#5409: [with patch; positive review, needs work] rewrite quaternion algebras --
the current implementation isn't sufficiently good
-------------------------+--------------------------------------------------
Reporter: was | Owner: tbd
Type: enhancement | Status: new
Priority: major | Milestone: sage-3.4
Component: algebra | Keywords:
-------------------------+--------------------------------------------------
Changes (by mabshoff):
* milestone: sage-3.4.1 => sage-3.4
Comment:
Ok, this fixes the first problem:
{{{
diff -r c0c80b6d1261 sage/algebras/quaternion_algebra_element.pyx
--- a/sage/algebras/quaternion_algebra_element.pyx Wed Mar 04
11:54:38 2009 -0800
+++ b/sage/algebras/quaternion_algebra_element.pyx Tue Mar 10
11:51:54 2009 -0700
@@ -320,6 +320,7 @@
sage: type(theta)
<type
'sage.algebras.quaternion_algebra_element.QuaternionAlgebraElement_rational_field'>
sage: 1/Q(0)
+ Traceback (most recent call last):
...
ZeroDivisionError: rational division by zero
}}}
Cheers,
Michael
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5409#comment:14>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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