#16685: power series reversion using flint
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Reporter: jj | Owner:
Type: enhancement | Status: needs_work
Priority: minor | Milestone: sage-6.3
Component: number theory | Resolution:
Keywords: flint power | Merged in:
series reversion | Reviewers: Jean-Pierre Flori
Authors: Jonas Jermann | Work issues:
Report Upstream: N/A | Commit:
Branch: | c26bac1016c12b7ff440886c7bf69a18026a642e
public/ticket/16685 | Stopgaps:
Dependencies: |
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Changes (by jpflori):
* status: needs_review => needs_work
* reviewer: => Jean-Pierre Flori
Comment:
A few remarks:
* this looks strange:
{{{
...revert_series(5+1)
}}}
why not put 6 in there?
* please beautify the docstring `f(self(x)) = ...` using sphinx syntax.
* the variable name of the power series could be used in `and +1 or -1 as
the coefficient for x^1`
* please put `sig_on/sig_off` around the calls to the FLINT C function
calls (unless you're sure it will always be super fast, but I fear it
won't be the case for series with a large number of terms/polynomials of
high degree).
--
Ticket URL: <http://trac.sagemath.org/ticket/16685#comment:3>
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