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89 lines
3.4 KiB
C
89 lines
3.4 KiB
C
/*
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* Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef LIBMPDEC_CONSTANTS_H_
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#define LIBMPDEC_CONSTANTS_H_
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#include "mpdecimal.h"
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#include <stdint.h>
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/* Internal header file: all symbols have local scope in the DSO */
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MPD_PRAGMA(MPD_HIDE_SYMBOLS_START)
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/* choice of optimized functions */
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#if defined(CONFIG_64)
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/* x64 */
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#define MULMOD(a, b) x64_mulmod(a, b, umod)
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#define MULMOD2C(a0, a1, w) x64_mulmod2c(a0, a1, w, umod)
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#define MULMOD2(a0, b0, a1, b1) x64_mulmod2(a0, b0, a1, b1, umod)
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#define POWMOD(base, exp) x64_powmod(base, exp, umod)
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#define SETMODULUS(modnum) std_setmodulus(modnum, &umod)
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#define SIZE3_NTT(x0, x1, x2, w3table) std_size3_ntt(x0, x1, x2, w3table, umod)
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#elif defined(PPRO)
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/* PentiumPro (or later) gcc inline asm */
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#define MULMOD(a, b) ppro_mulmod(a, b, &dmod, dinvmod)
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#define MULMOD2C(a0, a1, w) ppro_mulmod2c(a0, a1, w, &dmod, dinvmod)
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#define MULMOD2(a0, b0, a1, b1) ppro_mulmod2(a0, b0, a1, b1, &dmod, dinvmod)
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#define POWMOD(base, exp) ppro_powmod(base, exp, &dmod, dinvmod)
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#define SETMODULUS(modnum) ppro_setmodulus(modnum, &umod, &dmod, dinvmod)
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#define SIZE3_NTT(x0, x1, x2, w3table) ppro_size3_ntt(x0, x1, x2, w3table, umod, &dmod, dinvmod)
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#else
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/* ANSI C99 */
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#define MULMOD(a, b) std_mulmod(a, b, umod)
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#define MULMOD2C(a0, a1, w) std_mulmod2c(a0, a1, w, umod)
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#define MULMOD2(a0, b0, a1, b1) std_mulmod2(a0, b0, a1, b1, umod)
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#define POWMOD(base, exp) std_powmod(base, exp, umod)
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#define SETMODULUS(modnum) std_setmodulus(modnum, &umod)
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#define SIZE3_NTT(x0, x1, x2, w3table) std_size3_ntt(x0, x1, x2, w3table, umod)
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#endif
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/* PentiumPro (or later) gcc inline asm */
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extern const float MPD_TWO63;
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extern const uint32_t mpd_invmoduli[3][3];
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enum {P1, P2, P3};
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extern const mpd_uint_t mpd_moduli[];
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extern const mpd_uint_t mpd_roots[];
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extern const mpd_size_t mpd_bits[];
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extern const mpd_uint_t mpd_pow10[];
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extern const mpd_uint_t INV_P1_MOD_P2;
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extern const mpd_uint_t INV_P1P2_MOD_P3;
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extern const mpd_uint_t LH_P1P2;
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extern const mpd_uint_t UH_P1P2;
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MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
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#endif /* LIBMPDEC_CONSTANTS_H_ */
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