Mercurial > octave-nkf
annotate src/ov-fcn-inline.cc @ 9892:ac69e6f4b33d
Add HDF5-1.8 compatibility while maintaining compatibility with HDF5-1.6 versions
| author | Kacper Kowalik <xarthisius.kk@gmail.com> |
|---|---|
| date | Tue, 01 Dec 2009 00:49:07 +0100 |
| parents | b3089dba88bf |
| children | cd96d29c5efa |
| rev | line source |
|---|---|
| 4933 | 1 /* |
| 2 | |
| 8920 | 3 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 David Bateman |
| 4933 | 4 |
| 7016 | 5 This file is part of Octave. |
| 4933 | 6 |
| 7016 | 7 Octave is free software; you can redistribute it and/or modify it |
| 8 under the terms of the GNU General Public License as published by the | |
| 9 Free Software Foundation; either version 3 of the License, or (at your | |
| 10 option) any later version. | |
| 11 | |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 4933 | 16 |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 4933 | 20 |
| 21 In addition to the terms of the GPL, you are permitted to link | |
| 22 this program with any Open Source program, as defined by the | |
| 23 Open Source Initiative (www.opensource.org) | |
| 24 | |
| 25 */ | |
| 26 | |
| 27 #ifdef HAVE_CONFIG_H | |
| 28 #include <config.h> | |
| 29 #endif | |
| 30 | |
| 4988 | 31 #include <istream> |
| 4933 | 32 #include <iostream> |
| 5765 | 33 #include <sstream> |
| 5164 | 34 #include <vector> |
| 4933 | 35 |
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36 #include "oct-locbuf.h" |
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37 |
| 4933 | 38 #include "defun.h" |
| 39 #include "error.h" | |
| 40 #include "gripes.h" | |
| 41 #include "oct-map.h" | |
| 42 #include "ov-base.h" | |
| 43 #include "ov-fcn-inline.h" | |
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44 #include "ov-usr-fcn.h" |
| 4933 | 45 #include "pr-output.h" |
| 46 #include "variables.h" | |
| 47 #include "parse.h" | |
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48 #include "toplev.h" |
| 4933 | 49 |
| 4972 | 50 #include "byte-swap.h" |
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51 #include "ls-ascii-helper.h" |
| 4972 | 52 #include "ls-oct-ascii.h" |
| 53 #include "ls-hdf5.h" | |
| 54 #include "ls-utils.h" | |
| 55 | |
| 4933 | 56 DEFINE_OCTAVE_ALLOCATOR (octave_fcn_inline); |
| 57 | |
| 58 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_fcn_inline, | |
| 59 "inline function", | |
| 6220 | 60 "function_handle"); |
| 4933 | 61 |
| 62 octave_fcn_inline::octave_fcn_inline (const std::string& f, | |
| 4973 | 63 const string_vector& a, |
| 4933 | 64 const std::string& n) |
| 5007 | 65 : octave_fcn_handle (n), iftext (f), ifargs (a) |
| 4933 | 66 { |
| 4973 | 67 // Form a string representing the function. |
| 4933 | 68 |
| 5765 | 69 std::ostringstream buf; |
| 4933 | 70 |
| 5007 | 71 buf << "@("; |
| 4933 | 72 |
| 73 for (int i = 0; i < ifargs.length (); i++) | |
| 74 { | |
| 75 if (i > 0) | |
| 76 buf << ", "; | |
| 77 | |
| 78 buf << ifargs(i); | |
| 79 } | |
| 80 | |
| 5765 | 81 buf << ") " << iftext; |
| 4933 | 82 |
| 5007 | 83 int parse_status; |
| 5765 | 84 octave_value anon_fcn_handle = eval_string (buf.str (), true, parse_status); |
| 4933 | 85 |
| 5007 | 86 if (parse_status == 0) |
| 4933 | 87 { |
| 5007 | 88 octave_fcn_handle *fh = anon_fcn_handle.fcn_handle_value (); |
| 4933 | 89 |
| 5007 | 90 if (fh) |
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91 { |
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92 fcn = fh->fcn_val (); |
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93 |
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94 octave_user_function *uf = fcn.user_function_value (); |
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95 |
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96 if (uf) |
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97 { |
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98 octave_function *curr_fcn = octave_call_stack::current (); |
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99 |
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100 if (curr_fcn) |
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101 { |
