Mercurial > hg > octave-nkf
annotate src/DLD-FUNCTIONS/cellfun.cc @ 12949:d1db86336a49
cellfun.cc (cellfun): Small optimisation for function handles to built-ins
author | Jordi Gutiérrez Hermoso <jordigh@gmail.com> |
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date | Thu, 11 Aug 2011 02:41:36 -0500 |
parents | 61fba96cb482 |
children | 5a5cb2a4b71d |
rev | line source |
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5205 | 1 /* |
2 | |
11523 | 3 Copyright (C) 2005-2011 Mohamed Kamoun |
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4 Copyright (C) 2009 Jaroslav Hajek |
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5 Copyright (C) 2010 VZLU Prague |
5205 | 6 |
7 This file is part of Octave. | |
8 | |
9 Octave is free software; you can redistribute it and/or modify it | |
10 under the terms of the GNU General Public License as published by the | |
7016 | 11 Free Software Foundation; either version 3 of the License, or (at your |
12 option) any later version. | |
5205 | 13 |
14 Octave is distributed in the hope that it will be useful, but WITHOUT | |
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
17 for more details. | |
18 | |
19 You should have received a copy of the GNU General Public License | |
7016 | 20 along with Octave; see the file COPYING. If not, see |
21 <http://www.gnu.org/licenses/>. | |
5205 | 22 |
23 */ | |
24 | |
25 #ifdef HAVE_CONFIG_H | |
26 #include <config.h> | |
27 #endif | |
28 | |
29 #include <string> | |
5988 | 30 #include <vector> |
31 #include <list> | |
8994 | 32 #include <memory> |
5205 | 33 |
34 #include "lo-mappers.h" | |
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35 #include "oct-locbuf.h" |
5205 | 36 |
37 #include "Cell.h" | |
5988 | 38 #include "oct-map.h" |
5205 | 39 #include "defun-dld.h" |
40 #include "parse.h" | |
41 #include "variables.h" | |
5451 | 42 #include "ov-colon.h" |
5988 | 43 #include "unwind-prot.h" |
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44 #include "gripes.h" |
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45 #include "utils.h" |
5205 | 46 |
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47 #include "ov-scalar.h" |
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48 #include "ov-float.h" |
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49 #include "ov-complex.h" |
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50 #include "ov-flt-complex.h" |
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51 #include "ov-bool.h" |
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52 #include "ov-int8.h" |
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53 #include "ov-int16.h" |
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54 #include "ov-int32.h" |
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55 #include "ov-int64.h" |
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56 #include "ov-uint8.h" |
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57 #include "ov-uint16.h" |
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58 #include "ov-uint32.h" |
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59 #include "ov-uint64.h" |
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60 |
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61 static octave_value_list |
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62 get_output_list (octave_idx_type count, octave_idx_type nargout, |
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63 const octave_value_list& inputlist, |
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64 octave_value& func, |
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65 octave_value& error_handler) |
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66 { |
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67 octave_value_list tmp = func.do_multi_index_op (nargout, inputlist); |
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68 |
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69 if (error_state) |
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70 { |
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71 if (error_handler.is_defined ()) |
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72 { |
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73 octave_scalar_map msg; |
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74 msg.assign ("identifier", last_error_id ()); |
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75 msg.assign ("message", last_error_message ()); |
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76 msg.assign ("index", static_cast<double> (count + static_cast<octave_idx_type>(1))); |
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77 octave_value_list errlist = inputlist; |
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78 errlist.prepend (msg); |
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79 buffer_error_messages--; |
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80 error_state = 0; |
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81 tmp = error_handler.do_multi_index_op (nargout, errlist); |
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82 buffer_error_messages++; |
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83 |
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84 if (error_state) |
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85 tmp.clear (); |
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86 } |
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87 else |
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88 tmp.clear (); |
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89 } |
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90 |
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91 return tmp; |
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92 } |
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93 |
5988 | 94 DEFUN_DLD (cellfun, args, nargout, |
8715 | 95 "-*- texinfo -*-\n\ |
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96 @deftypefn {Loadable Function} {} cellfun (@var{name}, @var{C})\n\ |
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97 @deftypefnx {Loadable Function} {} cellfun (\"size\", @var{C}, @var{k})\n\ |
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98 @deftypefnx {Loadable Function} {} cellfun (\"isclass\", @var{C}, @var{class})\n\ |
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99 @deftypefnx {Loadable Function} {} cellfun (@var{func}, @var{C})\n\ |
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100 @deftypefnx {Loadable Function} {} cellfun (@var{func}, @var{C}, @var{D})\n\ |
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101 @deftypefnx {Loadable Function} {[@var{a}, @dots{}] =} cellfun (@dots{})\n\ |
6854 | 102 @deftypefnx {Loadable Function} {} cellfun (@dots{}, 'ErrorHandler', @var{errfunc})\n\ |
103 @deftypefnx {Loadable Function} {} cellfun (@dots{}, 'UniformOutput', @var{val})\n\ | |
5205 | 104 \n\ |
105 Evaluate the function named @var{name} on the elements of the cell array\n\ | |
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106 @var{C}. Elements in @var{C} are passed on to the named function\n\ |
5205 | 107 individually. The function @var{name} can be one of the functions\n\ |
108 \n\ | |
109 @table @code\n\ | |
110 @item isempty\n\ | |
5543 | 111 Return 1 for empty elements.\n\ |
10840 | 112 \n\ |
5205 | 113 @item islogical\n\ |
114 Return 1 for logical elements.\n\ | |
10840 | 115 \n\ |
5205 | 116 @item isreal\n\ |
117 Return 1 for real elements.\n\ | |
10840 | 118 \n\ |
5205 | 119 @item length\n\ |
120 Return a vector of the lengths of cell elements.\n\ | |
10840 | 121 \n\ |
5543 | 122 @item ndims\n\ |
5205 | 123 Return the number of dimensions of each element.\n\ |
10840 | 124 \n\ |
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125 @item numel\n\ |
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126 @itemx prodofsize\n\ |
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127 Return the number of elements contained within each cell element. The\n\ |
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128 number is the product of the dimensions of the object at each cell element.\n\ |
10840 | 129 \n\ |
5205 | 130 @item size\n\ |
131 Return the size along the @var{k}-th dimension.\n\ | |
10840 | 132 \n\ |
5205 | 133 @item isclass\n\ |
134 Return 1 for elements of @var{class}.\n\ | |
135 @end table\n\ | |
136 \n\ | |
137 Additionally, @code{cellfun} accepts an arbitrary function @var{func}\n\ | |
138 in the form of an inline function, function handle, or the name of a\n\ | |
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139 function (in a character string). In the case of a character string\n\ |
5988 | 140 argument, the function must accept a single argument named @var{x}, and\n\ |
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141 it must return a string value. The function can take one or more arguments,\n\ |
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142 with the inputs arguments given by @var{C}, @var{D}, etc. Equally the\n\ |
10840 | 143 function can return one or more output arguments. For example:\n\ |
5205 | 144 \n\ |
145 @example\n\ | |
146 @group\n\ | |
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147 cellfun (\"atan2\", @{1, 0@}, @{0, 1@})\n\ |
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148 @result{}ans = [1.57080 0.00000]\n\ |
5988 | 149 @end group\n\ |
150 @end example\n\ | |
151 \n\ | |
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152 The number of output arguments of @code{cellfun} matches the number of output\n\ |
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153 arguments of the function. The outputs of the function will be collected\n\ |
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154 into the output arguments of @code{cellfun} like this:\n\ |
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155 \n\ |
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156 @example\n\ |
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157 @group\n\ |
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158 function [a, b] = twoouts (x)\n\ |
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159 a = x;\n\ |
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160 b = x*x;\n\ |
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161 endfunction\n\ |
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162 [aa, bb] = cellfun(@@twoouts, @{1, 2, 3@})\n\ |
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163 @result{}\n\ |
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164 aa =\n\ |
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165 1 2 3\n\ |
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166 bb =\n\ |
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167 1 4 9\n\ |
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168 @end group\n\ |
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169 @end example\n\ |
10840 | 170 \n\ |
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171 Note that per default the output argument(s) are arrays of the same size as\n\ |
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172 the input arguments. Input arguments that are singleton (1x1) cells will be\n\ |
10840 | 173 automatically expanded to the size of the other arguments.\n\ |
5988 | 174 \n\ |
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175 If the parameter 'UniformOutput' is set to true (the default), then the\n\ |
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176 function must return scalars which will be concatenated into the return\n\ |
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177 array(s). If 'UniformOutput' is false, the outputs are concatenated into a\n\ |
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178 cell array (or cell arrays). For example:\n\ |
5988 | 179 \n\ |
180 @example\n\ | |
181 @group\n\ | |
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182 cellfun (\"tolower\", @{\"Foo\", \"Bar\", \"FooBar\"@},\n\ |
6623 | 183 \"UniformOutput\",false)\n\ |
5205 | 184 @result{} ans = @{\"foo\", \"bar\", \"foobar\"@}\n\ |
185 @end group\n\ | |
186 @end example\n\ | |
5988 | 187 \n\ |
188 Given the parameter 'ErrorHandler', then @var{errfunc} defines a function to\n\ | |
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189 call in case @var{func} generates an error. The form of the function is\n\ |
5988 | 190 \n\ |
191 @example\n\ | |
192 function [@dots{}] = errfunc (@var{s}, @dots{})\n\ | |
193 @end example\n\ | |
194 \n\ | |
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195 @noindent\n\ |
5988 | 196 where there is an additional input argument to @var{errfunc} relative to\n\ |
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197 @var{func}, given by @var{s}. This is a structure with the elements\n\ |
5988 | 198 'identifier', 'message' and 'index', giving respectively the error\n\ |
199 identifier, the error message, and the index into the input arguments\n\ | |
10840 | 200 of the element that caused the error. For example:\n\ |
5988 | 201 \n\ |
202 @example\n\ | |
203 @group\n\ | |
204 function y = foo (s, x), y = NaN; endfunction\n\ | |
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205 cellfun (\"factorial\", @{-1,2@}, 'ErrorHandler', @@foo)\n\ |
5988 | 206 @result{} ans = [NaN 2]\n\ |
207 @end group\n\ | |
208 @end example\n\ | |
209 \n\ | |
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210 @seealso{arrayfun, structfun, spfun}\n\ |
5642 | 211 @end deftypefn") |
5205 | 212 { |
5988 | 213 octave_value_list retval; |
5205 | 214 int nargin = args.length (); |
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215 int nargout1 = (nargout < 1 ? 1 : nargout); |
5205 | 216 |
217 if (nargin < 2) | |
218 { | |
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219 error ("cellfun: function requires at least 2 arguments"); |
5823 | 220 print_usage (); |
5205 | 221 return retval; |
222 } | |
223 | |
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224 octave_value func = args(0); |
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225 bool symbol_table_lookup = false; |
5205 | 226 |
227 if (! args(1).is_cell ()) | |
228 { | |
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229 error ("cellfun: C must be a cell array"); |
5205 | 230 |
231 return retval; | |
232 } | |
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233 |
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234 if (func.is_string ()) |
5205 | 235 { |
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236 const Cell f_args = args(1).cell_value (); |
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237 |
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238 octave_idx_type k = f_args.numel (); |
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239 |
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240 std::string name = func.string_value (); |
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241 |
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242 if (name == "isempty") |
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243 { |
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244 boolNDArray result (f_args.dims ()); |
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245 for (octave_idx_type count = 0; count < k ; count++) |
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246 result(count) = f_args.elem(count).is_empty (); |
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247 retval(0) = result; |
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248 } |
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249 else if (name == "islogical") |
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250 { |
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251 boolNDArray result (f_args.dims ()); |
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252 for (octave_idx_type count= 0; count < k ; count++) |
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253 result(count) = f_args.elem(count).is_bool_type (); |
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254 retval(0) = result; |
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255 } |
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256 else if (name == "isreal") |
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257 { |
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258 boolNDArray result (f_args.dims ()); |
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259 for (octave_idx_type count= 0; count < k ; count++) |
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260 result(count) = f_args.elem(count).is_real_type (); |
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261 retval(0) = result; |
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262 } |
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263 else if (name == "length") |
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264 { |
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265 NDArray result (f_args.dims ()); |
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266 for (octave_idx_type count= 0; count < k ; count++) |
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267 result(count) = static_cast<double> (f_args.elem(count).length ()); |
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268 retval(0) = result; |
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269 } |
