#14960: Polynomials over Z, Q, Z/nZ don't compose efficiently
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Reporter: fredrik.johansson | Owner:
Type: enhancement | Status: new
Priority: major | Milestone:
Component: performance | Keywords: flint, polynomials
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Dependencies: | Stopgaps:
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The !__call!__ methods on flint-based polynomial types currently simply
fall back to the generic Polynomial.!__call!__ for any nonconstant input.
This is a most silly thing to do since flint has very fast code for
polynomial composition.
Specifically, the !__call!__ methods in Polynomial_integer_dense_flint,
Polynomial_rational_flint, Polynomial_zmod_flint should use
fmpz_poly_compose, fmpq_poly_compose or nmod_poly_compose when the output
is of the appropriate type.
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Ticket URL: <http://trac.sagemath.org/ticket/14960>
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