+c MEFISTO : library to compute 2D triangulation from segmented boundaries
+c
+c Copyright (C) 2003 Laboratoire J.-L. Lions UPMC Paris
+c
+c This library is free software; you can redistribute it and/or
+c modify it under the terms of the GNU Lesser General Public
+c License as published by the Free Software Foundation; either
+c version 2.1 of the License.
+c
+c This library is distributed in the hope that it will be useful,
+c but WITHOUT ANY WARRANTY; without even the implied warranty of
+c MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+c Lesser General Public License for more details.
+c
+c You should have received a copy of the GNU Lesser General Public
+c License along with this library; if not, write to the Free Software
+c Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+c
+c See http://www.ann.jussieu.fr/~perronne or email Perronnet@ann.jussieu.fr
+c
+c
+c File : trte.f
+c Module : SMESH
+c Author: Alain PERRONNET
+
subroutine qutr2d( p1, p2, p3, qualite )
c+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
c but : calculer la qualite d'un triangle de r**2
