1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915
|
/****************************************************************************
**
*W mpfi.c GAP source Laurent Bartholdi
**
*Y Copyright (C) 2008-2012 Laurent Bartholdi
**
** This file contains the functions for the float package.
** interval floats are implemented using the MPFI package.
*/
#include "floatconfig.h"
#undef PACKAGE
#undef PACKAGE_BUGREPORT
#undef PACKAGE_NAME
#undef PACKAGE_STRING
#undef PACKAGE_TARNAME
#undef PACKAGE_URL
#undef PACKAGE_VERSION
#include <string.h>
#include <stdio.h>
#include <gmp.h>
#include "src/compiled.h"
#include "floattypes.h"
#define LMANTISSA_MPFI(p) ((mp_limb_t *) (p+1))
#define RMANTISSA_MPFI(p) (LMANTISSA_MPFI(p)+(mpfi_get_prec(p)+GMP_NUMB_BITS-1)/GMP_NUMB_BITS)
static inline mpfi_ptr GET_MPFI(Obj obj) {
mpfi_ptr p = MPFI_OBJ(obj);
mpfr_custom_move (&p->left, LMANTISSA_MPFI(p));
mpfr_custom_move (&p->right, RMANTISSA_MPFI(p));
return p;
}
/****************************************************************************
**
*F allocate new object, initialize to NaN
**
*/
Obj TYPE_MPFI;
static inline Obj NEW_MPFI( mp_prec_t prec )
{
Obj f = NEW_DATOBJ(sizeof(__mpfi_struct)+2*mpfr_custom_get_size(prec), TYPE_MPFI);
mpfi_ptr p = MPFI_OBJ(f);
mpfr_custom_init_set(&p->left, MPFR_NAN_KIND, 0, prec, LMANTISSA_MPFI(p));
mpfr_custom_init_set(&p->right, MPFR_NAN_KIND, 0, prec, RMANTISSA_MPFI(p));
return f;
}
/****************************************************************************
**
*F Func1_MPFI( <float> ) . . . . . . . . . . . . . . . .1-argument functions
**
*/
#define Func1_MPFI(name,mpfi_name) \
static Obj name(Obj self, Obj f) \
{ \
mp_prec_t prec = mpfi_get_prec(MPFI_OBJ(f)); \
Obj g = NEW_MPFI(prec); \
mpfi_name (MPFI_OBJ(g), GET_MPFI(f)); \
return g; \
}
#define Func1_MPFRMPFI(name,mpfi_name) \
static Obj name(Obj self, Obj f) \
{ \
mp_prec_t prec = mpfi_get_prec(MPFI_OBJ(f)); \
Obj g = NEW_MPFR(prec); \
mpfi_name (MPFR_OBJ(g), GET_MPFI(f)); \
return g; \
}
#define Func1_BOOLMPFI(name,mpfi_name) \
static Obj name(Obj self, Obj f) \
{ \
return mpfi_name(GET_MPFI(f)) > 0 ? True : False; \
}
#define Inc1_MPFI_arg(name,arg) \
{ #name, 1, arg, name, "src/mpfi.c:" #name }
#define Inc1_MPFI(name) Inc1_MPFI_arg(name,"interval")
Func1_MPFI(COS_MPFI,mpfi_cos);
Func1_MPFI(SIN_MPFI,mpfi_sin);
Func1_MPFI(TAN_MPFI,mpfi_tan);
Func1_MPFI(ACOS_MPFI,mpfi_acos);
Func1_MPFI(ASIN_MPFI,mpfi_asin);
Func1_MPFI(ATAN_MPFI,mpfi_atan);
Func1_MPFI(SEC_MPFI,mpfi_sec);
Func1_MPFI(CSC_MPFI,mpfi_csc);
Func1_MPFI(COT_MPFI,mpfi_cot);
Func1_MPFI(COSH_MPFI,mpfi_cosh);
Func1_MPFI(SINH_MPFI,mpfi_sinh);
Func1_MPFI(TANH_MPFI,mpfi_tanh);
Func1_MPFI(SECH_MPFI,mpfi_sech);
Func1_MPFI(CSCH_MPFI,mpfi_csch);
Func1_MPFI(COTH_MPFI,mpfi_coth);
