forked from Mirrorlandia_minetest/minetest
master #7
@ -1,27 +1,39 @@
|
||||
/* mini-gmp, a minimalistic implementation of a GNU GMP subset.
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||||
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Contributed to the GNU project by Niels Möller
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||||
Additional functionalities and improvements by Marco Bodrato.
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||||
Copyright 1991-1997, 1999-2019 Free Software Foundation, Inc.
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||||
Copyright 1991-1997, 1999-2022 Free Software Foundation, Inc.
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||||
|
||||
This file is part of the GNU MP Library.
|
||||
|
||||
The GNU MP Library is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 3 of the License, or (at your
|
||||
option) any later version.
|
||||
it under the terms of either:
|
||||
|
||||
* the GNU Lesser General Public License as published by the Free
|
||||
Software Foundation; either version 3 of the License, or (at your
|
||||
option) any later version.
|
||||
|
||||
or
|
||||
|
||||
* the GNU General Public License as published by the Free Software
|
||||
Foundation; either version 2 of the License, or (at your option) any
|
||||
later version.
|
||||
|
||||
or both in parallel, as here.
|
||||
|
||||
The GNU MP Library is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
||||
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
||||
License for more details.
|
||||
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
|
||||
You should have received copies of the GNU General Public License and the
|
||||
GNU Lesser General Public License along with the GNU MP Library. If not,
|
||||
see https://www.gnu.org/licenses/. */
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||||
|
||||
/* NOTE: All functions in this file which are not declared in
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||||
mini-gmp.h are internal, and are not intended to be compatible
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neither with GMP nor with future versions of mini-gmp. */
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with GMP or with future versions of mini-gmp. */
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/* Much of the material copied from GMP files, including: gmp-impl.h,
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longlong.h, mpn/generic/add_n.c, mpn/generic/addmul_1.c,
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||||
@ -43,7 +55,7 @@ along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
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#include <float.h>
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#endif
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/* Macros */
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#define GMP_LIMB_BITS (sizeof(mp_limb_t) * CHAR_BIT)
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@ -79,6 +91,7 @@ along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
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#define gmp_assert_nocarry(x) do { \
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mp_limb_t __cy = (x); \
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assert (__cy == 0); \
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(void) (__cy); \
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} while (0)
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#define gmp_clz(count, x) do { \
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@ -137,6 +150,7 @@ along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
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mp_limb_t __x0, __x1, __x2, __x3; \
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unsigned __ul, __vl, __uh, __vh; \
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mp_limb_t __u = (u), __v = (v); \
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assert (sizeof (unsigned) * 2 >= sizeof (mp_limb_t)); \
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\
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__ul = __u & GMP_LLIMB_MASK; \
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__uh = __u >> (GMP_LIMB_BITS / 2); \
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@ -158,12 +172,19 @@ along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
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} \
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} while (0)
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/* If mp_limb_t is of size smaller than int, plain u*v implies
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automatic promotion to *signed* int, and then multiply may overflow
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and cause undefined behavior. Explicitly cast to unsigned int for
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that case. */
