gnu: scotch: Build with flex-2.6.1.

* gnu/packages/maths.scm (scotch)[native-inputs]: Use flex-2.6.1 and not
flex.

gnu: openblas: Add support for aarch64.

* gnu/packages/maths.scm (openblas)[arguments]: Mark aarch64 as
substitutable, build for target ARMv8.

Merge branch 'master' into core-updates

gnu: Add maxflow.

* gnu/packages/maths.scm (maxflow): New variable.

gnu: Add itpp.

* gnu/packages/maths.scm (itpp): New variable.

gnu: Add ocaml-gsl.

* gnu/packages/maths.scm (ocaml-gsl): New variable.

Merge remote-tracking branch 'origin/master' into core-updates

gnu: units: Update to 2.14.

* gnu/packages/maths.scm (units): Update to 2.14.

Merge remote-tracking branch 'origin/master' into core-updates

gnu: octave: Build with curl and graphicsmagick.

* gnu/packages/maths.scm (octave)[inputs]: Add curl and graphicsmagick.

Signed-off-by: Leo Famulari <leo@famulari.name>

Merge branch 'master' into core-updates

gnu: Add jacal.

* gnu/packages/maths.scm (jacal): New variable.
* gnu/packages/patches/jacal-fix-texinfo.patch: New file.

gnu: octave: Update to 4.2.1.

* gnu/packages/maths.scm (octave): Update to 4.2.1.

gnu: wxmaxima: Downgrade to 16.04.2.

* gnu/packages/maths.scm (wxmaxima): Do it.

Signed-off-by: Kei Kebreau <kei@openmailbox.org>

gnu: coda: Update to 2.18.

* gnu/packages/python.scm (coda): Update to 2.18.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

Merge branch 'master' into python-tests

Merge remote-tracking branch 'origin/master' into core-updates

installer: Aris: update synopis and description.

* gnu/packages/maths.scm (aris): Use the synopsis and description from the
web page instead of the README file.

gnu: Add aris.

* gnu/packages/maths.scm(aris): New variable.

Merge branch 'master' into python-tests