Mercurial > octave-nkf
annotate scripts/miscellaneous/warning_ids.m @ 20614:10ec79b47808
use new string_value method to handle value extraction errors
* __voronoi__.cc, chol.cc, colamd.cc, fftw.cc:
Use new string_value method.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 08 Oct 2015 18:15:56 -0400 |
parents | e51473fdb622 |
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rev | line source |
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1 ## Copyright (C) 2006-2015 John W. Eaton |
7016 | 2 ## |
3 ## This file is part of Octave. | |
4 ## | |
5 ## Octave is free software; you can redistribute it and/or modify it | |
6 ## under the terms of the GNU General Public License as published by | |
7 ## the Free Software Foundation; either version 3 of the License, or (at | |
8 ## your option) any later version. | |
9 ## | |
10 ## Octave is distributed in the hope that it will be useful, but | |
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 ## General Public License for more details. | |
14 ## | |
15 ## You should have received a copy of the GNU General Public License | |
16 ## along with Octave; see the file COPYING. If not, see | |
17 ## <http://www.gnu.org/licenses/>. | |
18 | |
5781 | 19 ## -*- texinfo -*- |
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20 ## @cindex warning ids |
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21 ## |
5781 | 22 ## @table @code |
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23 ## @item Octave:abbreviated-property-match |
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24 ## By default, the @code{Octave:abbreviated-property-match} warning is enabled. |
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25 ## |
5781 | 26 ## @item Octave:array-to-scalar |
27 ## If the @code{Octave:array-to-scalar} warning is enabled, Octave will | |
28 ## warn when an implicit conversion from an array to a scalar value is | |
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29 ## attempted. |
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30 ## By default, the @code{Octave:array-to-scalar} warning is disabled. |
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31 ## |
5781 | 32 ## @item Octave:array-to-vector |
33 ## If the @code{Octave:array-to-vector} warning is enabled, Octave will | |
34 ## warn when an implicit conversion from an array to a vector value is | |
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35 ## attempted. |
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36 ## By default, the @code{Octave:array-to-vector} warning is disabled. |
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37 ## |
5781 | 38 ## @item Octave:assign-as-truth-value |
39 ## If the @code{Octave:assign-as-truth-value} warning is | |
40 ## enabled, a warning is issued for statements like | |
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41 ## |
5781 | 42 ## @example |
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43 ## @group |
5781 | 44 ## if (s = t) |
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45 ## @dots{} |
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46 ## @end group |
5781 | 47 ## @end example |
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48 ## |
5781 | 49 ## @noindent |
50 ## since such statements are not common, and it is likely that the intent | |
51 ## was to write | |
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52 ## |
5781 | 53 ## @example |
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54 ## @group |
5781 | 55 ## if (s == t) |
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56 ## @dots{} |
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57 ## @end group |
5781 | 58 ## @end example |
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59 ## |
5781 | 60 ## @noindent |
61 ## instead. | |
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62 ## |
5781 | 63 ## There are times when it is useful to write code that contains |
64 ## assignments within the condition of a @code{while} or @code{if} | |
65 ## statement. For example, statements like | |
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66 ## |
5781 | 67 ## @example |
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68 ## @group |
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69 ## while (c = getc ()) |
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70 ## @dots{} |
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71 ## @end group |
5781 | 72 ## @end example |
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73 ## |
5781 | 74 ## @noindent |
75 ## are common in C programming. | |
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76 ## |
5781 | 77 ## It is possible to avoid all warnings about such statements by |
78 ## disabling the @code{Octave:assign-as-truth-value} warning, | |
79 ## but that may also let real errors like | |
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80 ## |
5781 | 81 ## @example |
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82 ## @group |
5781 | 83 ## if (x = 1) # intended to test (x == 1)! |
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84 ## @dots{} |
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85 ## @end group |
5781 | 86 ## @end example |
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87 ## |
5781 | 88 ## @noindent |
89 ## slip by. | |
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90 ## |
5781 | 91 ## In such cases, it is possible suppress errors for specific statements by |
92 ## writing them with an extra set of parentheses. For example, writing the | |
93 ## previous example as | |
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94 ## |
5781 | 95 ## @example |
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96 ## @group |
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97 ## while ((c = getc ())) |
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98 ## @dots{} |
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99 ## @end group |
5781 | 100 ## @end example |
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101 ## |
5781 | 102 ## @noindent |
103 ## will prevent the warning from being printed for this statement, while | |
104 ## allowing Octave to warn about other assignments used in conditional | |
105 ## contexts. | |
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106 ## |
5781 | 107 ## By default, the @code{Octave:assign-as-truth-value} warning is enabled. |
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108 ## |
5781 | 109 ## @item Octave:associativity-change |