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#define gmp_umullo_limb(u, v) \
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((sizeof(mp_limb_t) >= sizeof(int)) ? (u)*(v) : (unsigned int)(u) * (v))
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#define gmp_udiv_qrnnd_preinv(q, r, nh, nl, d, di) \
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do { \
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mp_limb_t _qh, _ql, _r, _mask; \
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gmp_umul_ppmm (_qh, _ql, (nh), (di)); \
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gmp_add_ssaaaa (_qh, _ql, _qh, _ql, (nh) + 1, (nl)); \
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_r = (nl) - _qh * (d); \
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_r = (nl) - gmp_umullo_limb (_qh, (d)); \
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_mask = -(mp_limb_t) (_r > _ql); /* both > and >= are OK */ \
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_qh += _mask; \
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_r += _mask & (d); \
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@ -184,7 +205,7 @@ along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
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gmp_add_ssaaaa ((q), _q0, (q), _q0, (n2), (n1)); \
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\
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/* Compute the two most significant limbs of n - q'd */ \
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(r1) = (n1) - (d1) * (q); \
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(r1) = (n1) - gmp_umullo_limb ((d1), (q)); \
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gmp_sub_ddmmss ((r1), (r0), (r1), (n0), (d1), (d0)); \
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gmp_umul_ppmm (_t1, _t0, (d0), (q)); \
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gmp_sub_ddmmss ((r1), (r0), (r1), (r0), _t1, _t0); \
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@ -340,20 +361,27 @@ mp_set_memory_functions (void *(*alloc_func) (size_t),
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gmp_free_func = free_func;
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}
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#define gmp_xalloc(size) ((*gmp_allocate_func)((size)))
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#define gmp_free(p) ((*gmp_free_func) ((p), 0))
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#define gmp_alloc(size) ((*gmp_allocate_func)((size)))
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#define gmp_free(p, size) ((*gmp_free_func) ((p), (size)))
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#define gmp_realloc(ptr, old_size, size) ((*gmp_reallocate_func)(ptr, old_size, size))
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static mp_ptr
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gmp_xalloc_limbs (mp_size_t size)
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gmp_alloc_limbs (mp_size_t size)
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{
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return (mp_ptr) gmp_xalloc (size * sizeof (mp_limb_t));
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return (mp_ptr) gmp_alloc (size * sizeof (mp_limb_t));
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}
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static mp_ptr
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gmp_xrealloc_limbs (mp_ptr old, mp_size_t size)
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gmp_realloc_limbs (mp_ptr old, mp_size_t old_size, mp_size_t size)
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{
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assert (size > 0);
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return (mp_ptr) (*gmp_reallocate_func) (old, 0, size * sizeof (mp_limb_t));
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return (mp_ptr) gmp_realloc (old, old_size * sizeof (mp_limb_t), size * sizeof (mp_limb_t));
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}
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static void
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gmp_free_limbs (mp_ptr old, mp_size_t size)
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{
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gmp_free (old, size * sizeof (mp_limb_t));
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}
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@ -765,6 +793,7 @@ mpn_invert_3by2 (mp_limb_t u1, mp_limb_t u0)
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mp_limb_t p, ql;
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unsigned ul, uh, qh;
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|
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assert (sizeof (unsigned) * 2 >= sizeof (mp_limb_t));
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/* For notation, let b denote the half-limb base, so that B = b^2.
