#10595: Vector constructor fails on empty list with no ring given
------------------------------+---------------------------------------------
Reporter: rbeezer | Owner: jason, was
Type: defect | Status: new
Priority: major | Milestone: sage-4.6.2
Component: linear algebra | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
------------------------------+---------------------------------------------
{{{
sage: vector(QQ,[])
()
sage: vector([])
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
/home/sage/sage-4.6.1.rc1/devel/sage-main/<ipython console> in <module>()
/sage/sage-4.6.1.rc1/local/lib/python2.6/site-
packages/sage/modules/free_module_element.so in
sage.modules.free_module_element.vector
(sage/modules/free_module_element.c:3229)()
/sage/sage-4.6.1.rc1/local/lib/python2.6/site-
packages/sage/modules/free_module_element.so in
sage.modules.free_module_element.prepare
(sage/modules/free_module_element.c:3675)()
TypeError: unable to find a common ring for all elements
}}}
Default ring should be `ZZ` ideally.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10595>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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