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102 symbol_table::scope_id parent_scope |
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103 = curr_fcn->parent_fcn_scope (); |
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104 |
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105 if (parent_scope < 0) |
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106 parent_scope = curr_fcn->scope (); |
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107 |
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108 uf->stash_parent_fcn_scope (parent_scope); |
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109 } |
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110 } |
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111 } |
| 4933 | 112 } |
| 5007 | 113 |
| 114 if (fcn.is_undefined ()) | |
| 4933 | 115 error ("inline: unable to define function"); |
| 116 } | |
| 117 | |
| 6625 | 118 // This function is supplied to allow a Matlab style class structure |
| 119 // to be returned.. | |
| 120 Octave_map | |
| 121 octave_fcn_inline::map_value (void) const | |
| 122 { | |
| 123 Octave_map m; | |
| 124 string_vector args = fcn_arg_names (); | |
| 125 m.assign ("version", octave_value (1.0)); | |
| 126 m.assign ("isEmpty", octave_value (0.0)); | |
| 127 m.assign ("expr", octave_value (fcn_text ())); | |
| 128 m.assign ("numArgs", octave_value (args.length ())); | |
| 129 m.assign ("args", octave_value (args)); | |
| 130 std::ostringstream buf; | |
| 131 for (int i = 0; i < args.length (); i++) | |
| 132 buf << args(i) << " = INLINE_INPUTS_{" << i + 1 << "}; "; | |
| 133 m.assign ("inputExpr", octave_value (buf.str ())); | |
| 134 | |
| 135 return m; | |
| 136 } | |
| 137 | |
| 4972 | 138 bool |
| 6974 | 139 octave_fcn_inline::save_ascii (std::ostream& os) |
| 4972 | 140 { |
| 4973 | 141 os << "# nargs: " << ifargs.length () << "\n"; |
| 4972 | 142 for (int i = 0; i < ifargs.length (); i++) |
| 4973 | 143 os << ifargs(i) << "\n"; |
| 144 if (nm.length () < 1) | |
| 145 // Write an invalid value to flag empty fcn handle name. | |
| 4972 | 146 os << "0\n"; |
| 147 else | |
| 148 os << nm << "\n"; | |
| 149 os << iftext << "\n"; | |
| 150 return true; | |
| 151 } | |
| 152 | |
| 153 bool | |
| 154 octave_fcn_inline::load_ascii (std::istream& is) | |
| 155 { | |
| 156 int nargs; | |
| 157 if (extract_keyword (is, "nargs", nargs, true)) | |
| 158 { | |
| 159 ifargs.resize (nargs); | |
| 160 for (int i = 0; i < nargs; i++) | |
| 4973 | 161 is >> ifargs(i); |
| 4972 | 162 is >> nm; |
| 163 if (nm == "0") | |
| 164 nm = ""; | |
| 4988 | 165 |
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166 skip_preceeding_newline (is); |
| 4988 | 167 |
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168 std::string buf; |
| 4988 | 169 |
| 170 if (is) | |
| 171 { | |
| 172 | |
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173 // Get a line of text whitespace characters included, |
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174 // leaving newline in the stream. |
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175 buf = read_until_newline (is, true); |
| 4988 | 176 } |
| 177 | |
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178 iftext = buf; |
| 4972 | 179 |
| 180 octave_fcn_inline tmp (iftext, ifargs, nm); | |
| 181 fcn = tmp.fcn; | |
| 182 | |
| 183 return true; | |
| 184 } | |
| 185 else | |
| 186 return false; | |
| 187 } | |
| 188 | |
| 4973 | 189 bool |
| 4972 | 190 octave_fcn_inline::save_binary (std::ostream& os, bool&) |
| 191 { | |
| 5828 | 192 int32_t tmp = ifargs.length (); |
| 5760 | 193 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4973 | 194 for (int i = 0; i < ifargs.length (); i++) |
| 4972 | 195 { |
| 4973 | 196 tmp = ifargs(i).length (); |
| 5760 | 197 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4973 | 198 os.write (ifargs(i).c_str (), ifargs(i).length ()); |
| 4972 | 199 } |
| 4973 | 200 tmp = nm.length (); |
| 5760 | 201 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4973 | 202 os.write (nm.c_str (), nm.length ()); |
| 203 tmp = iftext.length (); | |