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Split u1 = b uh + ul. */
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ul = u1 & GMP_LLIMB_MASK;
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@ -945,11 +974,17 @@ mpn_div_qr_1_preinv (mp_ptr qp, mp_srcptr np, mp_size_t nn,
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mp_limb_t d, di;
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mp_limb_t r;
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||||
mp_ptr tp = NULL;
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||||
mp_size_t tn = 0;
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||||
|
||||
if (inv->shift > 0)
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||||
{
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||||
/* Shift, reusing qp area if possible. In-place shift if qp == np. */
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||||
tp = qp ? qp : gmp_xalloc_limbs (nn);
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tp = qp;
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if (!tp)
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{
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tn = nn;
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tp = gmp_alloc_limbs (tn);
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||||
}
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r = mpn_lshift (tp, np, nn, inv->shift);
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np = tp;
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}
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@ -966,8 +1001,8 @@ mpn_div_qr_1_preinv (mp_ptr qp, mp_srcptr np, mp_size_t nn,
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if (qp)
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||||
qp[nn] = q;
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}
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||||
if ((inv->shift > 0) && (tp != qp))
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||||
gmp_free (tp);
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if (tn)
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||||
gmp_free_limbs (tp, tn);
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||||
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return r >> inv->shift;
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}
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@ -1125,13 +1160,13 @@ mpn_div_qr (mp_ptr qp, mp_ptr np, mp_size_t nn, mp_srcptr dp, mp_size_t dn)
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mpn_div_qr_invert (&inv, dp, dn);
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||||
if (dn > 2 && inv.shift > 0)
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||||
{
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||||
tp = gmp_xalloc_limbs (dn);
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tp = gmp_alloc_limbs (dn);
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gmp_assert_nocarry (mpn_lshift (tp, dp, dn, inv.shift));
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dp = tp;
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}
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mpn_div_qr_preinv (qp, np, nn, dp, dn, &inv);
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if (tp)
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gmp_free (tp);
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gmp_free_limbs (tp, dn);
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}
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@ -1307,29 +1342,26 @@ mpn_set_str_bits (mp_ptr rp, const unsigned char *sp, size_t sn,
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unsigned bits)
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{
|
||||
mp_size_t rn;
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||||
size_t j;
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mp_limb_t limb;
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unsigned shift;
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for (j = sn, rn = 0, shift = 0; j-- > 0; )
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for (limb = 0, rn = 0, shift = 0; sn-- > 0; )
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{
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if (shift == 0)
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limb |= (mp_limb_t) sp[sn] << shift;
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shift += bits;
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if (shift >= GMP_LIMB_BITS)
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{
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rp[rn++] = sp[j];
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shift += bits;
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}
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else
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{
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rp[rn-1] |= (mp_limb_t) sp[j] << shift;
