Mercurial > hg > octave-nkf
annotate libinterp/corefcn/ls-oct-text.cc @ 20830:b65888ec820e draft default tip gccjit
dmalcom gcc jit import
| author | Stefan Mahr <dac922@gmx.de> |
|---|---|
| date | Fri, 27 Feb 2015 16:59:36 +0100 |
| parents | c6224b4e7774 |
| children |
| rev | line source |
|---|---|
| 4634 | 1 /* |
| 2 | |
|
19898
4197fc428c7d
maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3 Copyright (C) 1996-2015 John W. Eaton |
| 4634 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 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 | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 4634 | 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. | |
| 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/>. | |
| 4634 | 20 |
| 21 */ | |
| 22 | |
| 23 // Author: John W. Eaton. | |
| 24 | |
| 25 #ifdef HAVE_CONFIG_H | |
| 26 #include <config.h> | |
| 27 #endif | |
| 28 | |
| 29 #include <cstring> | |
| 30 #include <cctype> | |
| 31 | |
| 32 #include <fstream> | |
| 33 #include <iomanip> | |
| 34 #include <iostream> | |
| 5765 | 35 #include <sstream> |
| 4634 | 36 #include <string> |
| 37 | |
| 38 #include "byte-swap.h" | |
| 39 #include "data-conv.h" | |
| 40 #include "file-ops.h" | |
| 41 #include "glob-match.h" | |
| 42 #include "lo-mappers.h" | |
| 43 #include "mach-info.h" | |
| 44 #include "oct-env.h" | |
| 45 #include "oct-time.h" | |
| 46 #include "quit.h" | |
| 47 #include "str-vec.h" | |
| 48 | |
| 49 #include "Cell.h" | |
| 50 #include "defun.h" | |
| 51 #include "error.h" | |
| 52 #include "gripes.h" | |
| 53 #include "load-save.h" | |
|
8946
e7e928088e90
fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
8920
diff
changeset
|
54 #include "ls-ascii-helper.h" |
|
20657
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20638
diff
changeset
|
55 #include "ls-oct-text.h" |
| 4634 | 56 #include "oct-obj.h" |
| 57 #include "oct-map.h" | |
| 58 #include "ov-cell.h" | |
| 59 #include "pager.h" | |
| 60 #include "pt-exp.h" | |
| 61 #include "unwind-prot.h" | |
| 62 #include "utils.h" | |
| 63 #include "variables.h" | |
| 64 #include "version.h" | |
| 65 #include "dMatrix.h" | |
| 66 | |
| 67 // The number of decimal digits to use when writing ascii data. | |
| 5951 | 68 static int Vsave_precision = 16; |
| 4634 | 69 |
|
20657
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20638
diff
changeset
|
70 // Functions for reading octave format text data. |
| 4634 | 71 |
| 72 // Extract a KEYWORD and its value from stream IS, returning the | |
| 73 // associated value in a new string. | |
| 74 // | |
| 75 // Input should look something like: | |
| 76 // | |
| 77 // [%#][ \t]*keyword[ \t]*:[ \t]*string-value[ \t]*\n | |
| 78 | |
| 79 std::string | |
| 4687 | 80 extract_keyword (std::istream& is, const char *keyword, const bool next_only) |
| 4634 | 81 { |
| 82 std::string retval; | |
| 83 | |
|
7744
14b841c47a5f
handle load/save for handles to built-in functions
John W. Eaton <jwe@octave.org>
parents:
7336
diff
changeset
|
84 int ch = is.peek (); |
|
14b841c47a5f
handle load/save for handles to built-in functions
John W. Eaton <jwe@octave.org>
parents:
7336
diff
changeset
|
85 if (next_only && ch != '%' && ch != '#') |
|
14b841c47a5f
handle load/save for handles to built-in functions
John W. Eaton <jwe@octave.org>
parents:
7336
diff
changeset
|
86 return retval; |
|
14b841c47a5f
handle load/save for handles to built-in functions
John W. Eaton <jwe@octave.org>
parents:
7336
diff
changeset
|
87 |
| 4634 | 88 char c; |
| 89 while (is.get (c)) | |
| 90 { | |
| 91 if (c == '%' || c == '#') | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
92 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
93 std::ostringstream buf; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
94 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
95 while (is.get (c) && (c == ' ' || c == '\t' || c == '%' || c == '#')) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
96 ; // Skip whitespace and comment characters. |
| 4634 | 97 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
98 if (isalpha (c)) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
99 buf << c; |
| 4634 | 100 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
