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/* dci.h */
/*
Copyright (C) 2001-2009 Makoto Matsumoto and Takuji Nishimura.
Copyright (C) 2009 Mutsuo Saito
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DC_IMPLEMENT
#define DC_IMPLEMENT
#include <inttypes.h> /* uint32_t */
#include "mt19937.h"
#include "dc.h"
#define NOT_REJECTED 1
#define REJECTED 0
#define REDU 0
#define IRRED 1
#define NONREDU 1
extern _org_state global_mt19937;
typedef struct {int *x; int deg;} Polynomial;
typedef struct PRESCR_T {
int sizeofA; /* parameter size */
uint32_t **modlist;
Polynomial **preModPolys;
} prescr_t;
typedef struct CHECK32_T {
uint32_t upper_mask;
uint32_t lower_mask;
uint32_t word_mask;
} check32_t;
typedef struct EQDEG_T {
uint32_t bitmask[32];
uint32_t mask_b;
uint32_t mask_c;
uint32_t upper_v_bits;
int shift_0;
int shift_1;
int shift_s;
int shift_t;
int mmm;
int nnn;
int rrr;
int www;
uint32_t aaa[2];
uint32_t gupper_mask; /** most significant (WWW - RRR) bits **/
uint32_t glower_mask; /** least significant RRR bits **/
uint32_t greal_mask; /** upper WWW bitmask **/
int ggap; /** difference between machine wordsize and dest wordsize **/
int gcur_maxlengs[32]; /** for optimize_v_hard **/
uint32_t gmax_b, gmax_c;
} eqdeg_t;
int _prescreening_dc(prescr_t *pre, uint32_t aaa);
void _InitPrescreening_dc(prescr_t *pre, int m, int n, int r, int w);
void _EndPrescreening_dc(prescr_t *pre);
int _CheckPeriod_dc(check32_t *ck, _org_state *st,
uint32_t a, int m, int n, int r, int w);
void _get_tempering_parameter_dc(mt_struct *mts);
void _get_tempering_parameter_hard_dc(mt_struct *mts);
void _InitCheck32_dc(check32_t *ck, int r, int w);
#endif
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