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_ */