| 5760 | 204 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4973 | 205 os.write (iftext.c_str (), iftext.length ()); |
| 4972 | 206 return true; |
| 207 } | |
| 208 | |
| 4973 | 209 bool |
| 4972 | 210 octave_fcn_inline::load_binary (std::istream& is, bool swap, |
| 211 oct_mach_info::float_format) | |
| 212 { | |
| 5828 | 213 int32_t nargs; |
| 5760 | 214 if (! is.read (reinterpret_cast<char *> (&nargs), 4)) |
| 4972 | 215 return false; |
| 216 if (swap) | |
| 217 swap_bytes<4> (&nargs); | |
| 218 | |
| 219 if (nargs < 1) | |
| 220 return false; | |
| 221 else | |
| 222 { | |
| 5828 | 223 int32_t tmp; |
| 4973 | 224 ifargs.resize (nargs); |
| 4972 | 225 for (int i = 0; i < nargs; i++) |
| 226 { | |
| 5760 | 227 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
| 4972 | 228 return false; |
| 229 if (swap) | |
| 230 swap_bytes<4> (&tmp); | |
| 231 | |
| 232 OCTAVE_LOCAL_BUFFER (char, ctmp, tmp+1); | |
| 233 is.read (ctmp, tmp); | |
| 234 ifargs(i) = std::string (ctmp); | |
| 235 | |
| 236 if (! is) | |
| 237 return false; | |
| 4973 | 238 } |
| 4972 | 239 |
| 5760 | 240 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
| 4972 | 241 return false; |
| 242 if (swap) | |
| 243 swap_bytes<4> (&tmp); | |
| 244 | |
| 245 OCTAVE_LOCAL_BUFFER (char, ctmp1, tmp+1); | |
| 246 is.read (ctmp1, tmp); | |
| 247 nm = std::string (ctmp1); | |
| 248 | |
| 249 if (! is) | |
| 250 return false; | |
| 251 | |
| 5760 | 252 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
| 4972 | 253 return false; |
| 254 if (swap) | |
| 255 swap_bytes<4> (&tmp); | |
| 256 | |
| 257 OCTAVE_LOCAL_BUFFER (char, ctmp2, tmp+1); | |
| 258 is.read (ctmp2, tmp); | |
| 259 iftext = std::string (ctmp2); | |
| 260 | |
| 261 if (! is) | |
| 262 return false; | |
| 263 | |
| 264 octave_fcn_inline ftmp (iftext, ifargs, nm); | |
| 265 fcn = ftmp.fcn; | |
| 266 } | |
| 267 return true; | |
| 268 } | |
| 269 | |
| 270 #if defined (HAVE_HDF5) | |
| 271 bool | |
| 272 octave_fcn_inline::save_hdf5 (hid_t loc_id, const char *name, | |
| 273 bool /* save_as_floats */) | |
| 274 { | |
| 275 hid_t group_hid = -1; | |
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276 #if HAVE_HDF5_18 |
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277 group_hid = H5Gcreate (loc_id, name, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT); |
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278 #else |
| 4972 | 279 group_hid = H5Gcreate (loc_id, name, 0); |
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280 #endif |
| 4972 | 281 if (group_hid < 0 ) return false; |
| 282 | |
| 283 size_t len = 0; | |
| 4973 | 284 for (int i = 0; i < ifargs.length (); i++) |
| 285 if (len < ifargs(i).length ()) | |
| 286 len = ifargs(i).length (); | |
| 4972 | 287 |
| 288 hid_t space_hid = -1, data_hid = -1, type_hid = -1;; | |
| 289 bool retval = true; | |
| 290 | |
| 5775 | 291 // FIXME Is there a better way of saving string vectors, than a |
| 4972 | 292 // null padded matrix? |
| 293 | |
| 294 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, 2); | |
| 295 | |
| 296 // Octave uses column-major, while HDF5 uses row-major ordering | |
| 4973 | 297 hdims[1] = ifargs.length (); |
| 4972 | 298 hdims[0] = len + 1; |
| 299 | |
| 300 space_hid = H5Screate_simple (2, hdims, 0); | |
| 301 if (space_hid < 0) | |
| 302 { | |
| 303 H5Gclose (group_hid); | |
| 304 return false; | |
| 305 } | |
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306 #if HAVE_HDF5_18 |
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307 data_hid = H5Dcreate (group_hid, "args", H5T_NATIVE_CHAR, space_hid, |
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308 H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT); |
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309 #else |
| 4973 | 310 data_hid = H5Dcreate (group_hid, "args", H5T_NATIVE_CHAR, space_hid, |
| 4972 | 311 H5P_DEFAULT); |
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312 #endif |
| 4972 | 313 if (data_hid < 0) |
| 314 { | |
| 315 H5Sclose (space_hid); | |
| 316 H5Gclose (group_hid); | |
| 317 return false; | |
| 318 } | |
| 319 | |
