#10483: Deprecate the misuse of symbolic variables as polynomial variable
-------------------------------------+-------------------------------------
Reporter: SimonKing | Owner: AlexGhitza
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.4
Component: basic arithmetic | Resolution:
Keywords: deprecation | Merged in:
symbolic polynomial variable | Reviewers: Karl-Dieter Crisman
Authors: Simon King, Ralf | Work issues:
Stephan | Commit:
Report Upstream: N/A | 7874bd347acdcc1f5b6683c53f6021a623dbb4ac
Branch: public/10483-2 | Stopgaps:
Dependencies: |
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Comment (by jdemeyer):
In various places in the library files, you manually call `R[repr(x)]` or
`R[str(x)]`. Is that really needed? Maybe in some cases it is justified,
but you need to convince me.
Then some details:
{{{
x, y = 'x', 'y'
}}}
is confusing, just use `'x'` and `'y'` instead of `x` and `y`.
Replace
{{{
R = PolynomialRing(GF(2)['x'])
}}}
by
{{{
R = PolynomialRing(GF(2), 'x')
}}}
Change
{{{
from sage.misc.misc import deprecation
...
if do_something_deprecated():
deprecation(..)
}}}
to
{{{
...
if do_something_deprecated():
from sage.misc.misc import deprecation
deprecation(..)
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/10483#comment:26>
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