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* HACKING: Update for libinterp and libgui changes.
author John W. Eaton <jwe@octave.org>
date Sat, 18 Aug 2012 18:56:48 -0400
parents 0f0b795044c3
children 2dd4f5930108
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1 -*- outline -*-
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2
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3 This file attempts to describe the rules to use when hacking Octave.
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4 DO NOT put this file into the distribution.
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5
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6 * Working from the repository
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7
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8 These notes are intended to help people working on sources cloned from
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9 the savannah source code repository.
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10 These requirements do not apply when building from a distribution tarball.
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11
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12 ** Requirements
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13
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14 We've opted to keep only the highest-level sources in the repository.
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15 This eases our maintenance burden, (fewer merges, etc.), but imposes
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16 more requirements on anyone wishing to build from the just-cloned
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17 sources. For example, you have to use the latest stable versions of
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18 the maintainer tools we depend upon, including:
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19
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20 - Autoconf <http://www.gnu.org/software/autoconf/>
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21 - Automake <http://www.gnu.org/software/automake/>
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22 - Bison <http://www.gnu.org/software/bison/>
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23 - Flex <http://www.gnu.org/software/flex/>
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24 - Git <http://git-scm.com/>
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25 - Gnulib <http://www.gnu.org/software/gnulib/>
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26 - GNU Make <http://www.gnu.org/software/make/>
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27 - Gzip <http://www.gnu.org/software/gzip/>
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28 - Libtool <http://www.gnu.org/software/libtool/>
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29 - Mercurial <http://mercurial.selenic.com/>
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30 - Perl <http://www.cpan.org/>
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31 - Rsync <http://samba.anu.edu.au/rsync/>
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32 - Tar <http://www.gnu.org/software/tar/>
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33
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34 Only building the initial full source tree will be a bit painful.
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35 Later, after synchronizing from the repository, a plain `make' should
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36 be sufficient.
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37
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38 ** First clone
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39
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40 If you are reading these notes, you may have already managed to clone
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41 this package from the repository. For the record, you will find all the
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42 relevant information on downloading sources at:
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43
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44 http://www.gnu.org/software/octave/download.html
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45
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46 After cloning Octave, you will need to run the autogen.sh script:
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47
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48 $ ./autogen.sh
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49
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50 This script will examine the source tree and generate some Makefile
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51 fragments and then runs the bootstrap script. The bootstrap script comes
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52 from gnulib, but is kept in the Octave source archive. It should be
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53 updated from the gnulib sources as necssary. The bootstrap script takes
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54 care of running the autotools and generating the configure script.
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55
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56 If you have a copy of gnulib in some directory apart from the Octave
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57 source tree, then pass the name of the directory containing gnulib-tool
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58 to the bootstrap script using the option:
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59
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60 --gnulib-srcdir=DIRNAME
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61
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62 If you have downloaded gnulib directly, DIRNAME will be the directory where
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63 gnulib was unpacked. If you have installed gnulib using a package
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64 manager, DIRNAME is likely to be /usr/bin or /usr/local/bin(where the
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65 gnulib-tool script resides).
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66
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67 By using an external gnulib directory, you can share a single gnulib source
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68 tree among several projects. Since 2011, the gnulib sources are a Mercurial
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69 subrepository, so they will be automatically updated to the
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70 corresponding Mercurial revision if you update the working directory to
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71 a past revision not too far in the past.
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72
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73 Additional options besides --gnulib-srcdir can be passed to autogen.sh and
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74 they will be forwarded without modification to the bootstrap script.
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75
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76 Once the autogen.sh and bootstrap scripts complete successfully, you may
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77 run
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78
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79 $ ./configure
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80 $ make
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81 $ make check
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82
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83 At this point, there should be no difference between your working tree
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84 and the currently visited hg revision:
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85
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86 $ hg diff
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87
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88 should output no difference.
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89
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90 ** Coding style
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91
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92 The most important advice is to follow any conventions you detect in the
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93 file being edited. In addition, Octave maintainers have written a lot
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94 on the subject. See "Appendix C: Tips and Standards" and
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95 "Appendix D: Contributing Guidelines" in the PDF documentation.
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96
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97 * Bugs and patches
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98
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99 See the file BUGS in this directory for more guidance on reporting bugs
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100 and preparing patches.
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101
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102 * Code layout
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103
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104 An overview of the directory layout of Octave's source files:
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105
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106 doc -- Texinfo documentation for Octave
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107
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108
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109 examples -- some example files
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110
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111
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112 gnulib -- gnulib subrepo. This is the actual gnulib source
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113 tree, checked out with git.
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114
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115
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116 libgnu -- gnulib sources that we use. The files here are
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117 copied here from the gnulib directory by the
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118 build-aux/bootstrap script that is run by the
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119 autogen.sh script.
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120
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121
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122 libcruft -- various numerical libraries (mostly Fortran)
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123
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124 amos bessel functions
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125
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126 blas-xtra wrappers for blas functions used in Octave
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127
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128 daspk large scale differential algebraic equation solver
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129
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130 dasrt differential algebraic equation solver with root finding
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131
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132 dassl differential-algebraic system solver
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133
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134 fftpack subroutines for fast fourier transforms
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135
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136 lapack-xtra wrappers for lapack functions used in Octave
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137
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138 misc miscellaneous utilities
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139
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140 odepack ordinary differential equation solver
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141
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142 ordered-qz code for ordering eigenvalues for QZ factorization
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143
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144 quadpack subroutines for numerical integration
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145
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146 ranlib random number generators
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147
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148 slatec-err slatec error handling library
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149
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150 slatec-fn various special function subroutines
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151
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152
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153 liboctave -- The C++ interfaces to the numerical libraries and
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154 various OS facilities.