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shift += bits;
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if (shift >= GMP_LIMB_BITS)
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{
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shift -= GMP_LIMB_BITS;
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if (shift > 0)
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rp[rn++] = (mp_limb_t) sp[j] >> (bits - shift);
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}
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shift -= GMP_LIMB_BITS;
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rp[rn++] = limb;
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/* Next line is correct also if shift == 0,
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bits == 8, and mp_limb_t == unsigned char. */
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limb = (unsigned int) sp[sn] >> (bits - shift);
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}
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}
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rn = mpn_normalized_size (rp, rn);
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if (limb != 0)
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rp[rn++] = limb;
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else
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rn = mpn_normalized_size (rp, rn);
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return rn;
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}
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@ -1417,14 +1449,14 @@ mpz_init2 (mpz_t r, mp_bitcnt_t bits)
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|
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r->_mp_alloc = rn;
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r->_mp_size = 0;
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||||
r->_mp_d = gmp_xalloc_limbs (rn);
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||||
r->_mp_d = gmp_alloc_limbs (rn);
|
||||
}
|
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|
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void
|
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mpz_clear (mpz_t r)
|
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{
|
||||
if (r->_mp_alloc)
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gmp_free (r->_mp_d);
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gmp_free_limbs (r->_mp_d, r->_mp_alloc);
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}
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static mp_ptr
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@ -1433,9 +1465,9 @@ mpz_realloc (mpz_t r, mp_size_t size)
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size = GMP_MAX (size, 1);
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|
||||
if (r->_mp_alloc)
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r->_mp_d = gmp_xrealloc_limbs (r->_mp_d, size);
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r->_mp_d = gmp_realloc_limbs (r->_mp_d, r->_mp_alloc, size);
|
||||
else
|
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r->_mp_d = gmp_xalloc_limbs (size);
|
||||
r->_mp_d = gmp_alloc_limbs (size);
|
||||
r->_mp_alloc = size;
|
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|
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if (GMP_ABS (r->_mp_size) > size)
|
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@ -1530,8 +1562,7 @@ mpz_init_set (mpz_t r, const mpz_t x)
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int
|
||||
mpz_fits_slong_p (const mpz_t u)
|
||||
{
|
||||
return (LONG_MAX + LONG_MIN == 0 || mpz_cmp_ui (u, LONG_MAX) <= 0) &&
|
||||
mpz_cmpabs_ui (u, GMP_NEG_CAST (unsigned long int, LONG_MIN)) <= 0;
|
||||
return mpz_cmp_si (u, LONG_MAX) <= 0 && mpz_cmp_si (u, LONG_MIN) >= 0;
|
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}
|
||||
|
||||
static int
|
||||
@ -1554,6 +1585,30 @@ mpz_fits_ulong_p (const mpz_t u)
|
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return us >= 0 && mpn_absfits_ulong_p (u->_mp_d, us);
|
||||
}
|
||||
|
||||
int
|
||||
mpz_fits_sint_p (const mpz_t u)
|
||||
{
|
||||
return mpz_cmp_si (u, INT_MAX) <= 0 && mpz_cmp_si (u, INT_MIN) >= 0;
|
||||
}
|
||||
|
||||
int
|
||||
mpz_fits_uint_p (const mpz_t u)
|
||||
{
|
||||
return u->_mp_size >= 0 && mpz_cmpabs_ui (u, UINT_MAX) <= 0;
|
||||
}
|
||||
|
||||
int
|
||||
mpz_fits_sshort_p (const mpz_t u)
|
||||
{
|
||||
return mpz_cmp_si (u, SHRT_MAX) <= 0 && mpz_cmp_si (u, SHRT_MIN) >= 0;
|
||||
}
|
||||
|
||||
int
|
||||
mpz_fits_ushort_p (const mpz_t u)
|
||||
{
|
||||
return u->_mp_size >= 0 && mpz_cmpabs_ui (u, USHRT_MAX) <= 0;
|
||||
}
|
||||
|
||||
long int
|
||||
mpz_get_si (const mpz_t u)
|
||||
{
|
||||
@ -1891,9 +1946,8 @@ mpz_neg (mpz_t r, const mpz_t u)
|
||||
void
|
||||
mpz_swap (mpz_t u, mpz_t v)
|
||||
{
|
||||
MP_SIZE_T_SWAP (u->_mp_size, v->_mp_size);
|
||||
MP_SIZE_T_SWAP (u->_mp_alloc, v->_mp_alloc);
