124 lines
3.4 KiB
C
124 lines
3.4 KiB
C
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/*
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* RabbitSign - Tools for signing TI graphing calculator software
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* Copyright (C) 2009 Benjamin Moody
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __RABBITSIGN_MPZ_H__
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#define __RABBITSIGN_MPZ_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if (SIZEOF_INT != 0) && (SIZEOF_LONG >= 2 * SIZEOF_INT)
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typedef unsigned int limb_t;
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typedef unsigned long double_limb_t;
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typedef signed long signed_double_limb_t;
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#else
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# if (SIZEOF_SHORT != 0) && (SIZEOF_INT >= 2 * SIZEOF_SHORT)
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typedef unsigned short limb_t;
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typedef unsigned int double_limb_t;
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typedef signed int signed_double_limb_t;
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# else
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typedef unsigned short limb_t;
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typedef unsigned long double_limb_t;
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typedef signed long signed_double_limb_t;
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# endif
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#endif
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#define LIMB_BITS (sizeof(limb_t)*8)
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#define LIMB_BYTES (sizeof(limb_t))
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#define LIMB_MASK ((((double_limb_t) 1) << LIMB_BITS) - 1)
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struct _mpz {
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size_t size;
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size_t size_alloc;
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limb_t* m;
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int sign;
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};
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typedef struct _mpz mpz_t[1];
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#undef __P
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#ifdef PROTOTYPES
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# define __P(x) x
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#else
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# define __P(x) ()
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#endif
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void mpz_init __P((mpz_t x));
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void mpz_clear __P((mpz_t x));
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/* Set */
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void mpz_set __P((mpz_t dest, const mpz_t src));
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void mpz_set_ui __P((mpz_t dest, unsigned int a));
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unsigned int mpz_get_ui __P((const mpz_t a));
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/* Import/export: assume order=-1, size=1, endian=0, nails=0 */
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void mpz_import __P((mpz_t dest, size_t count, int order, int size,
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int endian, size_t nails, const void* op));
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void mpz_export __P((void* dest, size_t* count, int order, int size,
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int endian, size_t nails, const mpz_t op));
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/* Check sign */
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int mpz_sgn __P((const mpz_t a));
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/* Compare */
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int mpz_cmp __P((const mpz_t a, const mpz_t b));
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int mpz_cmp_ui __P((const mpz_t a, unsigned int b));
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/* Add */
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void mpz_add __P((mpz_t dest, const mpz_t a, const mpz_t b));
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void mpz_add_ui __P((mpz_t dest, const mpz_t a, unsigned int b));
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/* Subtract */
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void mpz_sub __P((mpz_t dest, const mpz_t a, const mpz_t b));
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void mpz_sub_ui __P((mpz_t dest, const mpz_t a, unsigned int b));
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/* Multiply */
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void mpz_mul __P((mpz_t dest, const mpz_t a, const mpz_t b));
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void mpz_mul_ui __P((mpz_t dest, const mpz_t a, unsigned int b));
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/* Divide: requires b <= LIMB_BITS */
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void mpz_fdiv_q_2exp __P((mpz_t dest, const mpz_t a, unsigned int b));
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/* Modulus */
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void mpz_mod __P((mpz_t dest, const mpz_t a, const mpz_t mod));
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/* Modular exponent */
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void mpz_powm __P((mpz_t dest, const mpz_t base, const mpz_t exp,
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const mpz_t mod));
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/* Legendre symbol */
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int mpz_legendre __P((const mpz_t a, const mpz_t p));
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/* Extended GCD */
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void mpz_gcdext __P((mpz_t g, mpz_t ai, mpz_t bi,
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const mpz_t a, const mpz_t b));
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/* Output */
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int rs_snprintf __P((char* buf, size_t size, const char* fmt, ...));
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#ifdef va_start
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int rs_vsnprintf __P((char* buf, size_t size, const char* fmt, va_list ap));
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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