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155
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156
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157 libinterp -- The interpreter itself plus lots of infrastructure
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158 around it. Octave's extensive octave_value class
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159 hierarchy for polymorphically handling all Octave
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160 types is defined here. The built-in functions are
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161 also defined here.
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162
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163 octave-value the octave_value class hierarchy. These are the
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164 container classes that hold various Octave data
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165 types like struct numerical arrays, structure
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166 arrays, and cell arrays.
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167
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168 parse-tree Classes that define the parse tree for the
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169 interpreter.
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170
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171 interp-core Core utilities for the interpreter. There are no
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172 DEFUN functions (callable from the scripting
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173 language) defined here.
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174
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175 interpfcn Functions closely related to the interpreter.
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176 Includes DEFUN functions (callable from the
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177 scripting language). Also may export C++ functions
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178 that are used in other parts of the interpreter.
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179
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180 corefcn Statically linked DEFUN functions (callable from
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181 the scripting langauge). No C++ functions exported
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182 for use in other parts of the interpreter.
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183
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184 dldfcn Dynamically linked DEFUN functions (callable
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185 from the scripting language). If you see "help
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186 foo" telling you that foo is defined in foo.oct,
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187 then foo.cc will be found here and contain the
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188 source code.
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189
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190 operators Definitions and template instantiations for
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191 operators for all possible Octave type
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192 combinations.
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193
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194 template-inst Some C++ template instantiations.
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195
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196
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197 libgui -- the graphical user interface of GNU Octave
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198
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199 src source files.
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200
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201 m-editor source files for the m-file editor.
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202
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203 octave-adapter souce files for the octave layer for threadsafe
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204 communication with the octave interpreter.
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205 qtinfo source files for the Qt texinfo browser.
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206
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207 icons icon files that will be compiled into the
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208 executable via a resource file.
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209
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210 qterminal subrepository for the qterminal Qt terminal widget.
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211
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212 languages translation files and list of translators.
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213
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214 kb-layouts various files need by the qterminal widget that has
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215 been derived from Konsole.
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216
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217
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218 scripts -- functions written in the Octave language
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219
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220 audio play and record sound files (system dependent)
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221
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222 deprecated older deprecated functions
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223
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224 elfun elementary mathematical functions
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225
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226 @ftp ftp object class
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227
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228 general utility functions
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229
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230 geometry geometry algorithms
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231
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232 help help subsystem functions
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233
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234 image image processing
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235
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236 io input/output functions
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237
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238 linear-algebra linear algebra stuff
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239
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240 miscellaneous stuff that doesn't fit anywhere else
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241
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242 optimization zero finders and minimizers
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243
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244 path functions for path manipulation
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245
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246 pkg the package manager
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247
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248 plot plotting functions
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249
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250 polynomial polynomial manipulation
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251
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252 prefs user-defined preferences
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253
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254 set set manipulation
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255
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256 signal signal processing
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257
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258 sparse sparse matrix support
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259
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260 specfun special mathematical functions
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261
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262 special-matrix functions for generating special types of matrices
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263
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264 startup initialization functions
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265
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266 statistics statistical functions, distributions, and tests
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267
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268 strings character string manipulation
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269
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270 testfun unit testing
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271
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272 time time and date functions
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275 test -- tests for the interpreter
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276
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277 test_ .m fixed tests for the interpreter
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278
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279 fntests.m script to run function tests embedded in C++ and .m
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280 files
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281
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282 ----
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283 John W. Eaton
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284 jwe@octave.org
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285
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286
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287 Last updated: Sat, 18 Aug 2012 18:51:25 EDT
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288
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289
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290 ################################################################################
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291
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292 Copyright (C) 2009-2012 John W. Eaton
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293
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294 This file is part of Octave.
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295
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296 Octave is free software; you can redistribute it and/or modify it
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297 under the terms of the GNU General Public License as published by the
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298 Free Software Foundation; either version 3 of the License, or (at
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299 your option) any later version.
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300
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301 Octave is distributed in the hope that it will be useful, but WITHOUT
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302 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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303 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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304 for more details.
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305
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306 You should have received a copy of the GNU General Public License
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307 along with Octave; see the file COPYING. If not, see
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308 <http://www.gnu.org/licenses/>.
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309
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310
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311 This file was adapted for Octave from the HACKING file that is part of
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312 GNU Bison, which contained the following Copyright notice:
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313
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314 Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009
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315 Free Software Foundation, Inc.
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316
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317 This file is part of GNU Bison.
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318
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319 This program is free software: you can redistribute it and/or modify
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320 it under the terms of the GNU General Public License as published by
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321 the Free Software Foundation, either version 3 of the License, or
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322 (at your option) any later version.
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323
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324 This program is distributed in the hope that it will be useful,
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325 but WITHOUT ANY WARRANTY; without even the implied warranty of
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326 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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327 GNU General Public License for more details.
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328
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329 You should have received a copy of the GNU General Public License
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330 along with this program. If not, see <http://www.gnu.org/licenses/>.