|
||||
MP_PTR_SWAP (u->_mp_d, v->_mp_d);
|
||||
MPN_PTR_SWAP (u->_mp_d, u->_mp_size, v->_mp_d, v->_mp_size);
|
||||
}
|
||||
|
||||
|
||||
@ -2676,7 +2730,7 @@ mpz_make_odd (mpz_t r)
|
||||
|
||||
assert (r->_mp_size > 0);
|
||||
/* Count trailing zeros, equivalent to mpn_scan1, because we know that there is a 1 */
|
||||
shift = mpn_common_scan (r->_mp_d[0], 0, r->_mp_d, 0, 0);
|
||||
shift = mpn_scan1 (r->_mp_d, 0);
|
||||
mpz_tdiv_q_2exp (r, r, shift);
|
||||
|
||||
return shift;
|
||||
@ -2733,9 +2787,13 @@ mpz_gcd (mpz_t g, const mpz_t u, const mpz_t v)
|
||||
|
||||
if (tv->_mp_size == 1)
|
||||
{
|
||||
mp_limb_t vl = tv->_mp_d[0];
|
||||
mp_limb_t ul = mpz_tdiv_ui (tu, vl);
|
||||
mpz_set_ui (g, mpn_gcd_11 (ul, vl));
|
||||
mp_limb_t *gp;
|
||||
|
||||
mpz_tdiv_r (tu, tu, tv);
|
||||
gp = MPZ_REALLOC (g, 1); /* gp = mpz_limbs_modify (g, 1); */
|
||||
*gp = mpn_gcd_11 (tu->_mp_d[0], tv->_mp_d[0]);
|
||||
|
||||
g->_mp_size = *gp != 0; /* mpz_limbs_finish (g, 1); */
|
||||
break;
|
||||
}
|
||||
mpz_sub (tu, tu, tv);
|
||||
@ -2824,7 +2882,6 @@ mpz_gcdext (mpz_t g, mpz_t s, mpz_t t, const mpz_t u, const mpz_t v)
|
||||
* s0 = 0, s1 = 2^vz
|
||||
*/
|
||||
|
||||
mpz_setbit (t0, uz);
|
||||
mpz_tdiv_qr (t1, tu, tu, tv);
|
||||
mpz_mul_2exp (t1, t1, uz);
|
||||
|
||||
@ -2835,8 +2892,7 @@ mpz_gcdext (mpz_t g, mpz_t s, mpz_t t, const mpz_t u, const mpz_t v)
|
||||
{
|
||||
mp_bitcnt_t shift;
|
||||
shift = mpz_make_odd (tu);
|
||||
mpz_mul_2exp (t0, t0, shift);
|
||||
mpz_mul_2exp (s0, s0, shift);
|
||||
mpz_setbit (t0, uz + shift);
|
||||
power += shift;
|
||||
|
||||
for (;;)
|
||||
@ -2874,6 +2930,8 @@ mpz_gcdext (mpz_t g, mpz_t s, mpz_t t, const mpz_t u, const mpz_t v)
|
||||
power += shift;
|
||||
}
|
||||
}
|
||||
else
|
||||
mpz_setbit (t0, uz);
|
||||
|
||||
/* Now tv = odd part of gcd, and -s0 and t0 are corresponding
|
||||
cofactors. */
|
||||
@ -3048,7 +3106,7 @@ mpz_powm (mpz_t r, const mpz_t b, const mpz_t e, const mpz_t m)
|
||||
|
||||
if (en == 0)
|
||||
{
|
||||
mpz_set_ui (r, 1);
|
||||
mpz_set_ui (r, mpz_cmpabs_ui (m, 1));
|
||||
return;
|
||||
}
|
||||
|
||||
@ -3062,7 +3120,7 @@ mpz_powm (mpz_t r, const mpz_t b, const mpz_t e, const mpz_t m)
|
||||
one, using a *normalized* m. */
|
||||
minv.shift = 0;
|
||||
|
||||
tp = gmp_xalloc_limbs (mn);
|
||||
tp = gmp_alloc_limbs (mn);
|
||||
gmp_assert_nocarry (mpn_lshift (tp, mp, mn, shift));
|
||||
mp = tp;
|
||||
}
|
||||
@ -3128,7 +3186,7 @@ mpz_powm (mpz_t r, const mpz_t b, const mpz_t e, const mpz_t m)
|
||||
tr->_mp_size = mpn_normalized_size (tr->_mp_d, mn);
|
||||
}
|
||||
if (tp)
|
||||
gmp_free (tp);
|
||||
gmp_free_limbs (tp, mn);
|
||||
|
||||
mpz_swap (r, tr);
|
||||
mpz_clear (tr);
|
||||
@ -3150,6 +3208,7 @@ void
|
||||
mpz_rootrem (mpz_t x, mpz_t r, const mpz_t y, unsigned long z)
|
||||
{
|
||||
int sgn;
|
||||
mp_bitcnt_t bc;
|
||||
mpz_t t, u;
|
||||
|
||||
sgn = y->_mp_size < 0;
|
||||
@ -3168,7 +3227,8 @@ mpz_rootrem (mpz_t x, mpz_t r, const mpz_t y, unsigned long z)
|
||||
|
||||
mpz_init (u);
|
||||
mpz_init (t);
|
||||
mpz_setbit (t, mpz_sizeinbase (y, 2) / z + 1);
|
||||
bc = (mpz_sizeinbase (y, 2) - 1) / z + 1;
|
||||
mpz_setbit (t, bc);
|
||||
|
||||
if (z == 2) /* simplify sqrt loop: z-1 == 1 */
|
||||
do {
|
||||
@ -3339,13 +3399,15 @@ gmp_jacobi_coprime (mp_limb_t a, mp_limb_t b)
|
||||
gmp_ctz(c, a);
|
||||
a >>= 1;
|
||||
|
||||
do
|
||||
for (;;)
|
||||
{
|
||||
a >>= c;
|
||||
/* (2/b) = -1 if b = 3 or 5 mod 8 */
|
||||
bit ^= c & (b ^ (b >> 1));
|
||||
if (a < b)
|
||||
{
|
||||
if (a == 0)
|
||||
return bit & 1 ? -1 : 1;
|
||||
bit ^= a & b;
|
||||
a = b - a;
|
||||
b -= a;
|
||||
@ -3359,9 +3421,6 @@ gmp_jacobi_coprime (mp_limb_t a, mp_limb_t b)
|
||||
gmp_ctz(c, a);
|
||||
++c;
|
||||
}
|
||||
while (b > 0);
|
||||
|
||||
return bit & 1 ? -1 : 1;
|
||||
}
|
||||
|
||||
static void
|
||||
@ -3407,7 +3466,7 @@ gmp_lucas_mod (mpz_t V, mpz_t Qk, long Q,
|
||||
gmp_lucas_step_k_2k (V, Qk, n);
|
||||
|
||||
/* A step k->k+1 is performed if the bit in $n$ is 1 */
|
||||
/* mpz_tstbit(n,bs) or the the bit is 0 in $n$ but */
|
||||
/* mpz_tstbit(n,bs) or the bit is 0 in $n$ but */
|
||||
/* should be 1 in $n+1$ (bs == b0) */
|
||||
if (b0 == bs || mpz_tstbit (n, bs))
|
||||
{
|
||||
@ -3476,7 +3535,8 @@ gmp_stronglucas (const mpz_t x, mpz_t Qk)
|
||||
mpz_init (V);
|
||||
|
||||
/* n-(D/n) = n+1 = d*2^{b0}, with d = (n>>b0) | 1 */
|
||||
b0 = mpz_scan0 (n, 0);
|
||||
b0 = mpn_common_scan (~ n->_mp_d[0], 0, n->_mp_d, n->_mp_size, GMP_LIMB_MAX);
|
||||
/* b0 = mpz_scan0 (n, 0); */
|
||||
|
||||
/* D= P^2 - 4Q; P = 1; Q = (1-D)/4 */
|
||||
Q = (D & 2) ? (long) (D >> 2) + 1 : -(long) (D >> 2);
|
||||
@ -3508,11 +3568,6 @@ gmp_millerrabin (const mpz_t n, const mpz_t nm1, mpz_t y,
|
||||
mpz_powm_ui (y, y, 2, n);
|
||||
if (mpz_cmp (y, nm1) == 0)
|
||||
return 1;
|
||||
/* y == 1 means that the previous y was a non-trivial square root
|
||||
of 1 (mod n). y == 0 means that n is a power of the base.
