| 1 | # ---?--- |
| 2 | # |
| 3 | # $Id$ |
| 4 | # |
| 5 | # Multiprecision interface |
| 6 | # |
| 7 | # (c) 2000 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 | |
| 29 | MODULE = Catacomb PACKAGE = Catacomb::MP PREFIX = mp_ |
| 30 | |
| 31 | mp * |
| 32 | new(me, sv = 0, radix = 0) |
| 33 | SV *me |
| 34 | SV *sv |
| 35 | int radix |
| 36 | CODE: |
| 37 | RETVAL = sv ? mp_fromsv(sv, "sv", radix, 1) : MP_ZERO; |
| 38 | OUTPUT: |
| 39 | RETVAL |
| 40 | |
| 41 | mp * |
| 42 | copy(x) |
| 43 | mp *x |
| 44 | CODE: |
| 45 | RETVAL = MP_COPY(x); |
| 46 | OUTPUT: |
| 47 | RETVAL |
| 48 | |
| 49 | mp * |
| 50 | loadb(me, sv) |
| 51 | SV *me |
| 52 | SV *sv |
| 53 | PREINIT: |
| 54 | char *p; |
| 55 | STRLEN len; |
| 56 | CODE: |
| 57 | p = SvPV(sv, len); |
| 58 | RETVAL = mp_loadb(MP_NEW, p, len); |
| 59 | OUTPUT: |
| 60 | RETVAL |
| 61 | |
| 62 | mp * |
| 63 | loadl(me, sv) |
| 64 | SV *me |
| 65 | SV *sv |
| 66 | PREINIT: |
| 67 | char *p; |
| 68 | STRLEN len; |
| 69 | CODE: |
| 70 | p = SvPV(sv, len); |
| 71 | RETVAL = mp_loadl(MP_NEW, p, len); |
| 72 | OUTPUT: |
| 73 | RETVAL |
| 74 | |
| 75 | mp * |
| 76 | loadb2c(me, sv) |
| 77 | SV *me |
| 78 | SV *sv |
| 79 | PREINIT: |
| 80 | char *p; |
| 81 | STRLEN len; |
| 82 | CODE: |
| 83 | p = SvPV(sv, len); |
| 84 | RETVAL = mp_loadb2c(MP_NEW, p, len); |
| 85 | OUTPUT: |
| 86 | RETVAL |
| 87 | |
| 88 | mp * |
| 89 | loadl2c(me, sv) |
| 90 | SV *me |
| 91 | SV *sv |
| 92 | PREINIT: |
| 93 | char *p; |
| 94 | STRLEN len; |
| 95 | CODE: |
| 96 | p = SvPV(sv, len); |
| 97 | RETVAL = mp_loadl2c(MP_NEW, p, len); |
| 98 | OUTPUT: |
| 99 | RETVAL |
| 100 | |
| 101 | int |
| 102 | metrics(m) |
| 103 | mp *m |
| 104 | INTERFACE_MACRO: |
| 105 | XSINTERFACE_FUNC |
| 106 | XSINTERFACE_FUNC_SETMP |
| 107 | INTERFACE: |
| 108 | octets bits octets2c |
| 109 | |
| 110 | SV * |
| 111 | storeb(m, i = -1) |
| 112 | mp *m |
| 113 | int i |
| 114 | PREINIT: |
| 115 | size_t sz; |
| 116 | CODE: |
| 117 | if (i >= 0) |
| 118 | sz = i; |
| 119 | else { |
| 120 | sz = mp_octets(m); |
| 121 | if (!sz) |
| 122 | sz = 1; |
| 123 | } |
| 124 | RETVAL = NEWSV(0, sz ? sz : 1); |
| 125 | mp_storeb(m, SvPVX(RETVAL), sz); |
| 126 | SvCUR_set(RETVAL, sz); |
| 127 | SvPOK_on(RETVAL); |
| 128 | OUTPUT: |
| 129 | RETVAL |
| 130 | |
| 131 | SV * |
| 132 | storel(m, i = -1) |
| 133 | mp *m |
| 134 | int i |
| 135 | PREINIT: |
| 136 | size_t sz; |
| 137 | CODE: |
| 138 | sz = (i < 0) ? mp_octets(m) : i; |
| 139 | RETVAL = NEWSV(0, sz ? sz : 1); |
| 140 | mp_storel(m, SvPVX(RETVAL), sz); |
| 141 | SvCUR_set(RETVAL, sz); |
| 142 | SvPOK_on(RETVAL); |
| 143 | OUTPUT: |
