May 4, 2016: version 1.2.6

    * minor changes to Makefile

Apr 1, 2016: version 1.2.5

    * licensing simplified (no other change); refer to BTF/Doc/License.txt

Feb 1, 2016: version 1.2.4

    * update to Makefiles

Jan 30, 2016: version 1.2.3

    * modifications to Makefiles

Jan 1, 2016: version 1.2.2

    * modified Makefile to create shared libraries
        No change to C code except version number

Oct 10, 2014: version 1.2.1

    modified MATLAB/btf_make.m.  No change to C code except version number.

Jun 1, 2012: version 1.2.0

    * changed from UFconfig to SuiteSparse_config

Dec 7, 2011: version 1.1.3

    * fixed the Makefile to better align with CFLAGS and other standards

Jan 25, 2011: version 1.1.2

    * minor fix to "make install"

Nov 30, 2009: version 1.1.1

    * added "make install" and "make uninstall"

Mar 24, 2009: version 1.1.0

    * tabs expanded to 8 spaces; version number updated to stay in sync with KLU

Nov 1, 2007: version 1.0.1

    * trivial change to BTF/MATLAB/btf.c mexFunction: unused variable removed.

May 31, 2007:  version 1.0 released

    * the C application program interface has been modified (see below)

    * maxtrans function renamed to btf_maxtrans

    * strongcomp function renamed to btf_strongcomp

    * full statement coverage tests (KLU/Tcov)

    * maxwork parameter added to btf_maxtrans and btf_order

    * btf_maxtrans modified; now returns Q[i] = -1 if row i is unmatched;
        code to complete the permutation moved to btf_order.  This also
        changes the maxtrans mexFunction.

    * btf_install added for easy MATLAB installation

    * illustrative recursive version of maxtrans removed (see the recursive
        version of cs_maxtrans in CSparse instead)

    * MAXTRANS_* macros renamed BTF_*

    * no bug fixes in this release

Dec 12, 2006: version 0.11

    * minor MATLAB cleanup

Apr 30, 2006:

    * minor editing of comments.  dmperm.c moved to MATLAB directory, since
        it requires MATLAB.  Version number not changed.