|
||||
In either case, n is not prime. */
|
||||
if (mpz_cmp_ui (y, 1) <= 0)
|
||||
return 0;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
@ -3558,7 +3613,8 @@ mpz_probab_prime_p (const mpz_t n, int reps)
|
||||
/* Find q and k, where q is odd and n = 1 + 2**k * q. */
|
||||
mpz_abs (nm1, n);
|
||||
nm1->_mp_d[0] -= 1;
|
||||
k = mpz_scan1 (nm1, 0);
|
||||
/* Count trailing zeros, equivalent to mpn_scan1, because we know that there is a 1 */
|
||||
k = mpn_scan1 (nm1->_mp_d, 0);
|
||||
mpz_tdiv_q_2exp (q, nm1, k);
|
||||
|
||||
/* BPSW test */
|
||||
@ -4133,7 +4189,7 @@ mpz_scan0 (const mpz_t u, mp_bitcnt_t starting_bit)
|
||||
size_t
|
||||
mpz_sizeinbase (const mpz_t u, int base)
|
||||
{
|
||||
mp_size_t un;
|
||||
mp_size_t un, tn;
|
||||
mp_srcptr up;
|
||||
mp_ptr tp;
|
||||
mp_bitcnt_t bits;
|
||||
@ -4166,20 +4222,21 @@ mpz_sizeinbase (const mpz_t u, int base)
|
||||
10. */
|
||||
}
|
||||
|
||||
tp = gmp_xalloc_limbs (un);
|
||||
tp = gmp_alloc_limbs (un);
|
||||
mpn_copyi (tp, up, un);
|
||||
mpn_div_qr_1_invert (&bi, base);
|
||||
|
||||
tn = un;
|
||||
ndigits = 0;
|
||||
do
|
||||
{
|
||||
ndigits++;
|
||||
mpn_div_qr_1_preinv (tp, tp, un, &bi);
|
||||
un -= (tp[un-1] == 0);
|
||||
mpn_div_qr_1_preinv (tp, tp, tn, &bi);
|
||||
tn -= (tp[tn-1] == 0);
|
||||
}
|
||||
while (un > 0);
|
||||
while (tn > 0);
|
||||
|
||||
gmp_free (tp);
|
||||
gmp_free_limbs (tp, un);
|
||||
return ndigits;
|
||||
}
|
||||
|
||||
@ -4189,7 +4246,7 @@ mpz_get_str (char *sp, int base, const mpz_t u)
|
||||
unsigned bits;
|
||||
const char *digits;
|
||||
mp_size_t un;
|
||||
size_t i, sn;
|
||||
size_t i, sn, osn;
|
||||
|
||||
digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
|
||||
if (base > 1)
|
||||
@ -4210,15 +4267,19 @@ mpz_get_str (char *sp, int base, const mpz_t u)
|
||||
|
||||
sn = 1 + mpz_sizeinbase (u, base);
|
||||
if (!sp)
|
||||
sp = (char *) gmp_xalloc (1 + sn);
|
||||
|
||||
{
|
||||
osn = 1 + sn;
|
||||
sp = (char *) gmp_alloc (osn);
|
||||
}
|
||||
else
|
||||
osn = 0;
|
||||
un = GMP_ABS (u->_mp_size);
|
||||
|
||||
if (un == 0)
|
||||
{
|
||||
sp[0] = '0';
|
||||
sp[1] = '\0';
|
||||
return sp;
|
||||
sn = 1;
|
||||
goto ret;
|
||||
}
|
||||
|
||||
i = 0;
|
||||
@ -4237,17 +4298,20 @@ mpz_get_str (char *sp, int base, const mpz_t u)
|
||||
mp_ptr tp;
|
||||
|
||||
mpn_get_base_info (&info, base);
|
||||
tp = gmp_xalloc_limbs (un);
|
||||
tp = gmp_alloc_limbs (un);
|
||||
mpn_copyi (tp, u->_mp_d, un);
|
||||
|
||||
sn = i + mpn_get_str_other ((unsigned char *) sp + i, base, &info, tp, un);
|
||||
gmp_free (tp);
|
||||
gmp_free_limbs (tp, un);
|
||||
}
|
||||
|
||||
for (; i < sn; i++)
|
||||
sp[i] = digits[(unsigned char) sp[i]];
|
||||
|
||||
ret:
|
||||
sp[sn] = '\0';
