Mercurial > octave
annotate NEWS @ 24419:11d7cd4ece50 stable
dlmwrite.m: Close fid if filename is only one char long (bug #52679)
| author | Andreas Weber <andy.weber.aw@gmail.com> |
|---|---|
| date | Sat, 16 Dec 2017 14:49:25 +0100 |
| parents | 1327ea4f5a93 |
| children | e4d01cf67473 b2b1ada9a7f1 |
| rev | line source |
|---|---|
| 23225 | 1 Summary of bugs fixed for version 4.2.1: |
| 2 --------------------------------------- | |
| 3 | |
| 4 Using the bug numbers listed below, find bug reports on the web using | |
| 5 the URL https://savannah.gnu.org/bugs/?NNNNN | |
| 6 | |
| 7 ** guarantee returning std::string from tilde_expand functions (bug #50234) | |
| 8 | |
| 9 ** workaround segfault in file_stat (bug #50234) | |
| 10 | |
| 11 ** genpropdoc.m: document more graphics properties (bug #50337) | |
| 12 | |
| 13 ** always fork and exec when starting the gui (bug #49609) | |
| 14 | |
| 15 ** print.m: fix regression with -append option (bug #50318) | |
| 16 | |
| 17 ** don't display legend, colorbar, and annotation axes coordinates | |
| 18 (bug #50272) | |
| 19 | |
| 20 ** qp.m: Fix regression with incorrect vector dimensions (bug #50067) | |
| 21 | |
| 22 ** prevent infinite loop in global documentation search (bug #50177) | |
| 23 | |
| 24 ** connect execute command signal in editor constructor (bug #50171) | |
| 25 | |
| 26 ** connect editors execute command signal to the required slot (bug #50171) | |
| 27 | |
| 28 ** check if input is class method before declaring it unimplemented | |
| 29 (patch #9238) (bug #49694) | |
| 30 | |
| 31 ** workaround segfault when an error occurs while printing (bug #49779) | |
| 32 | |
| 33 ** axis.m: Do not set plotboxaspectratio to 0 (bug #49755) | |
| 34 | |
| 35 ** don't rethrow exception in destructor (bug #49304) | |
| 36 | |
| 37 ** rethrow octave::exit_exception (bug #49304) | |
| 38 | |
| 39 ** update appdata.xml to follow conventions (bug #49952) | |
| 40 | |
| 41 ** mexproto.h (mxAssert, mxAssertS): ensure operator precedence (bug #50050) | |
| 42 | |
| 43 ** calculate error in solution for ode solvers correctly (bug #49950) | |
| 44 | |
| 45 ** use GetModuleFileName for getting octave path in windows (bug #48671) | |
| 46 | |
| 47 ** use C++ updaters for labels color (bug #49980) | |
| 48 | |
| 49 ** distinguish elements vs. bytes in fread (bug #49699) | |
| 50 | |
| 51 ** move frame2im and im2frame to image/ directory (bug #49939) | |
| 52 | |
| 53 ** fix undefined return argument for more than 2 outputs from ode solver | |
| 54 (bug #49890) | |
| 55 | |
| 56 ** fix inv for hermitian matrices (bug #49904) | |
| 57 | |
| 58 ** fix gzip for certain types of gzip files (bug #49760) | |
| 59 | |
| 60 ** fix typo in liboctave version info (bug #49860) | |
| 61 | |
| 62 ** initialize ODE Event function with start time (bug #49846) | |
| 63 | |
| 64 ** allow configure test to succeed without implicit fcn decls (bug #49782) | |
| 65 | |
| 66 ** allow external docstrings from .oct files to be found again (bug #49687) | |
| 67 | |
| 68 ** don't require semicolon between property list elements (bug #49819) | |
| 69 | |
| 70 ** display.m: Correctly display output for non-class objects | |
| 71 (bug #49753, #49794) | |
| 72 | |
| 73 ** don't run publish.tst unless OSMESA or gnuplot are available (bug #49767) | |
| 74 | |
| 75 ** find help for function aliases again (bug #49687) | |
| 76 | |
| 77 ** legend.m: backport cset 7184b4516a68 (bug #49675) | |
| 78 | |
| 79 ** preserve lasterror info on rethrow (bug #49642) | |
| 80 | |
| 81 ** norm: fix error in input argument validation leading to segfault | |
| 82 (bug #49634) | |
| 83 | |
| 84 Documentation bugs fixed: | |
| 85 | |
| 86 ** overhaul Java interface description (bug #50299) | |
| 87 | |
| 88 ** add documentation for hex and binary prefix and _ separator | |
| 89 (bug #50305, #50334) | |
| 90 | |
| 91 ** fix build of docs broken in sub2ind (bug #50348) | |
| 92 | |
| 93 ** version.m: document that "-release" returns an empty string (bug #50294) | |
| 94 | |
| 95 ** remove trailing "\n\" from sleep and usleep docstrings (bug #50301) | |
| 96 | |
| 97 ** expand documentation for cast() (bug #50201) | |
| 98 | |
| 99 ** correct two entries in Table 34.1 (bug #50203) | |
| 100 | |
| 101 ** oop.txi: Improve table formatting (bug #50203) | |
| 102 | |
| 103 ** fix '##' in middle of docstring/comment lines (bug #50145) | |
| 104 | |
| 105 ** reword documentation about subplots in 15.2.4 (bug #50148) | |
| 106 | |
| 107 ** update unimplemented list of functions and where to find them | |
| 108 (bug #50098) | |
| 109 | |
| 110 ** compare_plot_demos: fix HTML syntax, simplify output, remove | |
| 111 external deps (bug #49709) | |
| 112 | |
| 113 ** add more depth to explanation of '~' function argument (bug #49444) | |
| 114 | |
| 115 ** correct documentation for javaclasspath file (bug #49873) | |
| 116 | |
| 117 ** small fixes to docstrings (bug #49733) | |
| 118 | |
| 119 ** change text describing demo plots to reflect new ColorOrder (bug #49288) | |
| 120 | |
| 121 Other bugs fixed: | |
| 122 | |
| 123 ** add missing classdef test files (bug #49819) | |
| 124 | |
| 125 | |
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126 Summary of important user-visible changes for version 4.2: |
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127 --------------------------------------------------------- |
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128 |
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129 ** The parser has been extended to accept, but ignore, underscore |
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130 characters in numbers. This facilitates writing more legible code |
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131 by using '_' as a thousands separator or to group nibbles into bytes |
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132 in hex constants. |
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133 |
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134 Examples: 1_000_000 == 1e6 or 0xDE_AD_BE_EF |
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135 |
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136 ** The parser has been extended to understand binary numbers which |
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137 begin with the prefix '0b' or '0B'. The value returned is Octave's |
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138 default numeric class of double, not at unsigned integer class. |
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139 Therefore numbers greater than flintmax, i.e., 2^53, will lose some |
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140 precision. |
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141 |
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142 Examples: 0b101 == 5 or 0B1100_0001 == 0xC1 |
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143 |
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144 ** gnuplot 4.4 is now the minimum version supported by Octave. |
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145 |
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146 ** The default set of colors used to plot lines has been updated to be |
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147 compatible with Matlab's new default color scheme. The line plot |
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148 color scheme can be set with the axes property "ColorOrder". |
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149 |
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150 ** The default colormap is now set to "viridis" which is also the |
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151 default colormap in matplotlib. This new colormap fixes some of the |
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152 main issues with the old default colormap "jet" such as its bad |
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153 "luminance profile" and is also more similar to Matlab's new default |
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154 colormap "parula". |
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155 |
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156 ** The colormap function no longer supports the input argument "list" |
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157 to show built-in colormaps. Use "help colormap" to find the |
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158 built-in colormaps. |
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159 |
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160 ** The graphics command "hold on" now ensures that each new plot added |
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161 to an existing plot has a different color or linestyle according to |
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162 the "ColorOrder" and/or "LineStyleOrder" properties. This is |
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163 equivalent to the old command "hold all" and was made for Matlab |