Func1_MPFI(ACOSH_MPFI,mpfi_acosh);
Func1_MPFI(ASINH_MPFI,mpfi_asinh);
Func1_MPFI(ATANH_MPFI,mpfi_atanh);
Func1_MPFI(LOG_MPFI,mpfi_log);
Func1_MPFI(LOG2_MPFI,mpfi_log2);
Func1_MPFI(LOG10_MPFI,mpfi_log10);
Func1_MPFI(LOG1P_MPFI,mpfi_log1p);
Func1_MPFI(EXP_MPFI,mpfi_exp);
Func1_MPFI(EXP2_MPFI,mpfi_exp2);
Func1_MPFI(EXPM1_MPFI,mpfi_expm1);
Func1_MPFI(INV_MPFI,mpfi_inv);
Func1_MPFI(AINV_MPFI,mpfi_neg);
Func1_MPFI(SQRT_MPFI,mpfi_sqrt);
Func1_MPFI(CBRT_MPFI,mpfi_cbrt);
Func1_MPFI(SQR_MPFI,mpfi_sqr);
Func1_MPFI(ABS_MPFI,mpfi_abs);
#pragma GCC diagnostic ignored "-Wuninitialized"
static Obj EXTREPOFOBJ_MPFI(Obj self, Obj f)
{
mp_prec_t prec = mpfi_get_prec(GET_MPFI(f));
int i;
Obj l = NEW_PLIST(T_PLIST,4);
SET_LEN_PLIST(l,4);
Obj g = NEW_MPFR(prec);
mpz_t z;
mpz_init2 (z, prec);
for (i = 0; i < 2; i++) {
Obj ig;
mp_exp_t e;
if (i == 0)
mpfr_set (MPFR_OBJ(g), &GET_MPFI(f)->left, GMP_RNDN);
else
mpfr_set (MPFR_OBJ(g), &GET_MPFI(f)->right, GMP_RNDN);
if (mpfr_zero_p(MPFR_OBJ(g))) {
ig = INTOBJ_INT(0);
mpfr_ui_div(MPFR_OBJ(g), 1, MPFR_OBJ(g), GMP_RNDN);
e = (mpfr_sgn(MPFR_OBJ(g))<0);
} else if (!mpfr_number_p(MPFR_OBJ(g))) {
ig = INTOBJ_INT(0);
if (mpfr_inf_p(MPFR_OBJ(g)))
e = 2 + (mpfr_sgn(MPFR_OBJ(f))<0);
else if (mpfr_nan_p(MPFR_OBJ(g)))
e = 4;
} else {
e = mpfr_get_exp(MPFR_OBJ(g));
mpfr_set_exp(MPFR_OBJ(g), prec);
mpfr_get_z (z, MPFR_OBJ(g), GMP_RNDZ);
ig = INT_mpz(z);
}
SET_ELM_PLIST(l,2*i+1, ig);
SET_ELM_PLIST(l,2*i+2, ObjInt_Int(e));
}
mpz_clear(z);
return l;
}
#pragma GCC diagnostic ignored "-Wuninitialized"
static Obj OBJBYEXTREP_MPFI(Obj self, Obj list)
{
int i;
mp_prec_t prec = 0;
while (LEN_PLIST(list) != 4) {
list = ErrorReturnObj("OBJBYEXTREP_MPFI: object must be a list of length 4, not a %s",
(Int)TNAM_OBJ(list),0,
"You can return a list to continue" );
}
for (i = 0; i < 4; i += 2) {
Obj m = ELM_PLIST(list,i+1);
mp_prec_t newprec;
if (IS_INTOBJ(m))
newprec = 8*sizeof(long);
else
newprec = 8*sizeof(mp_limb_t)*SIZE_INT(m);
if (newprec > prec)
prec = newprec;
}
Obj f = NEW_MPFI(prec);
for (i = 0; i < 4; i++) {
Obj m = ELM_PLIST(list,i+1);
Int iarg;
mpz_ptr zarg;
int argtype;
if (IS_INTOBJ(m))
iarg = INT_INTOBJ(m), argtype = 0;
else
zarg = mpz_MPZ(MPZ_LONGINT(m)), argtype = 1;
if (i & 1 && argtype) /* exponent, must be small int */
iarg = mpz_get_si(zarg), argtype = 0;
mpfr_ptr leftright;
if (i < 2)
leftright = &GET_MPFI(f)->left;
else
leftright = &GET_MPFI(f)->right;
if (i & 1)
mpfr_set_exp(leftright, iarg);
else if (argtype)
mpfr_set_z(leftright, zarg, GMP_RNDN);
else {
if (iarg == 0) { /* special case */
switch (INT_INTOBJ(ELM_PLIST(list,i+2))) {
case 0: /* 0 */
case 1: /* -0 */
mpfr_set_si(leftright, 0, GMP_RNDN); break;
case 2: /* inf */
case 3: /* -inf */