|
||||
if (osn && osn != sn + 1)
|
||||
sp = (char*) gmp_realloc (sp, osn, sn + 1);
|
||||
return sp;
|
||||
}
|
||||
|
||||
@ -4257,7 +4321,7 @@ mpz_set_str (mpz_t r, const char *sp, int base)
|
||||
unsigned bits, value_of_a;
|
||||
mp_size_t rn, alloc;
|
||||
mp_ptr rp;
|
||||
size_t dn;
|
||||
size_t dn, sn;
|
||||
int sign;
|
||||
unsigned char *dp;
|
||||
|
||||
@ -4295,7 +4359,8 @@ mpz_set_str (mpz_t r, const char *sp, int base)
|
||||
r->_mp_size = 0;
|
||||
return -1;
|
||||
}
|
||||
dp = (unsigned char *) gmp_xalloc (strlen (sp));
|
||||
sn = strlen(sp);
|
||||
dp = (unsigned char *) gmp_alloc (sn);
|
||||
|
||||
value_of_a = (base > 36) ? 36 : 10;
|
||||
for (dn = 0; *sp; sp++)
|
||||
@ -4315,7 +4380,7 @@ mpz_set_str (mpz_t r, const char *sp, int base)
|
||||
|
||||
if (digit >= (unsigned) base)
|
||||
{
|
||||
gmp_free (dp);
|
||||
gmp_free (dp, sn);
|
||||
r->_mp_size = 0;
|
||||
return -1;
|
||||
}
|
||||
@ -4325,7 +4390,7 @@ mpz_set_str (mpz_t r, const char *sp, int base)
|
||||
|
||||
if (!dn)
|
||||
{
|
||||
gmp_free (dp);
|
||||
gmp_free (dp, sn);
|
||||
r->_mp_size = 0;
|
||||
return -1;
|
||||
}
|
||||
@ -4349,7 +4414,7 @@ mpz_set_str (mpz_t r, const char *sp, int base)
|
||||
rn -= rp[rn-1] == 0;
|
||||
}
|
||||
assert (rn <= alloc);
|
||||
gmp_free (dp);
|
||||
gmp_free (dp, sn);
|
||||
|
||||
r->_mp_size = sign ? - rn : rn;
|
||||
|
||||
@ -4367,13 +4432,15 @@ size_t
|
||||
mpz_out_str (FILE *stream, int base, const mpz_t x)
|
||||
{
|
||||
char *str;
|
||||
size_t len;
|
||||
size_t len, n;
|
||||
|
||||
str = mpz_get_str (NULL, base, x);
|
||||
if (!str)
|
||||
return 0;
|
||||
len = strlen (str);
|
||||
len = fwrite (str, 1, len, stream);
|
||||
gmp_free (str);
|
||||
return len;
|
||||
n = fwrite (str, 1, len, stream);
|
||||
gmp_free (str, len + 1);
|
||||
return n;
|
||||
}
|
||||
|
||||
|
||||
@ -4462,7 +4529,7 @@ mpz_export (void *r, size_t *countp, int order, size_t size, int endian,
|
||||
mp_size_t un;
|
||||
|
||||
if (nails != 0)
|
||||
gmp_die ("mpz_import: Nails not supported.");
|
||||
gmp_die ("mpz_export: Nails not supported.");
|
||||
|
||||
assert (order == 1 || order == -1);
|
||||
assert (endian >= -1 && endian <= 1);
|
||||
@ -4477,7 +4544,7 @@ mpz_export (void *r, size_t *countp, int order, size_t size, int endian,
|
||||
ptrdiff_t word_step;
|
||||
/* The current (partial) limb. */
|
||||
mp_limb_t limb;
|
||||
/* The number of bytes left to to in this limb. */
|
||||
/* The number of bytes left to do in this limb. */
|
||||
size_t bytes;
|
||||
/* The index where the limb was read. */
|
||||
mp_size_t i;
|
||||
@ -4501,7 +4568,7 @@ mpz_export (void *r, size_t *countp, int order, size_t size, int endian,
|
||||
