#4352: [with patch, needs work] add support for weight vectors to
gran/groebner_fan
------------------------------------------------+---------------------------
Reporter: mhampton | Owner: mhampton
Type: enhancement | Status: new
Priority: minor | Milestone: sage-3.2.2
Component: interfaces | Resolution:
Keywords: gfan, groebner_fan, weight vectors |
------------------------------------------------+---------------------------
Changes (by was):
* summary: [with patch, needs review] add support for weight vectors to
gran/groebner_fan => [with patch, needs work]
add support for weight vectors to
gran/groebner_fan
* milestone: sage-feature => sage-3.2.2
Comment:
REVIEW:
patch applies and passes test. Code raises major red flag!!
{{{
ans =
eval(ans.replace('{','').replace('}','').replace('\n',''))
}}}
If the output -- which you make into vectors over QQ ever actually has any
rational numbers, then eval will do very bad things to them, e.g.,
{{{
sage: eval('2/3')
0
}}}
Oops!
Use sage_eval instead:
{{{
sage: sage_eval('2/3')
2/3
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4352#comment:2>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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