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AsymptoticRing default_prec lost with coercion #22396

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dkrenn opened this issue Feb 20, 2017 · 11 comments
Closed

AsymptoticRing default_prec lost with coercion #22396

dkrenn opened this issue Feb 20, 2017 · 11 comments
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c: asymptotic expansions p: major / 3 t: bug
Milestone
sage-7.6

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@dkrenn
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dkrenn commented Feb 20, 2017 

sage: A.<n> = AsymptoticRing('ZZ^n * n^ZZ', ZZ, default_prec=3)
sage: 1/(1+n)
n^(-1) - n^(-2) + n^(-3) + O(n^(-4))

vs.

sage: 1/(QQ(1)+n)
n^(-1) - n^(-2) + n^(-3) - n^(-4) + n^(-5) - n^(-6) + n^(-7) - n^(-8) + n^(-9) - n^(-10) + n^(-11) - n^(-12) + n^(-13) - n^(-14) + n^(-15) - n^(-16) + n^(-17) - n^(-18) + n^(-19) - n^(-20) + O(n^(-21))

Depends on #22392

CC: @cheuberg @behackl

Component: asymptotic expansions

Author: Daniel Krenn

Branch/Commit: 1690706

Reviewer: Clemens Heuberger

Issue created by migration from https://trac.sagemath.org/ticket/22396
@dkrenn dkrenn added this to the sage-7.6 milestone Feb 20, 2017
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dkrenn commented Feb 20, 2017

Branch: u/dkrenn/asy-function-default-prec

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dkrenn commented Feb 20, 2017

Dependencies: #22392

@dkrenn
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dkrenn commented Feb 20, 2017

New commits:

4ddcdc3Trac #22392: new parameter cls
45728ffTrac #22392: pass cls from AsymptoticRing.construction
0982d06Trac #22392: use new parameter cls
f6d4502Trac #22392: adapt repr
2c752fcTrac #22396: keep track of default_prec and category in construction functor
c5db054Trac #22396: pass parameters to functor
e4cac6eTrac #22396: doctest
26aebecTrac #22396: equality-test
0e4c5d4Trac #22396: determine new parameters
9940f17Trac #22396: doctests

@dkrenn
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dkrenn commented Feb 20, 2017

Author: Daniel Krenn

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dkrenn commented Feb 20, 2017

Commit: 9940f17

@cheuberg
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Changed branch from u/dkrenn/asy-function-default-prec to u/cheuberg/asy-function-default-prec

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sagetrac-git mannequin commented Feb 21, 2017

Branch pushed to git repo; I updated commit sha1. New commits:

1690706Trac #22396: mention Trac ticket in Tests

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sagetrac-git mannequin commented Feb 21, 2017

Changed commit from 9940f17 to 1690706

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Reviewer: Clemens Heuberger

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comment:6

LGTM.

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vbraun commented Feb 26, 2017

Changed branch from u/cheuberg/asy-function-default-prec to 1690706

@vbraun vbraun closed this as completed in 4f79590 Feb 26, 2017
@behackl behackl mentioned this issue Dec 29, 2022
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dimpase pushed a commit to tornaria/sage that referenced this issue Feb 7, 2023
@dkrenn
Merge branch 'public/polynomials/laurent_mpoly_constructor-21976' of …
3a3aec5 
…git://trac.sagemath.org/sage into t/22067/gf-polyhedron

* 'public/polynomials/laurent_mpoly_constructor-21976' of git://trac.sagemath.org/sage: (709 commits)
  Some reviewer changes.
  Updated SageMath version to 7.6.beta5
  py3: remove usage of `_richcmp` in complex fields
  a few conversions from _cmp_ to _richcmp_
  Trac sagemath#22404: forgotten change in doctest
  Allow custom CXXFLAGS for pynac
  Mark surf as experimental
  List surf dependencies, do not build by default
  some doc cleanup in ell_rational_field and 2 neighbor files
  Trac sagemath#22398: py3: fix <type 'tuple'>
  trac 21592 some missing accents
  Clean up pynac interface
  py3 compatibility
  Trac sagemath#22404: add blanks after commas (except for tuples representing exponents) in polydict
  Improvements and some cleanup to ETuple.
  Trac sagemath#22396: mention Trac ticket in Tests
  Trac sagemath#22392: Mention Trac Ticket in Tests
  Trac sagemath#22402: PEP8: fix trailing whitespace
  Trac sagemath#22398: simplify id(...) = id(...) in doctest
  Trac sagemath#22398: doctest non-modifying input
  ...
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