sage-3.0.1.txt

Hello folks,

Sage 3.0.1 has been released on May 4th, 2008. It is available at

           http://sagemath.org/download.html

* About Sage (http://www.sagemath.org)

Sage is developed by volunteers and combines 71 open source packages.
It is available for download from sagemath.org and its mirrors in
source or binary form. If you have any questions and/or problems
please report them to the Google groups sage-devel or sage-support.
You can also drop by in #sage-devel or #sage-support in freenode.

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The following 24 people contributed to this release:

 * Tim Abbott
 * Michael Abshoff
 * Jason Bandlow
 * Francois Bissey
 * Tom Boothby
 * Robert Bradshaw
 * Dan Bump
 * Craig Citro
 * Timothy Clemans
 * Didier Deshommes
 * Lars Fischer
 * Gary Furnish
 * Alex Ghitza
 * Jason Grout
 * David Joyner
 * Marshall Hampton
 * Kiran Kedlaya
 * Robert Miller
 * Max Murphy
 * Andrey Novoseltsev
 * Willem Jan Palenstijn
 * David Roe
 * William Stein
 * Scot Terry

Cheers,

Michael Abshoff (release chair), William Stein

* Major Features, New Spkgs and Bugfixes

 * PBuild (Gary Furnish)
 * Convex Hulls And Polyhedral Functions Improvements (Marshall Hampton)
 * Lattice Polytope Update (Andrey Novoseltsev)
 * zeta_function Method for Schemes (Kiran Kedlaya)
 * More Debianization (Tim Abbott)
 * Default Mode for Notebook no longer uses SSL (William Stein)

For details see the Sage 3.0.1 Release Tour at

  http://wiki.sagemath.org/sage-3.0.1

* Known Issues with 3.0.1:

 #2983: Singular interface problems in matrix_group.py on 
        Itanium/Linux RHEL 5: We see a segfault in the 
        doctest when using the default system compiler.        

* Bug Statistics

We closed a record number of 75 tickets. For details see

   http://trac.sagemath.org/sage_trac/milestone/sage-3.0.1

or check out the closed ticket section at the end of the 
announcement. 

* Upcoming Releases

The next release will be 3.0.2, chaired by Michael Abshoff. 
The release is planned in about a week. It will be mostly a 
bug fix release to clear up issues from the 3.0.1 release.

* Doctesting Coverage

For 3.0 we had:

Overall weighted coverage score:  51.5%
Total number of functions:  19514

We increased coverage by 0.3% in 3.0.1 while adding 39 functions:

Overall weighted coverage score:  51.8%
Total number of functions:  19553

* Closed Tickets:

Merged in final:

#3010: Michael Abshoff: Numerical noise doctest failure in 
       rings/complex_double.pyx
#3085: Jason Grout: fix identity matrix docs [reported by Geoff 
       Tims]
#3087: Tim Abbott: Fix stupid mistakes in Debian palp copyright 
       files
#3088: Tim Abbott: Fixes for Debian gfan build
#3092: Tim Abbott: Debian Singular permissions fixes
#3093: Tim Abbott: Debian lcalc package missing -DINCLUDE_PARI 
       flag
#3094: Tim Abbott: Update to SAGE Debian packaging
#3095: Lars Fischer, Michael Abshoff: Notebook, Documentation 
       of DATA has a small error
#3096: Michael Abshoff: Fix documentation rebuild issues for 
       Sage 3.0.1.final
#3098: Willem Jan Palenstijn, William Stein: doctest failure in 
       devel/sage/sage/rings/ring.pyx involving synchronizing 
       the Singular interface
#3101: Gary Furnish, Michael Abshoff: pbuild: mwrank.so needs 
       to be build as a C++ extension

Merged in rc0:

#2755: Andrey Novoseltsev: lattice_polytope.py update
#3060: Marshall Hampton, Michael Abshoff: update optional 
       biopython package to 1.45 release
#3062: Timothy Clemans: implement __oct__ special method for the 
       integers
#3070: Robert Miller: bug in SymmetricGroup(1).cayley_graph()
#3071: Gary Furnish: Using pbuild does not create site-packages 
       sage symlink
#3072: Willem Jan Palenstijn: sage -i numeric-24.2 (and all other 
       experimental packages) fails
#3074: Robert Bradshaw: update Cython to the 0.9.6.14 release
#3076: Michael Abshoff: spkg-debian in extcode spkg not executable
#3077: Gary Furnish: pbuild does not return properly on failure
#3078: Willem Jan Palenstijn: sage's spkg-install doesn't return 
       failure if build failed
#3082: William Stein: sage-3.0.1.alpha1: a twist.py doctest failure

