups.google.com/group/sage-release. >>> For more options, visit https://groups.google.com/d/optout. >> >> > > -- > You received this message because you are subscribed to the Google Groups > "sage-release" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-release+unsubscr...@googlegroups.com. > To post to this group, send email to sage-release@googlegroups.com. > Visit this group at https://groups.google.com/group/sage-release. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "sage-release" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-release+unsubscr...@googlegroups.com. To post to this group, send email to sage-release@googlegroups.com. Visit this group at https://groups.google.com/group/sage-release. For more options, visit https://groups.google.com/d/optout.
