#17603: disc() inconsistent for rational and integer polynomials
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Reporter: boerner | Owner:
Type: enhancement | Status: new
Priority: trivial | Milestone: sage-6.5
Component: linear algebra | Keywords: discriminant beginner
Merged in: | Authors: Michel Boerner
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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Integer polynomials do not define a method {{{disc()}}}, yet rational
polynomials do.
{{{
sage: R.<x>=ZZ[]
sage: f=x^2+4
sage: f.discriminant()
-16
sage: f.disc()
AttributeError
sage: g=f.change_ring(QQ)
sage: g.disc()
-16
}}}
Adding {{{disc()}}} to the respective file for integer polynomials.
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Ticket URL: <http://trac.sagemath.org/ticket/17603>
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