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270 else if (name == "ndims") |
5205 | 271 { |
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272 NDArray result (f_args.dims ()); |
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273 for (octave_idx_type count = 0; count < k ; count++) |
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274 result(count) = static_cast<double> (f_args.elem(count).ndims ()); |
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275 retval(0) = result; |
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276 } |
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277 else if (name == "prodofsize" || name == "numel") |
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278 { |
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279 NDArray result (f_args.dims ()); |
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280 for (octave_idx_type count = 0; count < k ; count++) |
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281 result(count) = static_cast<double> (f_args.elem(count).numel ()); |
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282 retval(0) = result; |
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283 } |
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284 else if (name == "size") |
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285 { |
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286 if (nargin == 3) |
5205 | 287 { |
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288 int d = args(2).nint_value () - 1; |
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289 |
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290 if (d < 0) |
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291 error ("cellfun: K must be a positive integer"); |
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292 |
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293 if (! error_state) |
5205 | 294 { |
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295 NDArray result (f_args.dims ()); |
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296 for (octave_idx_type count = 0; count < k ; count++) |
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297 { |
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298 dim_vector dv = f_args.elem(count).dims (); |
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299 if (d < dv.length ()) |
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300 result(count) = static_cast<double> (dv(d)); |
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301 else |
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302 result(count) = 1.0; |
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303 } |
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304 retval(0) = result; |
5205 | 305 } |
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306 } |
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307 else |
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308 error ("cellfun: not enough arguments for \"size\""); |
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309 } |
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310 else if (name == "isclass") |
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311 { |
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312 if (nargin == 3) |
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313 { |
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314 std::string class_name = args(2).string_value(); |
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315 boolNDArray result (f_args.dims ()); |
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316 for (octave_idx_type count = 0; count < k ; count++) |
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317 result(count) = (f_args.elem(count).class_name() == class_name); |
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318 |
5988 | 319 retval(0) = result; |
5205 | 320 } |
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321 else |
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322 error ("cellfun: not enough arguments for \"isclass\""); |
5205 | 323 } |
324 else | |
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325 { |
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326 if (! valid_identifier (name)) |
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327 { |
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328 |
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329 std::string fcn_name = unique_symbol_name ("__cellfun_fcn_"); |
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330 std::string fname = "function y = "; |
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331 fname.append (fcn_name); |
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332 fname.append ("(x) y = "); |
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333 octave_function *ptr_func = extract_function (args(0), "cellfun", |
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334 fcn_name, fname, "; endfunction"); |
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335 if (ptr_func && ! error_state) |
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336 func = octave_value (ptr_func, true); |
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337 } |
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338 else |
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339 { |
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340 func = symbol_table::find_function (name); |
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341 if (func.is_undefined ()) |
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342 error ("cellfun: invalid function NAME: %s", name.c_str ()); |
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343 |
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344 symbol_table_lookup = true; |
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345 } |
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346 } |
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348 |
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349 if (error_state || ! retval.empty ()) |
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350 return retval; |
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351 |
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352 if (func.is_function_handle () || func.is_inline_function () |
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353 || func.is_function ()) |
5205 | 354 { |
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355 |
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356 // The following is an optimisation because the symbol table can |
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357 // give a more specific function class, so this can result in |
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358 // fewer polymorphic function calls as the function gets called |
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359 // for each value of the array. |
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360 if (! symbol_table_lookup ) |
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361 { |
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362 octave_value f = symbol_table::find_function ( func.function_value () |
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363 -> name ()); |
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364 if (f.is_defined ()) |
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365 func = f; |
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366 } |
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367 |
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368 unwind_protect frame; |
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369 frame.protect_var (buffer_error_messages); |
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371 bool uniform_output = true; |
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372 octave_value error_handler; |
5205 | 373 |
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374 while (nargin > 3 && args(nargin-2).is_string()) |
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375 { |
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376 std::string arg = args(nargin-2).string_value(); |
5205 | 377 |
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378 std::transform (arg.begin (), arg.end (), |
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379 arg.begin (), tolower); |
5205 | 380 |
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381 if (arg == "uniformoutput") |
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382 uniform_output = args(nargin-1).bool_value(); |
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383 else if (arg == "errorhandler") |
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384 { |
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385 if (args(nargin-1).is_function_handle () || |
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386 args(nargin-1).is_inline_function ()) |
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387 { |
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388 error_handler = args(nargin-1); |
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389 } |
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390 else if (args(nargin-1).is_string ()) |
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391 { |
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392 std::string err_name = args(nargin-1).string_value (); |
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393 error_handler = symbol_table::find_function (err_name); |
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394 if (error_handler.is_undefined ()) |
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395 { |
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396 error ("cellfun: invalid function NAME: %s", err_name.c_str ()); |
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397 break; |
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398 } |
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399 } |
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400 else |
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401 { |
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402 error ("cellfun: invalid value for 'ErrorHandler' function"); |
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403 break; |
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404 } |
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405 } |
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406 else |
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407 { |
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408 error ("cellfun: unrecognized parameter %s", |
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409 arg.c_str()); |
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410 break; |
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411 } |
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412 |
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413 nargin -= 2; |
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414 } |
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415 |
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416 nargin -= 1; |
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417 |
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418 octave_value_list inputlist (nargin, octave_value ()); |
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419 |
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420 OCTAVE_LOCAL_BUFFER (Cell, inputs, nargin); |
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421 OCTAVE_LOCAL_BUFFER (bool, mask, nargin); |
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422 |
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423 // This is to prevent copy-on-write. |
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424 const Cell *cinputs = inputs; |
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425 |
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426 octave_idx_type k = 1; |
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427 |
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428 dim_vector fdims (1, 1); |
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429 |
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430 if (error_state) |
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431 return octave_value_list (); |
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432 |
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433 for (int j = 0; j < nargin; j++) |
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434 { |
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435 if (! args(j+1).is_cell ()) |
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436 { |
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|
437 error ("cellfun: arguments must be cells"); |
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438 return octave_value_list (); |
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439 } |
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|
440 |
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441 inputs[j] = args(j+1).cell_value (); |
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442 mask[j] = inputs[j].numel () != 1; |
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443 if (! mask[j]) |
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444 inputlist(j) = cinputs[j](0); |
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445 } |
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446 |
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447 for (int j = 0; j < nargin; j++) |
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448 { |
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|
449 if (mask[j]) |
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450 { |
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|
451 fdims = inputs[j].dims (); |
9683 | 452 k = inputs[j].numel (); |
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453 for (int i = j+1; i < nargin; i++) |
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454 { |
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455 if (mask[i] && inputs[i].dims () != fdims) |
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|
456 { |
11590
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|
457 error ("cellfun: dimensions mismatch"); |
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458 return octave_value_list (); |
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|
459 } |
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460 } |
9683 | 461 break; |
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462 } |
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463 } |
5988 | 464 |
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465 if (error_handler.is_defined ()) |
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466 buffer_error_messages++; |
5988 | 467 |
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|
468 if (uniform_output) |
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469 { |
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|
470 std::list<octave_value_list> idx_list (1); |
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471 idx_list.front ().resize (1); |
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472 std::string idx_type = "("; |
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473 |
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|
474 OCTAVE_LOCAL_BUFFER (octave_value, retv, nargout1); |
5988 | 475 |
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diff
changeset
|
476 for (octave_idx_type count = 0; count < k ; count++) |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
477 { |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
478 for (int j = 0; j < nargin; j++) |
9465
40de4692c860
auto-expanding scalar cells in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9459
diff
changeset
|
479 { |
40de4692c860
auto-expanding scalar cells in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9459
diff
changeset
|
480 if (mask[j]) |
10181
a668fbd32e34
improve cellfun & avoid undefined values from builtins
Jaroslav Hajek <highegg@gmail.com>
parents:
10155
diff
changeset
|
481 inputlist.xelem (j) = cinputs[j](count); |
9465
40de4692c860
auto-expanding scalar cells in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9459
diff
changeset
|
482 } |
5988 | 483 |
10181
a668fbd32e34
improve cellfun & avoid undefined values from builtins
Jaroslav Hajek <highegg@gmail.com>
parents:
10155
diff
changeset
|
484 const octave_value_list tmp = get_output_list (count, nargout, inputlist, |
a668fbd32e34
improve cellfun & avoid undefined values from builtins
Jaroslav Hajek <highegg@gmail.com>
parents:
10155
diff
changeset
|
485 func, error_handler); |
5988 | 486 |
9459
cb0b21f34abc
avoid double error messages in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
487 if (error_state) |
10181
a668fbd32e34
improve cellfun & avoid undefined values from builtins
Jaroslav Hajek <highegg@gmail.com>
parents:
10155
diff
changeset
|
488 return retval; |
9459
cb0b21f34abc
avoid double error messages in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
489 |
9988
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
490 if (tmp.length () < nargout1) |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
491 { |
9988
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