mpfr_set_inf (leftright, 1); break;
case 4: /* nan */
case 5: /* -nan */
mpfr_set_nan (leftright); break;
default:
ErrorQuit("OBJBYEXTREP_MPFI: invalid argument [%d,%d]",
iarg, INT_INTOBJ(ELM_PLIST(list,i+2)));
}
i++; /* skip "exponent" */
continue;
}
mpfr_set_si(leftright, iarg, GMP_RNDN);
}
}
return f;
}
static Obj ZERO_MPFI(Obj self, Obj f)
{
mp_prec_t prec = mpfi_get_prec(GET_MPFI(f));
Obj g = NEW_MPFI(prec);
mpfi_set_ui(MPFI_OBJ(g), 0);
return g;
}
static Obj ONE_MPFI(Obj self, Obj f)
{
mp_prec_t prec = mpfi_get_prec(GET_MPFI(f));
Obj g = NEW_MPFI(prec);
mpfi_set_ui (MPFI_OBJ(g), 1);
return g;
}
static Obj MPFI_MAKENAN(Obj self, Obj prec)
{
TEST_IS_INTOBJ("MPFI_MAKENAN",prec);
Obj g = NEW_MPFI(INT_INTOBJ(prec));
mpfr_set_nan (&MPFI_OBJ(g)->left);
mpfr_set_nan (&MPFI_OBJ(g)->right);
return g;
}
static Obj MPFI_MAKEINFINITY(Obj self, Obj prec)
{
TEST_IS_INTOBJ("MPFI_MAKEINFINITY",prec);
int p = INT_INTOBJ(prec);
Obj g = NEW_MPFI(p < 0 ? -p : p);
mpfr_set_inf (&MPFI_OBJ(g)->left, p);
mpfr_set_inf (&MPFI_OBJ(g)->right, p);
return g;
}
static Obj MPFI_LOG2(Obj self, Obj prec)
{
TEST_IS_INTOBJ("MPFI_LOG2",prec);
Obj g = NEW_MPFI(INT_INTOBJ(prec));
mpfi_const_log2 (MPFI_OBJ(g));
return g;
}
static Obj MPFI_PI(Obj self, Obj prec)
{
TEST_IS_INTOBJ("MPFI_PI",prec);
Obj g = NEW_MPFI(INT_INTOBJ(prec));
mpfi_const_pi (MPFI_OBJ(g));
return g;
}
static Obj MPFI_EULER(Obj self, Obj prec)
{
TEST_IS_INTOBJ("MPFI_EULER",prec);
Obj g = NEW_MPFI(INT_INTOBJ(prec));
mpfi_const_euler (MPFI_OBJ(g));
return g;
}
static Obj MPFI_CATALAN(Obj self, Obj prec) /* strangely not in mpfi */
{
TEST_IS_INTOBJ("MPFI_CATALAN",prec);
Obj g = NEW_MPFI(INT_INTOBJ(prec));
mpfr_const_catalan (&MPFI_OBJ(g)->left, GMP_RNDD);
mpfr_const_catalan (&MPFI_OBJ(g)->right, GMP_RNDU);
return g;
}
static Obj EXP10_MPFI(Obj self, Obj f) /* strangely not in mpfi */
{
Obj g = NEW_MPFI(mpfi_get_prec(GET_MPFI(f)));
mpfr_exp10 (&MPFI_OBJ(g)->left, &GET_MPFI(f)->left, GMP_RNDD);
mpfr_exp10 (&MPFI_OBJ(g)->right, &GET_MPFI(f)->right, GMP_RNDU);
return g;
}
static Obj MPFI_INT(Obj self, Obj i)
{
Obj g;
if (IS_INTOBJ(i)) {
g = NEW_MPFI(8*sizeof(long));
mpfi_set_si(MPFI_OBJ(g), INT_INTOBJ(i));
} else {
Obj f = MPZ_LONGINT(i);
g = NEW_MPFI(8*sizeof(mp_limb_t)*SIZE_INT(i));
mpfi_set_z(MPFI_OBJ(g), mpz_MPZ(f));
}
return g;
}
static Obj MPFI_INTPREC(Obj self, Obj i, Obj prec)
{
Obj g;
TEST_IS_INTOBJ("MPFI_INTPREC",prec);
if (IS_INTOBJ(i)) {
g = NEW_MPFI(INT_INTOBJ(prec));
mpfi_set_si(MPFI_OBJ(g), INT_INTOBJ(i));
} else {
Obj f = MPZ_LONGINT(i);
g = NEW_MPFI(INT_INTOBJ(prec));
mpfi_set_z(MPFI_OBJ(g), mpz_MPZ(f));
}
return g;
}
static Obj INT_MPFI(Obj self, Obj f)
/* if there's an integer in the interval, return the one of smallest absolute
value.
