Hello folks,

here is 3.2.rc0 and I have to confess that I cheated: I did build this
on numerous platforms before announcing here (if you hung out in IRC
you knew about this release for about 6 hours now) and as it turns out
my caution was justified. Doctesting is broken with this release
unless you do the following:

 ./sage -sh
 cd local/bin
 hg update -C

After doing that doctesting works again. The issue is (again) releated
to -sdist and I should have a fix in rc1 shortly. The initial plan has
been shifted by about 5 days, so expect a releae by Thursday. We
merged some major features in rc0, specifically the new timeit doctest
code as well as Cython 0.10 and the RDF/CDF backend switch to numpy.
Expect some numerical noise doctest failures and some other related
known issues. Please report issues here and check trac for existing
tickerts. There was also some major setup.py surgery, so please report
any Sage library build issue. "sage -b" should be much faster and less
buggy than before, but .... ;) One issue you will see  here is that we
no longer suppress warnings, so expect "sage -b" to be more noise.
While most of those are caused by Cython's code generator due to
unused variables there is definitely some stuff in there worth fixing.
If the noise level is too annoying we can turn on warning suppression
by default again.

Sources and a sage.math only binary can be found at

http://sage.math.washington.edu/home/mabshoff/release-cycles-3.2/

Cheers,

Michael

Merged in Sage 3.2.rc0:

#3310: Craig Citro,  Gonzalo Tonaria: sage -b fails after touching
sage/libs/mwrank/{mwrank.pyx,wrap.cc} [Reviewed by Michael Abshoff]
#3476: Nick Alexander, Mike Hansen: save timeit information with sage -
t -timeit [Reviewed by Mike Hansen, Michael Abshoff]
#3498: Jason Grout: make numpy the backend for matrices over CDF and
RDF [Reviewed by Mike Hansen, Robert Bradshaw, Michael Abshoff]
#3580: Craig Citro, John Voight: ensure that totallyreal does not
import numpy on startup [Reviewed by John Voight, Craig Citro]
#3750: Karl-Dieter Crisman: Request for a "log" function for Sage
integers [Reviewed by Mike Hansen]
#4362: Dan Bump: Bug fixes in tableaux latex output [Reviewed by Mike
Hansen, Nicolas Thiery]
#4395: William Stein: Sage 3.1.4: magma related optional doctest
failure in sage/rings/quotient_ring.py [Reviewed by Michael Abshoff]
#4425: Karl-Dieter Crisman: sqrt(4) returns a SymbolicComposition
instead of the number 2! [Reviewed by William Stein]
#4443: Craig Citro: Massive prime_range speedup, arith* files cleanup
[Reviewed by John Cremona]
#4444: Craig Citro: Remove duplicate source names in setup.py
[Reviewed by Michael Abshoff]
#4448: Jason Grout: bug in interact with matrices [Reviewed by Mike
Hansen]
#4452: William Stein: optimize next_prime [Reviewed by Robert
Bradshaw]
#4455: Nicolas Thiery: bug in Coxeter matrix for type G2 [Reviewed by
Mike Hansen]
#4462: John Perry, Jason Grout: contour_plot defaults changed to fill,
affects implicit_plot [Reviewed by Mike Hansen]
#4467: Michael Abshoff: removed unused hanke library code [Reviwed by
Jon Hanke]
#4473: William Stein: loading file.sage that has a line "load foo.py"
is broken due to a missing import [Reviewed by Michael Abshoff]
#4476: Robert Bradshaw: Update to Cython 0.10 [Reviewed by Michael
Abshoff]
#4479: Timothy Clemans: sage/logic/logic.py contains a trivial typo: "
varaiable" [Reviewed by Minh Nguyen]
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