110 ## If the @code{Octave:associativity-change} warning is | |
111 ## enabled, Octave will warn about possible changes in the meaning of | |
112 ## some code due to changes in associativity for some operators. | |
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113 ## Associativity changes have typically been made for @sc{matlab} |
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114 ## compatibility. |
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115 ## By default, the @code{Octave:associativity-change} warning is enabled. |
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116 ## |
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117 ## @item Octave:autoload-relative-file-name |
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118 ## If the @code{Octave:autoload-relative-file-name} is enabled, |
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119 ## Octave will warn when parsing autoload() function calls with relative |
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120 ## paths to function files. This usually happens when using autoload() |
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121 ## calls in PKG_ADD files, when the PKG_ADD file is not in the same |
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122 ## directory as the .oct file referred to by the autoload() command. |
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123 ## By default, the @code{Octave:autoload-relative-file-name} warning is enabled. |
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124 ## |
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125 ## @item Octave:built-in-variable-assignment |
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126 ## By default, the @code{Octave:built-in-variable-assignment} warning is |
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127 ## enabled. |
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128 ## |
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129 ## @item Octave:deprecated-keyword |
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130 ## If the @code{Octave:deprecated-keyword} warning is enabled, a |
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131 ## warning is issued when Octave encounters a keyword that is obsolete and |
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132 ## scheduled for removal from Octave. |
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133 ## By default, the @code{Octave:deprecated-keyword} warning is enabled. |
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134 ## |
5781 | 135 ## @item Octave:divide-by-zero |
136 ## If the @code{Octave:divide-by-zero} warning is enabled, a | |
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137 ## warning is issued when Octave encounters a division by zero. |
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138 ## By default, the @code{Octave:divide-by-zero} warning is enabled. |
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139 ## |
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140 ## @item Octave:fopen-file-in-path |
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141 ## By default, the @code{Octave:fopen-file-in-path} warning is enabled. |
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142 ## |
5781 | 143 ## @item Octave:function-name-clash |
144 ## If the @code{Octave:function-name-clash} warning is enabled, a | |
145 ## warning is issued when Octave finds that the name of a function | |
146 ## defined in a function file differs from the name of the file. (If | |
147 ## the names disagree, the name declared inside the file is ignored.) | |
148 ## By default, the @code{Octave:function-name-clash} warning is enabled. | |
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149 ## |
5781 | 150 ## @item Octave:future-time-stamp |
151 ## If the @code{Octave:future-time-stamp} warning is enabled, Octave | |
152 ## will print a warning if it finds a function file with a time stamp | |
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153 ## that is in the future. |
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154 ## By default, the @code{Octave:future-time-stamp} warning is enabled. |
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155 ## |
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156 ## @item Octave:glyph-render |
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157 ## By default, the @code{Octave:glyph-render} warning is enabled. |
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158 ## |
5781 | 159 ## @item Octave:imag-to-real |
160 ## If the @code{Octave:imag-to-real} warning is enabled, a warning is | |
161 ## printed for implicit conversions of complex numbers to real numbers. | |
162 ## By default, the @code{Octave:imag-to-real} warning is disabled. | |
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163 ## |
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164 ## @item Octave:language-extension |
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165 ## Print warnings when using features that are unique to the Octave |
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166 ## language and that may still be missing in @sc{matlab}. |
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167 ## By default, the @code{Octave:language-extension} warning is disabled. |
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168 ## The @option{--traditional} or @option{--braindead} startup options for |
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169 ## Octave may also be of use, @pxref{Command Line Options}. |
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170 ## |
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171 ## @item Octave:load-file-in-path |
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172 ## By default, the @code{Octave:load-file-in-path} warning is enabled. |
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173 ## |
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174 ## @item Octave:logical-conversion |
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175 ## By default, the @code{Octave:logical-conversion} warning is enabled. |
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176 ## |
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177 ## @item Octave:md5sum-file-in-path |
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178 ## By default, the @code{Octave:md5sum-file-in-path} warning is enabled. |
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179 ## |