| 4973 | 320 OCTAVE_LOCAL_BUFFER (char, s, ifargs.length () * (len + 1)); |
| 4972 | 321 |
| 322 // Save the args as a null teminated list | |
| 4973 | 323 for (int i = 0; i < ifargs.length (); i++) |
| 4972 | 324 { |
| 4973 | 325 const char * cptr = ifargs(i).c_str (); |
| 326 for (size_t j = 0; j < ifargs(i).length (); j++) | |
| 4972 | 327 s[i*(len+1)+j] = *cptr++; |
| 4973 | 328 s[ifargs(i).length ()] = '\0'; |
| 4972 | 329 } |
| 330 | |
| 4973 | 331 retval = H5Dwrite (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, |
| 4972 | 332 H5P_DEFAULT, s) >= 0; |
| 333 | |
| 334 H5Dclose (data_hid); | |
| 335 H5Sclose (space_hid); | |
| 336 | |
| 337 if (!retval) | |
| 338 { | |
| 339 H5Gclose (group_hid); | |
| 340 return false; | |
| 4973 | 341 } |
| 4972 | 342 |
| 343 // attach the type of the variable | |
| 4973 | 344 type_hid = H5Tcopy (H5T_C_S1); |
| 4972 | 345 H5Tset_size (type_hid, nm.length () + 1); |
| 346 if (type_hid < 0) | |
| 347 { | |
| 348 H5Gclose (group_hid); | |
| 349 return false; | |
| 4973 | 350 } |
| 4972 | 351 |
| 352 hdims[0] = 0; | |
| 5760 | 353 space_hid = H5Screate_simple (0 , hdims, 0); |
| 4972 | 354 if (space_hid < 0) |
| 355 { | |
| 356 H5Tclose (type_hid); | |
| 357 H5Gclose (group_hid); | |
| 358 return false; | |
| 4973 | 359 } |
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360 #if HAVE_HDF5_18 |
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361 data_hid = H5Dcreate (group_hid, "nm", type_hid, space_hid, |
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362 H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT); |
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363 #else |
| 4972 | 364 data_hid = H5Dcreate (group_hid, "nm", type_hid, space_hid, H5P_DEFAULT); |
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365 #endif |
| 4973 | 366 if (data_hid < 0 || H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, |
| 5760 | 367 H5P_DEFAULT, nm.c_str ()) < 0) |
| 4972 | 368 { |
| 369 H5Sclose (space_hid); | |
| 370 H5Tclose (type_hid); | |
| 371 H5Gclose (group_hid); | |
| 372 return false; | |
| 4973 | 373 } |
| 4972 | 374 H5Dclose (data_hid); |
| 375 | |
| 376 // attach the type of the variable | |
| 377 H5Tset_size (type_hid, iftext.length () + 1); | |
| 378 if (type_hid < 0) | |
| 379 { | |
| 380 H5Gclose (group_hid); | |
| 381 return false; | |
| 4973 | 382 } |
| 4972 | 383 |
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384 #if HAVE_HDF5_18 |
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385 data_hid = H5Dcreate (group_hid, "iftext", type_hid, space_hid, |
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386 H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT); |
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387 #else |
| 4973 | 388 data_hid = H5Dcreate (group_hid, "iftext", type_hid, space_hid, |
| 4972 | 389 H5P_DEFAULT); |
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390 #endif |
| 4973 | 391 if (data_hid < 0 || H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, |
| 5760 | 392 H5P_DEFAULT, iftext.c_str ()) < 0) |
| 4972 | 393 { |
| 394 H5Sclose (space_hid); | |
| 395 H5Tclose (type_hid); | |
| 396 H5Gclose (group_hid); | |
| 397 return false; | |
| 4973 | 398 } |
| 4972 | 399 |
| 400 H5Dclose (data_hid); | |
| 4988 | 401 H5Sclose (space_hid); |
| 402 H5Tclose (type_hid); | |
| 403 H5Gclose (group_hid); | |
| 4972 | 404 |
| 405 return retval; | |
| 406 } | |
| 407 | |
| 408 bool | |
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409 octave_fcn_inline::load_hdf5 (hid_t loc_id, const char *name) |
| 4972 | 410 { |
| 411 hid_t group_hid, data_hid, space_hid, type_hid, type_class_hid, st_id; | |
| 412 hsize_t rank; | |
| 413 int slen; | |
| 414 | |
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415 #if HAVE_HDF5_18 |
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416 group_hid = H5Gopen (loc_id, name, H5P_DEFAULT); |
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417 #else |
| 4972 | 418 group_hid = H5Gopen (loc_id, name); |
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419 #endif |