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164 compatibility. Existing code *may* produce differently colored |
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165 plots if it did not specify the color for a plot and relied on each |
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166 new plot having the default first color in the "ColorOrder" |
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167 property. |
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168 |
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169 ** When starting, Octave now looks in the function path for a file |
| 21395 | 170 startup.m and executes any commands found there. This change was |
| 171 made to accommodate Matlab users. Octave has it's own configuration | |
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172 system based on the file .octaverc which is preferred. |
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173 |
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174 ** Octal ('\NNN') and hex ('\xNN') escape sequences in single quoted |
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175 strings are now interpreted by the function do_string_escapes(). |
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176 The *printf family of functions now supports octal and hex escape |
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177 sequences in single-quoted strings for Matlab compatibility. |
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178 |
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179 ** Special octal and hex escape sequences for the pattern and |
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180 replacement strings in regular expressions are now interpreted for |
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181 Matlab compatibility. |
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182 |
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183 octal: '\oNNN' or '\o{NNN}' |
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184 hex : '\xNN' or '\x{NN}' |
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185 |
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186 ** Unknown escape sequences in the replacement string for regexprep are |
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187 now substituted with their unescaped version and no warning is |
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188 emitted. This change was made for Matlab compatibility. |
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189 |
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190 Example: regexprep ('a', 'a', 'x\yz') |
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191 => 'xyz' |
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192 |
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193 ** mkfifo now interprets the MODE argument as an octal, not decimal, |
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194 integer. This is consistent with the equivalent shell command. |
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195 |
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196 ** linspace now returns an empty matrix if the number of requested |
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197 points is 0 or a negative number. This change was made to be |
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198 compatible with Matlab releases newer than 2011. In addition, |
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199 Octave no longer supports matrix inputs for A or B. |
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200 |
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201 ** The cov function now returns the complex conjugate of the result |
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202 from previous versions of Octave. This change was made for |
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203 compatibility with Matlab. |
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204 |
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205 ** condest now works with a normest1 compatible syntax. |
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206 |
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207 ** The griddata function no longer plots the interpolated mesh if no |
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208 output argument is requested, instead the vector or array of |
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209 interpolated values is always returned for Matlab compatibility. |
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210 |
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|
211 ** The new function "light" and the corresponding graphics object |
|
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|
212 provide light and shadow effects for patch and surface objects. |
|
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6afdf40be534
Implement graphics object "light" (patch #8943).
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|
213 |
|
21133
31674b9d202b
* NEWS: Refill text to 72 columns.
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|
214 ** The surfnorm function now returns unnormalized (magnitude != 1) |
|
31674b9d202b
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|
215 normal vectors for compatibility with Matlab. |
|
20214
561af1ab6099
griddata.m: Return values instead of plotting for Matlab compatibility (bug #45125)
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|
216 |
|
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ba8a9d2934c7
Point isonormals towards lower values for Matlab compatibility (bug #48552).
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|
217 ** The normal vectors returned from isonormals have been reversed to |
|
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|
218 point towards smaller values for compatibility with Matlab. |
|
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219 |
|
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220 ** The quadl function now uses an absolute, rather than relative, |
|
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|
221 tolerance for Matlab compatibility. The default tolerance is 1e-6 |
|
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222 which may result in lower precision results than previous versions |
|
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223 of Octave which used eps as the relative tolerance. The quadl |
|
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224 function has also been extended to return a second output with the |
|
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225 total number of function evaluations. |
|
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226 |
|
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227 ** The textscan function is now built-in and is much faster and much |
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228 more Matlab-compatible than the previous m-file version. |
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229 |
|
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More cleanup associated with removing Java dialog boxes (cset b5d9b95d1e1a).
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230 ** Dialog boxes--errordlg, helpdlg, inputdlg, listdlg, msgbox, |
|
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231 questdlg, and warndlg--now exclusively use Qt for rendering. |
|
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232 Java based versions have been removed. |
|
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233 |
|
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NEWS: Announce implementation of TitleFontSizeMultiplier, TitleFontWeight,
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234 ** The axes properties "TitleFontSizeMultiplier" and "TitleFontWeight" |
|
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235 are now implemented which control the default appearance of text |
|
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236 created with title(). |
|
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237 The axes property "LabelFontSizeMultiplier" is now implemented |
|
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238 which controls the default appearance of text created with |
|
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239 xlabel(), ylabel(), or zlabel(). |
|
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240 |
|
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241 ** The graphics property "box" for axes now defaults to "off". |
|
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242 To obtain equivalent plots to previous versions of Octave use |
| 22476 | 243 set (0, "DefaultAxesBox", "on"); |
|
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244 in your .octaverc file. |
|
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245 |
|
22363
0ca341841198
Implement "boxstyle" graphics property.