| 144 | RETVAL |
| 145 | |
| 146 | SV * |
| 147 | storeb2c(m, i = -1) |
| 148 | mp *m |
| 149 | int i |
| 150 | PREINIT: |
| 151 | size_t sz; |
| 152 | CODE: |
| 153 | sz = (i < 0) ? mp_octets2c(m) : i; |
| 154 | RETVAL = NEWSV(0, sz ? sz : 1); |
| 155 | mp_storeb(m, SvPVX(RETVAL), sz); |
| 156 | SvCUR_set(RETVAL, sz); |
| 157 | SvPOK_on(RETVAL); |
| 158 | OUTPUT: |
| 159 | RETVAL |
| 160 | |
| 161 | SV * |
| 162 | storel2c(m, i = -1) |
| 163 | mp *m |
| 164 | int i |
| 165 | PREINIT: |
| 166 | size_t sz; |
| 167 | CODE: |
| 168 | sz = (i < 0) ? mp_octets2c(m) : i; |
| 169 | RETVAL = NEWSV(0, sz ? sz : 1); |
| 170 | mp_storel(m, SvPVX(RETVAL), sz); |
| 171 | SvCUR_set(RETVAL, sz); |
| 172 | SvPOK_on(RETVAL); |
| 173 | OUTPUT: |
| 174 | RETVAL |
| 175 | |
| 176 | SV * |
| 177 | tostring(m, radix = 10) |
| 178 | mp *m |
| 179 | int radix |
| 180 | CODE: |
| 181 | RETVAL = NEWSV(0, 0); |
| 182 | mp_writesv(m, RETVAL, radix); |
| 183 | OUTPUT: |
| 184 | RETVAL |
| 185 | |
| 186 | void |
| 187 | fromstring(me, s, radix = 10) |
| 188 | SV *me |
| 189 | SV *s |
| 190 | int radix |
| 191 | PREINIT: |
| 192 | mptext_stringctx ms; |
| 193 | STRLEN len; |
| 194 | mp *x; |
| 195 | PPCODE: |
| 196 | ms.buf = SvPV(s, len); |
| 197 | ms.lim = ms.buf + len; |
| 198 | x = mp_read(MP_NEW, radix, &mptext_stringops, &ms); |
| 199 | if (x) { |
| 200 | XPUSHs(RET_MP(x)); |
| 201 | if (GIMME_V == G_ARRAY) |
| 202 | XPUSHs(sv_2mortal(newSVpvn(ms.buf, ms.lim - ms.buf))); |
| 203 | } |
| 204 | |
| 205 | SV * |
| 206 | toint(m) |
| 207 | mp *m |
| 208 | CODE: |
| 209 | RETVAL = newSViv(mp_toiv(m)); |
| 210 | OUTPUT: |
| 211 | RETVAL |
| 212 | |
| 213 | SV * |
| 214 | DESTROY(m) |
| 215 | mp *m |
| 216 | CODE: |
| 217 | mp_drop(m); |
| 218 | XSRETURN_UNDEF; |
| 219 | |
| 220 | mp * |
| 221 | unop(a) |
| 222 | mp *a |
| 223 | C_ARGS: |
| 224 | MP_NEW, a |
| 225 | INTERFACE_MACRO: |
| 226 | XSINTERFACE_FUNC |
| 227 | XSINTERFACE_FUNC_SETMP |
| 228 | INTERFACE: |
| 229 | not not2c sqr sqrt |
| 230 | |
| 231 | mp * |
| 232 | neg(a) |
| 233 | mp *a |
| 234 | CODE: |
| 235 | MP_COPY(a); |
| 236 | RETVAL = mp_split(a); |
| 237 | if (RETVAL->v < RETVAL->vl) |
| 238 | RETVAL->f ^= MP_NEG; |
| 239 | OUTPUT: |
| 240 | RETVAL |
| 241 | |
| 242 | mp * |
| 243 | mp_factorial(me, x) |
| 244 | SV *me |
| 245 | IV x |
| 246 | C_ARGS: |
| 247 | x |
| 248 | |
| 249 | mp * |
| 250 | binop(a, b) |
| 251 | mp *a |
| 252 | mp *b |
| 253 | C_ARGS: |
| 254 | MP_NEW, a, b |
| 255 | INTERFACE_MACRO: |
| 256 | XSINTERFACE_FUNC |
| 257 | XSINTERFACE_FUNC_SETMP |
| 258 | INTERFACE: |
| 259 | add sub mul and2c or2c nand2c nor2c xor2c and or nand nor xor exp |
