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annotate oct-conf-post.in.h @ 24538:2b273df71aa0

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allow experimenting with thread_local storage * mk-octave-config-h.sh, oct-conf-post.in.h: Define OCTAVE_THREAD_LOCAL. * interpreter.h, interpreter.cc (interpreter::instance): Tag with OCTAVE_THREAD_LOCAL. Note that error message should be changed when a thread_local interpreter object is really possible.
author John W. Eaton <jwe@octave.org>
date Sat, 06 Jan 2018 12:23:14 -0500
parents 194eb4bd202b
children 6652d3823428
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 1993-2017 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software: you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by
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9 the Free Software Foundation, either version 3 of the License, or
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10 (at your option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <https://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 /* The C++ standard is evolving to allow attribute hints in a
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24 compiler-independent manner. In C++ 2011 support for noreturn was
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25 added. In C++ 2014 support for deprecated was added. The Octave
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26 code base has been future-proofed by using macros of the form
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27 OCTAVE_ATTRIBUTE_NAME in place of vendor specific attribute
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28 mechanisms. As compilers evolve, the underlying implementation can
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29 be changed with the macro definitions below. FIXME: Update macros
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30 to use C++ standard attribute syntax when Octave moves to C++ 2011
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31 standard. */
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32
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33 #if defined (__GNUC__)
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34 /* The following attributes are used with gcc and clang compilers. */
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35 # if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
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36 # define OCTAVE_DEPRECATED(ver, msg) __attribute__ ((__deprecated__ ("[" #ver "]: " msg)))
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37 # else
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38 # define OCTAVE_DEPRECATED(ver, msg) __attribute__ ((__deprecated__))
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39 # endif
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40 # define HAVE_OCTAVE_DEPRECATED_ATTR 1
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41
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42 # define OCTAVE_NORETURN __attribute__ ((__noreturn__))
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43 # define HAVE_OCTAVE_NORETURN_ATTR 1
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44
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45 # define OCTAVE_UNUSED __attribute__ ((__unused__))
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46 # define HAVE_OCTAVE_UNUSED_ATTR 1
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47 #else
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48 # define OCTAVE_DEPRECATED(ver, msg)
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49 # define OCTAVE_NORETURN
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50 # define OCTAVE_UNUSED
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51 #endif
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52
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53 #if ! defined (OCTAVE_FALLTHROUGH)
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54 # if defined (__cplusplus) && __cplusplus > 201402L
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55 # define OCTAVE_FALLTHROUGH [[fallthrough]]
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56 # elif defined (__GNUC__) && __GNUC__ < 7
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57 # define OCTAVE_FALLTHROUGH ((void) 0)
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58 # else
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59 # define OCTAVE_FALLTHROUGH __attribute__ ((__fallthrough__))
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60 # endif
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61 #endif
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62
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63 /* This macro could have a better name... It is intended to be used
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64 only to enable inline functions or typedefs that provide access to
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65 symbols that have been moved to the octave namespace. It may be
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66 temporarily useful to define this macro when moving a symbol to the
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67 octave namespace but it should not be defined when building
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68 released versions of Octave, as building those should not require
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69 deprecated symbols. It is defined in octave-config.h, so users of
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70 Octave may continue to access symbols using the deprecated names. */
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71 /* #undef OCTAVE_USE_DEPRECATED_FUNCTIONS */
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72
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73 #if defined (__cplusplus)
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74 template <typename T>
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75 static inline void
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76 octave_unused_parameter (const T&)
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77 { }
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78 #else
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79 # define octave_unused_parameter(param) (void) param;
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80 #endif
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81
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82 #if ! defined (HAVE_DEV_T)
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83 typedef short dev_t;
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84 #endif
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85
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86 #if ! defined (HAVE_INO_T)
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87 typedef unsigned long ino_t;
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88 #endif
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90 #if defined (_MSC_VER)
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91 # define __WIN32__ 1
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92 # define WIN32 1
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93 /* missing parameters in macros */
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94 # pragma warning (disable: 4003)
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95 /* missing implementations in template instantiation */
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96 # pragma warning (disable: 4996)
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97 /* deprecated function names (FIXME: ???) */
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98 # pragma warning (disable: 4661)
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99 #endif
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100
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101 #if defined (__APPLE__) && defined (__MACH__)
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102 # define OCTAVE_USE_OS_X_API 1
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103 #endif
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104
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105 /* Define to 1 if we expect to have <windows.h>, Sleep, etc. */
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106 #if defined (__WIN32__) && ! defined (__CYGWIN__)
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107 # define OCTAVE_USE_WINDOWS_API 1
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108 #endif
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109
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110 #if defined (OCTAVE_USE_WINDOWS_API)
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111 # define OCTAVE_HAVE_WINDOWS_FILESYSTEM 1
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112 #elif defined (__CYGWIN__)
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113 # define OCTAVE_HAVE_WINDOWS_FILESYSTEM 1
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114 # define OCTAVE_HAVE_POSIX_FILESYSTEM 1
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115 #else
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116 # define OCTAVE_HAVE_POSIX_FILESYSTEM 1
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117 #endif
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118
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119 /* sigsetjmp is a macro, not a function. */
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120 #if defined (sigsetjmp) && defined (HAVE_SIGLONGJMP)
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121 # define OCTAVE_HAVE_SIG_JUMP 1
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122 #endif
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123
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124 /* To be able to use long doubles for 64-bit mixed arithmetics, we need
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125 them at least 80 bits wide and we need roundl declared in math.h.