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|
246 ** The graphics property "boxstyle" has been implemented. The default |
|
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247 is "back" which draws only the back planes in a 3-D view. If the |
|
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248 option is "full" then all planes are drawn. |
|
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249 |
|
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|
250 ** The graphics property "erasemode" has been hidden, and will |
|
21905
0c3f7fec9c1e
Hide "erasemode" graphics property ahead of eventual removal.
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|
251 eventually be removed. This property has also been removed |
|
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252 from Matlab, and was never implemented in Octave. |
|
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253 |
| 22476 | 254 ** The graphics property "graphicssmoothing" for figures now controls |
|
22351
e6df1ddfc3cf
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changeset
|
255 whether anti-aliasing will be used for lines. The default is "on". |
|
21948
241d39c66e8f
Update graphics properties for figure object.
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|
256 |
|
22335
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|
257 ** The value "zero" for the axes properties "xaxislocation" and |
|
17b71d845251
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|
258 "yaxislocation" has been deprecated and will be removed from |
|
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|
259 Octave 4.6. Use "origin" instead. |
|
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|
260 |
|
22113
b6f482e29afd
New functions publish.m and grabcode.m (patch #9048).
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|
261 ** The publish function allows easy publication of Octave script files |
|
22351
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|
262 in HTML or other formats, including figures and output created by |
|
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Change DefaultAxesBox property to "off".
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22335
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|
263 this script. It comes with its counterpart grabcode, which lets one |
|
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Change DefaultAxesBox property to "off".
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changeset
|
264 literally grab the HTML published code from a remote website, for |
|
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Change DefaultAxesBox property to "off".
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|
265 example. |
|
22113
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New functions publish.m and grabcode.m (patch #9048).
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|
266 |
|
22452
3a8af9d517de
Initialize MEX TrapFlag variable for Matlab compatibility.
Rik <rik@octave.org>
parents:
22451
diff
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|
267 ** The value of the MEX variable TrapFlag now defaults to 0, which will |
|
3a8af9d517de
Initialize MEX TrapFlag variable for Matlab compatibility.
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22451
diff
changeset
|
268 cause Octave to abort execution of a MEX file and return to the |
|
3a8af9d517de
Initialize MEX TrapFlag variable for Matlab compatibility.
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22451
diff
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|
269 prompt if an error is encountered in mexCallMATLAB. |
|
3a8af9d517de
Initialize MEX TrapFlag variable for Matlab compatibility.
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22451
diff
changeset
|
270 |
|
22451
ad5439817753
Add mexCallMATLABWithTrap to MEX API (bug #48949).
Rik <rik@octave.org>
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22442
diff
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|
271 ** The MEX API now includes the function mexCallMATLABWithTrap. This |
|
ad5439817753
Add mexCallMATLABWithTrap to MEX API (bug #48949).
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|
272 function will not abort if an error occurs during mexCallMATLAB, but |
|
ad5439817753
Add mexCallMATLABWithTrap to MEX API (bug #48949).
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|
273 instead will return execution to the MEX function for error |
|
ad5439817753
Add mexCallMATLABWithTrap to MEX API (bug #48949).
Rik <rik@octave.org>
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22442
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|
274 handling. |
|
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Add mexCallMATLABWithTrap to MEX API (bug #48949).
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|
275 |
|
22473
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NEWS: Review and update for 4.2 release.
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|
276 ** The MEX API functions for input validation that begin with "mxIs" |
|
bb10d836751b
NEWS: Review and update for 4.2 release.
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|
277 (e.g., mxIsDouble, mxIsEmpty, etc.) now return type bool rather than |
|
bb10d836751b
NEWS: Review and update for 4.2 release.
Rik <rik@octave.org>
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|
278 type int. |
|
bb10d836751b
NEWS: Review and update for 4.2 release.
Rik <rik@octave.org>
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diff
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|
279 |
|
22460
b0caa61934fe
NEWS: Document mxAssert and mxAssertS additions.
Rik <rik@octave.org>
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diff
changeset
|
280 ** The functions mxAssert and mxAssertS for checking assertions have |
|
b0caa61934fe
NEWS: Document mxAssert and mxAssertS additions.
Rik <rik@octave.org>
parents:
22454
diff
changeset
|
281 been added. In order to avoid a performance penalty they are only |
|
b0caa61934fe
NEWS: Document mxAssert and mxAssertS additions.
Rik <rik@octave.org>
parents:
22454
diff
changeset
|
282 compiled in to debug versions of a MEX file, i.e., that are produced |
|
22473
bb10d836751b
NEWS: Review and update for 4.2 release.
Rik <rik@octave.org>
parents:
22464
diff
changeset
|
283 when the '-g' option is given to mex or mkoctfile. |
|
22460
b0caa61934fe
NEWS: Document mxAssert and mxAssertS additions.
Rik <rik@octave.org>
parents:
22454
diff
changeset
|
284 |
|
22462
6cb7813e5b2f
Add new mxIsScalar function for MEX API.
Rik <rik@octave.org>
parents:
22460
diff
changeset
|
285 ** Other new MEX API functions include mexEvalStringWithTrap, |
|
22464
1d2960b5efe6
Add new MEX fcns mxCreateUninitNumericArray, mxCreateUninitNumericMatrix.
Rik <rik@octave.org>
parents:
22462
diff
changeset
|
286 mxIsScalar, mxCreateUninitNumericArray, mxCreateUninitNumericMatrix. |
|
22454
8445f67a8123
Add function mexEvalStringWithTrap to MEX API.
Rik <rik@octave.org>
parents:
22452
diff
changeset
|
287 |
|
20157
e410d62ae2c8
maint: move NEWS from 45565ecec019 from the release 4.0 to 4.2.
Carnë Draug <carandraug@octave.org>
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|
288 ** Other new functions added in 4.2: |
|
e410d62ae2c8
maint: move NEWS from 45565ecec019 from the release 4.0 to 4.2.
Carnë Draug <carandraug@octave.org>
parents:
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diff
changeset
|
289 |
|
21711
2e0e4eec0d62
Document new function audioformats
Mike Miller <mtmiller@octave.org>
parents:
21637
diff
changeset
|
290 audioformats |
|
22288
57fded74ee22
Add camlight function (patch #9014).
Colin Macdonald <cbm@m.fsf.org>
parents:
22278
diff
changeset
|
291 camlight |
|
22335
17b71d845251
NEWS: Update list of functions added in 4.2.
Rik <rik@octave.org>
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diff
changeset
|
292 condeig |
|
20734
e44d904ac525
Add new functions deg2rad and rad2deg to core (bug #46340).