| 260 | |
| 261 | mp * |
| 262 | shiftop(a, n) |
| 263 | mp *a |
| 264 | int n |
| 265 | C_ARGS: |
| 266 | MP_NEW, a, n |
| 267 | INTERFACE_MACRO: |
| 268 | XSINTERFACE_FUNC |
| 269 | XSINTERFACE_FUNC_SETMP |
| 270 | INTERFACE: |
| 271 | lsl lsr lsl2c lsr2c |
| 272 | |
| 273 | bool |
| 274 | testbitop(a, n) |
| 275 | mp *a |
| 276 | unsigned long n |
| 277 | INTERFACE_MACRO: |
| 278 | XSINTERFACE_FUNC |
| 279 | XSINTERFACE_FUNC_SETMP |
| 280 | INTERFACE: |
| 281 | testbit testbit2c |
| 282 | |
| 283 | mp * |
| 284 | flipbits(a, n) |
| 285 | mp *a |
| 286 | unsigned long n |
| 287 | C_ARGS: |
| 288 | MP_NEW, a, n |
| 289 | INTERFACE_MACRO: |
| 290 | XSINTERFACE_FUNC |
| 291 | XSINTERFACE_FUNC_SETMP |
| 292 | INTERFACE: |
| 293 | setbit clearbit setbit2c clearbit2c |
| 294 | |
| 295 | int |
| 296 | mp_cmp(a, b) |
| 297 | mp *a |
| 298 | mp *b |
| 299 | |
| 300 | int |
| 301 | mp_eq(a, b) |
| 302 | mp *a |
| 303 | mp *b |
| 304 | |
| 305 | int |
| 306 | jacobi(a, n) |
| 307 | mp *a |
| 308 | mp *n |
| 309 | CODE: |
| 310 | if (!MP_LEN(n) || !(n->v[0] & 1)) |
| 311 | croak("n must be odd in Catacomb::MP::jacobi"); |
| 312 | RETVAL = mp_jacobi(a, n); |
| 313 | OUTPUT: |
| 314 | RETVAL |
| 315 | |
| 316 | mp * |
| 317 | mp_modsqrt(p, x) |
| 318 | mp *p |
| 319 | mp *x |
| 320 | INIT: |
| 321 | if (!MP_POSP(p) || !MP_ODDP(p)) |
| 322 | croak("p is not positive and odd"); |
| 323 | if (mp_jacobi(x, p) != 1) |
| 324 | croak("x not a quadratic residue mod p"); |
| 325 | C_ARGS: |
| 326 | MP_NEW, x, p |
| 327 | |
| 328 | void |
| 329 | div(a, b) |
| 330 | mp *a |
| 331 | mp *b |
| 332 | PREINIT: |
| 333 | mp *q = MP_NEW, *r = MP_NEW; |
| 334 | PPCODE: |
| 335 | if (MP_EQ(b, MP_ZERO)) |
| 336 | croak("Divide by zero in Catacomb::MP::div"); |
| 337 | q = MP_NEW; |
| 338 | switch (GIMME_V) { |
| 339 | case G_ARRAY: |
| 340 | r = MP_NEW; |
| 341 | mp_div(&q, &r, a, b); |
| 342 | EXTEND(SP, 2); |
| 343 | PUSHs(RET_MP(q)); |
| 344 | PUSHs(RET_MP(r)); |
| 345 | break; |
| 346 | case G_VOID: |
| 347 | break; |
| 348 | default: |
| 349 | mp_div(&q, 0, a, b); |
| 350 | EXTEND(SP, 1); |
| 351 | PUSHs(RET_MP(q)); |
| 352 | break; |
| 353 | } |
| 354 | |
| 355 | void |
| 356 | gcd(a, b) |
| 357 | mp *a |
| 358 | mp *b |
| 359 | PREINIT: |
| 360 | mp *g = MP_NEW, *x = MP_NEW, *y = MP_NEW; |
| 361 | PPCODE: |
| 362 | switch (GIMME_V) { |
| 363 | case G_ARRAY: |
| 364 | mp_gcd(&g, &x, &y, a, b); |
| 365 | EXTEND(SP, 3); |
| 366 | PUSHs(RET_MP(g)); |
| 367 | PUSHs(RET_MP(x)); |
| 368 | PUSHs(RET_MP(y)); |
| 369 | break; |
| 370 | case G_VOID: |
| 371 | break; |
| 372 | default: |
