/usr/include/dolfin/common/constants.h is in libdolfin-dev 1.4.0+dfsg-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | // Copyright (C) 2008 Anders Logg
//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// DOLFIN is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// First added: 2008-04-22
// Last changed: 2013-12-09
//
// This file provides values for common constants.
#ifndef __DOLFIN_CONSTANTS_H
#define __DOLFIN_CONSTANTS_H
#define DOLFIN_EPS 3.0e-16
#define DOLFIN_EPS_LARGE 1e-14
#define DOLFIN_SQRT_EPS 1.0e-8
#define DOLFIN_PI 3.141592653589793238462
#define DOLFIN_LINELENGTH 256
#define DOLFIN_TERM_WIDTH 80
#endif
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