Rik <rik@octave.org>
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20725
diff
changeset
|
293 deg2rad |
|
21826
f3455f8ff86d
Document new functions dialog and uibuttongroup
Mike Miller <mtmiller@octave.org>
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diff
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|
294 dialog |
|
21075
5ed379c8decd
Add new function evalc to core.
Oliver Heimlich <oheim@posteo.de>
parents:
21025
diff
changeset
|
295 evalc |
|
20913
69489c064cb7
New function hash to calculate MD{2/4/5} and SHA{1,244,256,384,512} hash values.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
20744
diff
changeset
|
296 hash |
|
20736
842765b159ed
New function im2double ported from the image package.
Carnë Draug <carandraug@octave.org>
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|
297 im2double |
|
22278
3fe6663808cc
Add function "isocaps" (patch #8872)
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|
298 isocaps |
|
3fe6663808cc
Add function "isocaps" (patch #8872)
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diff
changeset
|
299 lighting |
|
21765
23a610a3f001
Implement localfunctions Matlab command (bug #47705).
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21711
diff
changeset
|
300 localfunctions |
|
22247
c8fc60a183a3
Add function material. (patch #9013)
Markus Muetzel <markus.muetzel@gmx.de>
parents:
22243
diff
changeset
|
301 material |
|
22183
bfb1b089c230
New function normest1 as replacement for onenormest (patch #8837)
Marco Caliari <marco.caliari@univr.it>
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diff
changeset
|
302 normest1 |
|
22335
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|
303 ode23 |
|
21826
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changeset
|
304 ode45 |
|
20533
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
20530
diff
changeset
|
305 odeget |
|
22335
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NEWS: Update list of functions added in 4.2.
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|
306 odeplot |
|
21826
f3455f8ff86d
Document new functions dialog and uibuttongroup
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diff
changeset
|
307 odeset |
|
21314
a4235a7eeb2c
Add new padecoef.m function.
Endre Kozma <endre.kozma@gmx.com>
parents:
21308
diff
changeset
|
308 padecoef |
|
22335
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NEWS: Update list of functions added in 4.2.
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changeset
|
309 profexport |
|
21765
23a610a3f001
Implement localfunctions Matlab command (bug #47705).
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21711
diff
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|
310 psi |
|
20736
842765b159ed
New function im2double ported from the image package.
Carnë Draug <carandraug@octave.org>
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20734
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changeset
|
311 rad2deg |
|
22243
654de580bdb3
Add function "reducepatch" (patch #8912)
Markus Muetzel <markus.muetzel@gmx.de>
parents:
22235
diff
changeset
|
312 reducepatch |
|
22231
01ba6ebc52e4
Add function "reducevolume" (patch #8856).
Markus Muetzel <markus.muetzel@gmx.de>
parents:
22226
diff
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|
313 reducevolume |
|
22278
3fe6663808cc
Add function "isocaps" (patch #8872)
Markus Mützel <markus.muetzel@gmx.de>
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changeset
|
314 smooth3 |
|
21826
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Document new functions dialog and uibuttongroup
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|
315 uibuttongroup |
|
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|
316 |
| 20484 | 317 ** Deprecated functions. |
| 318 | |
| 319 The following functions have been deprecated in Octave 4.2 and will | |
| 320 be removed from Octave 4.6 (or whatever version is the second major | |
| 321 release after 4.2): | |
| 322 | |
| 323 Function | Replacement | |
| 324 ---------------------|------------------ | |
| 20486 | 325 bitmax | flintmax |
| 20502 | 326 mahalanobis | mahal in Octave-Forge statistics pkg |
|
20913
69489c064cb7
New function hash to calculate MD{2/4/5} and SHA{1,244,256,384,512} hash values.
Kai T. Ohlhus <k.ohlhus@gmail.com>
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|
327 md5sum | hash |
| 23138 | 328 octave_config_info | __octave_config_info__ |
|
22183
bfb1b089c230
New function normest1 as replacement for onenormest (patch #8837)
Marco Caliari <marco.caliari@univr.it>
parents:
22149
diff
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|
329 onenormest | normest1 |
|
20923
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330 sleep | pause |
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331 usleep | pause |
| 20484 | 332 wavread | audioread |
| 333 wavwrite | audiowrite | |
| 334 | |
| 335 ** The following functions were deprecated in Octave 3.8 and have been | |
| 336 removed from Octave 4.2. | |
| 337 | |
| 338 default_save_options java_new | |
| 339 gen_doc_cache java_unsigned_conversion | |
| 340 interp1q javafields | |
| 341 isequalwithequalnans javamethods | |
| 342 java_convert_matrix re_read_readline_init_file | |
| 343 java_debug read_readline_init_file | |
| 344 java_invoke saving_history | |
| 345 | |
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346 ** The global error_state variable in Octave's C++ API has been |
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347 deprecated and will be removed in a future version. Now the error |
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348 and print_usage functions throw an exception |
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349 (octave::execution_exception) after displaying the error message. |
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350 This makes the error and print_usage functions in C++ work more like |
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351 the corresponding functions in the scripting language. |
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352 |
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353 ** The default error handlers in liboctave have been updated to use |
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354 exceptions. After displaying an error message they no longer return |
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355 control to the calling program. The error handler function can be |
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356 customized through the global variables |
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357 "current_liboctave_error_handler" and |
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358 "current_liboctave_error_with_id_handler". If a programmer has |
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359 installed their own custom error handling routines when directly |
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360 linking with liboctave then these must be updated to throw an |
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361 exception and not return to the calling program. |
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362 |
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363 ** The system for common errors and warnings has been renamed from |
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364 gripe_XXX to either err_XXX if error is called or warn_XXX if |
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365 warning is called. The gripe_XXX functions are deprecated and will |
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366 be removed in version 4.6. |
| 21101 | 367 |
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368 ** New configure option, --enable-address-sanitizer-flags, to build |
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369 Octave with memory allocator checks (similar to those in valgrind) |
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370 built in. |
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371 |
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372 Summary of important user-visible changes for version 4.0: |
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373 --------------------------------------------------------- |
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374 |
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375 ** A graphical user interface is now the default when running Octave |
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376 interactively. The start-up option --no-gui will run the familiar |
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377 command line interface, and still allows use of the GUI dialogs and |
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378 qt plotting toolkit. The option --no-gui-libs runs a minimalist |
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379 command line interface that does not link with the Qt libraries and |
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380 uses the fltk toolkit for plotting. |
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381 |
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382 ** Octave now uses OpenGL graphics with Qt widgets by default. If |
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383 OpenGL libraries are not available when Octave is built, gnuplot is |
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384 used. You may choose to use the fltk or gnuplot toolkit for |
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385 graphics by executing the command |
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386 |
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387 graphics_toolkit ("fltk") |
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388 OR |
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389 graphics_toolkit ("gnuplot") |
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390 |
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391 Adding such a command to your ~/.octaverc file will set the default |
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392 for each session. |
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393 |
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394 ** A new syntax for object oriented programming termed classdef has |
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395 been introduced. See the manual for more extensive documentation of |
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396 the classdef interface. |
| 19081 | 397 |
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398 New keywords: |
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399 |
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400 classdef endclassdef |
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401 enumeration endenumeration |
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402 events endevents |
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403 methods endmethods |
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404 properties endproperties |
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405 |
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406 ** New audio functions and classes: |
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407 |
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408 audiodevinfo audioread sound |
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409 audioinfo audiorecorder soundsc |
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410 audioplayer audiowrite |