| 4972 | 420 if (group_hid < 0 ) return false; |
| 421 | |
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422 #if HAVE_HDF5_18 |
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423 data_hid = H5Dopen (group_hid, "args", H5P_DEFAULT); |
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424 #else |
| 4972 | 425 data_hid = H5Dopen (group_hid, "args"); |
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426 #endif |
| 4972 | 427 space_hid = H5Dget_space (data_hid); |
| 428 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 429 | |
| 430 if (rank != 2) | |
| 4973 | 431 { |
| 4972 | 432 H5Dclose (data_hid); |
| 433 H5Sclose (space_hid); | |
| 434 H5Gclose (group_hid); | |
| 435 return false; | |
| 436 } | |
| 437 | |
| 438 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); | |
| 439 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); | |
| 440 | |
| 441 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); | |
| 442 | |
| 4973 | 443 ifargs.resize (hdims[1]); |
| 4972 | 444 |
| 445 OCTAVE_LOCAL_BUFFER (char, s1, hdims[0] * hdims[1]); | |
| 446 | |
| 4973 | 447 if (H5Dread (data_hid, H5T_NATIVE_UCHAR, H5S_ALL, H5S_ALL, |
| 4972 | 448 H5P_DEFAULT, s1) < 0) |
| 4973 | 449 { |
| 4972 | 450 H5Dclose (data_hid); |
| 451 H5Sclose (space_hid); | |
| 452 H5Gclose (group_hid); | |
| 453 return false; | |
| 454 } | |
| 455 | |
| 456 H5Dclose (data_hid); | |
| 457 H5Sclose (space_hid); | |
| 458 | |
| 459 for (size_t i = 0; i < hdims[1]; i++) | |
| 460 ifargs(i) = std::string (s1 + i*hdims[0]); | |
| 461 | |
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462 #if HAVE_HDF5_18 |
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463 data_hid = H5Dopen (group_hid, "nm", H5P_DEFAULT); |
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464 #else |
| 4972 | 465 data_hid = H5Dopen (group_hid, "nm"); |
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466 #endif |
| 4972 | 467 |
| 468 if (data_hid < 0) | |
| 469 { | |
| 470 H5Gclose (group_hid); | |
| 471 return false; | |
| 472 } | |
| 473 | |
| 474 type_hid = H5Dget_type (data_hid); | |
| 475 type_class_hid = H5Tget_class (type_hid); | |
| 476 | |
| 477 if (type_class_hid != H5T_STRING) | |
| 478 { | |
| 479 H5Tclose (type_hid); | |
| 480 H5Dclose (data_hid); | |
| 481 H5Gclose (group_hid); | |
| 482 return false; | |
| 483 } | |
| 4973 | 484 |
| 4972 | 485 space_hid = H5Dget_space (data_hid); |
| 486 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 487 | |
| 488 if (rank != 0) | |
| 489 { | |
| 490 H5Sclose (space_hid); | |
| 491 H5Tclose (type_hid); | |
| 492 H5Dclose (data_hid); | |
| 493 H5Gclose (group_hid); | |
| 494 return false; | |
| 495 } | |
| 496 | |
| 497 slen = H5Tget_size (type_hid); | |
| 498 if (slen < 0) | |
| 499 { | |
| 500 H5Sclose (space_hid); | |
| 501 H5Tclose (type_hid); | |
| 502 H5Dclose (data_hid); | |
| 503 H5Gclose (group_hid); | |
| 504 return false; | |
| 505 } | |
| 506 | |
| 507 OCTAVE_LOCAL_BUFFER (char, nm_tmp, slen); | |
| 508 | |
| 509 // create datatype for (null-terminated) string to read into: | |
| 510 st_id = H5Tcopy (H5T_C_S1); | |
| 511 H5Tset_size (st_id, slen); | |
| 512 | |
| 5760 | 513 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, nm_tmp) < 0) |
| 4972 | 514 { |
| 515 H5Sclose (space_hid); | |
| 516 H5Tclose (type_hid); | |
| 517 H5Gclose (group_hid); | |
| 518 return false; | |
| 519 } | |
| 520 H5Tclose (st_id); | |
| 521 H5Dclose (data_hid); | |
| 522 nm = nm_tmp; | |
| 523 | |
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524 #if HAVE_HDF5_18 |
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525 data_hid = H5Dopen (group_hid, "iftext", H5P_DEFAULT); |
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526 #else |
| 4972 | 527 data_hid = H5Dopen (group_hid, "iftext"); |
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528 #endif |
| 4972 | 529 |
| 530 if (data_hid < 0) | |
| 531 { | |
| 532 H5Gclose (group_hid); | |
| 533 return false; | |
| 534 } | |
| 535 | |
| 536 type_hid = H5Dget_type (data_hid); | |
| 537 type_class_hid = H5Tget_class (type_hid); | |
| 538 | |
| 539 if (type_class_hid != H5T_STRING) | |