| 373 | mp_gcd(&g, 0, 0, a, b); |
| 374 | EXTEND(SP, 1); |
| 375 | PUSHs(RET_MP(g)); |
| 376 | break; |
| 377 | } |
| 378 | |
| 379 | void |
| 380 | odd(m) |
| 381 | mp *m |
| 382 | PREINIT: |
| 383 | mp *t; |
| 384 | size_t s; |
| 385 | PPCODE: |
| 386 | t = mp_odd(MP_NEW, m, &s); |
| 387 | EXTEND(SP, 2); |
| 388 | PUSHs(sv_2mortal(newSViv(s))); |
| 389 | PUSHs(RET_MP(t)); |
| 390 | |
| 391 | MODULE = Catacomb PACKAGE = Catacomb::MP PREFIX = pgen_ |
| 392 | |
| 393 | bool |
| 394 | pgen_primep(x, r = &rand_global) |
| 395 | mp *x |
| 396 | grand *r |
| 397 | |
| 398 | MODULE = Catacomb PACKAGE = Catacomb::MP PREFIX = pfilt_ |
| 399 | |
| 400 | int |
| 401 | pfilt_smallfactor(x) |
| 402 | mp *x |
| 403 | |
| 404 | MODULE = Catacomb PACKAGE = Catacomb::MP::Mont PREFIX = mpmont_ |
| 405 | |
| 406 | MP_Mont * |
| 407 | new(me, x) |
| 408 | SV *me |
| 409 | mp *x |
| 410 | CODE: |
| 411 | RETVAL = CREATE(MP_Mont); |
| 412 | if (mpmont_create(RETVAL, x)) { |
| 413 | DESTROY(RETVAL); |
| 414 | RETVAL = 0; |
| 415 | } |
| 416 | OUTPUT: |
| 417 | RETVAL |
| 418 | |
| 419 | SV * |
| 420 | DESTROY(mm) |
| 421 | MP_Mont *mm |
| 422 | CODE: |
| 423 | mpmont_destroy(mm); |
| 424 | DESTROY(mm); |
| 425 | XSRETURN_UNDEF; |
| 426 | |
| 427 | mp * |
| 428 | mpmont_reduce(mm, x) |
| 429 | MP_Mont *mm |
| 430 | mp *x |
| 431 | C_ARGS: |
| 432 | mm, MP_NEW, x |
| 433 | |
| 434 | mp * |
| 435 | mpmont_mul(mm, x, y) |
| 436 | MP_Mont *mm |
| 437 | mp *x |
| 438 | mp *y |
| 439 | C_ARGS: |
| 440 | mm, MP_NEW, x, y |
| 441 | |
| 442 | mp * |
| 443 | in(mm, x) |
| 444 | MP_Mont *mm |
| 445 | mp *x |
| 446 | CODE: |
| 447 | RETVAL = MP_NEW; |
| 448 | mp_div(0, &RETVAL, x, mm->m); |
| 449 | RETVAL = mpmont_mul(mm, RETVAL, RETVAL, mm->r2); |
| 450 | OUTPUT: |
| 451 | RETVAL |
| 452 | |
| 453 | mp * |
| 454 | mpmont_expr(mm, g, x) |
| 455 | MP_Mont *mm |
| 456 | mp *g |
| 457 | mp *x |
| 458 | C_ARGS: |
| 459 | mm, MP_NEW, g, x |
| 460 | |
| 461 | mp * |
| 462 | mpmont_exp(mm, g, x) |
| 463 | MP_Mont *mm |
| 464 | mp *g |
| 465 | mp *x |
| 466 | C_ARGS: |
| 467 | mm, MP_NEW, g, x |
| 468 | |
| 469 | mp * |
| 470 | mpmont_mexpr(mm, ...) |
| 471 | MP_Mont *mm |
| 472 | PREINIT: |
| 473 | mp_expfactor *v; |
| 474 | size_t i, j, n; |
| 475 | CODE: |
| 476 | if (items < 3 || !(items & 1)) { |
| 477 | croak("Usage: Catacomb::MP::Mont::mexpr" |
| 478 | "(mm, g_0, x_0, g_1, x_1, ..."); |
| 479 | } |
| 480 | n = (items - 1)/2; |
| 481 | v = xmalloc(n * sizeof(mp_expfactor)); |
| 482 | for (i = 1, j = 0; i < items; i += 2, j++) { |
| 483 | v[j].base = mp_fromsv(ST(i), "g_i", 0, 0); |
| 484 | v[j].exp = mp_fromsv(ST(i + 1), "x_i", 0, 0); |
