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allow empty matrix by cell (or struct) concatentation
author John W. Eaton <jwe@octave.org>
date Mon, 21 Jul 2008 16:06:57 -0400
parents a1dbe9d80eee
children 283989f2da9b cee2f0ae1dba
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1 /*
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2
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3 Copyright (C) 1996, 1997, 2002, 2003, 2004, 2005, 2007 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include "gripes.h"
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28 #include "oct-obj.h"
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29 #include "ov.h"
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30 #include "ov-cell.h"
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31 #include "ov-scalar.h"
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32 #include "ov-re-mat.h"
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33 #include "ov-typeinfo.h"
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34 #include "ops.h"
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35
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36 // cell ops.
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37
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38 DEFUNOP (transpose, cell)
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39 {
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40 CAST_UNOP_ARG (const octave_cell&);
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41
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42 if (v.ndims () > 2)
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43 {
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44 error ("transpose not defined for N-d objects");
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45 return octave_value ();
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46 }
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47 else
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48 return octave_value (Cell (v.cell_value().transpose ()));
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49 }
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50
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51 DEFCATOP_FN (c_c, cell, cell, concat)
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52
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53 static octave_value
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54 oct_catop_cell_matrix (octave_base_value& a1, const octave_base_value& a2,
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55 const Array<octave_idx_type>&)
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56 {
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57 octave_value retval;
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58 CAST_BINOP_ARGS (const octave_cell&, const octave_matrix&);
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59 NDArray tmp = v2.array_value ();
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60 dim_vector dv = tmp.dims ();
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61 if (dv.all_zero ())
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62 retval = octave_value (v1.cell_value ());
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63 else
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64 error ("invalid concatenation of cell array with matrix");
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65 return retval;
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66 }
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67
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68 static octave_value
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69 oct_catop_matrix_cell (octave_base_value& a1, const octave_base_value& a2,
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70 const Array<octave_idx_type>&)
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71 {
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72 octave_value retval;
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73 CAST_BINOP_ARGS (const octave_cell&, const octave_matrix&);
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74 NDArray tmp = v1.array_value ();
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75 dim_vector dv = tmp.dims ();
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76 if (dv.all_zero ())
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77 retval = octave_value (v2.cell_value ());
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78 else
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79 error ("invalid concatenation of cell array with matrix");
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80 return retval;
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81 }
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82
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83 DEFASSIGNANYOP_FN (assign, cell, assign);
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84
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85 void
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86 install_cell_ops (void)
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87 {
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88 INSTALL_UNOP (op_transpose, octave_cell, transpose);
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89 INSTALL_UNOP (op_hermitian, octave_cell, transpose);
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90
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91 INSTALL_CATOP (octave_cell, octave_cell, c_c);
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92
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93 INSTALL_CATOP (octave_cell, octave_matrix, cell_matrix);
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94 INSTALL_CATOP (octave_matrix, octave_cell, matrix_cell);
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95
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96 INSTALL_ASSIGNANYOP (op_asn_eq, octave_cell, assign);
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97 }
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98
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99 /*
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100 ;;; Local Variables: ***
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101 ;;; mode: C++ ***
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102 ;;; End: ***
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103 */