Closed seblabbe closed 4 years ago
With SageMath version 9.2.beta2, Release Date: 2020-06-26, the command
SageMath version 9.2.beta2, Release Date: 2020-06-26
sage -t --optional=sage,internet src/sage/combinat/quickref.py
gives
sage -t --long src/sage/combinat/quickref.py ********************************************************************** File "src/sage/combinat/quickref.py", line 9, in sage.combinat.quickref Failed example: s[0].programs() # optional - internet Expected: 0: (PARI) {a(n) = if( n<0, 0, n!^2 * 4^n * polcoeff( 1 / besselj(0, x + x * O(x^(2*n))), 2*n))}; /* _Michael Somos_, May 17 2004 */ Got: [('maple', 0: A000275 := proc(n) sum(z^k/k!^2, k = 0..infinity); 1: series(%^x, z=0, n+1): n!^2*coeff(%,z,n); add(abs(coeff(%,x,k)), k=0..n) end: 2: seq(A000275(n), n=0..17); # _Peter Luschny_, May 27 2017), ('mathematica', 0: a[0] = 1; a[n_] := a[n] = Sum[(-1)^(r+n+1)*Binomial[n, r]^2 a[r], {r, 0, n-1}]; Table[a[n], {n, 0, 17}] (* _Jean-François Alcover_, Aug 05 2013 *) 1: CoefficientList[Series[1/BesselJ[0,Sqrt[4*x]], {x, 0, 20}], x]* Range[0, 20]!^2 (* _Vaclav Kotesovec_, Mar 02 2014 *) 2: a[ n_] := If[ n < 0, 0, (n! 2^n)^2 SeriesCoefficient[ 1 / BesselJ[ 0, x], {x, 0, 2 n}]]; (* _Michael Somos_, Aug 20 2015 *)), ('pari', 0: {a(n) = if( n<0, 0, n!^2 * 4^n * polcoeff( 1 / besselj(0, x + x * O(x^(2*n))), 2*n))}; /* _Michael Somos_, May 17 2004 */)] ********************************************************************** 1 item had failures: 1 of 22 in sage.combinat.quickref 5 not tested tests not run 0 tests not run because we ran out of time [21 tests, 1 failure, 3.06 s]
Component: combinatorics
Author: Frédéric Chapoton
Branch/Commit: d56f012
d56f012
Reviewer: Sébastien Labbé
Issue created by migration from https://trac.sagemath.org/ticket/30019
done, please review
New commits:
fix oeis doctest
Branch: u/chapoton/30019
Commit: d56f012
Maybe you want to review #30020
Changed branch from u/chapoton/30019 to d56f012
With
SageMath version 9.2.beta2, Release Date: 2020-06-26
, the commandgives
Component: combinatorics
Author: Frédéric Chapoton
Branch/Commit:
d56f012
Reviewer: Sébastien Labbé
Issue created by migration from https://trac.sagemath.org/ticket/30019