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411 |
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412 ** Other new classes in Octave 4.0: |
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413 |
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414 audioplayer inputParser |
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415 audiorecorder |
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416 |
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417 ** Optional stricter Matlab compatibility for ranges, diagonal |
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418 matrices, and permutation matrices. |
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419 |
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420 Octave has internal optimizations which use space-efficient storage |
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421 for the three data types above. Three new functions have been added |
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422 which control whether the optimizations are used (default), or |
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423 whether the data types are stored as full matrices. |
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424 |
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425 disable_range disable_diagonal_matrix disable_permutation_matrix |
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426 |
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427 All three optimizations are disabled if Octave is started with the |
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428 --braindead command line option. |
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429 |
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430 ** The preference |
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431 |
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432 do_braindead_shortcircuit_evaluation |
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433 |
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434 is now enabled by default. |
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435 |
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436 ** The preference |
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437 |
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438 allow_noninteger_range_as_index |
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439 |
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440 is now enabled by default and the warning ID |
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441 |
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442 Octave:noninteger-range-as-index |
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443 |
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444 is now set to "on" by default instead of "error" by default and "on" |
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445 for --traditional. |
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446 |
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447 ** The "backtrace" warning option is now enabled by default. This |
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448 change was made for Matlab compatibility. |
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449 |
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450 ** For compatibility with Matlab, the "ismatrix (x)" function now only |
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451 checks the dimension of "x". The old behavior of "ismatrix" is |
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452 obtained by "isnumeric (x) || islogical (x) || ischar (x)". |
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453 |
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454 ** The nextpow2 function behavior has been changed for vector inputs. |
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455 Instead of computing `nextpow2 (length (x))', it will now compute |
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456 nextpow2 for each element of the input. This change is Matlab |
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457 compatible, and also prevents bugs for "vectors" of length 1. |
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458 |
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459 ** polyeig now returns a row vector of eigenvalues rather than a matrix |
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460 with the eigenvalues on the diagonal. This change was made for |
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461 Matlab compatibility. |
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462 |
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Overhaul interp1, interp2, interp3 functions.
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463 ** Interpolation function changes for Matlab compatibility |
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464 |
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465 The interpolation method 'cubic' is now equivalent to 'pchip' for |
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466 interp1, interp2, and interp3. Previously, 'cubic' was equivalent |
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467 to 'spline' for interp2. This may produce different results as |
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468 'spline' has continuous 1st and 2nd derivatives while 'pchip' only |
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469 has a continuous 1st derivative. The methods 'next' and 'previous' |
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470 have been added to interp1 for compatibility. |
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471 |
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472 ** The delaunay function has been extended to accept 3-D inputs for |
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473 Matlab compatibility. The delaunay function no longer plots the |
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474 triangulation if no output argument is requested, instead, the |
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475 triangulation is always returned. The delaunay3 function which |
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476 handles 3-D inputs has been deprecated in favor of delaunay. |
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477 |
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478 ** The trigonometric functions asin and acos return different phase |
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479 values from previous versions of Octave when the input is outside |
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480 the principal branch ([-1, 1]). If the real portion of the input is |
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481 greater than 1 then the limit from below is taken. If the real |
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482 portion is less than 1 then the limit from above is taken. This |
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483 criteria is consistent with several other numerical analysis |
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484 software packages. |
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Fix returned phase of asin, acos outside principal branch (bug #43349).
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485 |
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486 ** The hyperbolic function acosh now returns values with a phase in the |
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487 range [-pi/2, +pi/2]. Previously Octave returned values in the |
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488 range [0, pi]. This is consistent with several other numerical |
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489 analysis software packages. |
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Fix return phase of acosh to match Matlab (bug #44286).
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490 |
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491 ** strfind changes when using empty pattern ("") for Matlab |
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492 compatibility |
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493 |
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494 strfind now returns an empty array when the pattern itself is empty. |
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495 In previous versions of Octave, strfind matched at every character |
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496 location when the pattern was empty. |
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497 |
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498 NEW |
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499 strfind ("abc", "") => [] |
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500 OLD |
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501 strfind ("abc", "") => [1, 2, 3, 4] |
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502 |
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503 ** Integer formats used in the printf family of functions now work for |
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504 64-bit integers and are more compatible with Matlab when printing |
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505 non-integer values. Now instead of truncating, Octave will switch |
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506 the effective format to '%g' in the following circumstances: |
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507 |
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508 * the value of an integer type (int8, uint32, etc.) value exceeds |
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509 the maximum for the format specifier. For '%d', the limit is |
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510 intmax ('int64') and for '%u' it is intmax ('uint64'). |
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511 |
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512 * round(x) != x or the value is outside the range allowed by the |
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513 integer format specifier. |
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514 |
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515 There is still one difference: Matlab switches to '%e' and Octave |
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516 switches to '%g'. |
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517 |
|
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Return a column vector by default for Matlab compatibility (bug #44425, bug #44453).
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518 ** The functions intersect, setdiff, setxor, and union now return a |
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519 column vector as output unless the input was a row vector. This |
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520 change was made for Matlab compatibility. |
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521 |
|
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bef9086a6725
inpolygon.m: Overhaul function and fix bug #40970.
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522 ** The inpolygon function now returns true for points that are within |
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523 the polygon OR on it's edge. This change was made for Matlab |
|
20715
5b7643257978
Remove trailing whitespace at end of lines.