Merged in alpha1:

#1261: Gary Furnish: parallel "sage -br"
#1549: Alex Ghitza: Sage 2.9: fix optional doctests in tut.tex
#2216: Alex Ghitza: Creating an order in a number field --> 
       infinite loop?
#2504: Alex Ghitza: number field .units() method caches 
       proof=False result and returns it for proof=True
#2523: Craig Citro: bug in modular symbols for GammaH subgroup
#2716: Marshall Hampton: convex hulls and polyhedral functions
#2741: William Stein, Timothy Clemans: Implement mesh lines 
       in 3d plots
#2938: Craig Citro: Fix ModularSymbols(GammaH(8,[3])).decomposition()
       ModularSymbols(GammaH(81, [10])).decomposition(); 
#3029: Tim Abbott: Move DEB_AUTO_UPDATE_DEBIAN_CONTROL out 
       of Debian packages
#3030: Gary Furnish: Cython working directory command line 
       option patch
#3031: Kiran Kedlaya, Craig Citro:  Add zeta_function method 
       for schemes
#3032: Dan Bump: minor docstring cleanup in crystals.py and 
       tensor_product.py
#3034: Tim Abbott: improved cleaning code for Debian packages
#3036: Tim Abbott: SAGE_TESTDIR broken
#3037: Gary Furnish, Robert Bradshaw: update cython to 
       0.9.6.13-20080426
#3038: Tim Abbott: SAGE setup.py fixes for using Debian 
       packaged polybori, zn_poly
#3039: Tim Abbott: Improve auto-generated version numbers 
       for Debian packages
#3041: Francois Bissey, Michael Abshoff: optimization setting 
       in LinBox.spkg is broken
#3054: Jason Grout: copying a graph doesn't copy _pos or 
       _boundary
#3055: Jason Grout: creating subgraph does not delete _pos 
       entries [reported by Tracy McKay and Laura DeLoss]
#3057: Tom Boothby: MPolynomialRing_generic type-checks to 
       determine commutativity
#3059: William Stein, Timothy Clemans: notebook -- rewrite 
       notebook(...) function to *not* use SSL by default
#3061: Michael Abshoff, Max Murphy: use readlink and realpatch 
       so that symlinking sage works
#3063: Didier Deshommes: empty matrices: norm() returns a 
       ValueError
#3064: Didier Deshommes: empty matrices: density() function 
       throws a ZeroDivisionError
#3066: Didier Deshommes: empty matrices: gram_schmidt() throws 
       a NameError
#3067: Didier Deshommes: matrices: numeric_array() is missing 
       an import

Merged in alpha0:

#783: Alex Ghitza: dilog is lame
#1187: Alex Ghitza: bug in G.conjugacy_classes_subgroups()
#1921: Alex Ghitza, Mike Hansen: add random_element to groups
#2302: Michael Abshoff, William Stein, Scot Terry: Add a 64 
       bit glibc 2.3 based binary of Sage to the default 
       build platforms
#2325: David Roe, Kiran Kedlaya: segfault in p-adic extension() 
       method
#2821: Alex Ghitza: get rid of anything "about this document" 
       sections of any sage docs that say "send email to stein"
#2939: David Joyner: piecewise.py improvements (docstring and 
       laplace fixes)
#2985: Michael Abshoff: ITANIUM (RHEL 5) -- bug in rubik.py's 
       OptimalSolver()
#2993: Michael Abshoff: OSX/gcc 4.2: disable padlock support 
       per default
#2995: Alex Ghitza: some new functionality and doctests for 
       congruence subgroups
#3003: Jason Bandlow: Bugfix for to_tableau() method of 
       CrystalOfTableaux elements
#3005: Craig Citro: modabar -- failure to compute endomorphism 
       ring
#3006: David Joyner: missing elliptic integrals in special.py
#3014: Michael Abshoff: ZZ.random_element -- corrupted docstring
#3017: Michael Abshoff: invalid link after make install
#3022: Tim Abbott: Debian package support for polybori
#3023: Jason Grout: make apply_map deal with empty matrices
#3025: William Stein: Sparse vector spaces don't cast on 
       assignment
#3027: Tim Abbott: Debian lintian fixes