Mercurial > fem-fenics-eugenio
annotate src/assemble.cc @ 168:67944f307560
Remove the verbose debug output
author | gedeone-octave <marcovass89@hotmail.it> |
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date | Sun, 06 Oct 2013 22:31:48 +0100 |
parents | 3895c8d4c066 |
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1 /* |
151 | 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 |
151 | 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 #include "form.h" |
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18 #include "boundarycondition.h" |
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19 |
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20 DEFUN_DLD (assemble, args, nargout, "-*- texinfo -*-\n\ |
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21 @deftypefn {Function File} {[@var{A}], [@var{x}(Optional)]} = \ |
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22 assemble (@var{form a}, @var{DirichletBC}(Optional), @var{...}) \n\ |
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23 The input arguments are\n\ |
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24 @itemize @bullet\n\ |
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25 @item @var{form a} which is the form to assemble. It can be a form of rank 2\n\ |
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26 (bilinear), a form of rank 1 (linear) or a form of rank 0 (functional).\n\ |
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27 @item @var{DirichletBC} represents the optional BC that you wish to apply to\n\ |
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28 the system. If more than one BC has to be applied, just list them.\n\ |
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29 @end itemize \n\ |
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30 The output @var{A} is a discretized representation of the @var{form a}:\n\ |
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31 @itemize @bullet\n\ |
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32 @item @var{A} is a sparse Matrix if @var{form a} is a bilinear form\n\ |
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33 @item @var{A} is a Vector if @var{form a} is a linear form\n\ |
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34 @item @var{A} is a Double if @var{form a} is a functional\n\ |
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35 @end itemize \n\ |
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36 If you need to apply boundary condition to a vector for a nonlinear problem \n\ |
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37 then you should provide as 2nd argument the vector and you will receive it back\n\ |
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38 as the second output argument. For an example of this situation, you can look\n\ |
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39 the example HyperElasticity.m\n\ |
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40 @seealso{BilinearForm, LinearForm, ResidualForm, JacobianForm}\n\ |
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41 @end deftypefn") |
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42 { |
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43 int nargin = args.length (); |
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44 octave_value_list retval; |
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45 |
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46 if (! boundarycondition_type_loaded) |
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47 { |
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48 boundarycondition::register_type (); |
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49 boundarycondition_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 (! form_type_loaded) |
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54 { |
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55 form::register_type (); |
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56 form_type_loaded = true; |
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57 mlock (); |
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58 } |
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59 |
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60 if (nargout == 1) |
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61 { |
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62 if (nargin < 1) |
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63 print_usage (); |
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64 else |
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65 { |
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66 if (args(0).type_id () == form::static_type_id ()) |
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67 { |
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68 const form & frm = static_cast<const form&> (args(0).get_rep ()); |
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69 |
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70 if (! error_state) |
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71 { |
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72 const dolfin::Form & a = frm.get_form (); |
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73 a.check (); |
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74 |
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75 if (a.rank () == 2) |
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76 { |
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77 dolfin::parameters["linear_algebra_backend"] = "uBLAS"; |
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78 dolfin::Matrix A; |
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79 dolfin::assemble (A, a); |
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80 |
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81 for (std::size_t i = 1; i < nargin; ++i) |
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82 { |
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83 if (args(i).type_id () == boundarycondition::static_type_id ()) |
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84 { |
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85 const boundarycondition & bc |
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86 = static_cast<const boundarycondition&> (args(i).get_rep ()); |
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87 |
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88 const std::vector<boost::shared_ptr <const dolfin::DirichletBC> > & pbc |
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89 = bc.get_bc (); |
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90 |
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91 for (std::size_t j = 0; j < pbc.size (); ++j) |
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92 pbc[j]->apply(A); |
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93 } |
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94 else |
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95 error ("assemble: unknown argument type"); |
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96 } |
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97 |
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98 // It provides an upper boung for the nnz elements |
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99 boost::tuples::tuple<const std::size_t*, const std::size_t*, const double*, int> aa = A.data (); |
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100 int nnz = aa.get<3> (); |
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101 std::size_t nr = A.size (0), nc = A.size (1); |
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102 std::vector<double> data_tmp; |
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103 std::vector<std::size_t> cidx_tmp; |
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104 |
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105 dim_vector dims (nnz, 1); |
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106 octave_idx_type nz = 0, ii = 0; |
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107 Array<octave_idx_type> ridx (dims, 0), cidx (dims, 0); |
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108 Array<double> data (dims, 0); |
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109 |
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110 octave_idx_type* orow = ridx.fortran_vec (); |
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111 octave_idx_type* oc = cidx.fortran_vec (); |
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112 double* ov = data.fortran_vec (); |
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113 |
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|
114 for (std::size_t i = 0; i < nr; ++i) |
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|
115 { |
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|
116 A.getrow (i, cidx_tmp, data_tmp); |
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|
117 nz += cidx_tmp.size (); |
91
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118 |
97
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119 for (octave_idx_type j = 0; j < cidx_tmp.size (); ++j) |
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|
120 { |
167
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166
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|
121 orow [ii + j] = i; |
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122 oc [ii + j] = cidx_tmp [j]; |
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123 ov [ii + j] = data_tmp [j]; |
97
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|
124 } |
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|
125 |
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126 ii = nz; |
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127 } |
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|
128 |
167
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|
129 dims(0) = ii; |
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130 ridx.resize (dims); |
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131 cidx.resize (dims); |
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132 data.resize (dims); |
97
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133 |
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134 SparseMatrix sm (data, ridx, cidx, nr, nc); |
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135 retval(0) = sm; |
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136 } |
116
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137 |
97
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138 else if (a.rank () == 1) |
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139 { |
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140 dolfin::Vector A; |