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524 compatibility. |
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525 |
|
19258
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Overhaul the archive family (bzip2, gzip, zip, tar) of m-files.
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526 ** The archive family of functions (bzip2, gzip, zip, tar) and their |
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527 unpacking routines (bunzip2, gunzip, unzip, untar, unpack) have been |
|
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528 recoded. Excepting unpack, the default is now to place files in the |
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529 same directory as the archive (on unpack) or as the original files |
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530 (on archiving). |
|
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531 |
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532 ** Qt and FLTK graphics toolkits now support offscreen rendering on |
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533 Linux. In other words, print will work even when the figure |
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534 visibility is "off". |
|
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535 |
|
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NEWS: Update with important changes for 4.2 release.
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|
536 ** Z-order stacking issues with patches, grid lines, and line object |
|
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537 plot markers for on screen display and printing have all been |
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538 resolved. For 2-D plots the axis grid lines can be placed on top of |
|
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539 the plot with set (gca, "layer", "top"). |
|
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|
540 |
|
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541 ** The patch graphic object has been overhauled. It now produces |
|
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542 visual results equivalent to Matlab even for esoteric combinations |
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543 of faces/vertices/cdata. |
|
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7c6ee4bd7719
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544 |
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545 ** The polar() plot function now draws a circular theta axis and radial |
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546 rho axis rather than using a rectangular x/y axis. |
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|
547 |
|
18723
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linkprop.m: Overhaul function for performance and Matlab compatibility.
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|
548 ** linkprop has been completely re-coded for performance and Matlab |
|
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549 compatibility. It now returns a linkprop object which must be |
|
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550 stored in a variable for as long as the graphic objects should |
|
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551 remain linked. To unlink properties use 'clear hlink' where hlink |
|
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552 is the variable containing the linkprop object. |
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Rik <rik@octave.org>
parents:
18721
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|
553 |
|
19051
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NEWS: note that isprime now accepts negative and complex inputs.
Rik <rik@octave.org>
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|
554 ** isprime has been extended to operate on negative and complex inputs. |
|
3d0f4f4ec688
NEWS: note that isprime now accepts negative and complex inputs.
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555 |
|
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556 ** xor has been extended to accept more than two arguments in which |
|
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557 case it performs cumulative XOR reduction. |
|
19189
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NEWS: Announce addition of XOR reduction to xor function.
Rik <rik@octave.org>
parents:
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558 |
|
19164
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Deprecate delaunay3 and extend delaunay to 3-D inputs.
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|
559 ** The following functions now support N-dimensional arrays: |
|
ba167badef9f
Deprecate delaunay3 and extend delaunay to 3-D inputs.
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diff
changeset
|
560 |
|
20116
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rectint: fix for non-overlapping rectangle, and support ND boxes (bug #44904)
Carnë Draug <carandraug@octave.org>
parents:
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diff
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|
561 fliplr flipud rot90 rectint |
|
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Deprecate delaunay3 and extend delaunay to 3-D inputs.
Rik <rik@octave.org>
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|
562 |
|
19030
9ef10e6a5987
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|
563 ** The new warning ID "Octave:data-file-in-path" replaces the three |
|
9ef10e6a5987
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|
564 previous separate warning IDs "Octave:fopen-file-in-path", |
|
9ef10e6a5987
make "file found in path" warnings consistent
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
565 "Octave:load-file-in-path", and "Octave:md5sum-file-in-path". |
|
9ef10e6a5987
make "file found in path" warnings consistent
John W. Eaton <jwe@octave.org>
parents:
18911
diff
changeset
|
566 |
|
19941
b5479bbc3727
NEWS: Update NEWS file for 4.0 release.
Rik <rik@octave.org>
parents:
19852
diff
changeset
|
567 ** The warning ID Octave:singular-matrix-div has been replaced by |
|
b5479bbc3727
NEWS: Update NEWS file for 4.0 release.
Rik <rik@octave.org>
parents:
19852
diff
changeset
|
568 Octave:nearly-singular-matrix and Octave:singular-matrix. |
|
b5479bbc3727
NEWS: Update NEWS file for 4.0 release.
Rik <rik@octave.org>
parents:
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diff
changeset
|
569 |
|
b5479bbc3727
NEWS: Update NEWS file for 4.0 release.
Rik <rik@octave.org>
parents:
19852
diff
changeset
|
570 ** The warning ID Octave:matlab-incompatible has been replaced by |
|
b5479bbc3727
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parents:
19852
diff
changeset
|
571 Octave:language-extension to better reflect its meaning. |
|
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Rik <rik@octave.org>
parents:
19852
diff
changeset
|
572 |
|
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parents:
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diff
changeset
|
573 ** The warning ID Octave:broadcast has been removed. Instead automatic |
|
b5479bbc3727
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Rik <rik@octave.org>
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diff
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|
574 broadcasting will throw an Octave:language-extension warning. This |
|
b5479bbc3727
NEWS: Update NEWS file for 4.0 release.
Rik <rik@octave.org>
parents:
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diff
changeset
|
575 warning ID is used for broadcasting as well as other features not |
|
b5479bbc3727
NEWS: Update NEWS file for 4.0 release.
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diff
changeset
|
576 available in Matlab. |
|
b5479bbc3727
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parents:
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diff
changeset
|
577 |
|
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diff
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|
578 ** Other new functions added in 4.0: |
|
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|
579 |
|
19741
b8e4104a8f55
Add the annotation function (bug #43282)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
19730
diff
changeset
|
580 annotation |
| 19081 | 581 bandwidth |
|
19530
5ab6fcf32d1e
New function for colormap cubehelix.
Carnë Draug <carandraug@octave.org>
parents:
19520
diff
changeset
|
582 cubehelix |
| 19081 | 583 dir_in_loadpath |
|
19126
995df67fc912
Flip arrays - ND support for fliplr and flipud, and replace flipdim with flip.
Carnë Draug <carandraug+dev@gmail.com>
parents:
19122
diff
changeset
|
584 flip |
|
19313
39a69f54417e
New functions im2frame and frame2im.
Carnë Draug <carandraug@octave.org>
parents:
19294
diff
changeset
|
585 frame2im |
|
20024
cf9b94a89620
Document get_home_directory in Octave manual and NEWS file.
Rik <rik@octave.org>
parents:
19974
diff
changeset
|
586 get_home_directory |
| 19081 | 587 hgload |
| 588 hgsave | |
| 589 ichol | |
| 590 ilu | |
|
19313
39a69f54417e
New functions im2frame and frame2im.