else, if the interval is positive, return the largest integer not in it
else, if the interval is negative, the smallest integer not in it
else, if the interval is empty, return fail. */
{
mpz_t y, z;
Obj res;
if (mpfi_is_empty(GET_MPFI(f)))
return Fail;
mpz_init2 (y, mpfr_get_exp(&GET_MPFI(f)->left)+1);
mpz_init2 (z, mpfr_get_exp(&GET_MPFI(f)->right)+1);
mpfr_get_z (y, &GET_MPFI(f)->left, GMP_RNDU);
mpfr_get_z (z, &MPFI_OBJ(f)->right, GMP_RNDD);
if (mpz_cmp(y, z) <= 0) { /* Ceil(Inf(f)) <= Floor(Sup(f)) */
if (mpz_cmp_si(y, 0) >= 0)
res = INT_mpz(y);
else if (mpz_cmp_si(z, 0) <= 0)
res = INT_mpz(z);
else res = INTOBJ_INT(0);
} else { /* y = z+1 */
if (mpz_cmp_si(y, 0) >= 0)
res = INT_mpz(z);
else
res = INT_mpz(y);
}
mpz_clear(y);
mpz_clear(z);
return res;
}
static Obj SIGN_MPFI(Obj self, Obj f)
{
if (mpfr_sgn(&GET_MPFI(f)->left) > 0)
return INTOBJ_INT(1);
if (mpfr_sgn(&GET_MPFI(f)->right) < 0)
return INTOBJ_INT(-1);
return INTOBJ_INT(0);
}
static Obj ISPINF_MPFI(Obj self, Obj f)
{
if (!mpfi_inf_p(GET_MPFI(f)))
return False;
if (mpfr_sgn(&MPFI_OBJ(f)->left) > 0)
return True;
return False;
}
static Obj ISNINF_MPFI(Obj self, Obj f)
{
if (!mpfi_inf_p(GET_MPFI(f)))
return False;
if (mpfr_sgn(&MPFI_OBJ(f)->right) < 0)
return True;
return False;
}
static Obj PREC_MPFI(Obj self, Obj f)
{
return INTOBJ_INT(mpfi_get_prec(GET_MPFI(f)));
}
Func1_MPFRMPFI(DIAM_ABS_MPFI,mpfi_diam_abs);
Func1_MPFRMPFI(DIAM_REL_MPFI,mpfi_diam_rel);
Func1_MPFRMPFI(DIAM_MPFI,mpfi_diam);
Func1_MPFRMPFI(MAG_MPFI,mpfi_mag);
Func1_MPFRMPFI(MIG_MPFI,mpfi_mig);
Func1_MPFRMPFI(MID_MPFI,mpfi_mid);
Func1_MPFRMPFI(ALEA_MPFI,mpfi_alea);
Func1_MPFRMPFI(LEFT_MPFI,mpfi_get_left);
Func1_MPFRMPFI(RIGHT_MPFI,mpfi_get_right);
Func1_BOOLMPFI(ISPOS_MPFI,mpfi_is_pos);
Func1_BOOLMPFI(ISSTRICTLY_POS_MPFI,mpfi_is_strictly_pos);
Func1_BOOLMPFI(ISNONNEG_MPFI,mpfi_is_nonneg);
Func1_BOOLMPFI(ISNEG_MPFI,mpfi_is_neg);
Func1_BOOLMPFI(ISSTRICTLY_NEG_MPFI,mpfi_is_strictly_neg);
Func1_BOOLMPFI(ISNONPOS_MPFI,mpfi_is_nonpos);
Func1_BOOLMPFI(ISZERO_MPFI,mpfi_is_zero);
Func1_BOOLMPFI(HASZERO_MPFI,mpfi_has_zero);
Func1_BOOLMPFI(ISNAN_MPFI,mpfi_nan_p);
Func1_BOOLMPFI(ISXINF_MPFI,mpfi_inf_p);
Func1_BOOLMPFI(ISNUMBER_MPFI,mpfi_bounded_p);
Func1_BOOLMPFI(ISEMPTY_MPFI,mpfi_is_empty);
static Obj FREXP_MPFI(Obj self, Obj f)
{
mp_prec_t prec = mpfi_get_prec(GET_MPFI(f));
Obj g = NEW_MPFI(prec);
mpfi_set (MPFI_OBJ(g), GET_MPFI(f));
mp_exp_t eleft = mpfr_get_exp(&MPFI_OBJ(f)->left),
eright = mpfr_get_exp(&MPFI_OBJ(f)->right);
mp_exp_t e = eleft > eright ? eleft : eright;
mpfr_set_exp(&MPFI_OBJ(g)->left, eleft-e);
mpfr_set_exp(&MPFI_OBJ(g)->right, eright-e);
Obj l = NEW_PLIST(T_PLIST,2);
SET_ELM_PLIST(l,1,g);
SET_ELM_PLIST(l,2, ObjInt_Int(e));
SET_LEN_PLIST(l,2);
return l;
}
static Obj LDEXP_MPFI(Obj self, Obj f, Obj exp)
