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- /* Include file for internal GNU MP types and definitions.
-
- Copyright (C) 1991, 1993, 1994 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 Library General Public License as published by
- the Free Software Foundation; either version 2 of the License, or (at your
- option) any later version.
-
- 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 Library General Public
- License for more details.
-
- You should have received a copy of the GNU Library General Public License
- along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #if ! defined (alloca)
- #if defined (__GNUC__) || defined (__sparc__) || defined (sparc)
- #define alloca __builtin_alloca
- #endif
- #endif
-
- #ifndef NULL
- #define NULL 0L
- #endif
-
- #if ! defined (__GNUC__)
- #define inline /* Empty */
- void *alloca();
- #endif
-
- #define ABS(x) (x >= 0 ? x : -x)
- #define MIN(l,o) ((l) < (o) ? (l) : (o))
- #define MAX(h,i) ((h) > (i) ? (h) : (i))
-
- #include "gmp-mparam.h"
- /* #include "longlong.h" */
-
- #ifdef __STDC__
- void *malloc (size_t);
- void *realloc (void *, size_t);
- void free (void *);
-
- extern void * (*_mp_allocate_func) (size_t);
- extern void * (*_mp_reallocate_func) (void *, size_t, size_t);
- extern void (*_mp_free_func) (void *, size_t);
-
- void *_mp_default_allocate (size_t);
- void *_mp_default_reallocate (void *, size_t, size_t);
- void _mp_default_free (void *, size_t);
-
- #else
-
- #define const /* Empty */
- #define signed /* Empty */
-
- void *malloc ();
- void *realloc ();
- void free ();
-
- extern void * (*_mp_allocate_func) ();
- extern void * (*_mp_reallocate_func) ();
- extern void (*_mp_free_func) ();
-
- void *_mp_default_allocate ();
- void *_mp_default_reallocate ();
- void _mp_default_free ();
- #endif
-
- /* Copy NLIMBS *limbs* from SRC to DST. */
- #define MPN_COPY_INCR(DST, SRC, NLIMBS) \
- do { \
- mp_size_t __i; \
- for (__i = 0; __i < (NLIMBS); __i++) \
- (DST)[__i] = (SRC)[__i]; \
- } while (0)
- #define MPN_COPY_DECR(DST, SRC, NLIMBS) \
- do { \
- mp_size_t __i; \
- for (__i = (NLIMBS) - 1; __i >= 0; __i--) \
- (DST)[__i] = (SRC)[__i]; \
- } while (0)
- #define MPN_COPY MPN_COPY_INCR
-
- /* Zero NLIMBS *limbs* AT DST. */
- #define MPN_ZERO(DST, NLIMBS) \
- do { \
- mp_size_t __i; \
- for (__i = 0; __i < (NLIMBS); __i++) \
- (DST)[__i] = 0; \
- } while (0)
-
- #define MPN_NORMALIZE(DST, NLIMBS) \
- do { \
- while (NLIMBS > 0) \
- { \
- if ((DST)[(NLIMBS) - 1] != 0) \
- break; \
- NLIMBS--; \
- } \
- } while (0)
- #define MPN_NORMALIZE_NOT_ZERO(DST, NLIMBS) \
- do { \
- while (1) \
- { \
- if ((DST)[(NLIMBS) - 1] != 0) \
- break; \
- NLIMBS--; \
- } \
- } while (0)
-
- /* Swap (mp_ptr, mp_size_t) (U, UL) with (V, VL) */
- #define MPN_SWAP(u, l, v, m) \
- do { \
- { mp_ptr _; _ = (u), (u) = (v), (v) = _;} \
- { mp_size_t _; _ = (l), (l) = (m), (m) = _;} \
- } while (0)
-
- /* Return true iff the limb X has less bits than the limb Y. */
- #define MPN_LESS_BITS_LIMB(x,y) ((x) < (y) && (x) < ((x) ^ (y)))
-
- /* Return true iff (mp_ptr, mp_size_t) (U, UL) has less bits than (V, VL). */
- #define MPN_LESS_BITS(u, l, v, m) \
- ((l) < (m) \
- || ((l) == (m) && (l) != 0 && MPN_LESS_BITS_LIMB ((u)[(l - 1)], (v)[(l) - 1])))
-
- /* Return true iff (mp_ptr, mp_size_t) (U, UL) has more bits than (V, VL). */
- #define MPN_MORE_BITS(u, l, v, m) MPN_LESS_BITS (v, m, u, l)
-
- /* Perform twos complement on (mp_ptr, mp_size_t) (U, UL),
- putting result at (v, VL). Precondition: U[0] != 0. */
- #define MPN_COMPL_INCR(u, v, l) \
- do { \
- mp_size_t _ = 0; \
- (u)[0] = -(v)[_]; \
- while (_++ < (l)) \
- (u)[_] = ~(v)[_]; \
- } while (0)
- #define MPN_COMPL MPN_COMPL_INCR
-
- /* Initialize the MP_INT X with space for NLIMBS limbs.
- X should be a temporary variable, and it will be automatically
- cleared out when the running function returns.