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180 ## @item Octave:missing-glyph |
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181 ## By default, the @code{Octave:missing-glyph} warning is enabled. |
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182 ## |
5781 | 183 ## @item Octave:missing-semicolon |
184 ## If the @code{Octave:missing-semicolon} warning is enabled, Octave | |
185 ## will warn when statements in function definitions don't end in | |
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186 ## semicolons. |
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187 ## By default the @code{Octave:missing-semicolon} warning is disabled. |
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188 ## |
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189 ## @item Octave:mixed-string-concat |
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190 ## If the @code{Octave:mixed-string-concat} warning is enabled, print a |
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191 ## warning when concatenating a mixture of double and single quoted strings. |
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192 ## By default, the @code{Octave:mixed-string-concat} warning is disabled. |
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193 ## |
5781 | 194 ## @item Octave:neg-dim-as-zero |
195 ## If the @code{Octave:neg-dim-as-zero} warning is enabled, print a warning | |
196 ## for expressions like | |
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197 ## |
5781 | 198 ## @example |
199 ## eye (-1) | |
200 ## @end example | |
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201 ## |
5781 | 202 ## @noindent |
203 ## By default, the @code{Octave:neg-dim-as-zero} warning is disabled. | |
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204 ## |
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205 ## @item Octave:nested-functions-coerced |
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206 ## By default, the @code{Octave:nested-functions-coerced} warning is enabled. |
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207 ## |
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208 ## @item Octave:noninteger-range-as-index |
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209 ## By default, the @code{Octave:noninteger-range-as-index} warning is enabled. |
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210 ## |
5781 | 211 ## @item Octave:num-to-str |
212 ## If the @code{Octave:num-to-str} warning is enable, a warning is | |
213 ## printed for implicit conversions of numbers to their ASCII character | |
214 ## equivalents when strings are constructed using a mixture of strings and | |
215 ## numbers in matrix notation. For example, | |
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216 ## |
5781 | 217 ## @example |
218 ## @group | |
219 ## [ "f", 111, 111 ] | |
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220 ## @result{} "foo" |
5781 | 221 ## @end group |
222 ## @end example | |
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223 ## |
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224 ## @noindent |
5781 | 225 ## elicits a warning if the @code{Octave:num-to-str} warning is |
226 ## enabled. By default, the @code{Octave:num-to-str} warning is enabled. | |
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227 ## |
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228 ## @item Octave:possible-matlab-short-circuit-operator |
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229 ## If the @code{Octave:possible-matlab-short-circuit-operator} warning |
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230 ## is enabled, Octave will warn about using the not short circuiting |
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231 ## operators @code{&} and @code{|} inside @code{if} or @code{while} |
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232 ## conditions. They normally never short circuit, but @sc{matlab} always |
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233 ## short circuits if any logical operators are used in a condition. You |
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234 ## can turn on the option |
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235 ## |
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236 ## @example |
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237 ## @group |
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238 ## do_braindead_shortcircuit_evaluation (1) |
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239 ## @end group |
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240 ## @end example |
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241 ## |
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242 ## @noindent |
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243 ## if you would like to enable this short-circuit evaluation in |
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244 ## Octave. Note that the @code{&&} and @code{||} operators always short |
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245 ## circuit in both Octave and @sc{matlab}, so it's only necessary to |
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246 ## enable @sc{matlab}-style short-circuiting if it's too arduous to modify |
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247 ## existing code that relies on this behavior. |
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248 ## By default, the @code{Octave:possible-matlab-short-circuit-operator} warning |
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249 ## is enabled. |
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250 ## |
5781 | 251 ## @item Octave:precedence-change |
252 ## If the @code{Octave:precedence-change} warning is enabled, Octave | |
253 ## will warn about possible changes in the meaning of some code due to | |
254 ## changes in precedence for some operators. Precedence changes have | |
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255 ## typically been made for @sc{matlab} compatibility. |
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256 ## By default, the @code{Octave:precedence-change} warning is enabled. |
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257 ## |
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258 ## @item Octave:recursive-path-search |
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259 ## By default, the @code{Octave:recursive-path-search} warning is enabled. |
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260 ## |