| 540 { | |
| 541 H5Tclose (type_hid); | |
| 542 H5Dclose (data_hid); | |
| 543 H5Gclose (group_hid); | |
| 544 return false; | |
| 545 } | |
| 4973 | 546 |
| 4972 | 547 space_hid = H5Dget_space (data_hid); |
| 548 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 549 | |
| 550 if (rank != 0) | |
| 551 { | |
| 552 H5Sclose (space_hid); | |
| 553 H5Tclose (type_hid); | |
| 554 H5Dclose (data_hid); | |
| 555 H5Gclose (group_hid); | |
| 556 return false; | |
| 557 } | |
| 558 | |
| 559 slen = H5Tget_size (type_hid); | |
| 560 if (slen < 0) | |
| 561 { | |
| 562 H5Sclose (space_hid); | |
| 563 H5Tclose (type_hid); | |
| 564 H5Dclose (data_hid); | |
| 565 H5Gclose (group_hid); | |
| 566 return false; | |
| 567 } | |
| 568 | |
| 569 OCTAVE_LOCAL_BUFFER (char, iftext_tmp, slen); | |
| 570 | |
| 571 // create datatype for (null-terminated) string to read into: | |
| 572 st_id = H5Tcopy (H5T_C_S1); | |
| 573 H5Tset_size (st_id, slen); | |
| 574 | |
| 5760 | 575 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, iftext_tmp) < 0) |
| 4972 | 576 { |
| 577 H5Sclose (space_hid); | |
| 578 H5Tclose (type_hid); | |
| 579 H5Gclose (group_hid); | |
| 580 return false; | |
| 581 } | |
| 582 H5Tclose (st_id); | |
| 583 H5Dclose (data_hid); | |
| 584 iftext = iftext_tmp; | |
| 585 | |
| 586 octave_fcn_inline ftmp (iftext, ifargs, nm); | |
| 587 fcn = ftmp.fcn; | |
| 588 | |
| 589 return true; | |
| 590 } | |
| 591 #endif | |
| 592 | |
| 4933 | 593 void |
| 594 octave_fcn_inline::print (std::ostream& os, bool pr_as_read_syntax) const | |
| 595 { | |
| 596 print_raw (os, pr_as_read_syntax); | |
| 597 newline (os); | |
| 598 } | |
| 599 | |
| 600 void | |
| 601 octave_fcn_inline::print_raw (std::ostream& os, bool pr_as_read_syntax) const | |
| 602 { | |
| 5765 | 603 std::ostringstream buf; |
| 4933 | 604 |
| 605 if (nm.empty ()) | |
| 606 buf << "f("; | |
| 607 else | |
| 608 buf << nm << "("; | |
| 609 | |
| 610 for (int i = 0; i < ifargs.length (); i++) | |
| 611 { | |
| 612 if (i) | |
| 613 buf << ", "; | |
| 614 | |
| 615 buf << ifargs(i); | |
| 616 } | |
| 617 | |
| 5765 | 618 buf << ") = " << iftext; |
| 4933 | 619 |
| 5765 | 620 octave_print_internal (os, buf.str (), pr_as_read_syntax, |
| 4933 | 621 current_print_indent_level ()); |
| 622 } | |
| 623 | |
| 624 octave_value | |
| 5279 | 625 octave_fcn_inline::convert_to_str_internal (bool, bool, char type) const |
| 4933 | 626 { |
| 5279 | 627 return octave_value (fcn_text (), type); |
| 4933 | 628 } |
| 629 | |
| 6973 | 630 DEFUNX ("inline", Finline, args, , |
| 4933 | 631 "-*- texinfo -*-\n\ |
| 632 @deftypefn {Built-in Function} {} inline (@var{str})\n\ | |
| 6547 | 633 @deftypefnx {Built-in Function} {} inline (@var{str}, @var{arg1}, @dots{})\n\ |
| 4933 | 634 @deftypefnx {Built-in Function} {} inline (@var{str}, @var{n})\n\ |
| 635 Create an inline function from the character string @var{str}.\n\ | |
| 5034 | 636 If called with a single argument, the arguments of the generated\n\ |
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637 function are extracted from the function itself. The generated\n\ |
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638 function arguments will then be in alphabetical order. It should\n\ |
| 5034 | 639 be noted that i, and j are ignored as arguments due to the\n\ |
| 640 ambiguity between their use as a variable or their use as an inbuilt\n\ | |
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641 constant. All arguments followed by a parenthesis are considered\n\ |
| 5034 | 642 to be functions.\n\ |
| 4933 | 643 \n\ |
| 644 If the second and subsequent arguments are character strings,\n\ | |
| 645 they are the names of the arguments of the function.\n\ | |
| 646 \n\ | |
| 647 If the second argument is an integer @var{n}, the arguments are\n\ | |
| 648 @code{\"x\"}, @code{\"P1\"}, @dots{}, @code{\"P@var{N}\"}.\n\ | |
| 5642 | 649 @seealso{argnames, formula, vectorize}\n\ |
| 650 @end deftypefn") | |
| 4933 | 651 { |
| 652 octave_value retval; | |
| 653 | |
| 654 int nargin = args.length (); | |
| 655 | |
| 656 if (nargin > 0) | |
| 657 { | |
