Mercurial > hg > octave-lyh
annotate liboctave/oct-group.cc @ 13061:addfc0ae69c0
Make bicgstab interface more compatible
* bicgstab.m: Add the possibility to pass a function
handle for the coefficient matrix. Also add more tests.
| author | Carlo de Falco <kingcrimson@tiscali.it> |
|---|---|
| date | Sat, 03 Sep 2011 20:06:30 +0200 |
| parents | fd0a3ac60b0e |
| children | 72c96de7a403 |
| rev | line source |
|---|---|
| 2937 | 1 /* |
| 2 | |
| 11523 | 3 Copyright (C) 1996-2011 John W. Eaton |
| 2937 | 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. | |
| 2937 | 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/>. | |
| 2937 | 20 |
| 21 */ | |
| 22 | |
| 23 #ifdef HAVE_CONFIG_H | |
| 24 #include <config.h> | |
| 25 #endif | |
| 26 | |
| 27 #include <sys/types.h> | |
| 28 | |
| 29 #ifdef HAVE_GRP_H | |
| 30 #include <grp.h> | |
| 31 #endif | |
| 32 | |
| 33 #include "lo-error.h" | |
| 34 #include "oct-group.h" | |
| 35 #include "str-vec.h" | |
| 36 | |
| 37 #define NOT_SUPPORTED(nm) \ | |
| 4062 | 38 nm ": not supported on this system" |
| 2937 | 39 |
| 3504 | 40 std::string |
| 2937 | 41 octave_group::name (void) const |
| 42 { | |
| 43 if (! ok ()) | |
| 44 gripe_invalid (); | |
| 45 | |
| 46 return gr_name; | |
| 47 } | |
| 48 | |
| 3504 | 49 std::string |
| 2937 | 50 octave_group::passwd (void) const |
| 51 { | |
| 52 if (! ok ()) | |
| 53 gripe_invalid (); | |
| 54 | |
| 55 return gr_passwd; | |
| 56 } | |
| 57 | |
| 58 gid_t | |
| 59 octave_group::gid (void) const | |
| 60 { | |
| 61 if (! ok ()) | |
| 62 gripe_invalid (); | |
| 63 | |
| 64 return gr_gid; | |
| 65 } | |
| 66 | |
| 67 string_vector | |
| 68 octave_group::mem (void) const | |
| 69 { | |
| 70 if (! ok ()) | |
| 71 gripe_invalid (); | |
| 72 | |
| 73 return gr_mem; | |
| 74 } | |
| 75 | |
| 76 octave_group | |
| 77 octave_group::getgrent (void) | |
| 78 { | |
| 3504 | 79 std::string msg; |
| 2937 | 80 return getgrent (msg); |
| 81 } | |
| 82 | |
| 83 octave_group | |
| 3504 | 84 octave_group::getgrent (std::string& msg) |
| 2937 | 85 { |
| 86 #if defined (HAVE_GETGRENT) | |
| 3504 | 87 msg = std::string (); |
| 2937 | 88 return octave_group (::getgrent (), msg); |
| 89 #else | |
| 90 msg = NOT_SUPPORTED ("getgrent"); | |
| 91 return octave_group (); | |
| 92 #endif | |
| 93 } | |
| 94 | |
| 95 octave_group | |
| 96 octave_group::getgrgid (gid_t gid) | |
| 97 { | |
| 3504 | 98 std::string msg; |
| 2937 | 99 return getgrgid (gid, msg); |
| 100 } | |
| 101 | |
| 102 octave_group | |
| 3504 | 103 octave_group::getgrgid (gid_t gid, std::string& msg) |
| 2937 | 104 { |
| 105 #if defined (HAVE_GETGRGID) | |
| 3504 | 106 msg = std::string (); |
| 2937 | 107 return octave_group (::getgrgid (gid), msg); |
| 108 #else | |
| 109 msg = NOT_SUPPORTED ("getgruid"); | |
| 110 return octave_group (); | |
| 111 #endif | |
| 112 } | |
| 113 | |
| 114 octave_group | |
| 3504 | 115 octave_group::getgrnam (const std::string& nm) |
| 2937 | 116 { |
| 3504 | 117 std::string msg; |
| 4663 | 118 return getgrnam (nm, msg); |
| 2937 | 119 } |
| 120 | |