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261 ## @item Octave:remove-init-dir |
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262 ## The @code{path} function changes the search path that Octave uses |
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263 ## to find functions. It is possible to set the path to a value which |
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264 ## excludes Octave's own built-in functions. If the |
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265 ## @code{Octave:remove-init-dir} warning is enabled then Octave will warn |
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266 ## when the @code{path} function has been used in a way that may render |
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267 ## Octave unworkable. |
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268 ## By default, the @code{Octave:remove-init-dir} warning is enabled. |
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269 ## |
5781 | 270 ## @item Octave:reload-forces-clear |
271 ## If several functions have been loaded from the same file, Octave must | |
272 ## clear all the functions before any one of them can be reloaded. If | |
273 ## the @code{Octave:reload-forces-clear} warning is enabled, Octave will | |
274 ## warn you when this happens, and print a list of the additional | |
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275 ## functions that it is forced to clear. |
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276 ## By default, the @code{Octave:reload-forces-clear} warning is enabled. |
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277 ## |
5781 | 278 ## @item Octave:resize-on-range-error |
279 ## If the @code{Octave:resize-on-range-error} warning is enabled, print a | |
280 ## warning when a matrix is resized by an indexed assignment with | |
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281 ## indices outside the current bounds. |
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282 ## By default, the ## @code{Octave:resize-on-range-error} warning is disabled. |
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283 ## |
5794 | 284 ## @item Octave:separator-insert |
285 ## Print warning if commas or semicolons might be inserted | |
286 ## automatically in literal matrices. | |
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287 ## By default, the @code{Octave:separator-insert} warning is disabled. |
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288 ## |
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289 ## @item Octave:shadowed-function |
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290 ## By default, the @code{Octave:shadowed-function} warning is enabled. |
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291 ## |
5794 | 292 ## @item Octave:single-quote-string |
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293 ## Print warning if a single quote character is used to introduce a |
5794 | 294 ## string constant. |
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295 ## By default, the @code{Octave:single-quote-string} warning is disabled. |
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296 ## |
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297 ## @item Octave:nearly-singular-matrix |
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298 ## @itemx Octave:singular-matrix |
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299 ## By default, the @code{Octave:nearly-singular-matrix} and |
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300 ## @code{Octave:singular-matrix} warnings are enabled. |
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301 ## |
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302 ## @item Octave:sqrtm:SingularMatrix |
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303 ## By default, the @code{Octave:sqrtm:SingularMatrix} warning is enabled. |
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304 ## |
5781 | 305 ## @item Octave:str-to-num |
306 ## If the @code{Octave:str-to-num} warning is enabled, a warning is printed | |
307 ## for implicit conversions of strings to their numeric ASCII equivalents. | |
308 ## For example, | |
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309 ## |
5781 | 310 ## @example |
311 ## @group | |
312 ## "abc" + 0 | |
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313 ## @result{} 97 98 99 |
5781 | 314 ## @end group |
315 ## @end example | |
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316 ## |
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317 ## @noindent |
5781 | 318 ## elicits a warning if the @code{Octave:str-to-num} warning is enabled. |
319 ## By default, the @code{Octave:str-to-num} warning is disabled. | |
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320 ## |
5781 | 321 ## @item Octave:undefined-return-values |
322 ## If the @code{Octave:undefined-return-values} warning is disabled, | |
323 ## print a warning if a function does not define all the values in | |
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324 ## the return list which are expected. |
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325 ## By default, the @code{Octave:undefined-return-values} warning is enabled. |
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326 ## |
5781 | 327 ## @item Octave:variable-switch-label |
328 ## If the @code{Octave:variable-switch-label} warning is enabled, Octave | |
329 ## will print a warning if a switch label is not a constant or constant | |
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330 ## expression. |
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331 ## By default, the @code{Octave:variable-switch-label} warning is disabled. |
5781 | 332 ## @end table |
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333 ## |
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334 |
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335 function warning_ids () |
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336 help ("warning_ids"); |
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337 endfunction |
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338 |
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339 |
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340 ## Mark file as being tested. No real test needed for a documentation .m file |
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341 %!assert (1) |
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342 |