{
mp_exp_t e;
if (IS_INTOBJ(exp))
e = INT_INTOBJ(exp);
else {
Obj f = MPZ_LONGINT(exp);
e = mpz_get_si(mpz_MPZ(f));
}
mp_prec_t prec = mpfi_get_prec(GET_MPFI(f));
Obj g = NEW_MPFI(prec);
mpfi_mul_2si (MPFI_OBJ(g), GET_MPFI(f), e);
return g;
}
static Obj MPFI_MPFIPREC(Obj self, Obj f, Obj prec)
{
TEST_IS_INTOBJ("MPFI_MPFIPREC",prec);
Obj g = NEW_MPFI(INT_INTOBJ(prec));
mpfi_set (MPFI_OBJ(g), GET_MPFI(f));
return g;
}
static Obj STRING_MPFI(Obj self, Obj f, Obj digits)
{
mp_prec_t prec = mpfi_get_prec(GET_MPFI(f));
Obj str = NEW_STRING(2*(prec*302/1000+10)+3);
int slen = 0, n;
TEST_IS_INTOBJ("STRING_MPFI",digits);
n = INT_INTOBJ(digits);
if (n == 1) n = 2;
char *c = CSTR_STRING(str);
c[slen++] = '[';
slen += PRINT_MPFR(c+slen, 0, n, &GET_MPFI(f)->left, GMP_RNDD);
c[slen++] = ',';
slen += PRINT_MPFR(c+slen, 0, n, &MPFI_OBJ(f)->right, GMP_RNDU);
c[slen++] = ']';
c[slen] = 0;
SET_LEN_STRING(str, slen);
SHRINK_STRING(str);
return str;
}
static Obj VIEWSTRING_MPFI(Obj self, Obj f, Obj digits)
{
mp_prec_t prec = mpfi_get_prec(GET_MPFI(f));
Obj str = NEW_STRING(prec*302/1000+20);
mp_exp_t exp;
TEST_IS_INTOBJ("VIEWSTRING_MPFI",digits);
int n = INT_INTOBJ(digits);
if (n == 1) n = 2;
if (mpfi_is_empty(GET_MPFI(f)))
return FLOAT_EMPTYSET_STRING;
if (mpfr_inf_p(&MPFI_OBJ(f)->left) || mpfr_inf_p(&MPFI_OBJ(f)->right)) {
if (mpfr_sgn(&MPFI_OBJ(f)->left) > 0) /* should be better handled... */
return FLOAT_INFINITY_STRING;
else
return FLOAT_NINFINITY_STRING;
}
Obj g = NEW_MPFR(prec);
mpfi_mid (MPFR_OBJ(g), GET_MPFI(f));
char *c = CSTR_STRING(str);
int slen = PRINT_MPFR(c, &exp, n, MPFR_OBJ(g), GMP_RNDN);
mpfi_diam (MPFR_OBJ(g), GET_MPFI(f));
if (mpfr_zero_p (MPFR_OBJ(g)))
sprintf(c+slen, "(%s)", CSTR_STRING(FLOAT_INFINITY_STRING));
else {
exp = mpfr_get_exp(MPFR_OBJ(g));
if (exp < -1) /* at least 2 bits */
sprintf(c+slen, "(%ld)", -exp);
else /* restart, print interval */
return STRING_MPFI(self,f,digits);
}
SET_LEN_STRING(str, strlen(c));
SHRINK_STRING(str);
return str;
}
static Obj MPFI_STRING(Obj self, Obj s, Obj prec)
{
while (!IsStringConv(s)) {
s = ErrorReturnObj("MPFI_STRING: object to be converted must be a string, not a %s",
(Int)TNAM_OBJ(s),0,
"You can return a string to continue" );
}
TEST_IS_INTOBJ("MPFI_STRING",prec);
int n = INT_INTOBJ(prec);
if (n == 0)
n = GET_LEN_STRING(s)*1000 / 301;
Obj g = NEW_MPFI(INT_INTOBJ(prec));
mpfi_set_str(MPFI_OBJ(g), (char *)CHARS_STRING(s), 10);
return g;
}
static Obj MPFI_MPFR(Obj self, Obj f)
{
Obj g = NEW_MPFI (mpfr_get_prec(GET_MPFR(f)));
mpfi_set_fr (MPFI_OBJ(g), GET_MPFR(f));
return g;
}
static Obj BISECT_MPFI(Obj self, Obj f)
{
mp_prec_t prec = mpfr_get_prec(GET_MPFR(f));
Obj g1 = NEW_MPFI (prec), g2 = NEW_MPFI (prec);
mpfi_bisect (MPFI_OBJ(g1), MPFI_OBJ(g2), GET_MPFI(f));
Obj g = NEW_PLIST(T_PLIST, 2);
