Now a new version is out, picklable, coerceable and 100% coverage, though not comletely complete yet. But getting it to pickle was really *some* effort, 60 inner functions had to converted to "outer" classes, but now it works.
However some strange effects occured with coercing: sage: RR.coerce_map_from(QQ) != None True sage: RR.coerce_map_from(int) != None True sage: RR.coerce_map_from(Integer) != None False Why is this? Same with QQ: sage: QQ.coerce_map_from(Integer) != None False Then in my formal powerseries module, I defined the _coerce_map_from_ (self,T) in FormalPowerSeriesRing and sage: FormalPowerSeriesRing(RR)._coerce_map_from_(RR) True but despite _lmul_ and _rmul_ do not work with RR (though _coerce_map_from_ is definitely called and returns True). They work however with QQ as expected. Any hints? Here the error: sage: FormalPowerSeriesRing(RR)([1,2,3]) * (2/3) [0.666666666666667, 1.33333333333333, 2.00000000000000, 0, 0, 0, 0, 0, 0, ...] sage: FormalPowerSeriesRing(RR)([1,2,3]) * 2.0 --------------------------------------------------------------------------- TypeError Traceback (most recent call last) /home/bo198214/.sage/temp/darkdepth/6006/ _home_bo198214__sage_init_sage_0.py in <module>() /usr/src/sage-3.4-linux-Debian_GNU_Linux_5.0_lenny-x86_64-Linux/local/ lib/python2.5/site-packages/sage/structure/element.so in sage.structure.element.RingElement.__mul__ (sage/structure/element.c: 8632)() /usr/src/sage-3.4-linux-Debian_GNU_Linux_5.0_lenny-x86_64-Linux/local/ lib/python2.5/site-packages/sage/structure/coerce.so in sage.structure.coerce.CoercionModel_cache_maps.bin_op (sage/structure/ coerce.c:5848)() TypeError: unsupported operand parent(s) for '*': 'FormalPowerSeriesRing over Real Field with 53 bits of precision' and 'Real Field with 53 bits of precision' --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
