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annotate src/assemble.cc @ 184:66071811eef8

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Improve the documentation for the pkg releae.
author gedeone-octave <marcovass89@hotmail.it>
date Sat, 09 Nov 2013 10:44:51 +0000
parents 8ea37cfc7a14
children 8ca45824938e
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1 /*
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2 Copyright (C) 2013 Marco Vassallo <gedeone-octave@users.sourceforge.net>
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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 "form.h"
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19 #include "boundarycondition.h"
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20
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21 DEFUN_DLD (assemble, args, nargout,
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22 "-*- texinfo -*-\n\
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23 @deftypefn {Function File} {[@var{A}], [@var{x}(Optional)]} = \
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24 assemble (@var{form_a}, @var{DirichletBC}) \n\
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25 Construct the discretization of a Form and apply essential BC.\n\
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26 The input arguments are\n\
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27 @itemize @bullet\n\
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28 @item @var{form_a} which is the form to assemble.\n\
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29 It can be a form of rank 2 (BilinearForm or JacobianForm), \
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30 a form of rank 1 (LinearForm or ResidualForm) or a form \
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31 of rank 0 (Functional).\n\
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32 @item @var{DirichletBC} represents the optional BC applied to \
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33 the system. \n\
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34 @end itemize \n\
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35 The output @var{A} is a discretized representation of the @var{form_a}:\n\
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36 @itemize @bullet\n\
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37 @item @var{A} is a sparse Matrix if @var{form_a} is a bilinear form\n\
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38 @item @var{A} is a Vector if @var{form_a} is a linear form\n\
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39 @item @var{A} is a Double if @var{form_a} is a functional\n\
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40 @end itemize \n\
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41 If boundary condition has to be applied to a vector for a nonlinear problem \
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42 then it should be provide as 2nd argument and it will be given back \
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43 as the second output argument. For an example of this situation, please refer \
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44 to the HyperElasticity example. \n\
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45 @seealso{BilinearForm, LinearForm, ResidualForm, JacobianForm, Functional}\n\
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46 @end deftypefn")
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47 {
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48 int nargin = args.length ();
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49 octave_value_list retval;
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50
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51 if (! boundarycondition_type_loaded)
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52 {
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53 boundarycondition::register_type ();
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54 boundarycondition_type_loaded = true;
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55 mlock ();
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56 }
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57
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58 if (! form_type_loaded)
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59 {
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60 form::register_type ();
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61 form_type_loaded = true;
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62 mlock ();
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63 }
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64
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65 if (nargout == 1)
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66 {
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67 if (nargin < 1)
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68 print_usage ();
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69 else
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70 {
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71 if (args(0).type_id () == form::static_type_id ())
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72 {
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73 const form & frm = static_cast<const form&> (args(0).get_rep ());
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74
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75 if (! error_state)
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76 {
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77 const dolfin::Form & a = frm.get_form ();
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78 a.check ();
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79
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80 if (a.rank () == 2)
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81 {
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82 dolfin::parameters["linear_algebra_backend"] = "uBLAS";
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83 dolfin::Matrix A;
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84 dolfin::assemble (A, a);
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85
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86 for (std::size_t i = 1; i < nargin; ++i)
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87 {
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88 if (args(i).type_id () ==
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89 boundarycondition::static_type_id ())
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90 {
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91 const boundarycondition & bc
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92 = static_cast<const boundarycondition&>
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93 (args(i).get_rep ());
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95 const
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96 std::vector<boost::shared_ptr
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97 <const dolfin::DirichletBC> >
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98 & pbc = bc.get_bc ();
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99
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100 for (std::size_t j = 0; j < pbc.size (); ++j)
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101 pbc[j]->apply(A);
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102 }
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103 else
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104 error ("assemble: unknown argument type");
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105 }
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106
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107 // Get capacity of the dolfin sparse matrix
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108 boost::tuples::tuple<const std::size_t*,
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109 const std::size_t*,
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110 const double*, int>
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111 aa = A.data ();
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112
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113 int nnz = aa.get<3> ();
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114 std::size_t nr = A.size (0), nc = A.size (1);
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115 std::vector<double> data_tmp;
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116 std::vector<std::size_t> cidx_tmp;
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117
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118 dim_vector dims (nnz, 1);
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119 octave_idx_type nz = 0, ii = 0;
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120 Array<octave_idx_type>
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121 ridx (dims, 0),
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122 cidx (dims, 0);
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123 Array<double> data (dims, 0);
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124
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125 octave_idx_type* orow = ridx.fortran_vec ();
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126 octave_idx_type* oc = cidx.fortran_vec ();
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127 double* ov = data.fortran_vec ();
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128
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129 for (std::size_t i = 0; i < nr; ++i)
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130 {
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131 A.getrow (i, cidx_tmp, data_tmp);
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132 nz += cidx_tmp.size ();
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133
172
8ea37cfc7a14 some formatting improvements
Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
134 for (octave_idx_type j = 0;
8ea37cfc7a14 some formatting improvements
Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
135 j < cidx_tmp.size (); ++j)
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
136 {
167
3895c8d4c066 Improved assembling of the matrix.