SET_LEN_PLIST(g,2);
SET_ELM_PLIST(g,1,g1);
SET_ELM_PLIST(g,2,g2);
return g;
}
/****************************************************************************
**
*F Func2_MPFI( <float>, <float> ) . . . . . . . . . . . 2-argument functions
**
*/
#define Func2_MPFI(name,mpfi_name) \
static Obj name##_MPFI(Obj self, Obj fl, Obj fr) \
{ \
mp_prec_t precl = mpfi_get_prec(GET_MPFI(fl)), \
precr = mpfi_get_prec(GET_MPFI(fr)); \
\
Obj g = NEW_MPFI(precl > precr ? precl : precr); \
mpfi_name (MPFI_OBJ(g), GET_MPFI(fl), GET_MPFI(fr)); \
return g; \
}
#define Func2_MPFI_MPFR(name,mpfi_name) \
static Obj name##_MPFI_MPFR(Obj self, Obj fl, Obj fr) \
{ \
mp_prec_t precl = mpfi_get_prec(GET_MPFI(fl)), \
precr = mpfr_get_prec(GET_MPFR(fr)); \
\
Obj g = NEW_MPFI(precl > precr ? precl : precr); \
mpfi_name (MPFI_OBJ(g), GET_MPFI(fl), MPFR_OBJ(fr)); \
return g; \
}
#define Func2_MPFR_MPFI(name,mpfi_name) \
static Obj name##_MPFR_MPFI(Obj self, Obj fl, Obj fr) \
{ \
mp_prec_t precl = mpfr_get_prec(GET_MPFR(fl)), \
precr = mpfi_get_prec(GET_MPFI(fr)); \
\
Obj g = NEW_MPFI(precl > precr ? precl : precr); \
mpfi_name (MPFI_OBJ(g), MPFR_OBJ(fl), GET_MPFI(fr)); \
return g; \
}
#define Inc2_MPFI_arg(name,arg) \
{ #name, 2, arg, name, "src/mpfi.c:" #name }
#define Inc2_MPFI(name) Inc2_MPFI_arg(name,"interval, interval")
#define Inc2_MPFIX(name) Inc2_MPFI_arg(name##_MPFI,"interval, interval"), \
Inc2_MPFI_arg(name##_MPFI_MPFR,"interval, real"), \
Inc2_MPFI_arg(name##_MPFR_MPFI,"real, interval") \
Func2_MPFI(SUM,mpfi_add);
Func2_MPFI(DIFF,mpfi_sub);
Func2_MPFI(PROD,mpfi_mul);
Func2_MPFI(QUO,mpfi_div);
#define mpfi_pow(a,b,c) mpfi_log(a,b), mpfi_mul(a,a,c), mpfi_exp(a,a)
Func2_MPFI(POW,mpfi_pow);
Func2_MPFI_MPFR(SUM,mpfi_add_fr);
Func2_MPFI_MPFR(DIFF,mpfi_sub_fr);
Func2_MPFI_MPFR(PROD,mpfi_mul_fr);
Func2_MPFI_MPFR(QUO,mpfi_div_fr);
#define mpfi_pow_fr(a,b,c) mpfi_log(a,b), mpfi_mul_fr(a,a,c), mpfi_exp(a,a)
Func2_MPFI_MPFR(POW,mpfi_pow_fr);
#define mpfi_fr_add(a,b,c) mpfi_add_fr(a,c,b)
Func2_MPFR_MPFI(SUM,mpfi_fr_add);
Func2_MPFR_MPFI(DIFF,mpfi_fr_sub);
#define mpfi_fr_mul(a,b,c) mpfi_mul_fr(a,c,b)
Func2_MPFR_MPFI(PROD,mpfi_fr_mul);
Func2_MPFR_MPFI(QUO,mpfi_fr_div);
#define mpfi_fr_pow(a,b,c) mpfi_set_fr(a,b), mpfi_log(a,a), mpfi_mul(a,a,c), mpfi_exp(a,a)
Func2_MPFR_MPFI(POW,mpfi_fr_pow);
Func2_MPFI(INTERSECT,mpfi_intersect);
Func2_MPFI(UNION,mpfi_union);
Func2_MPFI(ATAN2,mpfi_atan2);
Func2_MPFI(HYPOT,mpfi_hypot);
/*Func2_MPFI(MOD,mpfi_remainder);*/
static Obj LQUO_MPFI(Obj self, Obj fl, Obj fr)
{
return QUO_MPFI(self, fr, fl);
}
static Obj LQUO_MPFI_MPFR(Obj self, Obj fl, Obj fr)
{
return QUO_MPFR_MPFI(self, fr, fl);
}
static Obj LQUO_MPFR_MPFI(Obj self, Obj fl, Obj fr)
{
return QUO_MPFI_MPFR(self, fr, fl);
}
static Obj ROOT_MPFI(Obj self, Obj fl, Obj fr) /* strangely not in mpfi */