Carnë Draug <carandraug@octave.org>
parents:
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diff
changeset
|
591 im2frame |
| 19081 | 592 isbanded |
| 593 isdiag | |
|
19941
b5479bbc3727
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Rik <rik@octave.org>
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diff
changeset
|
594 isstudent |
| 19081 | 595 istril |
| 596 istriu | |
| 597 javachk | |
|
19941
b5479bbc3727
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parents:
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diff
changeset
|
598 jit_failcnt |
| 19081 | 599 linkaxes |
| 600 lscov | |
|
19941
b5479bbc3727
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Rik <rik@octave.org>
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diff
changeset
|
601 metaclass |
| 19081 | 602 numfields |
|
19941
b5479bbc3727
NEWS: Update NEWS file for 4.0 release.
Rik <rik@octave.org>
parents:
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diff
changeset
|
603 open |
|
19747
56157a7505ed
Add new ordschur function.
Sébastien Villemot <sebastien@debian.org>
parents:
19741
diff
changeset
|
604 ordschur |
|
19941
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Rik <rik@octave.org>
parents:
19852
diff
changeset
|
605 pan |
|
19354
cc6000ccd627
New function qmr (patch #8569).
Nathan Podlich <nathan.podlich@gmail.com>
parents:
19313
diff
changeset
|
606 qmr |
| 19081 | 607 rotate |
|
19941
b5479bbc3727
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Rik <rik@octave.org>
parents:
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diff
changeset
|
608 rotate3d |
| 19081 | 609 sylvester |
|
19167
6f0290863d50
Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents:
19164
diff
changeset
|
610 unsetenv |
|
19645
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John W. Eaton <jwe@octave.org>
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diff
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|
611 validateattributes |
| 19089 | 612 zoom |
|
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff
changeset
|
613 |
|
19122
c43223245085
doc: Add warnings about eventual removal of inline functions.
Rik <rik@octave.org>
parents:
19119
diff
changeset
|
614 ** inline() scheduled for eventual deprecation by Matlab |
|
c43223245085
doc: Add warnings about eventual removal of inline functions.
Rik <rik@octave.org>
parents:
19119
diff
changeset
|
615 |
|
21133
31674b9d202b
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parents:
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diff
changeset
|
616 Functions created through the use of inline are scheduled for |
|
31674b9d202b
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diff
changeset
|
617 deprecation by Matlab. When this occurs Octave will continue to |
|
31674b9d202b
* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
618 support inline functions for an indeterminate amount of time before |
|
31674b9d202b
* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
619 also removing support. All new code should use anonymous functions |
|
31674b9d202b
* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
620 in place of inline functions. |
|
19122
c43223245085
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parents:
19119
diff
changeset
|
621 |
|
18110
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parents:
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|
622 ** Deprecated functions. |
|
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|
623 |
|
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changeset
|
624 The following functions have been deprecated in Octave 4.0 and will |
|
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changeset
|
625 be removed from Octave 4.4 (or whatever version is the second major |
|
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parents:
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diff
changeset
|
626 release after 4.0): |
|
18538
fcd87f68af4f
Deprecate nfields and replace with numfields.
Rik <rik@octave.org>
parents:
18132
diff
changeset
|
627 |
| 19268 | 628 Function | Replacement |
| 629 ---------------------|------------------ | |
| 630 bicubic | interp2 | |
| 631 delaunay3 | delaunay | |
| 632 dump_prefs | individual preference get/set routines | |
| 633 find_dir_in_path | dir_in_loadpath | |
| 634 finite | isfinite | |
| 635 fmod | rem | |
| 636 fnmatch | glob or regexp | |
|
20500
caa5de39147e
maint: Complete deprecation of gmap40 colormap.
Rik <rik@octave.org>
parents:
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diff
changeset
|
637 gmap40 | ---- |
|
19647
0165d9607624
Deprecate audio functions loadaudio, playaudio, saveaudio, and setaudio.
Mike Miller <mtmiller@ieee.org>
parents:
19645
diff
changeset
|
638 loadaudio | audioread |
| 19268 | 639 luinc | ilu or ichol |
|
19760
47440b762547
bring back mouse_wheel_zoom function as deprecated
John W. Eaton <jwe@octave.org>
parents:
19747
diff
changeset
|
640 mouse_wheel_zoom | mousewheelzoom axes property |
| 19268 | 641 nfields | numfields |
| 642 octave_tmp_file_name | tempname | |
|
19647
0165d9607624
Deprecate audio functions loadaudio, playaudio, saveaudio, and setaudio.
Mike Miller <mtmiller@ieee.org>
parents:
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diff
changeset
|
643 playaudio | audioplayer |
|
0165d9607624
Deprecate audio functions loadaudio, playaudio, saveaudio, and setaudio.
Mike Miller <mtmiller@ieee.org>
parents:
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diff
changeset
|
644 saveaudio | audiowrite |
| 19268 | 645 syl | sylvester |
| 646 usage | print_usage | |
|
18538
fcd87f68af4f
Deprecate nfields and replace with numfields.
Rik <rik@octave.org>
parents:
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diff
changeset
|
647 |
|
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
648 allow_noninteger_range_as_index |
|
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changeset
|
649 do_braindead_shortcircuit_evaluation |
|
19647
0165d9607624
Deprecate audio functions loadaudio, playaudio, saveaudio, and setaudio.