492 if (tmp.length () < nargout) |
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
493 { |
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
494 error ("cellfun: too many output arguments"); |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
10044
diff
changeset
|
495 return octave_value_list (); |
9988
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
496 } |
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
497 else |
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
498 nargout1 = 0; |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
499 } |
5988 | 500 |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
501 if (count == 0) |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
502 { |
9988
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
503 for (int j = 0; j < nargout1; j++) |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
504 { |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
505 octave_value val = tmp(j); |
5988 | 506 |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
507 if (val.numel () == 1) |
10670
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
508 retv[j] = val.resize (fdims); |
9450
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implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
509 else |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
510 { |
11553
01f703952eff
Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
511 error ("cellfun: all values must be scalars when UniformOutput = true"); |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
512 break; |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
513 } |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
514 } |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
515 } |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
516 else |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
517 { |
9988
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
518 for (int j = 0; j < nargout1; j++) |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
519 { |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
520 octave_value val = tmp(j); |
5989 | 521 |
10670
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
522 if (! retv[j].fast_elem_insert (count, val)) |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
523 { |
10670
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
524 if (val.numel () == 1) |
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
525 { |
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
526 idx_list.front ()(0) = count + 1.0; |
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
527 retv[j].assign (octave_value::op_asn_eq, |
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
528 idx_type, idx_list, val); |
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
529 |
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
530 if (error_state) |
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
531 break; |
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
532 } |
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
533 else |
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
534 { |
11553
01f703952eff
Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
535 error ("cellfun: all values must be scalars when UniformOutput = true"); |
10670
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
536 break; |
654fbde5dceb
make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
537 } |
8994 | 538 } |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
539 } |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
540 } |
5988 | 541 |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
542 if (error_state) |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
543 break; |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
544 } |
8994 | 545 |
9988
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
546 retval.resize (nargout1); |
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
547 for (int j = 0; j < nargout1; j++) |
11457 | 548 { |
549 if (nargout > 0 && retv[j].is_undefined ()) | |
550 retval(j) = NDArray (fdims); | |
551 else | |
552 retval(j) = retv[j]; | |
553 } | |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
554 } |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
555 else |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
556 { |
9988
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
557 OCTAVE_LOCAL_BUFFER (Cell, results, nargout1); |
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
558 for (int j = 0; j < nargout1; j++) |
9465
40de4692c860
auto-expanding scalar cells in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9459
diff
changeset
|
559 results[j].resize (fdims); |
5988 | 560 |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
561 for (octave_idx_type count = 0; count < k ; count++) |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
562 { |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
563 for (int j = 0; j < nargin; j++) |
9465
40de4692c860
auto-expanding scalar cells in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9459
diff
changeset
|
564 { |
40de4692c860
auto-expanding scalar cells in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9459
diff
changeset
|
565 if (mask[j]) |
10181
a668fbd32e34
improve cellfun & avoid undefined values from builtins
Jaroslav Hajek <highegg@gmail.com>
parents:
10155
diff
changeset
|
566 inputlist.xelem (j) = cinputs[j](count); |
9465
40de4692c860
auto-expanding scalar cells in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9459
diff
changeset
|
567 } |
5988 | 568 |
10181
a668fbd32e34
improve cellfun & avoid undefined values from builtins
Jaroslav Hajek <highegg@gmail.com>
parents:
10155
diff
changeset
|
569 const octave_value_list tmp = get_output_list (count, nargout, inputlist, |
a668fbd32e34
improve cellfun & avoid undefined values from builtins
Jaroslav Hajek <highegg@gmail.com>
parents:
10155
diff
changeset
|
570 func, error_handler); |
5988 | 571 |
9459
cb0b21f34abc
avoid double error messages in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
572 if (error_state) |
10181
a668fbd32e34
improve cellfun & avoid undefined values from builtins
Jaroslav Hajek <highegg@gmail.com>
parents:
10155
diff
changeset
|
573 return retval; |
9459
cb0b21f34abc
avoid double error messages in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
574 |
9988
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
575 if (tmp.length () < nargout1) |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
576 { |
9988
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
577 if (tmp.length () < nargout) |
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
578 { |
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
579 error ("cellfun: too many output arguments"); |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
10044
diff
changeset
|
580 return octave_value_list (); |
9988
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
581 } |
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
582 else |
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
583 nargout1 = 0; |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
584 } |
5988 | 585 |
586 | |
9988
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
587 for (int j = 0; j < nargout1; j++) |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
588 results[j](count) = tmp(j); |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
589 } |
5988 | 590 |
9988
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
591 retval.resize(nargout1); |
76cf4aec34e9
allow functions returning no value in cellfun
Jaroslav Hajek <highegg@gmail.com>
parents:
9740
diff
changeset
|
592 for (int j = 0; j < nargout1; j++) |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
593 retval(j) = results[j]; |
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
594 } |
5205 | 595 } |
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
596 else |
11553
01f703952eff
Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
597 error ("cellfun: argument NAME must be a string or function handle"); |
5205 | 598 |
599 return retval; | |
600 } | |
601 | |
5988 | 602 /* |
603 | |
11457 | 604 %!test |
605 %! [a,b] = cellfun (@(x) x, cell (2, 0)); | |
606 %! assert (a, zeros (2, 0)); | |
607 %! assert (b, zeros (2, 0)); | |
608 | |
609 %!test | |
610 %! [a,b] = cellfun (@(x) x, cell (2, 0), "uniformoutput", false); | |
611 %! assert (a, cell (2, 0)); | |
612 %! assert (b, cell (2, 0)); | |
613 | |
8373
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
614 %% Test function to check the "Errorhandler" option |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
615 %!function [z] = cellfunerror (S, varargin) |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
616 %! z = S; |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
617 %! endfunction |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
618 |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
619 %% First input argument can be a string, an inline function, |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
620 %% a function_handle or an anonymous function |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
621 %!test |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
622 %! A = cellfun ("islogical", {true, 0.1, false, i*2}); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
623 %! assert (A, [true, false, true, false]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
624 %!test |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
625 %! A = cellfun (inline ("islogical (x)", "x"), {true, 0.1, false, i*2}); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
626 %! assert (A, [true, false, true, false]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
627 %!test |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
628 %! A = cellfun (@islogical, {true, 0.1, false, i*2}); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
629 %! assert (A, [true, false, true, false]); |
63fe023d7898
Added more tests for cellfun.
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|
630 %!test |
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631 %! A = cellfun (@(x) islogical(x), {true, 0.1, false, i*2}); |
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632 %! assert (A, [true, false, true, false]); |
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|
633 |
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|
634 %% First input argument can be the special string "isreal", |
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|
635 %% "isempty", "islogical", "length", "ndims" or "prodofsize" |
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|
636 %!test |
10291
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make isreal matlab compatible
Jaroslav Hajek <highegg@gmail.com>
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|
637 %! A = cellfun ("isreal", {true, 0.1, {}, i*2, [], "abc"}); |
fc879f361bda
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Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
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|
638 %! assert (A, [true, true, false, false, true, true]); |
8373
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|
639 %!test |
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changeset
|
640 %! A = cellfun ("isempty", {true, 0.1, false, i*2, [], "abc"}); |
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|
641 %! assert (A, [false, false, false, false, true, false]); |
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|
642 %!test |
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|
643 %! A = cellfun ("islogical", {true, 0.1, false, i*2, [], "abc"}); |
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|
644 %! assert (A, [true, false, true, false, false, false]); |
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|
645 %!test |
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|
646 %! A = cellfun ("length", {true, 0.1, false, i*2, [], "abc"}); |
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parents:
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|
647 %! assert (A, [1, 1, 1, 1, 0, 3]); |
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|
648 %!test |
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|
649 %! A = cellfun ("ndims", {[1, 2; 3, 4]; (cell (1,2,3,4))}); |
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|
650 %! assert (A, [2; 4]); |
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Added more tests for cellfun.
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|
651 %!test |
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|
652 %! A = cellfun ("prodofsize", {[1, 2; 3, 4], (cell (1,2,3,4))}); |
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|
653 %! assert (A, [4, 24]); |
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Added more tests for cellfun.
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|
654 |
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parents:
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|
655 %% Number of input and output arguments may not be limited to one |
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|
656 %!test |
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|
657 %! A = cellfun (@(x,y,z) x + y + z, {1, 1, 1}, {2, 2, 2}, {3, 4, 5}); |
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Added more tests for cellfun.
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|
658 %! assert (A, [6, 7, 8]); |
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Added more tests for cellfun.
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|
659 %!test |
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|
660 %! A = cellfun (@(x,y,z) x + y + z, {1, 1, 1}, {2, 2, 2}, {3, 4, 5}, \ |
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|
661 %! "UniformOutput", false); |
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|
662 %! assert (A, {6, 7, 8}); |
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|
663 %!test %% Two input arguments of different types |
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|
664 %! A = cellfun (@(x,y) islogical (x) && ischar (y), {false, true}, {"a", 3}); |
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|
665 %! assert (A, [true, false]); |
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|
666 %!test %% Pass another variable to the anonymous function |
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|
667 %! y = true; A = cellfun (@(x) islogical (x) && y, {false, 0.3}); |
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|
668 %! assert (A, [true, false]); |
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|
669 %!test %% Three ouptut arguments of different type |
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|
670 %! [A, B, C] = cellfun (@find, {10, 11; 0, 12}, "UniformOutput", false); |
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|
671 %! assert (isequal (A, {true, true; [], true})); |
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|
672 %! assert (isequal (B, {true, true; [], true})); |
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|
673 %! assert (isequal (C, {10, 11; [], 12})); |
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Added more tests for cellfun.
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|
674 |
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|
675 %% Input arguments can be of type cell array of logical |
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|
676 %!test |
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|
677 %! A = cellfun (@(x,y) x == y, {false, true}, {true, true}); |
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|
678 %! assert (A, [false, true]); |
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|
679 %!test |
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|
680 %! A = cellfun (@(x,y) x == y, {false; true}, {true; true}, \ |
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|
681 %! "UniformOutput", true); |
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|
682 %! assert (A, [false; true]); |
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Added more tests for cellfun.
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|
683 %!test |
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|
684 %! A = cellfun (@(x) x, {false, true; false, true}, "UniformOutput", false); |
63fe023d7898
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|
685 %! assert (A, {false, true; false, true}); |
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|
686 %!test %% Three ouptut arguments of same type |
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|
687 %! [A, B, C] = cellfun (@find, {true, false; false, true}, \ |
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|
688 %! "UniformOutput", false); |
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|
689 %! assert (isequal (A, {true, []; [], true})); |
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|
690 %! assert (isequal (B, {true, []; [], true})); |
63fe023d7898
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|
691 %! assert (isequal (C, {true, []; [], true})); |
63fe023d7898
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|
692 %!test |
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|
693 %! A = cellfun (@(x,y) cell2str (x,y), {true}, {true}, \ |
63fe023d7898
Added more tests for cellfun.
