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Issue 7652: Merge C version of decimal into py3k.
Patch Set: Created 7 years, 5 months ago
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1 /*
2 * Copyright (c) 2008-2010 Stefan Krah. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28
29 #ifndef CONSTANTS_H
30 #define CONSTANTS_H
31
32
33 #include "mpdecimal.h"
34
35
36 /* choice of optimized functions */
37 #if defined(CONFIG_64)
38 /* x64 */
39 #define MULMOD(a, b) x64_mulmod(a, b, umod)
40 #define MULMOD2C(a0, a1, w) x64_mulmod2c(a0, a1, w, umod)
41 #define MULMOD2(a0, b0, a1, b1) x64_mulmod2(a0, b0, a1, b1, umod)
42 #define POWMOD(base, exp) x64_powmod(base, exp, umod)
43 #define SETMODULUS(modnum) std_setmodulus(modnum, &umod)
44 #define SIZE3_NTT(x0, x1, x2, w3table) std_size3_ntt(x0, x1, x2, w3table, umod )
45 #elif defined(PPRO)
46 /* PentiumPro (or later) gcc inline asm */
47 #define MULMOD(a, b) ppro_mulmod(a, b, &dmod, dinvmod)
48 #define MULMOD2C(a0, a1, w) ppro_mulmod2c(a0, a1, w, &dmod, dinvmod)
49 #define MULMOD2(a0, b0, a1, b1) ppro_mulmod2(a0, b0, a1, b1, &dmod, dinvmod)
50 #define POWMOD(base, exp) ppro_powmod(base, exp, &dmod, dinvmod)
51 #define SETMODULUS(modnum) ppro_setmodulus(modnum, &umod, &dmod, dinvmod)
52 #define SIZE3_NTT(x0, x1, x2, w3table) ppro_size3_ntt(x0, x1, x2, w3table, umo d, &dmod, dinvmod)
53 #else
54 /* ANSI C99 */
55 #define MULMOD(a, b) std_mulmod(a, b, umod)
56 #define MULMOD2C(a0, a1, w) std_mulmod2c(a0, a1, w, umod)
57 #define MULMOD2(a0, b0, a1, b1) std_mulmod2(a0, b0, a1, b1, umod)
58 #define POWMOD(base, exp) std_powmod(base, exp, umod)
59 #define SETMODULUS(modnum) std_setmodulus(modnum, &umod)
60 #define SIZE3_NTT(x0, x1, x2, w3table) std_size3_ntt(x0, x1, x2, w3table, umod )
61 #endif
62
63 /* PentiumPro (or later) gcc inline asm */
64 extern const float MPD_TWO63;
65 extern const uint32_t mpd_invmoduli[3][3];
66
67 enum {P1, P2, P3};
68
69 extern const mpd_uint_t mpd_moduli[];
70 extern const mpd_uint_t mpd_roots[];
71 extern const mpd_size_t mpd_bits[];
72 extern const mpd_uint_t mpd_pow10[];
73
74 extern const mpd_uint_t INV_P1_MOD_P2;
75 extern const mpd_uint_t INV_P1P2_MOD_P3;
76 extern const mpd_uint_t LH_P1P2;
77 extern const mpd_uint_t UH_P1P2;
78
79
80 #endif /* CONSTANTS_H */
81
82
83
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