gedeone-octave <marcovass89@hotmail.it>
parents: 166
diff changeset
137 orow [ii + j] = i;
3895c8d4c066 Improved assembling of the matrix.
gedeone-octave <marcovass89@hotmail.it>
parents: 166
diff changeset
138 oc [ii + j] = cidx_tmp [j];
3895c8d4c066 Improved assembling of the matrix.
gedeone-octave <marcovass89@hotmail.it>
parents: 166
diff changeset
139 ov [ii + j] = data_tmp [j];
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
140 }
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
141
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
142 ii = nz;
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
143 }
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
144
167
3895c8d4c066 Improved assembling of the matrix.
gedeone-octave <marcovass89@hotmail.it>
parents: 166
diff changeset
145 dims(0) = ii;
3895c8d4c066 Improved assembling of the matrix.
gedeone-octave <marcovass89@hotmail.it>
parents: 166
diff changeset
146 ridx.resize (dims);
3895c8d4c066 Improved assembling of the matrix.
gedeone-octave <marcovass89@hotmail.it>
parents: 166
diff changeset
147 cidx.resize (dims);
3895c8d4c066 Improved assembling of the matrix.
gedeone-octave <marcovass89@hotmail.it>
parents: 166
diff changeset
148 data.resize (dims);
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
149
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
150 SparseMatrix sm (data, ridx, cidx, nr, nc);
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
151 retval(0) = sm;
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
152 }
116
77eefe47f7ab Maint: improve the txt message
gedeone-octave <marcovass89@hotmail.it>
parents: 108
diff changeset
153
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
154 else if (a.rank () == 1)
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
155 {
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
156 dolfin::Vector A;
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
157 dolfin::assemble (A, a);
91
51bfdf30b822 New DLD functions for assembling a matrix/vector from a bilinear/linear form
gedeone-octave <marcovass89@hotmail.it>
parents:
diff changeset
158
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
159 for (std::size_t i = 1; i < nargin; ++i)
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
160 {
172
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Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
161 if (args(i).type_id () ==
8ea37cfc7a14 some formatting improvements
Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
162 boundarycondition::static_type_id ())
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
163 {
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
164 const boundarycondition & bc
172
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Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
165 = static_cast<const boundarycondition&>
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Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
166 (args(i).get_rep ());
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
167
172
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Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
168 const std::vector<boost::shared_ptr
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Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
169 <const dolfin::DirichletBC> >
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Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
170 & pbc = bc.get_bc ();
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
171
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
172 for (std::size_t j = 0; j < pbc.size (); ++j)
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
173 pbc[j]->apply(A);
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
174 }
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
175 else
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
176 error ("assemble: unknown argument type");
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
177 }
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
178
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gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
179 dim_vector dims;
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gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
180 dims.resize (2);
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gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
181 dims(0) = A.size ();
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
182 dims(1) = 1;
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
183 Array<double> myb (dims);
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
184
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
185 for (std::size_t i = 0; i < A.size (); ++i)
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
186 myb.xelem (i) = A[i];
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gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
187
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
188 retval(0) = myb;
91
51bfdf30b822 New DLD functions for assembling a matrix/vector from a bilinear/linear form
gedeone-octave <marcovass89@hotmail.it>
parents:
diff changeset
189 }
116
77eefe47f7ab Maint: improve the txt message
gedeone-octave <marcovass89@hotmail.it>
parents: 108
diff changeset
190
108
5cbc7341ded5 Added the possibility to assemble form of rank 0.
gedeone-octave <marcovass89@hotmail.it>
parents: 97
diff changeset
191 else if (a.rank () == 0)
5cbc7341ded5 Added the possibility to assemble form of rank 0.
gedeone-octave <marcovass89@hotmail.it>
parents: 97
diff changeset
192 {
5cbc7341ded5 Added the possibility to assemble form of rank 0.
gedeone-octave <marcovass89@hotmail.it>
parents: 97
diff changeset
193 double b = dolfin::assemble (a);
5cbc7341ded5 Added the possibility to assemble form of rank 0.
gedeone-octave <marcovass89@hotmail.it>
parents: 97
diff changeset
194 retval(0) = octave_value (b);
5cbc7341ded5 Added the possibility to assemble form of rank 0.