| 485 | } |
| 486 | RETVAL = mpmont_mexpr(mm, MP_NEW, v, n); |
| 487 | xfree(v); |
| 488 | OUTPUT: |
| 489 | RETVAL |
| 490 | |
| 491 | mp * |
| 492 | mpmont_mexp(mm, ...) |
| 493 | MP_Mont *mm |
| 494 | PREINIT: |
| 495 | mp_expfactor *v; |
| 496 | size_t i, j, n; |
| 497 | CODE: |
| 498 | if (items < 3 || !(items & 1)) { |
| 499 | croak("Usage: Catacomb::MP::Mont::mexp" |
| 500 | "(mm, g_0, x_0, g_1, x_1, ..."); |
| 501 | } |
| 502 | n = (items - 1)/2; |
| 503 | v = xmalloc(n * sizeof(mp_expfactor)); |
| 504 | for (i = 1, j = 0; i < items; i += 2, j++) { |
| 505 | v[j].base = mp_fromsv(ST(i), "g_%lu", 0, 0, (unsigned long)i); |
| 506 | v[j].exp = mp_fromsv(ST(i + 1), "x_%lu", 0, 0, (unsigned long)i); |
| 507 | } |
| 508 | RETVAL = mpmont_mexp(mm, MP_NEW, v, n); |
| 509 | xfree(v); |
| 510 | OUTPUT: |
| 511 | RETVAL |
| 512 | |
| 513 | mp * |
| 514 | r(mm) |
| 515 | MP_Mont *mm |
| 516 | CODE: |
| 517 | RETVAL = MP_COPY(mm->r); |
| 518 | OUTPUT: |
| 519 | RETVAL |
| 520 | |
| 521 | mp * |
| 522 | r2(mm) |
| 523 | MP_Mont *mm |
| 524 | CODE: |
| 525 | RETVAL = MP_COPY(mm->r2); |
| 526 | OUTPUT: |
| 527 | RETVAL |
| 528 | |
| 529 | mp * |
| 530 | m(mm) |
| 531 | MP_Mont *mm |
| 532 | CODE: |
| 533 | RETVAL = MP_COPY(mm->m); |
| 534 | OUTPUT: |
| 535 | RETVAL |
| 536 | |
| 537 | MODULE = Catacomb PACKAGE = Catacomb::MP::Barrett PREFIX = mpbarrett_ |
| 538 | |
| 539 | MP_Barrett * |
| 540 | new(me, x) |
| 541 | SV *me |
| 542 | mp *x |
| 543 | CODE: |
| 544 | RETVAL = CREATE(mpbarrett); |
| 545 | if (mpbarrett_create(RETVAL, x)) { |
| 546 | DESTROY(RETVAL); |
| 547 | RETVAL = 0; |
| 548 | } |
| 549 | OUTPUT: |
| 550 | RETVAL |
| 551 | |
| 552 | SV * |
| 553 | DESTROY(mb) |
| 554 | MP_Barrett *mb |
| 555 | CODE: |
| 556 | mpbarrett_destroy(mb); |
| 557 | DESTROY(mb); |
| 558 | XSRETURN_UNDEF; |
| 559 | |
| 560 | mp * |
| 561 | mpbarrett_reduce(mb, x) |
| 562 | MP_Barrett *mb |
| 563 | mp *x |
| 564 | C_ARGS: |
| 565 | mb, MP_NEW, x |
| 566 | |
| 567 | mp * |
| 568 | mpbarrett_exp(mb, g, x) |
| 569 | MP_Barrett *mb |
| 570 | mp *g |
| 571 | mp *x |
| 572 | C_ARGS: |
| 573 | mb, MP_NEW, g, x |
| 574 | |
| 575 | mp * |
| 576 | m(mb) |
| 577 | MP_Barrett *mb |
| 578 | CODE: |
| 579 | RETVAL = MP_COPY(mb->m); |
| 580 | OUTPUT: |
| 581 | RETVAL |
| 582 | |
| 583 | MODULE = Catacomb PACKAGE = Catacomb::MP::Reduce PREFIX = mpreduce_ |
| 584 | |
| 585 | MP_Reduce * |
| 586 | new(me, x) |
| 587 | SV *me |
| 588 | mp *x |
| 589 | CODE: |
| 590 | RETVAL = CREATE(MP_Reduce); |
| 591 | if (mpreduce_create(RETVAL, x)) { |
| 592 | DESTROY(RETVAL); |
| 593 | RETVAL = 0; |
| 594 | } |