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141 dolfin::assemble (A, a); |
91
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142 |
97
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143 for (std::size_t i = 1; i < nargin; ++i) |
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144 { |
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145 if (args(i).type_id () == boundarycondition::static_type_id ()) |
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146 { |
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147 const boundarycondition & bc |
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148 = static_cast<const boundarycondition&> (args(i).get_rep ()); |
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149 |
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150 const std::vector<boost::shared_ptr <const dolfin::DirichletBC> > & pbc |
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151 = bc.get_bc (); |
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152 |
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153 for (std::size_t j = 0; j < pbc.size (); ++j) |
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154 pbc[j]->apply(A); |
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155 } |
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156 else |
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157 error ("assemble: unknown argument type"); |
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158 } |
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159 |
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160 dim_vector dims; |
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161 dims.resize (2); |
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162 dims(0) = A.size (); |
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163 dims(1) = 1; |
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164 Array<double> myb (dims); |
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165 |
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166 for (std::size_t i = 0; i < A.size (); ++i) |
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167 myb.xelem (i) = A[i]; |
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168 |
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169 retval(0) = myb; |
91
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170 } |
116
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171 |
108
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172 else if (a.rank () == 0) |
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173 { |
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|
174 double b = dolfin::assemble (a); |
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|
175 retval(0) = octave_value (b); |
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176 } |
91
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177 |
97
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178 else |
116
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179 error ("assemble: unknown form size"); |
91
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180 } |
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181 } |
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182 } |
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New DLD functions for assembling a matrix/vector from a bilinear/linear form
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183 } |
97
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|
184 else if (nargout == 2) |
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|
185 { |
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|
186 if (nargin < 2) |
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91
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|
187 print_usage (); |
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|
188 else |
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|
189 { |
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|
190 if (args(0).type_id () == form::static_type_id ()) |
dc9987325fea
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|
191 { |
116
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192 const form & frm = static_cast<const form &> (args(0).get_rep ()); |
97
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193 const Array<double> myx = args(1).array_value (); |
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194 |
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|
195 if (! error_state) |
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|
196 { |
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|
197 const dolfin::Form & a = frm.get_form (); |
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|
198 a.check (); |
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|
199 |
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|
200 if (a.rank () == 1) |
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|
201 { |
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91
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|
202 dolfin::Vector A; |
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|
203 dolfin::assemble (A, a); |
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|
204 |
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|
205 dolfin::Vector x (myx.length ()); |
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|
206 for (std::size_t i = 0; i < myx.length (); ++i) |
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91
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|
207 x.setitem (i, myx.xelem (i)); |
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91
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|
208 |
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|
209 for (std::size_t i = 2; i < nargin; ++i) |
dc9987325fea
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91
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|
210 { |
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91
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|
211 if (args(i).type_id () == boundarycondition::static_type_id ()) |
dc9987325fea
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91
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|
212 { |
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91
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|
213 const boundarycondition & bc |
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|
214 = static_cast<const boundarycondition&> (args(i).get_rep ()); |
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|
215 |
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|
216 const std::vector<boost::shared_ptr <const dolfin::DirichletBC> > & pbc |
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|
217 = bc.get_bc (); |
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|
218 |
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|
219 for (std::size_t j = 0; j < pbc.size (); ++j) |
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|
220 pbc[j]->apply(A, x); |
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|
221 } |
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91
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|
222 else |
116
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|
223 error ("assemble: unknown argument type"); |
97
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91
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|
224 } |
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parents:
91
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|
225 |
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91
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|
226 dim_vector dims; |
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|
227 dims.resize (2); |
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|
228 dims(0) = A.size (); |
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229 dims(1) = 1; |
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91
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|
230 Array<double> myb (dims), myc (dims); |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
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231 |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
91
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232 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
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233 { |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
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234 myb.xelem (i) = A[i]; |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
91
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235 myc.xelem (i) = x[i]; |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
91
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236 } |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
91
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|
237 |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
91
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238 retval(0) = myb; |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
91
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239 retval(1) = myc; |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
91
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240 } |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
91
diff
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241 |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
91
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242 else |
116
77eefe47f7ab
Maint: improve the txt message
gedeone-octave <marcovass89@hotmail.it>
parents:
108
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243 error ("assemble: unknown size"); |
97
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
91
diff
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244 } |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
91
diff
changeset
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245 } |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
91
diff
changeset
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246 } |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
91
diff
changeset
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247 } |
dc9987325fea
Added the possibility to apply BC to a NL problem.
gedeone-octave <marcovass89@hotmail.it>
parents:
91
diff
changeset
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248 |
91
51bfdf30b822
New DLD functions for assembling a matrix/vector from a bilinear/linear form
gedeone-octave <marcovass89@hotmail.it>
parents:
diff
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249 return retval; |
51bfdf30b822
New DLD functions for assembling a matrix/vector from a bilinear/linear form
gedeone-octave <marcovass89@hotmail.it>
parents:
diff
changeset
|
250 } |