| 1 | # ---?--- |
| 2 | # |
| 3 | # $Id$ |
| 4 | # |
| 5 | # Field abstraction |
| 6 | # |
| 7 | # (c) 2001 Straylight/Edgeware |
| 8 | # |
| 9 | |
| 10 | #----- Licensing notice ----------------------------------------------------- |
| 11 | # |
| 12 | # This file is part of the Perl interface to Catacomb. |
| 13 | # |
| 14 | # Catacomb/Perl is free software; you can redistribute it and/or modify |
| 15 | # it under the terms of the GNU General Public License as published by |
| 16 | # the Free Software Foundation; either version 2 of the License, or |
| 17 | # (at your option) any later version. |
| 18 | # |
| 19 | # Catacomb/Perl is distributed in the hope that it will be useful, |
| 20 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 | # GNU General Public License for more details. |
| 23 | # |
| 24 | # You should have received a copy of the GNU General Public License |
| 25 | # along with Catacomb/Perl; if not, write to the Free Software Foundation, |
| 26 | # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 27 | |
| 28 | MODULE = Catacomb PACKAGE = Catacomb::Field PREFIX = field_ |
| 29 | |
| 30 | Field * |
| 31 | field_prime(me, p) |
| 32 | SV *me |
| 33 | mp *p |
| 34 | C_ARGS: |
| 35 | p |
| 36 | |
| 37 | Field * |
| 38 | field_niceprime(me, p) |
| 39 | SV *me |
| 40 | mp *p |
| 41 | C_ARGS: |
| 42 | p |
| 43 | |
| 44 | Field * |
| 45 | field_binpoly(me, p) |
| 46 | SV *me |
| 47 | gf *p |
| 48 | C_ARGS: |
| 49 | p |
| 50 | |
| 51 | Field * |
| 52 | field_binnorm(me, p, beta) |
| 53 | SV *me |
| 54 | gf *p |
| 55 | gf *beta |
| 56 | C_ARGS: |
| 57 | p, beta |
| 58 | |
| 59 | Field * |
| 60 | byname(me, str) |
| 61 | SV *me |
| 62 | char *str |
| 63 | PREINIT: |
| 64 | qd_parse qd; |
| 65 | CODE: |
| 66 | qd.e = 0; |
| 67 | qd.p = str; |
| 68 | if ((RETVAL = field_parse(&qd)) == 0) |
| 69 | croak("bad field spec: %s", qd.e); |
| 70 | else if (!qd_eofp(&qd)) { |
| 71 | F_DESTROY(RETVAL); |
| 72 | croak("junk at end of field spec"); |
| 73 | } |
| 74 | OUTPUT: |
| 75 | RETVAL |
| 76 | |
| 77 | SV * |
| 78 | DESTROY(f) |
| 79 | Field *f |
| 80 | CODE: |
| 81 | F_DESTROY(f); |
| 82 | XSRETURN_YES; |
| 83 | |
| 84 | char * |
| 85 | name(f) |
| 86 | Field *f |
| 87 | CODE: |
| 88 | RETVAL = (char *)F_NAME(f); |
| 89 | OUTPUT: |
| 90 | RETVAL |
| 91 | |
| 92 | UV |
| 93 | type(f) |
| 94 | Field *f |
| 95 | CODE: |
| 96 | RETVAL = F_TYPE(f); |
| 97 | OUTPUT: |
| 98 | RETVAL |
| 99 | |
| 100 | mp * |
| 101 | zero(f) |
| 102 | Field *f |
| 103 | CODE: |
| 104 | RETVAL = MP_COPY(f->zero); |
| 105 | OUTPUT: |
| 106 | RETVAL |
| 107 | |
| 108 | mp * |
| 109 | one(f) |
| 110 | Field *f |
| 111 | CODE: |
| 112 | RETVAL = MP_COPY(f->one); |
| 113 | OUTPUT: |
| 114 | RETVAL |
| 115 | |
| 116 | mp * |
| 117 | m(f) |
| 118 | Field *f |
| 119 | CODE: |
| 120 | RETVAL = MP_COPY(f->m); |
| 121 | OUTPUT: |
| 122 | RETVAL |
| 123 | |
| 124 | UV |
| 125 | nbits(f) |
| 126 | Field *f |
| 127 | CODE: |
| 128 | RETVAL = f->nbits; |
| 129 | OUTPUT: |
| 130 | RETVAL |
| 131 | |
| 132 | UV |
| 133 | noctets(f) |
| 134 | Field *f |
| 135 | CODE: |
| 136 | RETVAL = f->noctets; |
| 137 | OUTPUT: |
| 138 | RETVAL |
| 139 | |
| 140 | mp * |
| 141 | rand(f, r = &rand_global) |
| 142 | Field *f |
| 143 | grand *r |
| 144 | CODE: |
| 145 | RETVAL = F_RAND(f, MP_NEW, r); |
| 146 | OUTPUT: |
| 147 | RETVAL |
| 148 | |
| 149 | bool |
| 150 | samep(f, ff) |
