Subject: [PATCH] add parmetis

From: Franck Pérignon <[email-masked]>
Date: Tue, 6 Apr 2021 11:39:39 +0200

Hello,

the attached file adds parmetis (http://glaros.dtc.umn.edu/gkhome/metis/parmetis/overview) in guix, saved in gnu/packages/math.scm