| 658 std::string fun = args(0).string_value (); | |
| 659 | |
| 660 if (! error_state) | |
| 661 { | |
| 662 string_vector fargs; | |
| 663 | |
| 664 if (nargin == 1) | |
| 665 { | |
| 5034 | 666 bool is_arg = false; |
| 5037 | 667 bool in_string = false; |
| 5034 | 668 std::string tmp_arg; |
| 669 size_t i = 0; | |
| 670 | |
| 671 while (i < fun.length ()) | |
| 672 { | |
| 5037 | 673 bool terminate_arg = false; |
| 5034 | 674 char c = fun[i++]; |
| 4933 | 675 |
| 5037 | 676 if (in_string) |
| 677 { | |
| 678 if (c == '\'' || c == '\"') | |
| 679 in_string = false; | |
| 680 } | |
| 681 else if (c == '\'' || c == '\"') | |
| 682 { | |
| 683 in_string = true; | |
| 684 if (is_arg) | |
| 685 terminate_arg = true; | |
| 686 } | |
| 687 else if (! isalpha (c) && c != '_') | |
| 5034 | 688 if (! is_arg) |
| 689 continue; | |
| 690 else if (isdigit (c)) | |
| 5037 | 691 tmp_arg.append (1, c); |
| 5034 | 692 else |
| 693 { | |
| 5037 | 694 // Before we do anything remove trailing whitespaces. |
| 5034 | 695 while (i < fun.length () && isspace (c)) |
| 696 c = fun[i++]; | |
| 5037 | 697 |
| 5034 | 698 // Do we have a variable or a function? |
| 699 if (c != '(') | |
| 5037 | 700 terminate_arg = true; |
| 701 else | |
| 5034 | 702 { |
| 5037 | 703 tmp_arg = std::string (); |
| 704 is_arg = false; | |
| 5034 | 705 } |
| 706 } | |
| 707 else | |
| 708 { | |
| 709 tmp_arg.append (1, c); | |
| 710 is_arg = true; | |
| 5037 | 711 } |
| 5034 | 712 |
| 5037 | 713 if (terminate_arg || (i == fun.length () && is_arg)) |
| 714 { | |
| 715 bool have_arg = false; | |
| 716 | |
| 717 for (int j = 0; j < fargs.length (); j++) | |
| 718 if (tmp_arg == fargs (j)) | |
| 719 { | |
| 720 have_arg = true; | |
| 721 break; | |
| 722 } | |
| 5034 | 723 |
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724 if (! have_arg && tmp_arg != "i" && tmp_arg != "j" && |
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725 tmp_arg != "NaN" && tmp_arg != "nan" && |
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726 tmp_arg != "Inf" && tmp_arg != "inf" && |
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727 tmp_arg != "NA" && tmp_arg != "pi" && |
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728 tmp_arg != "eps") |
| 5037 | 729 fargs.append (tmp_arg); |
| 730 | |
| 731 tmp_arg = std::string (); | |
| 732 is_arg = false; | |
| 5022 | 733 } |
| 734 } | |
| 5034 | 735 |
| 5037 | 736 // Sort the arguments into ascii order. |
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737 fargs.sort (); |
| 4933 | 738 } |
| 739 else if (nargin == 2 && args(1).is_numeric_type ()) | |
| 740 { | |
| 741 int n = args(1).int_value (); | |
| 742 | |
| 743 if (! error_state) | |
| 744 { | |
| 745 if (n >= 0) | |
| 746 { | |
| 747 fargs.resize (n+1); | |
| 748 | |
| 749 fargs(0) = "x"; | |
| 750 | |
| 751 for (int i = 1; i < n+1; i++) | |
| 752 { | |
| 5765 | 753 std::ostringstream buf; |
| 754 buf << "P" << i; | |
| 755 fargs(i) = buf.str (); | |
| 4933 | 756 } |
| 757 } | |
| 758 else | |
| 759 { | |
| 760 error ("inline: numeric argument must be nonnegative"); | |
| 761 return retval; | |
| 762 } | |
| 763 } | |
| 764 else | |
| 765 { | |
| 766 error ("inline: expecting second argument to be an integer"); | |
| 767 return retval; | |
| 768 } | |
| 769 } | |
| 770 else | |
| 771 { | |
| 772 fargs.resize (nargin - 1); | |
| 773 | |
| 774 for (int i = 1; i < nargin; i++) | |
| 775 { | |
| 776 std::string s = args(i).string_value (); | |
| 777 | |
| 778 if (! error_state) | |
| 779 fargs(i-1) = s; | |
| 780 else | |
| 781 { | |
| 782 error ("inline: expecting string arguments"); | |
| 783 return retval; | |
| 784 } | |
| 785 } | |
| 786 } | |
| 787 | |
| 788 retval = octave_value (new octave_fcn_inline (fun, fargs)); | |
| 789 } | |
| 790 else | |
| 791 error ("inline: first argument must be a string"); | |
| 792 } | |
| 793 else | |
| 5823 | 794 print_usage (); |
| 4933 | 795 |
| 796 return retval; | |
| 797 } | |
| 798 | |
| 7394 | 799 /* |
| 800 %!shared fn | |
| 801 %! fn = inline ("x.^2 + 1","x"); | |
| 802 %!assert (feval (fn, 6), 37) | |
| 803 %!assert (fn (6), 37) | |
| 804 */ | |