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|
694 %! "ErrorHandler", @cellfunerror); |
63fe023d7898
Added more tests for cellfun.
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|
695 %! assert (isfield (A, "identifier"), true); |
63fe023d7898
Added more tests for cellfun.
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|
696 %! assert (isfield (A, "message"), true); |
63fe023d7898
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changeset
|
697 %! assert (isfield (A, "index"), true); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
698 %! assert (isempty (A.message), false); |
63fe023d7898
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changeset
|
699 %! assert (A.index, 1); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
700 %!test %% Overwriting setting of "UniformOutput" true |
63fe023d7898
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|
701 %! A = cellfun (@(x,y) cell2str (x,y), {true}, {true}, \ |
63fe023d7898
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changeset
|
702 %! "UniformOutput", true, "ErrorHandler", @cellfunerror); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
703 %! assert (isfield (A, "identifier"), true); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
704 %! assert (isfield (A, "message"), true); |
63fe023d7898
Added more tests for cellfun.
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diff
changeset
|
705 %! assert (isfield (A, "index"), true); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
706 %! assert (isempty (A.message), false); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
707 %! assert (A.index, 1); |
63fe023d7898
Added more tests for cellfun.
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diff
changeset
|
708 |
63fe023d7898
Added more tests for cellfun.
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diff
changeset
|
709 %% Input arguments can be of type cell array of numeric |
63fe023d7898
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|
710 %!test |
9622 | 711 %! A = cellfun (@(x,y) x>y, {1.1, 4.2}, {3.1, 2+3*i}); |
8373
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|
712 %! assert (A, [false, true]); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
713 %!test |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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changeset
|
714 %! A = cellfun (@(x,y) x>y, {1.1, 4.2; 2, 4}, {3.1, 2; 2, 4+2*i}, \ |
63fe023d7898
Added more tests for cellfun.
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changeset
|
715 %! "UniformOutput", true); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
716 %! assert (A, [false, true; false, false]); |
63fe023d7898
Added more tests for cellfun.
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diff
changeset
|
717 %!test |
63fe023d7898
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changeset
|
718 %! A = cellfun (@(x,y) x:y, {1.1, 4}, {3.1, 6}, "UniformOutput", false); |
63fe023d7898
Added more tests for cellfun.
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|
719 %! assert (isequal (A{1}, [1.1, 2.1, 3.1])); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
720 %! assert (isequal (A{2}, [4, 5, 6])); |
63fe023d7898
Added more tests for cellfun.
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diff
changeset
|
721 %!test %% Three ouptut arguments of different type |
63fe023d7898
Added more tests for cellfun.
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changeset
|
722 %! [A, B, C] = cellfun (@find, {10, 11; 0, 12}, "UniformOutput", false); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
723 %! assert (isequal (A, {true, true; [], true})); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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changeset
|
724 %! assert (isequal (B, {true, true; [], true})); |
63fe023d7898
Added more tests for cellfun.
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parents:
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changeset
|
725 %! assert (isequal (C, {10, 11; [], 12})); |
63fe023d7898
Added more tests for cellfun.
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diff
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|
726 %!test |
63fe023d7898
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changeset
|
727 %! A = cellfun (@(x,y) cell2str(x,y), {1.1, 4}, {3.1, 6}, \ |
63fe023d7898
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changeset
|
728 %! "ErrorHandler", @cellfunerror); |
63fe023d7898
Added more tests for cellfun.
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parents:
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changeset
|
729 %! B = isfield (A(1), "message") && isfield (A(1), "index"); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
730 %! assert ([(isfield (A(1), "identifier")), (isfield (A(2), "identifier"))], [true, true]); |
63fe023d7898
Added more tests for cellfun.
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|
731 %! assert ([(isfield (A(1), "message")), (isfield (A(2), "message"))], [true, true]); |
63fe023d7898
Added more tests for cellfun.
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diff
changeset
|
732 %! assert ([(isfield (A(1), "index")), (isfield (A(2), "index"))], [true, true]); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
733 %! assert ([(isempty (A(1).message)), (isempty (A(2).message))], [false, false]); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
734 %! assert ([A(1).index, A(2).index], [1, 2]); |
63fe023d7898
Added more tests for cellfun.
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diff
changeset
|
735 %!test %% Overwriting setting of "UniformOutput" true |
63fe023d7898
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changeset
|
736 %! A = cellfun (@(x,y) cell2str(x,y), {1.1, 4}, {3.1, 6}, \ |
63fe023d7898
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changeset
|
737 %! "UniformOutput", true, "ErrorHandler", @cellfunerror); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
738 %! B = isfield (A(1), "message") && isfield (A(1), "index"); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
739 %! assert ([(isfield (A(1), "identifier")), (isfield (A(2), "identifier"))], [true, true]); |
63fe023d7898
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parents:
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diff
changeset
|
740 %! assert ([(isfield (A(1), "message")), (isfield (A(2), "message"))], [true, true]); |
63fe023d7898
Added more tests for cellfun.
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diff
changeset
|
741 %! assert ([(isfield (A(1), "index")), (isfield (A(2), "index"))], [true, true]); |
63fe023d7898
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parents:
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diff
changeset
|
742 %! assert ([(isempty (A(1).message)), (isempty (A(2).message))], [false, false]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
743 %! assert ([A(1).index, A(2).index], [1, 2]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
744 |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
745 %% Input arguments can be of type cell arrays of character or strings |
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Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
746 %!error %% "UniformOutput" false should be used |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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|
747 %! A = cellfun (@(x,y) x>y, {"ad", "c", "ghi"}, {"cc", "d", "fgh"}); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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diff
changeset
|
748 %!test |
63fe023d7898
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Thomas Treichl <Thomas.Treichl@gmx.net>
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diff
changeset
|
749 %! A = cellfun (@(x,y) x>y, {"a"; "f"}, {"c"; "d"}, "UniformOutput", true); |
63fe023d7898
Added more tests for cellfun.
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|
750 %! assert (A, [false; true]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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diff
changeset
|
751 %!test |
63fe023d7898
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Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
752 %! A = cellfun (@(x,y) x:y, {"a", "d"}, {"c", "f"}, "UniformOutput", false); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
753 %! assert (A, {"abc", "def"}); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
754 %!test |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
755 %! A = cellfun (@(x,y) cell2str(x,y), {"a", "d"}, {"c", "f"}, \ |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
756 %! "ErrorHandler", @cellfunerror); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
757 %! assert ([(isfield (A(1), "identifier")), (isfield (A(2), "identifier"))], [true, true]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
758 %! assert ([(isfield (A(1), "message")), (isfield (A(2), "message"))], [true, true]); |
63fe023d7898
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Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
759 %! assert ([(isfield (A(1), "index")), (isfield (A(2), "index"))], [true, true]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
760 %! assert ([(isempty (A(1).message)), (isempty (A(2).message))], [false, false]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
761 %! assert ([A(1).index, A(2).index], [1, 2]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
762 %!test %% Overwriting setting of "UniformOutput" true |
63fe023d7898
Added more tests for cellfun.
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changeset
|
763 %! A = cellfun (@(x,y) cell2str(x,y), {"a", "d"}, {"c", "f"}, \ |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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diff
changeset
|
764 %! "UniformOutput", true, "ErrorHandler", @cellfunerror); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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changeset
|
765 %! assert ([(isfield (A(1), "identifier")), (isfield (A(2), "identifier"))], [true, true]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
766 %! assert ([(isfield (A(1), "message")), (isfield (A(2), "message"))], [true, true]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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|
767 %! assert ([(isfield (A(1), "index")), (isfield (A(2), "index"))], [true, true]); |
63fe023d7898
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parents:
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diff
changeset
|
768 %! assert ([(isempty (A(1).message)), (isempty (A(2).message))], [false, false]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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changeset
|
769 %! assert ([A(1).index, A(2).index], [1, 2]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
770 |
63fe023d7898
Added more tests for cellfun.
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diff
changeset
|
771 %% Structures cannot be handled by cellfun |
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Thomas Treichl <Thomas.Treichl@gmx.net>
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diff
changeset
|
772 %!error |
63fe023d7898
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Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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changeset
|
773 %! vst1.a = 1.1; vst1.b = 4.2; vst2.a = 3.1; vst2.b = 2; |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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|
774 %! A = cellfun (@(x,y) (x.a < y.a) && (x.b > y.b), vst1, vst2); |
63fe023d7898
Added more tests for cellfun.
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parents:
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diff
changeset
|
775 |
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parents:
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diff
changeset
|
776 %% Input arguments can be of type cell array of cell arrays |
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Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
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|
777 %!test |
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Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
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|
778 %! A = cellfun (@(x,y) x{1} < y{1}, {{1.1}, {4.2}}, {{3.1}, {2}}); |
63fe023d7898
Added more tests for cellfun.