| 595 | OUTPUT: |
| 596 | RETVAL |
| 597 | |
| 598 | SV * |
| 599 | DESTROY(r) |
| 600 | MP_Reduce *r |
| 601 | CODE: |
| 602 | mpreduce_destroy(r); |
| 603 | DESTROY(r); |
| 604 | XSRETURN_UNDEF; |
| 605 | |
| 606 | mp * |
| 607 | reduce(r, x) |
| 608 | MP_Reduce *r |
| 609 | mp *x |
| 610 | CODE: |
| 611 | RETVAL = mpreduce_do(r, MP_NEW, x); |
| 612 | OUTPUT: |
| 613 | RETVAL |
| 614 | |
| 615 | mp * |
| 616 | mpreduce_exp(r, x, y) |
| 617 | MP_Reduce *r |
| 618 | mp *x |
| 619 | mp *y |
| 620 | C_ARGS: |
| 621 | r, MP_NEW, x, y |
| 622 | |
| 623 | mp * |
| 624 | m(r) |
| 625 | MP_Reduce *r |
| 626 | CODE: |
| 627 | RETVAL = MP_COPY(r->p); |
| 628 | OUTPUT: |
| 629 | RETVAL |
| 630 | |
| 631 | MODULE = Catacomb PACKAGE = Catacomb::MP::CRT |
| 632 | |
| 633 | MP_CRT * |
| 634 | new(me, ...) |
| 635 | SV *me |
| 636 | PREINIT: |
| 637 | mpcrt_mod *v; |
| 638 | size_t n, i; |
| 639 | CODE: |
| 640 | if (items < 1) |
| 641 | croak("Usage: Catacomb::MP::CRT::new(me, n_0, n_1, ...)"); |
| 642 | n = items - 1; |
| 643 | v = xmalloc(n * sizeof(mpcrt_mod)); |
| 644 | for (i = 0; i < n; i++) { |
| 645 | v[i].m = mp_copy(mp_fromsv(ST(i + 1), "n_%lu", |
| 646 | 0, 0, (unsigned long)i)); |
| 647 | v[i].n = v[i].ni = v[i].nni = 0; |
| 648 | } |
| 649 | RETVAL = CREATE(MP_CRT); |
| 650 | mpcrt_create(RETVAL, v, n, 0); |
| 651 | OUTPUT: |
| 652 | RETVAL |
| 653 | |
| 654 | mp * |
| 655 | product(mc) |
| 656 | MP_CRT *mc |
| 657 | CODE: |
| 658 | RETVAL = MP_COPY(mc->mb.m); |
| 659 | OUTPUT: |
| 660 | RETVAL |
| 661 | |
| 662 | void |
| 663 | moduli(mc) |
| 664 | MP_CRT *mc |
| 665 | PREINIT: |
| 666 | size_t n, i; |
| 667 | PPCODE: |
| 668 | n = mc->k; |
| 669 | if (GIMME_V == G_SCALAR) |
| 670 | XPUSHs(sv_2mortal(newSViv(n))); |
| 671 | else for (i = 0; i < n; i++) |
| 672 | XPUSHs(RET_MP(MP_COPY(mc->v[i].m))); |
| 673 | |
| 674 | SV * |
| 675 | DESTROY(mc) |
| 676 | MP_CRT *mc |
| 677 | CODE: |
| 678 | mpcrt_destroy(mc); |
| 679 | xfree(mc->v); |
| 680 | DESTROY(mc); |
| 681 | XSRETURN_UNDEF; |
| 682 | |
| 683 | mp * |
| 684 | solve(mc, ...) |
| 685 | MP_CRT *mc |
| 686 | PREINIT: |
| 687 | mp **v; |
| 688 | size_t n, i; |
| 689 | CODE: |
| 690 | n = mc->k; |
| 691 | if (items - 1 != n) |
| 692 | croak("Wrong number of residues for this CRT context"); |
| 693 | v = xmalloc(n * sizeof(mp *)); |
| 694 | for (i = 0; i < n; i++) |
| 695 | v[i] = mp_fromsv(ST(i + 1), "r_%lu", 0, 0, (unsigned long)i); |
| 696 | RETVAL = mpcrt_solve(mc, MP_NEW, v); |
| 697 | xfree(v); |
| 698 | OUTPUT: |
| 699 | RETVAL |
| 700 | |
| 701 | #----- That's all, folks ---------------------------------------------------- |