id	summary	reporter	owner	description	type	status	priority	milestone	component	resolution	keywords	cc	work_issues	upstream	reviewer	author	merged	dependencies	stopgaps
12803	quotient of ideals throws up Singular bug	mariah	malb	"{{{
sage: var('x,y,z')
(x, y, z)
sage: R = ZZ[x,y,z]
sage: A = R.ideal([x^2, x*y, x*z])
sage: B = R.ideal([x])
sage: A.quotient(B)
---------------------------------------------------------------------------
RuntimeError                              Traceback (most recent call last)

/home/mariah/sage/sage-4.8-x86_64-Linux-core2-fc/<ipython console> in <module>()

/home/mariah/sage/sage-4.8-x86_64-Linux-core2-fc/local/lib/python2.6/site-packages/sage/rings/polynomial/multi_polynomial_ideal.pyc in wrapper(*args, **kwds)
    500         """"""
    501         with LibSingularDefaultContext():
--> 502             return func(*args, **kwds)
    503     return wrapper
    504 

/home/mariah/sage/sage-4.8-x86_64-Linux-core2-fc/local/lib/python2.6/site-packages/sage/rings/polynomial/multi_polynomial_ideal.pyc in quotient(self, J)
   2224         import sage.libs.singular
   2225         quotient = sage.libs.singular.ff.quotient
-> 2226         return R.ideal(quotient(self, J))
   2227 
   2228     @require_field

/home/mariah/sage/sage-4.8-x86_64-Linux-core2-fc/local/lib/python2.6/site-packages/sage/libs/singular/function.so in sage.libs.singular.function.SingularFunction.__call__ (sage/libs/singular/function.cpp:10130)()

/home/mariah/sage/sage-4.8-x86_64-Linux-core2-fc/local/lib/python2.6/site-packages/sage/libs/singular/function.so in sage.libs.singular.function.call_function (sage/libs/singular/function.cpp:11392)()

/home/mariah/sage/sage-4.8-x86_64-Linux-core2-fc/local/lib/python2.6/site-packages/sage/libs/singular/function.so in sage.libs.singular.function.call_function (sage/libs/singular/function.cpp:11306)()

RuntimeError: Segmentation fault
sage: 
}}}"	defect	new	major	sage-5.10	commutative algebra			malb		N/A