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annotate src/mark.cc @ 268:61830a4f9ab9

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author Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
date Thu, 14 Aug 2014 12:26:55 +0200
parents 53039ac90368
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1 /*
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2 Copyright (C) 2014 Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
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3
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4 This program is free software; you can redistribute it and/or modify it under
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5 the terms of the GNU General Public License as published by the Free Software
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6 Foundation; either version 3 of the License, or (at your option) any later
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7 version.
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8
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9 This program is distributed in the hope that it will be useful, but WITHOUT
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10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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12 details.
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13
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14 You should have received a copy of the GNU General Public License along with
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15 this program; if not, see <http://www.gnu.org/licenses/>.
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16 */
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17
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18 #include <dolfin.h>
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19 #include "meshfunction.h"
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20 #include "subdomain.h"
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21 #include "dolfin_compat.h"
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22
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23 DEFUN_DLD (mark, args, nargout,
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24 "-*- texinfo -*-\n\
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25 @deftypefn {Function File} {[@var{markers}]} = \
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26 mark (@var{subdomain}, @var{meshfunction}, @var{number})\n\
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27 Mark @var{meshfunction} with @var{number} on the entities contained in \
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28 @var{subdomain}. The output, @var{markers}, is a copy of @var{meshfunction} \
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29 where entities inside @var{subdomain} are marked.\n\
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30 @seealso{MeshFunction, SubDomain}\n\
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31 @end deftypefn")
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32 {
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33 int nargin = args.length ();
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34 octave_value retval;
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35
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36 if (nargin < 3 || nargin > 3 || nargout > 1)
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37 { print_usage (); }
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38 else
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39 {
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40 if (! meshfunction_type_loaded)
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41 {
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42 meshfunction::register_type ();
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43 meshfunction_type_loaded = true;
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44 mlock ();
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45 }
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46 if (! subdomain_type_loaded)
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47 {
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48 subdomain::register_type ();
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49 subdomain_type_loaded = true;
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50 mlock ();
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51 }
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52
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53 if (args(0).type_id () == subdomain::static_type_id () &&
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54 args(1).type_id () == meshfunction::static_type_id () &&
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55 args(2).is_real_scalar ())
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56 {
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57 std::size_t number = args(2).ulong_value ();
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58 subdomain const & sd = static_cast <subdomain const &>
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59 (args(0).get_rep ());
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60 meshfunction const & mf = static_cast <meshfunction const &>
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61 (args(1).get_rep ());
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62
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63 if (! error_state)
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64 {
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65 dolfin::MeshFunction <std::size_t> out = mf.get_mf ();
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66 SHARED_PTR <subdomain_rep const> const & sdrep = sd.get_psd ();
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67
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68 sdrep->mark (out, number);
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69 retval = new meshfunction (mf.get_str (), out);
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70 }
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71 }
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72 else
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73 { error ("invalid input arguments"); }
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74 }
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75
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76 return retval;
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77 }