| 121 octave_group | |
| 3504 | 122 octave_group::getgrnam (const std::string& nm, std::string& msg) |
| 2937 | 123 { |
| 124 #if defined (HAVE_GETGRNAM) | |
| 3504 | 125 msg = std::string (); |
| 2937 | 126 return octave_group (::getgrnam (nm.c_str ()), msg); |
| 127 #else | |
| 128 msg = NOT_SUPPORTED ("getgrnam"); | |
| 129 return octave_group (); | |
| 130 #endif | |
| 131 } | |
| 132 | |
| 133 int | |
| 134 octave_group::setgrent (void) | |
| 135 { | |
| 3504 | 136 std::string msg; |
| 2937 | 137 return setgrent (msg); |
| 138 } | |
| 139 | |
| 140 int | |
| 3504 | 141 octave_group::setgrent (std::string& msg) |
| 2937 | 142 { |
| 143 #if defined (HAVE_SETGRENT) | |
| 3504 | 144 msg = std::string (); |
| 2937 | 145 ::setgrent (); |
| 146 return 0; | |
| 147 #else | |
| 148 msg = NOT_SUPPORTED ("setgrent"); | |
| 149 return -1; | |
| 150 #endif | |
| 151 } | |
| 152 | |
| 153 int | |
| 154 octave_group::endgrent (void) | |
| 155 { | |
| 3504 | 156 std::string msg; |
| 2937 | 157 return endgrent (msg); |
| 158 } | |
| 159 | |
| 160 int | |
| 3504 | 161 octave_group::endgrent (std::string& msg) |
| 2937 | 162 { |
| 163 #if defined (HAVE_ENDGRENT) | |
| 3504 | 164 msg = std::string (); |
| 2937 | 165 ::endgrent (); |
| 166 return 0; | |
| 167 #else | |
| 168 msg = NOT_SUPPORTED ("endgrent"); | |
| 169 return -1; | |
| 170 #endif | |
| 171 } | |
| 172 | |
| 3504 | 173 octave_group::octave_group (void *p, std::string& msg) |
| 2937 | 174 : gr_name (), gr_passwd (), gr_gid (0), gr_mem (), valid (false) |
| 175 { | |
| 176 #if defined (HAVE_GRP_H) | |
| 3504 | 177 msg = std::string (); |
| 2937 | 178 |
| 179 if (p) | |
| 180 { | |
| 181 struct group *gr = static_cast<struct group *> (p); | |
| 182 | |
| 183 gr_name = gr->gr_name; | |
| 184 | |
| 185 #if defined (HAVE_GR_PASSWD) | |
| 186 gr_passwd = gr->gr_passwd; | |
| 187 #endif | |
| 188 | |
| 4076 | 189 gr_gid = gr->gr_gid; |
| 190 | |
| 5775 | 191 // FIXME -- maybe there should be a string_vector |
| 7520 | 192 // constructor that takes a NUL terminated list of C |
| 2937 | 193 // strings. |
| 194 | |
| 195 const char * const *tmp = gr->gr_mem; | |
| 196 | |
| 197 int k = 0; | |
| 198 while (*tmp++) | |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
199 k++; |
| 2937 | 200 |
| 201 if (k > 0) | |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
202 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
203 tmp = gr->gr_mem; |
| 2937 | 204 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
205 gr_mem.resize (k); |
| 2937 | 206 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
207 for (int i = 0; i < k; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
208 gr_mem[i] = tmp[i]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
209 } |
| 2937 | 210 |
| 211 valid = true; | |
| 212 } | |
| 213 #else | |
| 214 msg = NOT_SUPPORTED ("group functions"); | |
| 215 #endif | |
| 216 } | |
| 217 | |
| 218 void | |
| 219 octave_group::gripe_invalid (void) const | |
| 220 { | |
| 221 (*current_liboctave_error_handler) ("invalid group object"); | |
| 222 } |