/usr/include/SyFi/diff_tools.h is in libsyfi1.0-dev 1.0.0.dfsg-1.2.
This file is owned by root:root, with mode 0o644.
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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 34 35 36 37 38 | // Copyright (C) 2006-2009 Kent-Andre Mardal and Simula Research Laboratory
//
// This file is part of SyFi.
//
// SyFi is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// SyFi 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with SyFi. If not, see <http://www.gnu.org/licenses/>.
#ifndef DIFF_TOOLS_IS_INCLUDED
#define DIFF_TOOLS_IS_INCLUDED
#include <ginac/ginac.h>
namespace SyFi
{
// the divergence
// GiNaC::ex div(GiNaC::exvector& v);
GiNaC::ex div(GiNaC::lst& v);
GiNaC::ex div(GiNaC::lst& v,GiNaC::ex G);
GiNaC::ex div(GiNaC::ex v);
GiNaC::ex div(GiNaC::ex v, GiNaC::ex G);
// the gradient
GiNaC::ex grad(GiNaC::ex f);
GiNaC::ex grad(GiNaC::ex f, GiNaC::ex G);
}
#endif
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