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/*
* Copyright (c) 2008-2016 Stefan Krah. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. 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 AUTHOR 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 AUTHOR 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 CONSTANTS_H
#define CONSTANTS_H
#include "mpdecimal.h"
/* Internal header file: all symbols have local scope in the DSO */
MPD_PRAGMA(MPD_HIDE_SYMBOLS_START)
/* choice of optimized functions */
#if defined(CONFIG_64)
/* x64 */
#define MULMOD(a, b) x64_mulmod(a, b, umod)
#define MULMOD2C(a0, a1, w) x64_mulmod2c(a0, a1, w, umod)
#define MULMOD2(a0, b0, a1, b1) x64_mulmod2(a0, b0, a1, b1, umod)
#define POWMOD(base, exp) x64_powmod(base, exp, umod)
#define SETMODULUS(modnum) std_setmodulus(modnum, &umod)
#define SIZE3_NTT(x0, x1, x2, w3table) std_size3_ntt(x0, x1, x2, w3table, umod)
#elif defined(PPRO)
/* PentiumPro (or later) gcc inline asm */
#define MULMOD(a, b) ppro_mulmod(a, b, &dmod, dinvmod)
#define MULMOD2C(a0, a1, w) ppro_mulmod2c(a0, a1, w, &dmod, dinvmod)
#define MULMOD2(a0, b0, a1, b1) ppro_mulmod2(a0, b0, a1, b1, &dmod, dinvmod)
#define POWMOD(base, exp) ppro_powmod(base, exp, &dmod, dinvmod)
#define SETMODULUS(modnum) ppro_setmodulus(modnum, &umod, &dmod, dinvmod)
#define SIZE3_NTT(x0, x1, x2, w3table) ppro_size3_ntt(x0, x1, x2, w3table, umod, &dmod, dinvmod)
#else
/* ANSI C99 */
#define MULMOD(a, b) std_mulmod(a, b, umod)
#define MULMOD2C(a0, a1, w) std_mulmod2c(a0, a1, w, umod)
#define MULMOD2(a0, b0, a1, b1) std_mulmod2(a0, b0, a1, b1, umod)
#define POWMOD(base, exp) std_powmod(base, exp, umod)
#define SETMODULUS(modnum) std_setmodulus(modnum, &umod)
#define SIZE3_NTT(x0, x1, x2, w3table) std_size3_ntt(x0, x1, x2, w3table, umod)
#endif
/* PentiumPro (or later) gcc inline asm */
extern const float MPD_TWO63;
extern const uint32_t mpd_invmoduli[3][3];
enum {P1, P2, P3};
extern const mpd_uint_t mpd_moduli[];
extern const mpd_uint_t mpd_roots[];
extern const mpd_size_t mpd_bits[];
extern const mpd_uint_t mpd_pow10[];
extern const mpd_uint_t INV_P1_MOD_P2;
extern const mpd_uint_t INV_P1P2_MOD_P3;
extern const mpd_uint_t LH_P1P2;
extern const mpd_uint_t UH_P1P2;
MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
#endif /* CONSTANTS_H */