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126 FIXME: Maybe substitute this by a more precise check in the future? */
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127 #if (SIZEOF_LONG_DOUBLE >= 10) && defined (HAVE_ROUNDL)
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128 # define OCTAVE_INT_USE_LONG_DOUBLE
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129 # if (SIZEOF_LONG_DOUBLE < 16 \
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130 && (defined __i386__ || defined __x86_64__) && defined __GNUC__)
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131 # define OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED 1
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132 # endif
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133 #endif
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134
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135 /* oct-dlldefs.h */
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136
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137 /* FIXME: GCC supports visibility attributes as well, even using the
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138 same __declspec declaration if desired. The build system should be
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139 extended to support GCC and visibility attributes. */
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140 #if defined (_MSC_VER)
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141 # define OCTAVE_EXPORT __declspec(dllexport)
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142 # define OCTAVE_IMPORT __declspec(dllimport)
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143 #else
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144 /* All other compilers, at least for now. */
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145 # define OCTAVE_EXPORT
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146 # define OCTAVE_IMPORT
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147 #endif
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148
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149 /* API macro for liboctave */
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150 #if defined (OCTAVE_DLL)
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151 # define OCTAVE_API OCTAVE_EXPORT
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152 #else
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153 # define OCTAVE_API OCTAVE_IMPORT
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154 #endif
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155
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156 /* API macro for libinterp */
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157 #if defined (OCTINTERP_DLL)
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158 # define OCTINTERP_API OCTAVE_EXPORT
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159 #else
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160 # define OCTINTERP_API OCTAVE_IMPORT
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161 #endif
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162
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163 /* API macro for libinterp/graphics */
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164 #if defined (OCTGRAPHICS_DLL)
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165 # define OCTGRAPHICS_API OCTAVE_EXPORT
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166 #else
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167 # define OCTGRAPHICS_API OCTAVE_IMPORT
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168 #endif
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169
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170 /* API macro for libgui */
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171 #if defined (OCTGUI_DLL)
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172 # define OCTGUI_API OCTAVE_EXPORT
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173 #else
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174 # define OCTGUI_API OCTAVE_IMPORT
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175 #endif
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176
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177 /* Backward compatibility */
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178
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179 #if defined (OCTAVE_ENABLE_ATOMIC_REFCOUNT)
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180 # define USE_ATOMIC_REFCOUNT 1
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181 #endif
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182
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183 #if defined (OCTAVE_ENABLE_64)
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184 # define USE_64_BIT_IDX_T 1
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185 #endif
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186
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187 #if defined (OCTAVE_ENABLE_OPENMP)
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188 # define HAVE_OPENMP 1
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189 #endif
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190
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191 #if defined (OCTAVE_ENABLE_FLOAT_TRUNCATE)
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192 # define OCTAVE_FLOAT_TRUNCATE volatile
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193 #else
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194 # define OCTAVE_FLOAT_TRUNCATE
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195 #endif
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196
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197 #if defined (__cplusplus)
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198 # include <cstdint>
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199 #else
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200 # include <stdint.h>
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201 #endif
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202
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203 typedef OCTAVE_IDX_TYPE octave_idx_type;
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204 typedef OCTAVE_F77_INT_TYPE octave_f77_int_type;
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205
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206 #define OCTAVE_HAVE_F77_INT_TYPE 1
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207
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208 #if defined (__cplusplus) && ! defined (OCTAVE_THREAD_LOCAL)
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209 # define OCTAVE_THREAD_LOCAL
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210 #endif
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211
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212 /* Tag indicating Octave's autoconf-generated config.h has been
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213 included. This symbol is provided because autoconf-generated
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214 config.h files do not define a multiple-inclusion guard. See also
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215 the notes at the top of the generated octave-config.h file. */
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216
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217 #define OCTAVE_AUTOCONFIG_H_INCLUDED 1