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parents:
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diff
changeset
|
779 %! assert (A, [1, 0], 1e-16); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
780 %!test |
63fe023d7898
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Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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changeset
|
781 %! A = cellfun (@(x,y) x{1} < y{1}, {{1.1}; {4.2}}, {{3.1}; {2}}, \ |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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diff
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|
782 %! "UniformOutput", true); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
783 %! assert (A, [1; 0], 1e-16); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
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|
784 %!test |
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Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
785 %! A = cellfun (@(x,y) x{1} < y{1}, {{1.1}, {4.2}}, {{3.1}, {2}}, \ |
63fe023d7898
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Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
786 %! "UniformOutput", false); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
787 %! assert (A, {true, false}); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
788 %!test |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
789 %! A = cellfun (@(x,y) mat2str(x,y), {{1.1}, {4.2}}, {{3.1}, {2}}, \ |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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diff
changeset
|
790 %! "ErrorHandler", @cellfunerror); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
791 %! assert ([(isfield (A(1), "identifier")), (isfield (A(2), "identifier"))], [true, true]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
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|
792 %! assert ([(isfield (A(1), "message")), (isfield (A(2), "message"))], [true, true]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
793 %! assert ([(isfield (A(1), "index")), (isfield (A(2), "index"))], [true, true]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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diff
changeset
|
794 %! assert ([(isempty (A(1).message)), (isempty (A(2).message))], [false, false]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
795 %! assert ([A(1).index, A(2).index], [1, 2]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
796 %!test %% Overwriting setting of "UniformOutput" true |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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8347
diff
changeset
|
797 %! A = cellfun (@(x,y) mat2str(x,y), {{1.1}, {4.2}}, {{3.1}, {2}}, \ |
63fe023d7898
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Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
798 %! "UniformOutput", true, "ErrorHandler", @cellfunerror); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
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|
799 %! assert ([(isfield (A(1), "identifier")), (isfield (A(2), "identifier"))], [true, true]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
800 %! assert ([(isfield (A(1), "message")), (isfield (A(2), "message"))], [true, true]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
801 %! assert ([(isfield (A(1), "index")), (isfield (A(2), "index"))], [true, true]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
802 %! assert ([(isempty (A(1).message)), (isempty (A(2).message))], [false, false]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
803 %! assert ([A(1).index, A(2).index], [1, 2]); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
804 |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
805 %% Input arguments can be of type cell array of structure arrays |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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8347
diff
changeset
|
806 %!test |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
807 %! a = struct ("a", 1, "b", 2); b = struct ("a", 1, "b", 3); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
808 %! A = cellfun (@(x,y) (x.a == y.a) && (x.b < y.b), {a}, {b}); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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diff
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|
809 %! assert (A, true); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
810 %!test |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
811 %! a = struct ("a", 1, "b", 2); b = struct ("a", 1, "b", 3); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
812 %! A = cellfun (@(x,y) (x.a == y.a) && (x.b < y.b) , {a}, {b}, \ |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
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|
813 %! "UniformOutput", true); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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diff
changeset
|
814 %! assert (A, true); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
815 %!test |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
changeset
|
816 %! a = struct ("a", 1, "b", 2); b = struct ("a", 1, "b", 3); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
8347
diff
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|
817 %! A = cellfun (@(x,y) (x.a == y.a) && (x.b < y.b) , {a}, {b}, \ |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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diff
changeset
|
818 %! "UniformOutput", false); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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diff
changeset
|
819 %! assert (A, {true}); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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diff
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|
820 %!test |
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Thomas Treichl <Thomas.Treichl@gmx.net>
parents:
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diff
changeset
|
821 %! a = struct ("a", 1, "b", 2); b = struct ("a", 1, "b", 3); |
63fe023d7898
Added more tests for cellfun.
Thomas Treichl <Thomas.Treichl@gmx.net>
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|
822 %! A = cellfun (@(x,y) cell2str (x.a, y.a), {a}, {b}, \ |
63fe023d7898
Added more tests for cellfun.
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|
823 %! "ErrorHandler", @cellfunerror); |
63fe023d7898
Added more tests for cellfun.
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|
824 %! assert (isfield (A, "identifier"), true); |
63fe023d7898
Added more tests for cellfun.
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parents:
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diff
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|
825 %! assert (isfield (A, "message"), true); |
63fe023d7898
Added more tests for cellfun.
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parents:
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diff
changeset
|
826 %! assert (isfield (A, "index"), true); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
827 %! assert (isempty (A.message), false); |
63fe023d7898
Added more tests for cellfun.
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|
828 %! assert (A.index, 1); |
63fe023d7898
Added more tests for cellfun.
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diff
changeset
|
829 %!test %% Overwriting setting of "UniformOutput" true |
63fe023d7898
Added more tests for cellfun.
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changeset
|
830 %! a = struct ("a", 1, "b", 2); b = struct ("a", 1, "b", 3); |
63fe023d7898
Added more tests for cellfun.
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|
831 %! A = cellfun (@(x,y) cell2str (x.a, y.a), {a}, {b}, \ |
63fe023d7898
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|
832 %! "UniformOutput", true, "ErrorHandler", @cellfunerror); |
63fe023d7898
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changeset
|
833 %! assert (isfield (A, "identifier"), true); |
63fe023d7898
Added more tests for cellfun.
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diff
changeset
|
834 %! assert (isfield (A, "message"), true); |
63fe023d7898
Added more tests for cellfun.
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changeset
|
835 %! assert (isfield (A, "index"), true); |
63fe023d7898
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changeset
|
836 %! assert (isempty (A.message), false); |
63fe023d7898
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|
837 %! assert (A.index, 1); |
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Added more tests for cellfun.
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|
838 |
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diff
changeset
|
839 %% A lot of other tests |
5988 | 840 %!error(cellfun(1)) |
841 %!error(cellfun('isclass',1)) | |
842 %!error(cellfun('size',1)) | |
843 %!error(cellfun(@sin,{[]},'BadParam',false)) | |
844 %!error(cellfun(@sin,{[]},'UniformOuput')) | |
845 %!error(cellfun(@sin,{[]},'ErrorHandler')) | |
846 %!assert(cellfun(@sin,{0,1}),sin([0,1])) | |
847 %!assert(cellfun(inline('sin(x)'),{0,1}),sin([0,1])) | |
848 %!assert(cellfun('sin',{0,1}),sin([0,1])) | |
849 %!assert(cellfun('isempty',{1,[]}),[false,true]) | |
850 %!assert(cellfun('islogical',{false,pi}),[true,false]) | |
851 %!assert(cellfun('isreal',{1i,1}),[false,true]) | |
852 %!assert(cellfun('length',{zeros(2,2),1}),[2,1]) | |
853 %!assert(cellfun('prodofsize',{zeros(2,2),1}),[4,1]) | |
854 %!assert(cellfun('ndims',{zeros([2,2,2]),1}),[3,2]) | |
855 %!assert(cellfun('isclass',{zeros([2,2,2]),'test'},'double'),[true,false]) | |
856 %!assert(cellfun('size',{zeros([1,2,3]),1},1),[1,1]) | |
857 %!assert(cellfun('size',{zeros([1,2,3]),1},2),[2,1]) | |
858 %!assert(cellfun('size',{zeros([1,2,3]),1},3),[3,1]) | |
859 %!assert(cellfun(@atan2,{1,1},{1,2}),[atan2(1,1),atan2(1,2)]) | |
860 %!assert(cellfun(@atan2,{1,1},{1,2},'UniformOutput',false),{atan2(1,1),atan2(1,2)}) | |
6422 | 861 %!assert(cellfun(@sin,{1,2;3,4}),sin([1,2;3,4])) |
862 %!assert(cellfun(@atan2,{1,1;1,1},{1,2;1,2}),atan2([1,1;1,1],[1,2;1,2])) | |
5988 | 863 %!error(cellfun(@factorial,{-1,3})) |
864 %!assert(cellfun(@factorial,{-1,3},'ErrorHandler',@(x,y) NaN),[NaN,6]) | |
865 %!test | |
6704 | 866 %! [a,b,c]=cellfun(@fileparts,{fullfile("a","b","c.d"),fullfile("e","f","g.h")},'UniformOutput',false); |
867 %! assert(a,{fullfile("a","b"),fullfile("e","f")}) | |
5988 | 868 %! assert(b,{'c','g'}) |
869 %! assert(c,{'.d','.h'}) | |
870 | |
871 */ | |
872 | |
9678
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873 static void |
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874 do_num2cell_helper (const dim_vector& dv, |
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875 const Array<int>& dimv, |
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876 dim_vector& celldv, dim_vector& arraydv, |
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877 Array<int>& perm) |
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878 { |
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879 int dvl = dimv.length (); |
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880 int maxd = dv.length (); |
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881 celldv = dv; |
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882 for (int i = 0; i < dvl; i++) |
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883 maxd = std::max (maxd, dimv(i)); |
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884 if (maxd > dv.length ()) |
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885 celldv.resize (maxd, 1); |
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886 arraydv = celldv; |
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887 |
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888 OCTAVE_LOCAL_BUFFER_INIT (bool, sing, maxd, false); |
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889 |
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890 perm.clear (maxd, 1); |
9678
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891 for (int i = 0; i < dvl; i++) |
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892 { |
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893 int k = dimv(i) - 1; |
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894 if (k < 0) |
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895 { |
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896 error ("num2cell: dimension indices must be positive"); |
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897 return; |
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898 } |
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899 else if (i > 0 && k < dimv(i-1) - 1) |
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900 { |
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901 error ("num2cell: dimension indices must be strictly increasing"); |
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902 return; |
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903 } |
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904 |
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905 sing[k] = true; |
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906 perm(i) = k; |
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907 } |
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908 |
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909 for (int k = 0, i = dvl; k < maxd; k++) |
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910 if (! sing[k]) |
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911 perm(i++) = k; |
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912 |
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913 for (int i = 0; i < maxd; i++) |
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914 if (sing[i]) |
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915 celldv(i) = 1; |
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916 else |
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917 arraydv(i) = 1; |
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918 } |
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919 |
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920 template<class NDA> |
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921 static inline typename NDA::element_type |
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922 do_num2cell_elem (const NDA& array, octave_idx_type i) |
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923 { return array(i); } |
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924 |
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925 static inline Cell |
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926 do_num2cell_elem (const Cell& array, octave_idx_type i) |
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927 { return Cell (array(i)); } |
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928 |
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929 |
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930 template<class NDA> |
9678
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931 static Cell |
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932 do_num2cell (const NDA& array, const Array<int>& dimv) |
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933 { |
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934 if (dimv.is_empty ()) |
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935 { |
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936 Cell retval (array.dims ()); |
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937 octave_idx_type nel = array.numel (); |
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938 for (octave_idx_type i = 0; i < nel; i++) |
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939 retval.xelem (i) = do_num2cell_elem (array, i); |
9678
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940 |
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941 return retval; |
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942 } |
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943 else |
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944 { |
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945 dim_vector celldv, arraydv; |
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946 Array<int> perm; |
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947 do_num2cell_helper (array.dims (), dimv, celldv, arraydv, perm); |
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948 if (error_state) |
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949 return Cell (); |
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950 |
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951 NDA parray = array.permute (perm); |
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952 |
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953 octave_idx_type nela = arraydv.numel (), nelc = celldv.numel (); |
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954 parray = parray.reshape (dim_vector (nela, nelc)); |
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955 |
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956 Cell retval (celldv); |
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957 for (octave_idx_type i = 0; i < nelc; i++) |
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958 { |
9731 | 959 retval.xelem (i) = NDA (parray.column (i).reshape (arraydv)); |
9678
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960 } |