101 while (is.get (c) && isalpha (c)) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
102 buf << c; |
| 4634 | 103 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
104 std::string tmp = buf.str (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
105 bool match = (tmp.compare (0, strlen (keyword), keyword) == 0); |
| 4634 | 106 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
107 if (match) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
108 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
109 std::ostringstream value; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
110 while (is.get (c) && (c == ' ' || c == '\t' || c == ':')) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
111 ; // Skip whitespace and the colon. |
| 4634 | 112 |
|
14861
f7afecdd87ef
maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
113 is.putback (c); |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
114 retval = read_until_newline (is, false); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
115 break; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
116 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
117 else if (next_only) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
118 break; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
119 else |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
120 skip_until_newline (is, false); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
121 } |
| 4634 | 122 } |
| 123 | |
| 124 int len = retval.length (); | |
| 125 | |
| 126 if (len > 0) | |
| 127 { | |
| 128 while (len) | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
129 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
130 c = retval[len-1]; |
| 4634 | 131 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
132 if (c == ' ' || c == '\t') |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
133 len--; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
134 else |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
135 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
136 retval.resize (len); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
137 break; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
138 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
139 } |
| 4634 | 140 } |
| 141 | |
| 142 return retval; | |
| 143 } | |
| 144 | |
| 145 // Extract one value (scalar, matrix, string, etc.) from stream IS and | |
| 146 // place it in TC, returning the name of the variable. If the value | |
| 147 // is tagged as global in the file, return TRUE in GLOBAL. | |
| 148 // | |
| 4687 | 149 // Each type supplies its own function to load the data, and so this |
| 150 // function is extensible. | |
| 151 // | |
| 4634 | 152 // FILENAME is used for error messages. |
| 153 // | |
| 154 // The data is expected to be in the following format: | |
| 155 // | |
| 156 // The input file must have a header followed by some data. | |
| 157 // | |
|
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
158 // All lines in the header must begin with a '#' character. |
| 4634 | 159 // |
| 160 // The header must contain a list of keyword and value pairs with the | |
| 161 // keyword and value separated by a colon. | |
| 162 // | |
| 163 // Keywords must appear in the following order: | |
| 164 // | |
| 165 // # name: <name> | |
| 166 // # type: <type> | |
| 167 // # <info> | |
| 168 // | |
| 4687 | 169 // Where, for the built in types are: |
| 4634 | 170 // |
| 171 // <name> : a valid identifier | |
| 172 // | |
| 173 // <type> : <typename> | |
| 174 // | global <typename> | |
| 175 // | |
| 176 // <typename> : scalar | |
| 177 // | complex scalar | |
| 178 // | matrix | |
| 179 // | complex matrix | |
| 4687 | 180 // | bool |
| 181 // | bool matrix | |
| 4634 | 182 // | string |
| 183 // | range | |
| 184 // | |
| 185 // <info> : <matrix info> | |
| 186 // | <string info> | |
| 187 // | |
| 188 // <matrix info> : # rows: <integer> | |
| 189 // : # columns: <integer> | |
| 190 // | |
| 4687 | 191 // <string info> : # elements: <integer> |
| 192 // : # length: <integer> (once before each string) | |
| 4634 | 193 // |
| 4687 | 194 // For backward compatibility the type "string array" is treated as a |
| 195 // "string" type. Also "string" can have a single element with no elements | |