gedeone-octave <marcovass89@hotmail.it>
parents: 97
diff changeset
195 }
91
51bfdf30b822 New DLD functions for assembling a matrix/vector from a bilinear/linear form
gedeone-octave <marcovass89@hotmail.it>
parents:
diff changeset
196
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
197 else
116
77eefe47f7ab Maint: improve the txt message
gedeone-octave <marcovass89@hotmail.it>
parents: 108
diff changeset
198 error ("assemble: unknown form size");
91
51bfdf30b822 New DLD functions for assembling a matrix/vector from a bilinear/linear form
gedeone-octave <marcovass89@hotmail.it>
parents:
diff changeset
199 }
51bfdf30b822 New DLD functions for assembling a matrix/vector from a bilinear/linear form
gedeone-octave <marcovass89@hotmail.it>
parents:
diff changeset
200 }
51bfdf30b822 New DLD functions for assembling a matrix/vector from a bilinear/linear form
gedeone-octave <marcovass89@hotmail.it>
parents:
diff changeset
201 }
51bfdf30b822 New DLD functions for assembling a matrix/vector from a bilinear/linear form
gedeone-octave <marcovass89@hotmail.it>
parents:
diff changeset
202 }
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
203 else if (nargout == 2)
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
204 {
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
205 if (nargin < 2)
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
206 print_usage ();
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
207 else
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
208 {
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
209 if (args(0).type_id () == form::static_type_id ())
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
210 {
172
8ea37cfc7a14 some formatting improvements
Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
211 const form & frm =
8ea37cfc7a14 some formatting improvements
Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
212 static_cast<const form &> (args(0).get_rep ());
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
213 const Array<double> myx = args(1).array_value ();
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
214
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
215 if (! error_state)
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
216 {
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
217 const dolfin::Form & a = frm.get_form ();
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
218 a.check ();
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
219
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
220 if (a.rank () == 1)
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
221 {
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
222 dolfin::Vector A;
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
223 dolfin::assemble (A, a);
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
224
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
225 dolfin::Vector x (myx.length ());
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
226 for (std::size_t i = 0; i < myx.length (); ++i)
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
227 x.setitem (i, myx.xelem (i));
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
228
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
229 for (std::size_t i = 2; i < nargin; ++i)
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
230 {
172
8ea37cfc7a14 some formatting improvements
Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
231 if (args(i).type_id () ==
8ea37cfc7a14 some formatting improvements
Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
232 boundarycondition::static_type_id ())
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
233 {
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
234 const boundarycondition & bc
172
8ea37cfc7a14 some formatting improvements
Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
235 = static_cast<const boundarycondition&>
8ea37cfc7a14 some formatting improvements
Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
236 (args(i).get_rep ());
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
237
172
8ea37cfc7a14 some formatting improvements
Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
238 const std::vector<boost::shared_ptr
8ea37cfc7a14 some formatting improvements
Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
239 <const dolfin::DirichletBC> >
8ea37cfc7a14 some formatting improvements
Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
240 & pbc = bc.get_bc ();
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
241
172
8ea37cfc7a14 some formatting improvements
Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
242 for (std::size_t j = 0;
8ea37cfc7a14 some formatting improvements
Carlo de Falco <cdf@users.sourceforge.net>
parents: 168
diff changeset
243 j < pbc.size (); ++j)
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
244 pbc[j]->apply(A, x);
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
245 }
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
246 else
116
77eefe47f7ab Maint: improve the txt message
gedeone-octave <marcovass89@hotmail.it>
parents: 108
diff changeset
247 error ("assemble: unknown argument type");
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
248 }
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
249
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
250 dim_vector dims;
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
251 dims.resize (2);
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
252 dims(0) = A.size ();
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
253 dims(1) = 1;
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
254 Array<double> myb (dims), myc (dims);
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
255
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
256 for (std::size_t i = 0; i < A.size (); ++i)
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
257 {
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
258 myb.xelem (i) = A[i];
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
259 myc.xelem (i) = x[i];
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
260 }
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
261
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
262 retval(0) = myb;
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
263 retval(1) = myc;
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
264 }
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
265
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
266 else
116
77eefe47f7ab Maint: improve the txt message
gedeone-octave <marcovass89@hotmail.it>
parents: 108
diff changeset
267 error ("assemble: unknown size");
97
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
268 }
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
269 }
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
270 }
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
271 }
dc9987325fea Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents: 91
diff changeset
272
91
51bfdf30b822 New DLD functions for assembling a matrix/vector from a bilinear/linear form
gedeone-octave <marcovass89@hotmail.it>
parents:
diff changeset
273 return retval;
51bfdf30b822 New DLD functions for assembling a matrix/vector from a bilinear/linear form
gedeone-octave <marcovass89@hotmail.it>
parents:
diff changeset
274 }