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- /* Include file for internal GNU MP types and definitions.
-
- Copyright (C) 1991 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 General Public License as published by
- the Free Software Foundation; either version 2, 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with the GNU MP Library; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #if defined (__GNUC__) || defined (__sparc__) || defined (sparc)
- #define alloca __builtin_alloca
- #endif
-
- #ifndef NULL
- #define NULL 0L
- #endif
-
- #if defined (__GNUC__)
- volatile void abort (void);
- #else
- #define inline /* Empty */
- void *alloca();
- #endif
-
- #define ABS(x) (x >= 0 ? x : -x)
-
- #include "gmp-mparam.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);
-
- char *_mpz_get_str (char *, int, const MP_INT *);
- int _mpz_set_str (MP_INT *, const char *, int);
- void _mpz_impl_sqrt (MP_INT *, MP_INT *, const MP_INT *);
- #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 ();
-
- char *_mpz_get_str ();
- int _mpz_set_str ();
- void _mpz_impl_sqrt ();
- #endif
-
- /* Copy NLIMBS *limbs* from SRC to DST. */
- #define MPN_COPY(DST, SRC, NLIMBS) \
- do { \
- mp_size i; \
- for (i = 0; i < (NLIMBS); i++) \
- (DST)[i] = (SRC)[i]; \
- } while (0)
- /* Zero NLIMBS *limbs* AT DST. */
- #define MPN_ZERO(DST, NLIMBS) \
- do { \
- mp_size i; \
- for (i = 0; i < (NLIMBS); i++) \
- (DST)[i] = 0; \
- } while (0)
-
- /* 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. */
- #define MPZ_TMP_INIT(X, NLIMBS) \
- do { \
- (X)->alloc = (NLIMBS); \
- (X)->d = (mp_ptr) alloca ((NLIMBS) * BYTES_PER_MP_LIMB); \
- } 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;
-
- /* 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;
-
- /* log(2)/log(conversion_base) */
- float chars_per_bit_exactly;
- };
-
- extern const struct bases __mp_bases[37];
-