| 196 // line such that | |
| 197 // | |
| 198 // <string info> : # length: <integer> | |
| 4634 | 199 // |
| 200 // Formatted ASCII data follows the header. | |
| 201 // | |
| 202 // Example: | |
| 203 // | |
| 204 // # name: foo | |
| 205 // # type: matrix | |
| 206 // # rows: 2 | |
| 207 // # columns: 2 | |
| 208 // 2 4 | |
| 209 // 1 3 | |
| 210 // | |
| 211 // Example: | |
| 212 // | |
| 213 // # name: foo | |
| 4687 | 214 // # type: string |
| 4634 | 215 // # elements: 5 |
| 216 // # length: 4 | |
| 217 // this | |
| 218 // # length: 2 | |
| 219 // is | |
| 220 // # length: 1 | |
| 221 // a | |
| 222 // # length: 6 | |
| 223 // string | |
| 224 // # length: 5 | |
| 225 // array | |
| 226 // | |
|
20657
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20638
diff
changeset
|
227 // FIXME: This format is fairly rigid, and doesn't allow for arbitrary comments. |
|
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20638
diff
changeset
|
228 // Someone should fix that. It does allow arbitrary types however. |
| 4634 | 229 |
| 230 // Ugh. The signature of the compare method is not standard in older | |
| 231 // versions of the GNU libstdc++. Do this instead: | |
| 232 | |
| 233 #define SUBSTRING_COMPARE_EQ(s, pos, n, t) (s.substr (pos, n) == t) | |
| 234 | |
| 235 std::string | |
|
20657
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20638
diff
changeset
|
236 read_text_data (std::istream& is, const std::string& filename, bool& global, |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
237 octave_value& tc, octave_idx_type count) |
| 4634 | 238 { |
| 239 // Read name for this entry or break on EOF. | |
| 240 | |
| 241 std::string name = extract_keyword (is, "name"); | |
| 242 | |
| 243 if (name.empty ()) | |
| 244 { | |
| 245 if (count == 0) | |
|
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
246 error ("load: empty name keyword or no data found in file '%s'", |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
247 filename.c_str ()); |
| 4634 | 248 |
| 249 return std::string (); | |
| 250 } | |
| 251 | |
|
7744
14b841c47a5f
handle load/save for handles to built-in functions
John W. Eaton <jwe@octave.org>
parents:
7336
diff
changeset
|
252 if (! (name == ".nargin." || name == ".nargout." |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
253 || name == CELL_ELT_TAG || valid_identifier (name))) |
| 4634 | 254 { |
|
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
255 error ("load: bogus identifier '%s' found in file '%s'", |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
256 name.c_str (), filename.c_str ()); |
| 4634 | 257 return std::string (); |
| 258 } | |
| 259 | |
| 260 // Look for type keyword. | |
| 261 | |
| 262 std::string tag = extract_keyword (is, "type"); | |
| 263 | |
| 264 if (! tag.empty ()) | |
| 265 { | |
| 266 std::string typ; | |
| 267 size_t pos = tag.rfind (' '); | |
| 268 | |
| 8021 | 269 if (pos != std::string::npos) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
270 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
271 global = SUBSTRING_COMPARE_EQ (tag, 0, 6, "global"); |
| 4634 | 272 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
273 typ = global ? tag.substr (7) : tag; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
274 } |
| 4634 | 275 else |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
276 typ = tag; |
| 4634 | 277 |
| 4687 | 278 // Special case for backward compatiablity. A small bit of cruft |
| 279 if (SUBSTRING_COMPARE_EQ (typ, 0, 12, "string array")) | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
280 tc = charMatrix (); |
| 4687 | 281 else |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
282 tc = octave_value_typeinfo::lookup_type (typ); |
| 4634 | 283 |
| 4988 | 284 if (! tc.load_ascii (is)) |
|
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
285 error ("load: trouble reading ascii file '%s'", filename.c_str ()); |
| 4634 | 286 } |
| 287 else | |
| 288 error ("load: failed to extract keyword specifying value type"); | |
| 289 | |
| 290 if (error_state) | |
| 291 { | |
| 292 error ("load: reading file %s", filename.c_str ()); | |
| 293 return std::string (); | |
| 294 } | |
| 295 | |
| 296 return name; | |
| 297 } | |
| 298 | |
| 299 // Save the data from TC along with the corresponding NAME, and global | |
