Congratulations Erik! You found the field with one element in SageMath:
https://en.wikipedia.org/wiki/Field_with_one_element I am really impressed. Vincent 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.
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