tgrounded_cell_fraction.hh - pism - [fork] customized build of PISM, the parallel ice sheet model (tillflux branch)
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tgrounded_cell_fraction.hh (1574B)
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1 /* Copyright (C) 2016, 2017, 2018 PISM Authors
2 *
3 * This file is part of PISM.
4 *
5 * PISM is free software; you can redistribute it and/or modify it under the
6 * terms of the GNU General Public License as published by the Free Software
7 * Foundation; either version 3 of the License, or (at your option) any later
8 * version.
9 *
10 * PISM is distributed in the hope that it will be useful, but WITHOUT ANY
11 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
13 * details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with PISM; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20 #ifndef _GROUNDED_CELL_FRACTION_H_
21 #define _GROUNDED_CELL_FRACTION_H_
22
23 namespace pism {
24
25 class IceModelVec2S;
26
27 double grounded_area_fraction(double a, double b, double c);
28
29 /*!
30 * Compute grounded cell fractions by splitting control volumes into triangles and
31 * treating the flotation criterion as a linear function on each triangle.
32 */
33 void compute_grounded_cell_fraction(double ice_density,
34 double ocean_density,
35 const IceModelVec2S &sea_level,
36 const IceModelVec2S &ice_thickness,
37 const IceModelVec2S &bed_topography,
38 IceModelVec2S &result);
39
40 } // end of namespace pism
41
42
43 #endif /* _GROUNDED_CELL_FRACTION_H_ */