| 300 // flag MARK_AS_GLOBAL on stream OS in the plain text format described | |
|
20657
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20638
diff
changeset
|
301 // above for load_text_data. If NAME is empty, the name: line is not |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
302 // generated. PRECISION specifies the number of decimal digits to print. |
| 4634 | 303 // |
| 304 // Assumes ranges and strings cannot contain Inf or NaN values. | |
| 305 // | |
| 306 // Returns 1 for success and 0 for failure. | |
| 307 | |
|
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
308 // FIXME: should probably write the help string here too. |
| 4634 | 309 |
| 310 bool | |
|
20657
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20638
diff
changeset
|
311 save_text_data (std::ostream& os, const octave_value& val_arg, |
|
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20638
diff
changeset
|
312 const std::string& name, bool mark_as_global, |
|
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20638
diff
changeset
|
313 int precision) |
| 4634 | 314 { |
| 315 bool success = true; | |
| 316 | |
| 317 if (! name.empty ()) | |
| 318 os << "# name: " << name << "\n"; | |
| 319 | |
| 320 octave_value val = val_arg; | |
| 321 | |
| 4687 | 322 if (mark_as_global) |
| 323 os << "# type: global " << val.type_name () << "\n"; | |
| 324 else | |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
325 os << "# type: " << val.type_name () << "\n"; |
| 4634 | 326 |
| 5951 | 327 if (! precision) |
| 328 precision = Vsave_precision; | |
| 329 | |
| 330 long old_precision = os.precision (); | |
| 331 os.precision (precision); | |
| 332 | |
| 6974 | 333 success = val.save_ascii (os); |
| 4634 | 334 |
|
10417
ad29dbbc3f70
save: make that two newline characters
John W. Eaton <jwe@octave.org>
parents:
10416
diff
changeset
|
335 // Insert an extra pair of newline characters after the data so that |
|
ad29dbbc3f70
save: make that two newline characters
John W. Eaton <jwe@octave.org>
parents:
10416
diff
changeset
|
336 // multiple data elements may be handled separately by gnuplot (see |
|
ad29dbbc3f70
save: make that two newline characters
John W. Eaton <jwe@octave.org>
parents:
10416
diff
changeset
|
337 // the description of the index qualifier for the plot command in the |
|
ad29dbbc3f70
save: make that two newline characters
John W. Eaton <jwe@octave.org>
parents:
10416
diff
changeset
|
338 // gnuplot documentation). |
|
ad29dbbc3f70
save: make that two newline characters
John W. Eaton <jwe@octave.org>
parents:
10416
diff
changeset
|
339 os << "\n\n"; |
|
10416
f06ede00fd8f
save: separate variables by blank line in Octave text format files
John W. Eaton <jwe@octave.org>
parents:
10315
diff
changeset
|
340 |
| 4634 | 341 os.precision (old_precision); |
| 342 | |
| 343 return (os && success); | |
| 344 } | |
| 345 | |
| 346 bool | |
|
20657
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20638
diff
changeset
|
347 save_text_data_for_plotting (std::ostream& os, const octave_value& t, |
|
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20638
diff
changeset
|
348 const std::string& name) |
| 4634 | 349 { |
|
20657
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20638
diff
changeset
|
350 return save_text_data (os, t, name, false, 6); |
| 4634 | 351 } |
| 352 | |
| 353 // Maybe this should be a static function in tree-plot.cc? | |
| 354 | |
| 355 // If TC is matrix, save it on stream OS in a format useful for | |
| 356 // making a 3-dimensional plot with gnuplot. If PARAMETRIC is | |
| 357 // TRUE, assume a parametric 3-dimensional plot will be generated. | |
| 358 | |
| 359 bool | |
| 360 save_three_d (std::ostream& os, const octave_value& tc, bool parametric) | |
| 361 { | |
| 362 bool fail = false; | |
| 363 | |
| 5275 | 364 octave_idx_type nr = tc.rows (); |
| 365 octave_idx_type nc = tc.columns (); | |
| 4634 | 366 |
| 367 if (tc.is_real_matrix ()) | |
| 368 { | |
| 17199 | 369 os << "# 3-D data...\n" |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
370 << "# type: matrix\n" |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
371 << "# total rows: " << nr << "\n" |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