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961 |
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962 return retval; |
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963 } |
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964 } |
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965 |
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966 |
5451 | 967 DEFUN_DLD (num2cell, args, , |
968 "-*- texinfo -*-\n\ | |
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969 @deftypefn {Loadable Function} {@var{C} =} num2cell (@var{A})\n\ |
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970 @deftypefnx {Loadable Function} {@var{C} =} num2cell (@var{A}, @var{dim})\n\ |
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971 Convert the numeric matrix @var{A} to a cell array. If @var{dim} is\n\ |
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972 defined, the value @var{C} is of dimension 1 in this dimension and the\n\ |
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973 elements of @var{A} are placed into @var{C} in slices. For example:\n\ |
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974 \n\ |
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975 @example\n\ |
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976 @group\n\ |
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977 num2cell([1,2;3,4])\n\ |
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978 @result{} ans =\n\ |
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979 @{\n\ |
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980 [1,1] = 1\n\ |
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981 [2,1] = 3\n\ |
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|
982 [1,2] = 2\n\ |
9d1a14e12431
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Thorsten Meyer <thorsten.meyier@gmx.de>
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983 [2,2] = 4\n\ |
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|
984 @}\n\ |
9d1a14e12431
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985 num2cell([1,2;3,4],1)\n\ |
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Thorsten Meyer <thorsten.meyier@gmx.de>
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986 @result{} ans =\n\ |
9d1a14e12431
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|
987 @{\n\ |
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|
988 [1,1] =\n\ |
9d1a14e12431
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|
989 1\n\ |
9d1a14e12431
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|
990 3\n\ |
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991 [1,2] =\n\ |
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992 2\n\ |
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993 4\n\ |
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994 @}\n\ |
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995 @end group\n\ |
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996 @end example\n\ |
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997 \n\ |
5642 | 998 @seealso{mat2cell}\n\ |
11586
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999 @end deftypefn") |
5451 | 1000 { |
1001 int nargin = args.length(); | |
1002 octave_value retval; | |
1003 | |
1004 if (nargin < 1 || nargin > 2) | |
5823 | 1005 print_usage (); |
5451 | 1006 else |
1007 { | |
9678
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rewrite num2cell for speed-up + a few associated fixes
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1008 octave_value array = args(0); |
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rewrite num2cell for speed-up + a few associated fixes
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1009 Array<int> dimv; |
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rewrite num2cell for speed-up + a few associated fixes
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1010 if (nargin > 1) |
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rewrite num2cell for speed-up + a few associated fixes
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|
1011 dimv = args (1).int_vector_value (true); |
5451 | 1012 |
9678
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rewrite num2cell for speed-up + a few associated fixes
Jaroslav Hajek <highegg@gmail.com>
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1013 if (error_state) |
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rewrite num2cell for speed-up + a few associated fixes
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1014 ; |
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rewrite num2cell for speed-up + a few associated fixes
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1015 else if (array.is_bool_type ()) |
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1016 retval = do_num2cell (array.bool_array_value (), dimv); |
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1017 else if (array.is_char_matrix ()) |
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1018 retval = do_num2cell (array.char_array_value (), dimv); |
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1019 else if (array.is_numeric_type ()) |
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1020 { |
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1021 if (array.is_integer_type ()) |
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rewrite num2cell for speed-up + a few associated fixes
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1022 { |
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rewrite num2cell for speed-up + a few associated fixes
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1023 if (array.is_int8_type ()) |
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1024 retval = do_num2cell (array.int8_array_value (), dimv); |
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1025 else if (array.is_int16_type ()) |
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1026 retval = do_num2cell (array.int16_array_value (), dimv); |
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1027 else if (array.is_int32_type ()) |
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rewrite num2cell for speed-up + a few associated fixes
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1028 retval = do_num2cell (array.int32_array_value (), dimv); |
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1029 else if (array.is_int64_type ()) |
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1030 retval = do_num2cell (array.int64_array_value (), dimv); |
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1031 else if (array.is_uint8_type ()) |
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1032 retval = do_num2cell (array.uint8_array_value (), dimv); |
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1033 else if (array.is_uint16_type ()) |
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|
1034 retval = do_num2cell (array.uint16_array_value (), dimv); |
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1035 else if (array.is_uint32_type ()) |
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1036 retval = do_num2cell (array.uint32_array_value (), dimv); |
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1037 else if (array.is_uint64_type ()) |
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1038 retval = do_num2cell (array.uint64_array_value (), dimv); |
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1039 } |
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1040 else if (array.is_complex_type ()) |
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1041 { |
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1042 if (array.is_single_type ()) |
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1043 retval = do_num2cell (array.float_complex_array_value (), dimv); |
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1044 else |
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1045 retval = do_num2cell (array.complex_array_value (), dimv); |
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1046 } |
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1047 else |
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|
1048 { |
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1049 if (array.is_single_type ()) |
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1050 retval = do_num2cell (array.float_array_value (), dimv); |
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1051 else |
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1052 retval = do_num2cell (array.array_value (), dimv); |
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1053 } |
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1054 } |
10756
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optimize num2cell on structs
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1055 else if (array.is_map ()) |
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1056 retval = do_num2cell (array.map_value (), dimv); |
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1057 else if (array.is_cell ()) |
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1058 retval = do_num2cell (array.cell_value (), dimv); |
9678
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1059 else |
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1060 gripe_wrong_type_arg ("num2cell", array); |
5451 | 1061 } |
1062 | |
1063 return retval; | |
1064 } | |
1065 | |
5988 | 1066 /* |
1067 | |
1068 %!assert(num2cell([1,2;3,4]),{1,2;3,4}) | |
1069 %!assert(num2cell([1,2;3,4],1),{[1;3],[2;4]}) | |
1070 %!assert(num2cell([1,2;3,4],2),{[1,2];[3,4]}) | |
1071 | |
1072 */ | |
1073 | |
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1074 static bool |
10786
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1075 mat2cell_mismatch (const dim_vector& dv, |
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1076 const Array<octave_idx_type> *d, int nd) |
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1077 { |
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1078 for (int i = 0; i < nd; i++) |
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1079 { |
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1080 octave_idx_type s = 0; |
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1081 for (octave_idx_type j = 0; j < d[i].length (); j++) |
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1082 s += d[i](j); |
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1083 |
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1084 octave_idx_type r = i < dv.length () ? dv(i) : 1; |
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1085 |
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1086 if (s != r) |
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1087 { |
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1088 error ("mat2cell: mismatch on %d-th dimension (%d != %d)", |
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1089 i+1, r, s); |
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1090 return true; |
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1091 } |
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1092 } |
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|
1093 |
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|
1094 return false; |
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|
1095 } |
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1096 |
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1097 template<class container> |
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1098 static void |
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|
1099 prepare_idx (container *idx, int idim, int nd, |
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1100 const Array<octave_idx_type>* d) |
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1101 { |
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1102 octave_idx_type nidx = idim < nd ? d[idim].numel () : 1; |
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1103 if (nidx == 1) |
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1104 idx[0] = idx_vector::colon; |
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1105 else |
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1106 { |
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1107 octave_idx_type l = 0; |
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1108 for (octave_idx_type i = 0; i < nidx; i++) |
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1109 { |
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1110 octave_idx_type u = l + d[idim](i); |
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1111 idx[i] = idx_vector (l, u); |
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1112 l = u; |
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1113 } |
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1114 } |
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1115 } |
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1116 |
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1117 // 2D specialization, works for Array, Sparse and octave_map. |
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1118 // Uses 1D or 2D indexing. |
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|
1119 |
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|
1120 template <class Array2D> |
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1121 static Cell |
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1122 do_mat2cell_2d (const Array2D& a, const Array<octave_idx_type> *d, int nd) |
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|
1123 { |
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1124 NoAlias<Cell> retval; |
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1125 assert (nd == 1 || nd == 2); |
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1126 assert (a.ndims () == 2); |
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1127 |
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1128 if (mat2cell_mismatch (a.dims (), d, nd)) |
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1129 return retval; |
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1130 |
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1131 octave_idx_type nridx = d[0].length (); |
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1132 octave_idx_type ncidx = nd == 1 ? 1 : d[1].length (); |
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1133 retval.clear (nridx, ncidx); |
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1134 |
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1135 int ivec = -1; |
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1136 if (a.rows () > 1 && a.cols () == 1 && ncidx == 1) |
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1137 ivec = 0; |
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1138 else if (a.rows () == 1 && nridx == 1 && nd == 2) |
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1139 ivec = 1; |
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|
1140 |
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1141 if (ivec >= 0) |
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|
1142 { |
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|
1143 // Vector split. Use 1D indexing. |
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|
1144 octave_idx_type l = 0, nidx = (ivec == 0 ? nridx : ncidx); |
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1145 for (octave_idx_type i = 0; i < nidx; i++) |
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|
1146 { |
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|
1147 octave_idx_type u = l + d[ivec](i); |
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|
1148 retval(i) = a.index (idx_vector (l, u)); |
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1149 l = u; |
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|
1150 } |
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|
1151 } |
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|
1152 else |
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|
1153 { |
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|
1154 // General 2D case. Use 2D indexing. |
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1155 OCTAVE_LOCAL_BUFFER (idx_vector, ridx, nridx); |
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1156 prepare_idx (ridx, 0, nd, d); |
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1157 |
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1158 OCTAVE_LOCAL_BUFFER (idx_vector, cidx, ncidx); |
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|
1159 prepare_idx (cidx, 1, nd, d); |
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|
1160 |
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|
1161 for (octave_idx_type j = 0; j < ncidx; j++) |
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1162 for (octave_idx_type i = 0; i < nridx; i++) |
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|
1163 { |
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|
1164 octave_quit (); |
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|
1165 |
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|
1166 retval(i,j) = a.index (ridx[i], cidx[j]); |
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|
1167 } |
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|
1168 } |
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|
1169 |
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|
1170 return retval; |
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|
1171 } |
