Hello,

I've posted sage-2.5.alpha3 here:

   http://sage.math.washington.edu/home/was/sage2.5/

Feedback is welcome.   This still won't build on OS X PowerPC or
Cygwin, but should build on Linux and Intel OS X and pass "make test"
there.  Also, it should have most code that people have sent me for
inclusion in SAGE.   The official sage-2.5 is getting close, so any
testing feedback is greatly appreciated.  In particular, if people
could try out some of the new features in sage-2.5, especially symbolic
computation, this would be quite valuable.

Here's a list of the main things that are new in sage-2.5.alpha3:

2.5:     * new packages:
             - flintqs
             - ipython-0.8.0 (w stein)
             - maxima-5.12.0 (w stein)
             - python-2.5.1 (y qiang) -- important bug fixes
             - tachyon3d-0.98beta (w stein)
         * m abshoff:  cputime bugfix for cygwin
         * m albrecht: major new singular library mode interface for SAGE which
                       provides the world's fastest polynomial
arithmetic to SAGE (not
                       yet enabled by default!)
         * r bradshaw: tons of polynomial and power series optimizations;
                       Coleman p-adic integration; Kedlaya for genus > 1
         * t clemens:  source browser bugfix
         * p de napoli:fix some bugs in rationals and integers
         * d deshomme: (refereed by r bradshaw and w stein) very good support
                       for Hida's quad-double field RQDF.
         * w hart:     quadratic sieve update (SAGE's qsieve command):
"It is MUCH faster,
                       especially for large factorizations, on account
of having implemented the
                       large prime variant. it will factor an 81 digit
number in < 20 minutes.
                       On the Athlon it is the fastest generally
available implementation of the
                       quadratic sieve in the world for certain sized
factorizations, and
                       only slightly behind at other sizes."
                       Another example: n =
next_prime(2^110)*next_prime(2^120) has these
                       times on 32-bit 2Ghz linux: qsieve (107s), PARI
(223s), Magma 2.13 (336s).
         * d harvey:   improvements, bug fixes.
         * d kohel:    quaternion algebra improvements
         * k minola:   tmp file clean bugfix; misc build fixes.
         * k minola, d joyner:  updated the conway polynomial table
         * w stein and b moretti: major new symbolic calculus functionality
         * w stein:    rewrite of SAGE/maxima interface.
         * c witty:    (refereed by n alexandar) a new algebraic reals field
                       (Qbar meet RR!).  mpfr improvements

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