{
TEST_IS_INTOBJ("ROOT_MPFI",fr);
Obj g = NEW_MPFI(mpfi_get_prec(GET_MPFI(fl)));
#if MPFR_VERSION_MAJOR >= 4
mpfr_rootn_ui
#else
mpfr_root
#endif
(&MPFI_OBJ(g)->left, &GET_MPFI(fl)->left, INT_INTOBJ(fr), GMP_RNDD);
#if MPFR_VERSION_MAJOR >= 4
mpfr_rootn_ui
#else
mpfr_root
#endif
(&MPFI_OBJ(g)->right, &MPFI_OBJ(fl)->right, INT_INTOBJ(fr), GMP_RNDU);
return g;
}
static Obj EQ_MPFI (Obj self, Obj fl, Obj fr)
{
return mpfi_cmp(GET_MPFI(fl),GET_MPFI(fr)) == 0 ? True : False;
}
static Obj EQ_MPFI_MPFR (Obj self, Obj fl, Obj fr)
{
return mpfi_cmp_fr(GET_MPFI(fl),GET_MPFR(fr)) == 0 ? True : False;
}
static Obj EQ_MPFR_MPFI (Obj self, Obj fl, Obj fr)
{
return mpfi_cmp_fr(GET_MPFI(fr),GET_MPFR(fl)) == 0 ? True : False;
}
static Obj LT_MPFI (Obj self, Obj fl, Obj fr)
{
return mpfi_cmp(GET_MPFI(fl),GET_MPFI(fr)) < 0 ? True : False;
}
static Obj LT_MPFI_MPFR (Obj self, Obj fl, Obj fr)
{
return mpfi_cmp_fr(GET_MPFI(fl),GET_MPFR(fr)) < 0 ? True : False;
}
static Obj LT_MPFR_MPFI (Obj self, Obj fl, Obj fr)
{
return mpfi_cmp_fr(GET_MPFI(fr),GET_MPFR(fl)) > 0 ? True : False;
}
static Obj ISINSIDE_MPFI (Obj self, Obj fl, Obj fr)
{
return mpfi_is_inside(GET_MPFI(fl),GET_MPFI(fr)) ? True : False;
}
static Obj ISSTRICTLY_INSIDE_MPFI (Obj self, Obj fl, Obj fr)
{
return mpfi_is_strictly_inside(GET_MPFI(fl),GET_MPFI(fr)) ? True : False;
}
static Obj ISINSIDE_ZMPFI (Obj self, Obj fl, Obj fr)
{
if (IS_INTOBJ(fr)) {
return mpfi_is_inside_si (INT_INTOBJ(fl), GET_MPFI(fr)) ? True : False;
} else {
Obj f = MPZ_LONGINT(fl);
return mpfi_is_inside_z (mpz_MPZ(f), GET_MPFI(fr)) ? True : False;
}
}
static Obj ISINSIDE_MPFRMPFI (Obj self, Obj fl, Obj fr)
{
return mpfi_is_inside_fr(GET_MPFR(fl),GET_MPFI(fr)) ? True : False;
}
static Obj MPFI_2MPFR (Obj self, Obj fl, Obj fr)
{
mp_prec_t precl = mpfr_get_prec(GET_MPFR(fl)),
precr = mpfr_get_prec(GET_MPFR(fr));
Obj g = NEW_MPFI(precl > precr ? precl : precr);
mpfi_interv_fr(MPFI_OBJ(g), GET_MPFR(fl), GET_MPFR(fr));
return g;
}
static Obj INCREASE_MPFI (Obj self, Obj fl, Obj fr)
{
mp_prec_t prec = mpfi_get_prec(GET_MPFI(fl));
Obj g = NEW_MPFI(prec);
mpfi_set(MPFI_OBJ(g), GET_MPFI(fl));
mpfi_increase(MPFI_OBJ(g), GET_MPFR(fr));
return g;
}
static Obj BLOWUP_MPFI (Obj self, Obj fl, Obj fr)
{
mp_prec_t prec = mpfi_get_prec(GET_MPFI(fl));
Obj g = NEW_MPFI(prec);
mpfi_blow(MPFI_OBJ(g), MPFI_OBJ(fl), mpfr_get_d(GET_MPFR(fr), GMP_RNDN));
return g;
}
/****************************************************************
* export functions
****************************************************************/
static StructGVarFunc GVarFuncs [] = {
Inc1_MPFI(AINV_MPFI),
Inc1_MPFI(ABS_MPFI),
Inc1_MPFI(INV_MPFI),
Inc1_MPFI(COS_MPFI),
Inc1_MPFI(SIN_MPFI),
Inc1_MPFI(TAN_MPFI),
Inc1_MPFI(SEC_MPFI),
Inc1_MPFI(CSC_MPFI),
