#16685: power series reversion using flint
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Reporter: jj | Owner:
Type: enhancement | Status: new
Priority: minor | Milestone: sage-6.3
Component: number theory | Keywords: flint power
Merged in: | series reversion
Reviewers: | Authors: jj
Work issues: | Report Upstream: N/A
Commit: | Branch:
36f13335c2a6e11b0cf423d87880312e0ab4a77e| u/jj/revert_series
Stopgaps: | Dependencies:
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Adds series reversion for integer and rational flint polynomials
which is much faster than the current implementation for series
reversion (sage/pari).
Since it is implemented as a method for polynomials the change is
rather small and non-intrusive (in particular it doesn't require
to implement power series using flint).
To use it for power series reversion (at the moment) the series has
to be converted to a (flint) polynomial first, reverted using
"revert_series(n=prec)" and later be converted back to a power series.
Acknowledgements: Thanks for the help on IRC!
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Ticket URL: <http://trac.sagemath.org/ticket/16685>
Sage <http://www.sagemath.org>
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