| 805 | |
| 4933 | 806 DEFUN (formula, args, , |
| 807 "-*- texinfo -*-\n\ | |
| 808 @deftypefn {Built-in Function} {} formula (@var{fun})\n\ | |
| 809 Return a character string representing the inline function @var{fun}.\n\ | |
| 810 Note that @code{char (@var{fun})} is equivalent to\n\ | |
| 811 @code{formula (@var{fun})}.\n\ | |
| 5642 | 812 @seealso{argnames, inline, vectorize}\n\ |
| 813 @end deftypefn") | |
| 4933 | 814 { |
| 815 octave_value retval; | |
| 816 | |
| 817 int nargin = args.length (); | |
| 818 | |
| 819 if (nargin == 1) | |
| 820 { | |
| 821 octave_fcn_inline* fn = args(0).fcn_inline_value (true); | |
| 822 | |
| 823 if (fn) | |
| 824 retval = octave_value (fn->fcn_text ()); | |
| 825 else | |
| 826 error ("formula: must be an inline function"); | |
| 827 } | |
| 828 else | |
| 5823 | 829 print_usage (); |
| 4933 | 830 |
| 831 return retval; | |
| 832 } | |
| 833 | |
| 834 DEFUN (argnames, args, , | |
| 835 "-*- texinfo -*-\n\ | |
| 836 @deftypefn {Built-in Function} {} argnames (@var{fun})\n\ | |
| 837 Return a cell array of character strings containing the names of\n\ | |
| 838 the arguments of the inline function @var{fun}.\n\ | |
| 6529 | 839 @seealso{inline, formula, vectorize}\n\ |
| 5642 | 840 @end deftypefn") |
| 4933 | 841 { |
| 842 octave_value retval; | |
| 843 | |
| 844 int nargin = args.length (); | |
| 845 | |
| 846 if (nargin == 1) | |
| 847 { | |
| 848 octave_fcn_inline *fn = args(0).fcn_inline_value (true); | |
| 849 | |
| 850 if (fn) | |
| 851 { | |
| 852 string_vector t1 = fn->fcn_arg_names (); | |
| 853 | |
| 854 Cell t2 (dim_vector (t1.length (), 1)); | |
| 855 | |
| 856 for (int i = 0; i < t1.length (); i++) | |
| 857 t2(i) = t1(i); | |
| 858 | |
| 859 retval = t2; | |
| 860 } | |
| 861 else | |
| 862 error ("argnames: argument must be an inline function"); | |
| 863 } | |
| 864 else | |
| 5823 | 865 print_usage (); |
| 4933 | 866 |
| 867 return retval; | |
| 868 } | |
| 869 | |
| 870 DEFUN (vectorize, args, , | |
| 871 "-*- texinfo -*-\n\ | |
| 6635 | 872 @deftypefn {Built-in Function} {} vectorize (@var{fun})\n\ |
| 4933 | 873 Create a vectorized version of the inline function @var{fun}\n\ |
| 874 by replacing all occurrences of @code{*}, @code{/}, etc., with\n\ | |
| 875 @code{.*}, @code{./}, etc.\n\ | |
| 5642 | 876 @end deftypefn") |
| 4933 | 877 { |
| 878 octave_value retval; | |
| 879 | |
| 880 int nargin = args.length (); | |
| 881 | |
| 882 if (nargin == 1) | |
| 883 { | |
| 5409 | 884 std::string old_func; |
| 885 octave_fcn_inline* old = 0; | |
| 886 bool func_is_string = true; | |
| 4933 | 887 |
| 5409 | 888 if (args(0).is_string ()) |
| 889 old_func = args(0).string_value (); | |
| 890 else | |
| 4933 | 891 { |
| 5409 | 892 old = args(0).fcn_inline_value (true); |
| 893 func_is_string = false; | |
| 894 | |
| 895 if (old) | |
| 896 old_func = old->fcn_text (); | |
| 897 else | |
| 898 error ("vectorize: must be a string or inline function"); | |
| 899 } | |
| 900 | |
| 901 if (! error_state) | |
| 902 { | |
| 4933 | 903 std::string new_func; |
| 904 size_t i = 0; | |
| 905 | |
| 906 while (i < old_func.length ()) | |
| 907 { | |
| 908 std::string t1 = old_func.substr (i, 1); | |
| 909 | |
| 910 if (t1 == "*" || t1 == "/" || t1 == "\\" || t1 == "^") | |
| 911 { | |
| 912 if (i && old_func.substr (i-1, 1) != ".") | |
| 913 new_func.append ("."); | |
| 914 | |
| 915 // Special case for ** operator. | |
| 4973 | 916 if (t1 == "*" && i < (old_func.length () - 1) |
| 4933 | 917 && old_func.substr (i+1, 1) == "*") |
| 918 { | |
| 919 new_func.append ("*"); | |
| 920 i++; | |
| 921 } | |
| 922 } | |
| 923 new_func.append (t1); | |
| 924 i++; | |
| 925 } | |
| 926 | |
| 5409 | 927 if (func_is_string) |
| 928 retval = octave_value (new_func); | |
| 929 else | |
| 930 retval = octave_value (new octave_fcn_inline | |
| 931 (new_func, old->fcn_arg_names ())); | |
| 4933 | 932 } |
| 933 } | |
| 934 else | |
| 5823 | 935 print_usage (); |
| 4933 | 936 |
| 937 return retval; | |
| 938 } | |
| 939 | |
| 940 /* | |
| 941 ;;; Local Variables: *** | |
| 942 ;;; mode: C++ *** | |
| 943 ;;; End: *** | |
| 944 */ |