89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/*=============================================================================
|
|
|
|
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
|