I get the same problem as well.
> So we should look between 5.0.beta2 and 5.0.beta3, I guess.
>
>
Merged in sage-5.0.beta3:
#7509: William Stein, Wilfried Huss: notebook -- make it possible to debug
Python code in the notebook, e.g., something like pdb that works in the
notebook [Reviewed by David Roe]
#8458: Lukáš Lánský: iterator for graphs() doesn't return independent graphs
[Reviewed by Nathann Cohen]
#8879: Michael Orlitzky: Clean up whitespace in padic hyperelliptic curve file
[Reviewed by Karl-Dieter Crisman]
#10175: Volker Braun: symmetric and exterior powers of characters [Reviewed by
David Roe]
#10441: Lukáš Lánský: Error creating an empty multi-edge (di)graph [Reviewed by
Nathann Cohen]
#10628: Maarten Derickx, Simon King: initialization of matrices from vectors or
list of lists can be way faster [Reviewed by Simon King]
#10868: Michael Orlitzky: A wrong (easy) limit [Reviewed by Aly Deines]
#10916: Lukáš Lánský: Multiple loops and edges are lost upon pickling [Reviewed
by Nathann Cohen]
#10923: Thierry Monteil, Michael Orlitzky: Bad sign in integral() [Reviewed by
Benjamin Jones, Karl-Dieter Crisman]
#10940: Frederic Han: giac interface [Reviewed by David Kohel]
#11483: Michael Orlitzky, Jason Grout: enable abs_integrate package from maxima
[Reviewed by Karl-Dieter Crisman]
#11591: Michael Orlitzky: Incorrect results for integrals involving exponential
functions [Reviewed by Aly Deines]
#11739: Lukáš Lánský: add_vertex w/o params should return the new vertex
[Reviewed by Paul Zimmermann]
#11920: Jeroen Demeyer: Sympow needs to disable fused-multiply-add and should
create datafiles [Reviewed by Leif Leonhardy, Volker Braun]
#11981: Daniel Krenn: map_coefficients (of multivariate polynomial ring) cannot
change base_ring [Reviewed by Julian Rueth]
#12105: Johan Bosman: RuntimeError: Segmentation fault with nth_root [Reviewed
by Karl-Dieter Crisman]
#12144: William Stein: better document a technical confusing point in the
Hidden Markov Model code [Reviewed by Jason Grout]
#12261: David Roe: Bring Doctest coverage for element_ext_pari.py to 100%
[Reviewed by Karl-Dieter Crisman, Aly Deines]
#12317: Francis Clarke: printing factorisations [Reviewed by Robert Bradshaw]
#12325: Lukáš Lánský: Eulerian circuits/paths for (di)graphs [Reviewed by
Nathann Cohen]
#12328: François Bissey: GMP_BITS_PER_MP_LIMB is deprecated in gmp/mpir
[Reviewed by Robert Bradshaw]
#12370: Javier López Peña: Change is_singular to use rank instead of
determinant [Reviewed by Keshav Kini]
#12378: Joal Heagney, Nathann Cohen: Graph chromatic_number documentation
[Reviewed by Karl-Dieter Crisman]
#12386: Julien Puydt: [ARM] pickling issues in the matrix_mod2_dense code
[Reviewed by Martin Albrecht]
#12389: Nathann Cohen: Rounding error in graph coloring [Reviewed by David
Coudert]
#12395: David Roe: Change some random variable indexes that cause doctest
failures if doctests are run in a different order. [Reviewed by Karl-Dieter
Crisman]
#12412: Jim Stark: TypeError when creating a zero map from a zero dimensional
vector space to a positive dimensional vector space [Reviewed by Aly Deines]
Out of these, only #10868, #10923, # 11483, or # 11591 seem to even be
possible suspects.
#10868, #10923, and #11591 are pure documentation patches.
#11483 finally adds abs_integrate to our default, but that doesn't seem to
change Dima's result in vanilla Maxima.
(%i2) load(abs_integrate);
(%o2) /Users/.../sage-5.0/local/share/maxima/5.26.0/s\
hare/contrib/integration/abs_integrate.mac
(%i4) keepfloat:true;
(%o4) true
(%i7) integrate(ln(1+4/5*sin(x)), x, -3.1415, 3.1415);
3.1415
/
[ 4 sin(x)
(%o7) I ln(-------- + 1) dx
] 5
/
- 3.1415
And we have
sage: maxima_calculus(" integrate(ln(1+4/5*sin(x)), x, -3.1415, 3.1415);")
'integrate(ln(4*sin(x)/5+1),x,-3.1415,3.1415)
so something must indeed be wrong in how we're sending this to Maxima.
I've opened http://trac.sagemath.org/sage_trac/ticket/13097 for this.
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