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annotate src/fem_func.cc @ 46:a64e195d0611

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Wrapper class for dolfin::Function * function.h: definition of the new clas function which derives from octave_base_value * fem_func.cc: take as input a functionspace and a vector and creates an object of type function * fem_init_env: register also the class function
author gedeone-octave <marco.vassallo@outlook.com>
date Mon, 22 Jul 2013 14:56:51 +0200
parents
children c73bca616ca7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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46
a64e195d0611 Wrapper class for dolfin::Function
gedeone-octave <marco.vassallo@outlook.com>
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1 #include <dolfin.h>
a64e195d0611 Wrapper class for dolfin::Function
gedeone-octave <marco.vassallo@outlook.com>
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2 #include "functionspace.h"
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3 #include "function.h"
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4
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gedeone-octave <marco.vassallo@outlook.com>
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5 DEFUN_DLD (fem_func, args, , "fem_func: functionspace V, vector u")
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6 {
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7
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gedeone-octave <marco.vassallo@outlook.com>
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8 int nargin = args.length ();
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gedeone-octave <marco.vassallo@outlook.com>
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9 octave_value retval=0;
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10
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11 if (nargin < 2 || nargin > 2)
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12 print_usage ();
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13 else
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14 {
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15 if (! functionspace_type_loaded)
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16 {
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17 functionspace::register_type ();
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18 functionspace_type_loaded = true;
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19 mlock ();
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20 }
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21 if (args(0).type_id () == functionspace::static_type_id ())
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22 {
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gedeone-octave <marco.vassallo@outlook.com>
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23 const functionspace & fspo =
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24 static_cast<const functionspace&> (args(0).get_rep ());
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25 Array <double> myu = args(1).array_value ();
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26
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27 if (!error_state)
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28 {
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29 const boost::shared_ptr<const dolfin::FunctionSpace> & V = fspo.get_pfsp ();
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30
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31 dolfin::Vector du(myu.length ());
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32 for (std::size_t i = 0; i < myu.length (); ++i)
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33 du.setitem (i, myu(i));
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34
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35 boost::shared_ptr<dolfin::Vector> uu (new dolfin::Vector(du));
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36 boost::shared_ptr <const dolfin::Function> u (new dolfin::Function(V, uu));
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37
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38 if (! function_type_loaded)
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39 {
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40 function::register_type ();
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41 function_type_loaded = true;
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42 mlock ();
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43 }
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44
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gedeone-octave <marco.vassallo@outlook.com>
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45 retval = new function (u);
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46 }
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47 }
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48 }
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gedeone-octave <marco.vassallo@outlook.com>
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49 return retval;
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50 }