Inc1_MPFI(COT_MPFI),
Inc1_MPFI(ASIN_MPFI),
Inc1_MPFI(ACOS_MPFI),
Inc1_MPFI(ATAN_MPFI)
,
Inc1_MPFI(COSH_MPFI),
Inc1_MPFI(SINH_MPFI),
Inc1_MPFI(TANH_MPFI),
Inc1_MPFI(SECH_MPFI),
Inc1_MPFI(CSCH_MPFI),
Inc1_MPFI(COTH_MPFI),
Inc1_MPFI(ASINH_MPFI),
Inc1_MPFI(ACOSH_MPFI),
Inc1_MPFI(ATANH_MPFI),
Inc1_MPFI(LOG_MPFI),
Inc1_MPFI(LOG2_MPFI),
Inc1_MPFI(LOG10_MPFI),
Inc1_MPFI(EXP_MPFI),
Inc1_MPFI(EXP2_MPFI),
Inc1_MPFI(EXP10_MPFI),
Inc1_MPFI(LOG1P_MPFI),
Inc1_MPFI(EXPM1_MPFI),
Inc1_MPFI(SQRT_MPFI),
Inc1_MPFI(CBRT_MPFI),
Inc1_MPFI(SQR_MPFI),
Inc1_MPFI(ZERO_MPFI),
Inc1_MPFI(ONE_MPFI),
Inc1_MPFI_arg(MPFI_MAKENAN,"int"),
Inc1_MPFI_arg(MPFI_MAKEINFINITY,"int"),
Inc1_MPFI_arg(MPFI_LOG2,"int"),
Inc1_MPFI_arg(MPFI_PI,"int"),
Inc1_MPFI_arg(MPFI_EULER,"int"),
Inc1_MPFI_arg(MPFI_CATALAN,"int"),
Inc1_MPFI_arg(MPFI_INT,"int"),
Inc1_MPFI(INT_MPFI),
Inc1_MPFI(PREC_MPFI),
Inc1_MPFI(LEFT_MPFI),
Inc1_MPFI(RIGHT_MPFI),
Inc1_MPFI(MPFI_MPFR),
Inc1_MPFI(DIAM_ABS_MPFI),
Inc1_MPFI(DIAM_REL_MPFI),
Inc1_MPFI(DIAM_MPFI),
Inc1_MPFI(MAG_MPFI),
Inc1_MPFI(MIG_MPFI),
Inc1_MPFI(MID_MPFI),
Inc1_MPFI(BISECT_MPFI),
Inc1_MPFI(ALEA_MPFI),
Inc1_MPFI(SIGN_MPFI),
Inc1_MPFI(ISPOS_MPFI),
Inc1_MPFI(ISNEG_MPFI),
Inc1_MPFI(ISSTRICTLY_POS_MPFI),
Inc1_MPFI(ISSTRICTLY_NEG_MPFI),
Inc1_MPFI(ISNONPOS_MPFI),
Inc1_MPFI(ISNONNEG_MPFI),
Inc1_MPFI(ISZERO_MPFI),
Inc1_MPFI(HASZERO_MPFI),
Inc1_MPFI(ISNAN_MPFI),
Inc1_MPFI(ISXINF_MPFI),
Inc1_MPFI(ISNINF_MPFI),
Inc1_MPFI(ISPINF_MPFI),
Inc1_MPFI(ISNUMBER_MPFI),
Inc1_MPFI(ISEMPTY_MPFI),
Inc2_MPFIX(SUM),
Inc2_MPFIX(DIFF),
Inc2_MPFIX(PROD),
Inc2_MPFIX(QUO),
Inc2_MPFIX(POW),
Inc2_MPFIX(LQUO),
Inc2_MPFIX(EQ),
Inc2_MPFIX(LT),
/*Inc2_MPFI(MOD_MPFI),*/
Inc2_MPFI(ATAN2_MPFI),
Inc2_MPFI(HYPOT_MPFI),
Inc2_MPFI(INTERSECT_MPFI),
Inc2_MPFI(UNION_MPFI),
Inc2_MPFI(ISINSIDE_MPFI),
Inc2_MPFI(ISSTRICTLY_INSIDE_MPFI),
Inc2_MPFI_arg(ISINSIDE_ZMPFI,"int, interval"),
Inc2_MPFI_arg(ISINSIDE_MPFRMPFI,"float, interval"),
Inc2_MPFI_arg(MPFI_STRING,"string, int"),
Inc2_MPFI_arg(STRING_MPFI,"interval, int"),
Inc2_MPFI_arg(VIEWSTRING_MPFI,"interval, int"),
Inc2_MPFI_arg(ROOT_MPFI,"interval, int"),
Inc2_MPFI_arg(MPFI_INTPREC,"int, int"),
Inc2_MPFI_arg(MPFI_MPFIPREC,"interval, int"),
Inc2_MPFI_arg(LDEXP_MPFI,"interval, int"),
Inc1_MPFI(EXTREPOFOBJ_MPFI),
Inc1_MPFI(FREXP_MPFI),
Inc1_MPFI(OBJBYEXTREP_MPFI),
Inc2_MPFI(MPFI_2MPFR),
Inc2_MPFI_arg(INCREASE_MPFI,"interval, mpfr_real"),
Inc2_MPFI_arg(BLOWUP_MPFI,"interval, mpfr_real"),
{0}
};
int InitMPFIKernel (void)
{
InitHdlrFuncsFromTable (GVarFuncs);
ImportGVarFromLibrary ("TYPE_MPFI", &TYPE_MPFI);
return 0;
}
int InitMPFILibrary (void)
{
InitGVarFuncsFromTable (GVarFuncs);
return 0;
}
/****************************************************************************
**
*E mpfi.c . . . . . . . . . . . . . . . . . . . . . . . . . . . . ends here
*/
|