count = (k + (un-1) * sizeof (mp_limb_t) + size - 1) / size;
|
||||
|
||||
if (!r)
|
||||
r = gmp_xalloc (count * size);
|
||||
r = gmp_alloc (count * size);
|
||||
|
||||
if (endian == 0)
|
||||
endian = gmp_detect_endian ();
|
||||
|
||||
@ -1,21 +1,32 @@
|
||||
/* mini-gmp, a minimalistic implementation of a GNU GMP subset.
|
||||
|
||||
Copyright 2011-2015, 2017, 2019 Free Software Foundation, Inc.
|
||||
Copyright 2011-2015, 2017, 2019-2021 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of the GNU MP Library.
|
||||
|
||||
The GNU MP Library is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 3 of the License, or (at your
|
||||
option) any later version.
|
||||
it under the terms of either:
|
||||
|
||||
* the GNU Lesser General Public License as published by the Free
|
||||
Software Foundation; either version 3 of the License, or (at your
|
||||
option) any later version.
|
||||
|
||||
or
|
||||
|
||||
* the GNU General Public License as published by the Free Software
|
||||
Foundation; either version 2 of the License, or (at your option) any
|
||||
later version.
|
||||
|
||||
or both in parallel, as here.
|
||||
|
||||
The GNU MP Library is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
||||
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
||||
License for more details.
|
||||
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
|
||||
You should have received copies of the GNU General Public License and the
|
||||
GNU Lesser General Public License along with the GNU MP Library. If not,
|
||||
see https://www.gnu.org/licenses/. */
|
||||
|
||||
/* About mini-gmp: This is a minimal implementation of a subset of the
|
||||
GMP interface. It is intended for inclusion into applications which
|
||||
@ -233,6 +244,10 @@ mp_bitcnt_t mpz_scan1 (const mpz_t, mp_bitcnt_t);
|
||||
|
||||
int mpz_fits_slong_p (const mpz_t);
|
||||
int mpz_fits_ulong_p (const mpz_t);
|
||||
int mpz_fits_sint_p (const mpz_t);
|
||||
int mpz_fits_uint_p (const mpz_t);
|
||||
int mpz_fits_sshort_p (const mpz_t);
|
||||
int mpz_fits_ushort_p (const mpz_t);
|
||||
long int mpz_get_si (const mpz_t);
|
||||
unsigned long int mpz_get_ui (const mpz_t);
|
||||
double mpz_get_d (const mpz_t);
|
||||
@ -280,7 +295,9 @@ int mpz_init_set_str (mpz_t, const char *, int);
|
||||
|| defined (_MSL_STDIO_H) /* Metrowerks */ \
|
||||
|| defined (_STDIO_H_INCLUDED) /* QNX4 */ \
|
||||
|| defined (_ISO_STDIO_ISO_H) /* Sun C++ */ \
|
||||
|| defined (__STDIO_LOADED) /* VMS */
|
||||
|| defined (__STDIO_LOADED) /* VMS */ \
|
||||
|| defined (_STDIO) /* HPE NonStop */ \
|
||||
|| defined (__DEFINED_FILE) /* musl */
|
||||
size_t mpz_out_str (FILE *, int, const mpz_t);
|
||||
#endif
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user