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|
1172 |
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1173 // Nd case. Works for Arrays and octave_map. |
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1174 // Uses Nd indexing. |
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|
1175 |
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|
1176 template <class ArrayND> |
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|
1177 Cell |
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1178 do_mat2cell_nd (const ArrayND& a, const Array<octave_idx_type> *d, int nd) |
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|
1179 { |
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1180 NoAlias<Cell> retval; |
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1181 assert (nd >= 1); |
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|
1182 |
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1183 if (mat2cell_mismatch (a.dims (), d, nd)) |
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1184 return retval; |
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|
1185 |
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1186 dim_vector rdv = dim_vector::alloc (nd); |
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|
1187 OCTAVE_LOCAL_BUFFER (octave_idx_type, nidx, nd); |
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1188 octave_idx_type idxtot = 0; |
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1189 for (int i = 0; i < nd; i++) |
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|
1190 { |
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1191 rdv(i) = nidx[i] = d[i].length (); |
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1192 idxtot += nidx[i]; |
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|
1193 } |
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|
1194 |
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|
1195 retval.clear (rdv); |
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|
1196 |
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1197 OCTAVE_LOCAL_BUFFER (idx_vector, xidx, idxtot); |
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1198 OCTAVE_LOCAL_BUFFER (idx_vector *, idx, nd); |
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|
1199 |
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|
1200 idxtot = 0; |
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|
1201 for (int i = 0; i < nd; i++) |
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|
1202 { |
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|
1203 idx[i] = xidx + idxtot; |
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1204 prepare_idx (idx[i], i, nd, d); |
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1205 idxtot += nidx[i]; |
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|
1206 } |
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|
1207 |
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|
1208 OCTAVE_LOCAL_BUFFER_INIT (octave_idx_type, ridx, nd, 0); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11553
diff
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|
1209 NoAlias< Array<idx_vector> > ra_idx |
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John W. Eaton <jwe@octave.org>
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|
1210 (dim_vector (1, std::max (nd, a.ndims ())), idx_vector::colon); |
10786
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|
1211 |
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1212 for (octave_idx_type j = 0; j < retval.numel (); j++) |
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1213 { |
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1214 octave_quit (); |
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1215 |
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1216 for (int i = 0; i < nd; i++) |
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1217 ra_idx(i) = idx[i][ridx[i]]; |
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|
1218 |
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1219 retval(j) = a.index (ra_idx); |
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|
1220 |
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|
1221 rdv.increment_index (ridx); |
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|
1222 } |
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|
1223 |
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1224 return retval; |
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|
1225 } |
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|
1226 |
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|
1227 // Dispatcher. |
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|
1228 template <class ArrayND> |
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1229 Cell |
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1230 do_mat2cell (const ArrayND& a, const Array<octave_idx_type> *d, int nd) |
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1231 { |
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1232 if (a.ndims () == 2 && nd <= 2) |
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1233 return do_mat2cell_2d (a, d, nd); |
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1234 else |
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|
1235 return do_mat2cell_nd (a, d, nd); |
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|
1236 } |
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|
1237 |
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|
1238 // General case. Works for any class supporting do_index_op. |
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|
1239 // Uses Nd indexing. |
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1240 |
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|
1241 Cell |
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|
1242 do_mat2cell (octave_value& a, const Array<octave_idx_type> *d, int nd) |
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|
1243 { |
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1244 NoAlias<Cell> retval; |
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1245 assert (nd >= 1); |
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1246 |
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1247 if (mat2cell_mismatch (a.dims (), d, nd)) |
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1248 return retval; |
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|
1249 |
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|
1250 dim_vector rdv = dim_vector::alloc (nd); |
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diff
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|
1251 OCTAVE_LOCAL_BUFFER (octave_idx_type, nidx, nd); |
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1252 octave_idx_type idxtot = 0; |
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1253 for (int i = 0; i < nd; i++) |
146a97c3bc97
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|
1254 { |
146a97c3bc97
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|
1255 rdv(i) = nidx[i] = d[i].length (); |
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Jaroslav Hajek <highegg@gmail.com>
parents:
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1256 idxtot += nidx[i]; |
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|
1257 } |
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|
1258 |
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1259 retval.clear (rdv); |
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1260 |
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1261 OCTAVE_LOCAL_BUFFER (octave_value, xidx, idxtot); |
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1262 OCTAVE_LOCAL_BUFFER (octave_value *, idx, nd); |
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|
1263 |
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|
1264 idxtot = 0; |
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1265 for (int i = 0; i < nd; i++) |
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|
1266 { |
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|
1267 idx[i] = xidx + idxtot; |
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Jaroslav Hajek <highegg@gmail.com>
parents:
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|
1268 prepare_idx (idx[i], i, nd, d); |
146a97c3bc97
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Jaroslav Hajek <highegg@gmail.com>
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1269 idxtot += nidx[i]; |
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|
1270 } |
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|
1271 |
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|
1272 OCTAVE_LOCAL_BUFFER_INIT (octave_idx_type, ridx, nd, 0); |
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John W. Eaton <jwe@octave.org>
parents:
11570
diff
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|
1273 octave_value_list ra_idx (std::max (nd, a.ndims ()), |
10786
146a97c3bc97
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|
1274 octave_value::magic_colon_t); |
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|
1275 |
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|
1276 for (octave_idx_type j = 0; j < retval.numel (); j++) |
146a97c3bc97
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|
1277 { |
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|
1278 octave_quit (); |
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|
1279 |
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|
1280 for (int i = 0; i < nd; i++) |
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1281 ra_idx(i) = idx[i][ridx[i]]; |
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|
1282 |
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1283 retval(j) = a.do_index_op (ra_idx); |
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|
1284 |
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|
1285 if (error_state) |
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|
1286 break; |
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|
1287 |
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1288 rdv.increment_index (ridx); |
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|
1289 } |
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|
1290 |
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|
1291 return retval; |
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|
1292 } |
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|
1293 |
5784 | 1294 DEFUN_DLD (mat2cell, args, , |
1295 "-*- texinfo -*-\n\ | |
11553
01f703952eff
Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
1296 @deftypefn {Loadable Function} {@var{C} =} mat2cell (@var{A}, @var{m}, @var{n})\n\ |
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Improve docstrings for functions in DLD-FUNCTIONS directory.
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diff
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|
1297 @deftypefnx {Loadable Function} {@var{C} =} mat2cell (@var{A}, @var{d1}, @var{d2}, @dots{})\n\ |
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|
1298 @deftypefnx {Loadable Function} {@var{C} =} mat2cell (@var{A}, @var{r})\n\ |
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diff
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|
1299 Convert the matrix @var{A} to a cell array. If @var{A} is 2-D, then\n\ |
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|
1300 it is required that @code{sum (@var{m}) == size (@var{A}, 1)} and\n\ |
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1301 @code{sum (@var{n}) == size (@var{A}, 2)}. Similarly, if @var{A} is\n\ |
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|
1302 multi-dimensional and the number of dimensional arguments is equal\n\ |
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diff
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|
1303 to the dimensions of @var{A}, then it is required that @code{sum (@var{di})\n\ |
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|
1304 == size (@var{A}, i)}.\n\ |
5784 | 1305 \n\ |
1306 Given a single dimensional argument @var{r}, the other dimensional\n\ | |
11553
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diff
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|
1307 arguments are assumed to equal @code{size (@var{A},@var{i})}.\n\ |
5784 | 1308 \n\ |
1309 An example of the use of mat2cell is\n\ | |
1310 \n\ | |
1311 @example\n\ | |
1312 mat2cell (reshape(1:16,4,4),[3,1],[3,1])\n\ | |
1313 @result{} @{\n\ | |
1314 [1,1] =\n\ | |
1315 \n\ | |
1316 1 5 9\n\ | |
1317 2 6 10\n\ | |
1318 3 7 11\n\ | |
1319 \n\ | |
1320 [2,1] =\n\ | |
1321 \n\ | |
1322 4 8 12\n\ | |
1323 \n\ | |
1324 [1,2] =\n\ | |
1325 \n\ | |
1326 13\n\ | |
1327 14\n\ | |
1328 15\n\ | |
1329 \n\ | |
1330 [2,2] = 16\n\ | |
1331 @}\n\ | |
1332 @end example\n\ | |
5829 | 1333 @seealso{num2cell, cell2mat}\n\ |
5784 | 1334 @end deftypefn") |
1335 { | |
1336 int nargin = args.length(); | |
1337 octave_value retval; | |
1338 | |
1339 if (nargin < 2) | |
7038 | 1340 print_usage (); |
5784 | 1341 else |
1342 { | |
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1343 // Prepare indices. |
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1344 OCTAVE_LOCAL_BUFFER (Array<octave_idx_type>, d, nargin-1); |
5784 | 1345 |
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1346 for (int i = 1; i < nargin; i++) |
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1347 { |
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1348 d[i-1] = args(i).octave_idx_type_vector_value (true); |
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1349 if (error_state) |
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1350 return retval; |
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1351 } |
5784 | 1352 |
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1353 octave_value a = args(0); |
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1354 bool sparse = a.is_sparse_type (); |
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1355 if (sparse && nargin > 3) |
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1356 { |
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1357 error ("mat2cell: sparse arguments only support 2D indexing"); |
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1358 return retval; |
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1359 } |
5784 | 1360 |
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1361 switch (a.builtin_type ()) |
10154
40dfc0c99116
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1362 { |
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1363 case btyp_double: |
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1364 { |
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1365 if (sparse) |
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1366 retval = do_mat2cell_2d (a.sparse_matrix_value (), d, nargin-1); |
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1367 else |
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1368 retval = do_mat2cell (a.array_value (), d, nargin - 1); |
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1369 break; |
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1370 } |
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1371 case btyp_complex: |
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1372 { |
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1373 if (sparse) |
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1374 retval = do_mat2cell_2d (a.sparse_complex_matrix_value (), d, nargin-1); |
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1375 else |
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1376 retval = do_mat2cell (a.complex_array_value (), d, nargin - 1); |
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1377 break; |
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1378 } |
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1379 #define BTYP_BRANCH(X,Y) \ |
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1380 case btyp_ ## X: \ |
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1381 retval = do_mat2cell (a.Y ## _value (), d, nargin - 1); \ |
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1382 break |
5784 | 1383 |
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1384 BTYP_BRANCH (float, float_array); |
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1385 BTYP_BRANCH (float_complex, float_complex_array); |
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1386 BTYP_BRANCH (bool, bool_array); |
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1387 BTYP_BRANCH (char, char_array); |
5784 | 1388 |
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1389 BTYP_BRANCH (int8, int8_array); |
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1390 BTYP_BRANCH (int16, int16_array); |
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1391 BTYP_BRANCH (int32, int32_array); |
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1392 BTYP_BRANCH (int64, int64_array); |
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1393 BTYP_BRANCH (uint8, uint8_array); |
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|
1394 BTYP_BRANCH (uint16, uint16_array); |
146a97c3bc97
some optimizations for mat2cell
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diff
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|
1395 BTYP_BRANCH (uint32, uint32_array); |
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some optimizations for mat2cell
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|
