pqc/external/flint-2.4.3/fmpz_factor.h

89 lines
2.6 KiB
C
Raw Normal View History

2014-05-18 22:03:37 +00:00
/*=============================================================================
This file is part of FLINT.
FLINT 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 of the License, or
(at your option) any later version.
FLINT 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 FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2011 Fredrik Johansson
******************************************************************************/
#ifndef FMPZ_FACTOR_H
#define FMPZ_FACTOR_H
#include <gmp.h>
#include "flint.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
int sign;
fmpz * p;
ulong * exp;
slong alloc;
slong num;
} fmpz_factor_struct;
typedef fmpz_factor_struct fmpz_factor_t[1];
/* Utility functions *********************************************************/
void fmpz_factor_init(fmpz_factor_t factor);
void fmpz_factor_clear(fmpz_factor_t factor);
void fmpz_factor_print(const fmpz_factor_t factor);
void _fmpz_factor_fit_length(fmpz_factor_t factor, slong len);
void _fmpz_factor_append_ui(fmpz_factor_t factor, mp_limb_t p, ulong exp);
void _fmpz_factor_set_length(fmpz_factor_t factor, slong newlen);
/* Factoring *****************************************************************/
void _fmpz_factor_extend_factor_ui(fmpz_factor_t factor, mp_limb_t n);
int fmpz_factor_trial_range(fmpz_factor_t factor, const fmpz_t n,
ulong start, ulong num_primes);
void fmpz_factor(fmpz_factor_t factor, const fmpz_t n);
void fmpz_factor_si(fmpz_factor_t factor, slong n);
int fmpz_factor_pp1(fmpz_t factor, const fmpz_t n,
ulong B1, ulong B2_sqrt, ulong c);
/* Expansion *****************************************************************/
void fmpz_factor_expand_iterative(fmpz_t n, const fmpz_factor_t factor);
void fmpz_factor_expand_multiexp(fmpz_t n, const fmpz_factor_t factor);
void fmpz_factor_expand(fmpz_t n, const fmpz_factor_t factor);
#ifdef __cplusplus
}
#endif
#endif