Mike Miller <mtmiller@ieee.org>
parents:
19645
diff
changeset
|
650 setaudio |
|
19645
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parents:
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diff
changeset
|
651 |
|
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parents:
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diff
changeset
|
652 ** The following functions were deprecated in Octave 3.8 and will be |
|
ebd27d8c63fd
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
653 removed from Octave 4.2 (or whatever version is the second major |
|
ebd27d8c63fd
update default branch to release as 4.0
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parents:
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|
654 release after 3.8): |
|
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parents:
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changeset
|
655 |
| 19081 | 656 default_save_options java_new |
| 657 gen_doc_cache java_unsigned_conversion | |
| 658 interp1q javafields | |
| 659 isequalwithequalnans javamethods | |
| 18911 | 660 java_convert_matrix re_read_readline_init_file |
| 19081 | 661 java_debug read_readline_init_file |
| 662 java_invoke saving_history | |
| 663 | |
|
19645
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parents:
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diff
changeset
|
664 ** The following functions were deprecated in Octave 3.6 and have been |
|
ebd27d8c63fd
update default branch to release as 4.0
John W. Eaton <jwe@octave.org>
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diff
changeset
|
665 removed from Octave 4.0. |
|
ebd27d8c63fd
update default branch to release as 4.0
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
666 |
|
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
667 cut polyderiv |
|
ebd27d8c63fd
update default branch to release as 4.0
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
668 cor shell_cmd |
|
ebd27d8c63fd
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changeset
|
669 corrcoef studentize |
|
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|
670 __error_text__ sylvester_matrix |
|
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update default branch to release as 4.0
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|
671 error_text |
|
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John W. Eaton <jwe@octave.org>
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changeset
|
672 |
|
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parents:
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diff
changeset
|
673 ** The following keywords were deprecated in Octave 3.8 and have been |
|
ebd27d8c63fd
update default branch to release as 4.0
John W. Eaton <jwe@octave.org>
parents:
19598
diff
changeset
|
674 removed from Octave 4.0 |
|
18110
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|
675 |
|
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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|
676 static |
|
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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changeset
|
677 |
|
19645
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
678 ** The following configuration variables were deprecated in Octave 3.8 |
|
ebd27d8c63fd
update default branch to release as 4.0
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parents:
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diff
changeset
|
679 and have been removed from Octave 4.0 |
|
18110
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changeset
|
680 |
|
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changeset
|
681 CC_VERSION (now GCC_VERSION) |
|
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changeset
|
682 CXX_VERSION (now GXX_VERSION) |
|
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diff
changeset
|
683 |
|
21133
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* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
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changeset
|
684 ** The internal function atan2 of the sparse matrix class has been |
|
31674b9d202b
* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
parents:
21101
diff
changeset
|
685 deprecated in Octave 4.0 and will be removed from Octave 4.4 (or |
|
31674b9d202b
* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
parents:
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changeset
|
686 whatever version is the second major release after 4.0). Use the |
|
31674b9d202b
* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
parents:
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changeset
|
687 Fatan2 function with sparse inputs as a replacement. |
|
19645
ebd27d8c63fd
update default branch to release as 4.0
John W. Eaton <jwe@octave.org>
parents:
19598
diff
changeset
|
688 |
|
20280
077e73619ba8
Allow NEWS to be displayed properly in QTextBrowser (bug #45396)
John W. Eaton <jwe@octave.org>
parents:
20133
diff
changeset
|
689 ** The internal class Octave_map was deprecated in Octave 3.8 and has |
|
21133
31674b9d202b
* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
690 been removed from Octave 4.0. Replacement classes are octave_map |
|
31674b9d202b
* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
parents:
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changeset
|
691 (struct array) or octave_scalar_map for a single structure. |
|
18110
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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changeset
|
692 |
|
19598
76478d2da117
unconditionally disable the octave_allocator class
John W. Eaton <jwe@octave.org>
parents:
19597
diff
changeset
|
693 ** The configure option --enable-octave-allocator has been removed. |
|
21133
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|
694 The internal class octave_allocator declared in oct-alloc.h has been |
|
31674b9d202b
* NEWS: Refill text to 72 columns.
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|
695 removed. The header remains, but is deprecated. The macros to |
|
19598
76478d2da117
unconditionally disable the octave_allocator class
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
696 access the class (DECLARE_OCTAVE_ALLOCATOR, DEFINE_OCTAVE_ALLOCATOR, |
|
76478d2da117
unconditionally disable the octave_allocator class
John W. Eaton <jwe@octave.org>
parents:
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changeset
|
697 and DEFINE_OCTAVE_ALLOCATOR2) are now unconditionally defined to be |
|
76478d2da117
unconditionally disable the octave_allocator class
John W. Eaton <jwe@octave.org>
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changeset
|
698 empty. |
|
76478d2da117
unconditionally disable the octave_allocator class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
699 |
|
19816
81078b0e39e8
build: Enable OpenMP by default, remove experimental warning (bug #42176)
Mike Miller <mtmiller@ieee.org>
parents:
19788
diff
changeset
|
700 ** Octave now has OpenMP enabled by default if the system provides a |
|
81078b0e39e8
build: Enable OpenMP by default, remove experimental warning (bug #42176)
Mike Miller <mtmiller@ieee.org>
parents:
19788
diff
changeset
|
701 working OpenMP implementation. This allows oct-file modules to take |
|
81078b0e39e8
build: Enable OpenMP by default, remove experimental warning (bug #42176)
Mike Miller <mtmiller@ieee.org>
parents:
19788
diff
changeset
|
702 advantage of OpenMP if desired. This can be disabled when building |
|
81078b0e39e8
build: Enable OpenMP by default, remove experimental warning (bug #42176)
Mike Miller <mtmiller@ieee.org>
parents:
19788
diff
changeset
|
703 Octave with the configure option --disable-openmp. |
|
81078b0e39e8
build: Enable OpenMP by default, remove experimental warning (bug #42176)
Mike Miller <mtmiller@ieee.org>
parents:
19788
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changeset
|
704 |
|
21133
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* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
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changeset
|
705 ** Octave now automatically truncates intermediate calculations done |
|
31674b9d202b
* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
parents:
21101
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changeset
|
706 with floating point values to 64 bits. Some hardware math |
|
31674b9d202b
* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
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changeset
|
707 co-processors, such as the x87, maintain extra precision, but this |
|
31674b9d202b
* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
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708 leads to disagreements in calculations when compared to reference |
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* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
parents:
21101
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709 implementations in software using the IEEE standard for double |
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John W. Eaton <jwe@octave.org>
parents:
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710 precision. There was no measurable performance impact to this |
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* NEWS: Refill text to 72 columns.
John W. Eaton <jwe@octave.org>
parents:
21101
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711 change, but it may be disabled with the configure option |
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John W. Eaton <jwe@octave.org>
parents:
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712 --disable-float-truncate. MinGW and Cygwin platforms, as well as |
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21101
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713 GCC compilers >= 5.0 require this feature. Non-x87 hardware, or |
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John W. Eaton <jwe@octave.org>
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714 hardware using SSE options exclusively, can disable float truncation |
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19965
d20dd211cc89
Enable float truncation by default for octave builds.
Rik <rik@octave.org>
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19958
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715 if desired. |
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d20dd211cc89
Enable float truncation by default for octave builds.
Rik <rik@octave.org>
parents:
19958
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716 |
| 9352 | 717 --------------------------------------------------------- |
| 718 | |
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Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
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719 See NEWS.3 for old news. |