| 151 | Field *f |
| 152 | Field *ff |
| 153 | CODE: |
| 154 | RETVAL = F_SAMEP(f, ff); |
| 155 | OUTPUT: |
| 156 | RETVAL |
| 157 | |
| 158 | mp * |
| 159 | in(f, x) |
| 160 | Field *f |
| 161 | mp *x |
| 162 | CODE: |
| 163 | RETVAL = F_IN(f, MP_NEW, x); |
| 164 | OUTPUT: |
| 165 | RETVAL |
| 166 | |
| 167 | mp * |
| 168 | out(f, x) |
| 169 | Field *f |
| 170 | mp *x |
| 171 | CODE: |
| 172 | RETVAL = F_OUT(f, MP_NEW, x); |
| 173 | OUTPUT: |
| 174 | RETVAL |
| 175 | |
| 176 | bool |
| 177 | zerop(f, x) |
| 178 | Field *f |
| 179 | mp *x |
| 180 | CODE: |
| 181 | RETVAL = F_ZEROP(f, x); |
| 182 | OUTPUT: |
| 183 | RETVAL |
| 184 | |
| 185 | mp * |
| 186 | neg(f, x) |
| 187 | Field *f |
| 188 | mp *x |
| 189 | CODE: |
| 190 | RETVAL = F_NEG(f, MP_NEW, x); |
| 191 | OUTPUT: |
| 192 | RETVAL |
| 193 | |
| 194 | mp * |
| 195 | add(f, x, y) |
| 196 | Field *f |
| 197 | mp *x |
| 198 | mp *y |
| 199 | CODE: |
| 200 | RETVAL = F_ADD(f, MP_NEW, x, y); |
| 201 | OUTPUT: |
| 202 | RETVAL |
| 203 | |
| 204 | mp * |
| 205 | sub(f, x, y) |
| 206 | Field *f |
| 207 | mp *x |
| 208 | mp *y |
| 209 | CODE: |
| 210 | RETVAL = F_SUB(f, MP_NEW, x, y); |
| 211 | OUTPUT: |
| 212 | RETVAL |
| 213 | |
| 214 | mp * |
| 215 | mul(f, x, y) |
| 216 | Field *f |
| 217 | mp *x |
| 218 | mp *y |
| 219 | CODE: |
| 220 | RETVAL = F_MUL(f, MP_NEW, x, y); |
| 221 | OUTPUT: |
| 222 | RETVAL |
| 223 | |
| 224 | mp * |
| 225 | sqr(f, x) |
| 226 | Field *f |
| 227 | mp *x |
| 228 | CODE: |
| 229 | RETVAL = F_SQR(f, MP_NEW, x); |
| 230 | OUTPUT: |
| 231 | RETVAL |
| 232 | |
| 233 | mp * |
| 234 | inv(f, x) |
| 235 | Field *f |
| 236 | mp *x |
| 237 | CODE: |
| 238 | RETVAL = F_INV(f, MP_NEW, x); |
| 239 | OUTPUT: |
| 240 | RETVAL |
| 241 | |
| 242 | mp * |
| 243 | reduce(f, x) |
| 244 | Field *f |
| 245 | mp *x |
| 246 | CODE: |
| 247 | RETVAL = F_REDUCE(f, MP_NEW, x); |
| 248 | OUTPUT: |
| 249 | RETVAL |
| 250 | |
| 251 | mp * |
| 252 | sqrt(f, x) |
| 253 | Field *f |
| 254 | mp *x |
| 255 | CODE: |
| 256 | RETVAL = F_SQRT(f, MP_NEW, x); |
| 257 | OUTPUT: |
| 258 | RETVAL |
| 259 | |
| 260 | mp * |
| 261 | quadsolve(f, x) |
| 262 | Field *f |
| 263 | mp *x |
| 264 | CODE: |
| 265 | if (F_TYPE(f) != FTY_BINARY) |
| 266 | croak("quadsolve only works on binary fields"); |
| 267 | RETVAL = F_QUADSOLVE(f, MP_NEW, x); |
| 268 | OUTPUT: |
| 269 | RETVAL |
| 270 | |
| 271 | mp * |
| 272 | dbl(f, x) |
| 273 | Field *f |
| 274 | mp *x |
| 275 | CODE: |
| 276 | if (F_TYPE(f) != FTY_PRIME) |
| 277 | croak("dbl only works on prime fields"); |
| 278 | RETVAL = F_DBL(f, MP_NEW, x); |
| 279 | OUTPUT: |
| 280 | RETVAL |
| 281 | |
| 282 | mp * |
| 283 | tpl(f, x) |
| 284 | Field *f |
| 285 | mp *x |
| 286 | CODE: |
| 287 | if (F_TYPE(f) != FTY_PRIME) |
| 288 | croak("tpl only works on prime fields"); |
| 289 | RETVAL = F_TPL(f, MP_NEW, x); |
| 290 | OUTPUT: |
| 291 | RETVAL |
| 292 | |
| 293 | mp * |
| 294 | qdl(f, x) |
| 295 | Field *f |
| 296 | mp *x |
| 297 | CODE: |
| 298 | if (F_TYPE(f) != FTY_PRIME) |
| 299 | croak("qdl only works on prime fields"); |
| 300 | RETVAL = F_QDL(f, MP_NEW, x); |
| 301 | OUTPUT: |
| 302 | RETVAL |
| 303 | |
| 304 | mp * |
| 305 | hlv(f, x) |
| 306 | Field *f |
| 307 | mp *x |
| 308 | CODE: |
| 309 | if (F_TYPE(f) != FTY_PRIME) |
| 310 | croak("hlv only works on prime fields"); |
| 311 | RETVAL = F_HLV(f, MP_NEW, x); |
| 312 | OUTPUT: |
| 313 | RETVAL |
| 314 | |