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sparse-xpow.cc: Return empty matrix for empty input (bug #63080)
author Arun Giridhar <arungiridhar@gmail.com>
date Mon, 19 Sep 2022 07:05:31 -0400
parents 32d2b6604a9f
children e88a07dec498
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2018-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include "defun.h"
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31 #include "interpreter.h"
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32 #include "ov.h"
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33 #include "ovl.h"
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34 #include "settings.h"
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35 #include "variables.h"
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36
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37 OCTAVE_NAMESPACE_BEGIN
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38
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39 settings::settings (void)
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40 : m_display_tokens (false), m_token_count (0),
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41 m_lexer_debug_flag (false)
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42 { }
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43
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44 octave_value settings::display_tokens (const octave_value_list& args,
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45 int nargout)
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46 {
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47 return set_internal_variable (m_display_tokens, args, nargout,
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48 "__display_tokens__");
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49 }
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50
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51 octave_value settings::lexer_debug_flag (const octave_value_list& args,
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52 int nargout)
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53 {
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54 return set_internal_variable (m_lexer_debug_flag, args, nargout,
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55 "__lexer_debug_flag__");
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56 }
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57
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58 DEFMETHOD (__display_tokens__, interp, args, nargout,
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59 doc: /* -*- texinfo -*-
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60 @deftypefn {} {@var{val} =} __display_tokens__ ()
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61 @deftypefnx {} {@var{old_val} =} __display_tokens__ (@var{new_val})
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62 @deftypefnx {} {@var{old_val} =} __display_tokens__ (@var{new_val}, "local")
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63 Query or set the internal variable that determines whether Octave's
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64 lexer displays tokens as they are read.
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65 @seealso{__lexer_debug_flag__, __token_count__}
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66 @end deftypefn */)
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67 {
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68 settings& stgs = interp.get_settings ();
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69
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70 return stgs.display_tokens (args, nargout);
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71 }
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72
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73 DEFMETHOD (__token_count__, interp, , ,
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74 doc: /* -*- texinfo -*-
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75 @deftypefn {} {@var{n} =} __token_count__ ()
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76 Return the number of language tokens processed since Octave startup.
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77 @seealso{__lexer_debug_flag__, __display_tokens__}
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78 @end deftypefn */)
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79 {
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80 settings& stgs = interp.get_settings ();
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81
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82 return octave_value (stgs.token_count ());
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83 }
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84
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85 DEFMETHOD (__lexer_debug_flag__, interp, args, nargout,
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86 doc: /* -*- texinfo -*-
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87 @deftypefn {} {@var{val} =} __lexer_debug_flag__ ()
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88 @deftypefnx {} {@var{old_val} =} __lexer_debug_flag__ (@var{new_val})
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89 Query or set the internal flag that determines whether Octave's lexer prints
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90 debug information as it processes an expression.
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91 @seealso{__display_tokens__, __token_count__, __parse_debug_flag__}
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92 @end deftypefn */)
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93 {
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94 settings& stgs = interp.get_settings ();
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95
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96 return stgs.lexer_debug_flag (args, nargout);
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97 }
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98
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99 OCTAVE_NAMESPACE_END