- We use __x here to make it possible to accept both mpz_ptr and mpz_t
- arguments. */
- #define MPZ_TMP_INIT(X, NLIMBS) \
- do { \
- mpz_ptr __x = (X); \
- __x->alloc = (NLIMBS); \
- __x->d = (mp_ptr) alloca ((NLIMBS) * BYTES_PER_MP_LIMB); \
- } while (0)
-
- #define MPN_MUL_N_RECURSE(prodp, up, vp, size, tspace) \
- do { \
- if ((size) < KARATSUBA_THRESHOLD) \
- ____mpn_mul_n_basecase (prodp, up, vp, size); \
- else \
- ____mpn_mul_n (prodp, up, vp, size, tspace); \
- } while (0);
- #define MPN_SQR_N_RECURSE(prodp, up, size, tspace) \
- do { \
- if ((size) < KARATSUBA_THRESHOLD) \
- ____mpn_sqr_n_basecase (prodp, up, size); \
- else \
- ____mpn_sqr_n (prodp, up, size, tspace); \
- } while (0);
-
- /* Structure for conversion between internal binary format and
- strings in base 2..36. */
- struct bases
- {
- /* Number of digits in the conversion base that always fits in
- an mp_limb. For example, for base 10 this is 10, since
- 2**32 = 4294967296 has ten digits. */
- int chars_per_limb;
-
- /* log(2)/log(conversion_base) */
- float chars_per_bit_exactly;
-
- /* big_base is conversion_base**chars_per_limb, i.e. the biggest
- number that fits a word, built by factors of conversion_base.
- Exception: For 2, 4, 8, etc, big_base is log2(base), i.e. the
- number of bits used to represent each digit in the base. */
- mp_limb big_base;
-
- /* big_base_inverted is a BITS_PER_MP_LIMB bit approximation to
- 1/big_base, represented as a fixed-point number. Instead of
- dividing by big_base an application can choose to multiply
- by big_base_inverted. */
- mp_limb big_base_inverted;
- };
-
- extern const struct bases __mp_bases[];
- extern mp_size_t __gmp_default_fp_limb_precision;
-
- /* Divide the two-limb number in (NH,,NL) by D, with DI being a 32 bit
- approximation to (2**(2*BITS_PER_MP_LIMB))/D - (2**BITS_PER_MP_LIMB).
- Put the quotient in Q and the remainder in R. */
- #define udiv_qrnnd_preinv(q, r, nh, nl, d, di) \
- do { \
- mp_limb _q, _ql, _r; \
- mp_limb _xh, _xl; \
- umul_ppmm (_q, _ql, (nh), (di)); \
- _q += (nh); /* DI is 2**BITS_PER_MP_LIMB too small */\
- umul_ppmm (_xh, _xl, _q, (d)); \
- sub_ddmmss (_xh, _r, (nh), (nl), _xh, _xl); \
- if (_xh != 0) \
- { \
- sub_ddmmss (_xh, _r, _xh, _r, 0, (d)); \
- _q += 1; \
- if (_xh != 0) \
- { \
- sub_ddmmss (_xh, _r, _xh, _r, 0, (d)); \
- _q += 1; \
- } \
- } \
- if (_r >= (d)) \
- { \
- _r -= (d); \
- _q += 1; \
- } \
- (r) = _r; \
- (q) = _q; \
- } while (0)
- #define udiv_qrnnd_preinv2gen(q, r, nh, nl, d, di, dnorm, lgup) \
- do { \
- mp_limb n2, n10, n1, nadj, q1; \
- mp_limb _xh, _xl; \
- n2 = ((nh) << (BITS_PER_MP_LIMB - (lgup))) + ((nl) >> 1 >> (l - 1));\
- n10 = (nl) << (BITS_PER_MP_LIMB - (lgup)); \
- n1 = ((mp_limb_signed) n10 >> (BITS_PER_MP_LIMB - 1)); \
- nadj = n10 + (n1 & (dnorm)); \
- umul_ppmm (_xh, _xl, di, n2 - n1); \
- add_ssaaaa (_xh, _xl, _xh, _xl, 0, nadj); \
- q1 = ~(n2 + _xh); \
- umul_ppmm (_xh, _xl, q1, d); \
- add_ssaaaa (_xh, _xl, _xh, _xl, nh, nl); \
- _xh -= (d); \
- (r) = _xl + ((d) & _xh); \
- (q) = _xh - q1; \
- } while (0)
- #define udiv_qrnnd_preinv2norm(q, r, nh, nl, d, di) \
- do { \
- mp_limb n2, n10, n1, nadj, q1; \
- mp_limb _xh, _xl; \
- n2 = (nh); \
- n10 = (nl); \
- n1 = ((mp_limb_signed) n10 >> (BITS_PER_MP_LIMB - 1)); \
- nadj = n10 + (n1 & (d)); \
- umul_ppmm (_xh, _xl, di, n2 - n1); \
- add_ssaaaa (_xh, _xl, _xh, _xl, 0, nadj); \
- q1 = ~(n2 + _xh); \
- umul_ppmm (_xh, _xl, q1, d); \
- add_ssaaaa (_xh, _xl, _xh, _xl, nh, nl); \
- _xh -= (d); \
- (r) = _xl + ((d) & _xh); \
- (q) = _xh - q1; \
- } while (0)
-
- #if defined (__GNUC__)
- /* Define stuff for longlong.h asm macros. */
- #if __GNUC_NEW_ATTR_MODE_SYNTAX
- typedef unsigned int UQItype __attribute__ ((mode ("QI")));
- typedef int SItype __attribute__ ((mode ("SI")));
- typedef unsigned int USItype __attribute__ ((mode ("SI")));
- typedef int DItype __attribute__ ((mode ("DI")));
- typedef unsigned int UDItype __attribute__ ((mode ("DI")));
- #else
- typedef unsigned int UQItype __attribute__ ((mode (QI)));
- typedef int SItype __attribute__ ((mode (SI)));
- typedef unsigned int USItype __attribute__ ((mode (SI)));
- typedef int DItype __attribute__ ((mode (DI)));
- typedef unsigned int UDItype __attribute__ ((mode (DI)));
- #endif
- #endif
-
- typedef mp_limb UWtype;
- typedef unsigned int UHWtype;
- #define W_TYPE_SIZE BITS_PER_MP_LIMB
-