372 << "# total columns: " << nc << "\n"; |
| 4634 | 373 |
| 6171 | 374 long old_precision = os.precision (); |
| 6257 | 375 os.precision (6); |
| 6171 | 376 |
| 4634 | 377 if (parametric) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
378 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
379 octave_idx_type extras = nc % 3; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
380 if (extras) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
381 warning ("ignoring last %d columns", extras); |
| 4634 | 382 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
383 Matrix tmp = tc.matrix_value (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
384 nr = tmp.rows (); |
| 4634 | 385 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
386 for (octave_idx_type i = 0; i < nc-extras; i += 3) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
387 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
388 os << tmp.extract (0, i, nr-1, i+2); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
389 if (i+3 < nc-extras) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
390 os << "\n"; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
391 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
392 } |
| 4634 | 393 else |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
394 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
395 Matrix tmp = tc.matrix_value (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
396 nr = tmp.rows (); |
| 4634 | 397 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
398 for (octave_idx_type i = 0; i < nc; i++) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
399 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
400 os << tmp.extract (0, i, nr-1, i); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
401 if (i+1 < nc) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
402 os << "\n"; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
403 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
404 } |
| 6171 | 405 |
| 406 os.precision (old_precision); | |
| 4634 | 407 } |
| 408 else | |
| 409 { | |
|
20638
7ac907da9fba
Use error() rather than ::error() unless explicitly required.
Rik <rik@octave.org>
parents:
20382
diff
changeset
|
410 error ("for now, I can only save real matrices in 3-D format"); |
| 4634 | 411 fail = true; |
| 412 } | |
| 413 | |
| 414 return (os && ! fail); | |
| 415 } | |
| 416 | |
| 5794 | 417 DEFUN (save_precision, args, nargout, |
|
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
418 "-*- texinfo -*-\n\ |
| 10840 | 419 @deftypefn {Built-in Function} {@var{val} =} save_precision ()\n\ |
| 5794 | 420 @deftypefnx {Built-in Function} {@var{old_val} =} save_precision (@var{new_val})\n\ |
|
13951
79aa00a94e9e
doc: Document "local" option for configuration variables.
Rik <octave@nomad.inbox5.com>
parents:
11586
diff
changeset
|
421 @deftypefnx {Built-in Function} {} save_precision (@var{new_val}, \"local\")\n\ |
|
20382
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19898
diff
changeset
|
422 Query or set the internal variable that specifies the number of digits to\n\ |
|
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19898
diff
changeset
|
423 keep when saving data in text format.\n\ |
|
13951
79aa00a94e9e
doc: Document "local" option for configuration variables.
Rik <octave@nomad.inbox5.com>
parents:
11586
diff
changeset
|
424 \n\ |
|
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17199
diff
changeset
|
425 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
|
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17199
diff
changeset
|
426 variable is changed locally for the function and any subroutines it calls.\n\ |
|
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17199
diff
changeset
|
427 The original variable value is restored when exiting the function.\n\ |
| 5794 | 428 @end deftypefn") |
| 4634 | 429 { |
|
15215
9020dddc925a
use std::numeric_limits for integer max and min values
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
430 return SET_INTERNAL_VARIABLE_WITH_LIMITS (save_precision, -1, |
|
9020dddc925a
use std::numeric_limits for integer max and min values
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
431 std::numeric_limits<int>::max ()); |
| 4634 | 432 } |