1396 BTYP_BRANCH (uint64, uint64_array); |
5784 | 1397 |
10786
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|
1398 BTYP_BRANCH (cell, cell); |
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1399 BTYP_BRANCH (struct, map); |
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|
1400 #undef BTYP_BRANCH |
5784 | 1401 |
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1402 case btyp_func_handle: |
146a97c3bc97
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|
1403 gripe_wrong_type_arg ("mat2cell", a); |
146a97c3bc97
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|
1404 break; |
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|
1405 default: |
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some optimizations for mat2cell
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|
1406 retval = do_mat2cell (a, d, nargin-1); |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
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diff
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|
1407 } |
5784 | 1408 } |
1409 | |
1410 return retval; | |
1411 } | |
1412 | |
1413 /* | |
1414 | |
1415 %!test | |
1416 %! x = reshape(1:20,5,4); | |
1417 %! c = mat2cell(x,[3,2],[3,1]); | |
1418 %! assert(c,{[1,6,11;2,7,12;3,8,13],[16;17;18];[4,9,14;5,10,15],[19;20]}) | |
1419 | |
1420 %!test | |
1421 %! x = 'abcdefghij'; | |
1422 %! c = mat2cell(x,1,[0,4,2,0,4,0]); | |
1423 %! empty1by0str = resize('',1,0); | |
1424 %! assert(c,{empty1by0str,'abcd','ef',empty1by0str,'ghij',empty1by0str}) | |
1425 | |
1426 */ | |
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1427 |
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|
1428 // FIXME: it would be nice to allow ranges being handled without a conversion. |
8985
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|
1429 template <class NDA> |
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|
1430 static Cell |
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|
1431 do_cellslices_nda (const NDA& array, |
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|
1432 const Array<octave_idx_type>& lb, |
10125 | 1433 const Array<octave_idx_type>& ub, |
1434 int dim = -1) | |
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1435 { |
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|
1436 octave_idx_type n = lb.length (); |
8985
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|
1437 Cell retval (1, n); |
11586
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|
1438 if (array.is_vector () && (dim == -1 |
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diff
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|
1439 || (dim == 0 && array.columns () == 1) |
10125 | 1440 || (dim == 1 && array.rows () == 1))) |
9057
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have cellslices index the last dim of n-d arrays
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|
1441 { |
8b263623d0f3
have cellslices index the last dim of n-d arrays
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|
1442 for (octave_idx_type i = 0; i < n && ! error_state; i++) |
9740
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diff
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|
1443 retval(i) = array.index (idx_vector (lb(i) - 1, ub(i))); |
9057
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have cellslices index the last dim of n-d arrays
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|
1444 } |
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|
1445 else |
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|
1446 { |
10125 | 1447 const dim_vector dv = array.dims (); |
1448 int ndims = dv.length (); | |
1449 if (dim < 0) | |
1450 dim = dv.first_non_singleton (); | |
1451 ndims = std::max (ndims, dim + 1); | |
1452 | |
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|
1453 Array<idx_vector> idx (dim_vector (ndims, 1), idx_vector::colon); |
10125 | 1454 |
9057
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have cellslices index the last dim of n-d arrays
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|
1455 for (octave_idx_type i = 0; i < n && ! error_state; i++) |
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1456 { |
10125 | 1457 idx(dim) = idx_vector (lb(i) - 1, ub(i)); |
1458 retval(i) = array.index (idx); | |
9057
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1459 } |
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1460 } |
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1461 |
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1462 return retval; |
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|
1463 } |
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|
1464 |
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1465 DEFUN_DLD (cellslices, args, , |
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|
1466 "-*- texinfo -*-\n\ |
10125 | 1467 @deftypefn {Loadable Function} {@var{sl} =} cellslices (@var{x}, @var{lb}, @var{ub}, @var{dim})\n\ |
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|
1468 Given an array @var{x}, this function produces a cell array of slices from\n\ |
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|
1469 the array determined by the index vectors @var{lb}, @var{ub}, for lower and\n\ |
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diff
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|
1470 upper bounds, respectively. In other words, it is equivalent to the\n\ |
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|
1471 following code:\n\ |
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|
1472 \n\ |
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|
1473 @example\n\ |
9064
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diff
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|
1474 @group\n\ |
8985
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|
1475 n = length (lb);\n\ |
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|
1476 sl = cell (1, n);\n\ |
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|
1477 for i = 1:length (lb)\n\ |
10125 | 1478 sl@{i@} = x(:,@dots{},lb(i):ub(i),@dots{},:);\n\ |
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|
1479 endfor\n\ |
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|
1480 @end group\n\ |
8985
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|
1481 @end example\n\ |
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1482 \n\ |
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|
1483 The position of the index is determined by @var{dim}. If not specified,\n\ |
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|
1484 slicing is done along the first non-singleton dimension.\n\ |
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|
1485 @end deftypefn") |
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|
1486 { |
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|
1487 octave_value retval; |
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|
1488 int nargin = args.length (); |
10125 | 1489 if (nargin == 3 || nargin == 4) |
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|
1490 { |
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|
1491 octave_value x = args(0); |
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1492 Array<octave_idx_type> lb = args(1).octave_idx_type_vector_value (); |
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|
1493 Array<octave_idx_type> ub = args(2).octave_idx_type_vector_value (); |
10125 | 1494 int dim = -1; |
1495 if (nargin == 4) | |
1496 { | |
1497 dim = args(3).int_value () - 1; | |
1498 if (dim < 0) | |
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|
1499 error ("cellslices: DIM must be a valid dimension"); |
10125 | 1500 } |
1501 | |
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1502 if (! error_state) |
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|
1503 { |
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|
1504 if (lb.length () != ub.length ()) |
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|
1505 error ("cellslices: the lengths of LB and UB must match"); |
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|
1506 else |
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|
1507 { |
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|
1508 Cell retcell; |
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1509 if (! x.is_sparse_type () && x.is_matrix_type ()) |
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1510 { |
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|
1511 // specialize for some dense arrays. |
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1512 if (x.is_bool_type ()) |
10125 | 1513 retcell = do_cellslices_nda (x.bool_array_value (), lb, ub, dim); |
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1514 else if (x.is_char_matrix ()) |
10125 | 1515 retcell = do_cellslices_nda (x.char_array_value (), lb, ub, dim); |
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1516 else if (x.is_integer_type ()) |
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1517 { |
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1518 if (x.is_int8_type ()) |
10125 | 1519 retcell = do_cellslices_nda (x.int8_array_value (), lb, ub, dim); |
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|
1520 else if (x.is_int16_type ()) |
10125 | 1521 retcell = do_cellslices_nda (x.int16_array_value (), lb, ub, dim); |
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1522 else if (x.is_int32_type ()) |
10125 | 1523 retcell = do_cellslices_nda (x.int32_array_value (), lb, ub, dim); |
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|
1524 else if (x.is_int64_type ()) |
10125 | 1525 retcell = do_cellslices_nda (x.int64_array_value (), lb, ub, dim); |
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|
1526 else if (x.is_uint8_type ()) |
10125 | 1527 retcell = do_cellslices_nda (x.uint8_array_value (), lb, ub, dim); |
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|
1528 else if (x.is_uint16_type ()) |
10125 | 1529 retcell = do_cellslices_nda (x.uint16_array_value (), lb, ub, dim); |
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|
1530 else if (x.is_uint32_type ()) |
10125 | 1531 retcell = do_cellslices_nda (x.uint32_array_value (), lb, ub, dim); |
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|
1532 else if (x.is_uint64_type ()) |
10125 | 1533 retcell = do_cellslices_nda (x.uint64_array_value (), lb, ub, dim); |
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|
1534 } |
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1535 else if (x.is_complex_type ()) |
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|
1536 { |
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|
1537 if (x.is_single_type ()) |
10125 | 1538 retcell = do_cellslices_nda (x.float_complex_array_value (), lb, ub, dim); |
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|
1539 else |
10125 | 1540 retcell = do_cellslices_nda (x.complex_array_value (), lb, ub, dim); |
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1541 } |
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|
1542 else |
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|
1543 { |
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|
1544 if (x.is_single_type ()) |
10125 | 1545 retcell = do_cellslices_nda (x.float_array_value (), lb, ub, dim); |
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1546 else |
10125 | 1547 retcell = do_cellslices_nda (x.array_value (), lb, ub, dim); |
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|
1548 } |
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|
1549 } |
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|
1550 else |
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1551 { |
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1552 // generic code. |
9740
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1553 octave_idx_type n = lb.length (); |
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1554 retcell = Cell (1, n); |
10125 | 1555 const dim_vector dv = x.dims (); |
1556 int ndims = dv.length (); | |
1557 if (dim < 0) | |
1558 dim = dv.first_non_singleton (); | |
1559 ndims = std::max (ndims, dim + 1); | |
1560 octave_value_list idx (ndims, octave_value::magic_colon_t); | |
8985
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1561 for (octave_idx_type i = 0; i < n && ! error_state; i++) |
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1562 { |
10125 | 1563 idx(dim) = Range (lb(i), ub(i)); |
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1564 retcell(i) = x.do_index_op (idx); |
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1565 } |
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1566 } |
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1567 if (! error_state) |
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1568 retval = retcell; |
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1569 } |
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1570 } |
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1571 } |
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1572 else |
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1573 print_usage (); |
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1574 |
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1575 return retval; |
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1576 } |
10122
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1577 |
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1578 /* |
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1579 %!test |
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1580 %! m = [1, 2, 3, 4; 5, 6, 7, 8; 9, 10, 11, 12]; |
10125 | 1581 %! c = cellslices (m, [1, 2], [2, 3], 2); |
10122
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1582 %! assert (c, {[1, 2; 5, 6; 9, 10], [2, 3; 6, 7; 10, 11]}); |
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1583 */ |
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1584 |
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1585 DEFUN_DLD (cellindexmat, args, , |
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1586 "-*- texinfo -*-\n\ |
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1587 @deftypefn {Loadable Function} {@var{y} =} cellindexmat (@var{x}, @var{varargin})\n\ |
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1588 Given a cell array of matrices @var{x}, this function computes\n\ |
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1589 \n\ |
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1590 @example\n\ |
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1591 @group\n\ |
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1592 Y = cell (size (X));\n\ |
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1593 for i = 1:numel (X)\n\ |
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1594 Y@{i@} = X@{i@}(varargin@{:@});\n\ |
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1595 endfor\n\ |
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1596 @end group\n\ |
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1597 @end example\n\ |
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1598 @seealso{cellfun, cellslices}\n\ |
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1599 @end deftypefn") |
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1600 { |
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1601 octave_value retval; |
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1602 if (args.length () >= 1) |
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1603 { |
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1604 if (args(0).is_cell ()) |
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1605 { |
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1606 const Cell x = args(0).cell_value (); |
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1607 NoAlias<Cell> y(x.dims ()); |
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1608 octave_idx_type nel = x.numel (); |
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1609 octave_value_list idx = args.slice (1, args.length () - 1); |
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1610 |
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1611 for (octave_idx_type i = 0; i < nel; i++) |
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1612 { |
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1613 octave_quit (); |
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1614 octave_value tmp = x(i); |
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1615 y(i) = tmp.do_index_op (idx); |
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1616 if (error_state) |
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1617 break; |
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1618 } |
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1619 |
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1620 retval = y; |
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1621 } |
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1622 else |
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|
1623 error ("cellindexmat: X must be a cell"); |
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1624 } |
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1625 else |
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1626 print_usage (); |
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1627 |
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1628 return retval; |
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1629 } |