/usr/include/flint/mpn_extras.h is in libflint-dev 2.5.2-17build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | /*============================================================================
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) 2010 Fredrik Johansson
******************************************************************************/
#ifndef MPN_EXTRAS_H
#define MPN_EXTRAS_H
#ifdef MPN_EXTRAS_INLINES_C
#define MPN_EXTRAS_INLINE FLINT_DLL
#else
#define MPN_EXTRAS_INLINE static __inline__
#endif
#include <gmp.h>
#include "flint.h"
#include "fmpz.h"
#include "fmpz_poly.h"
#ifdef __cplusplus
extern "C" {
#endif
#define MPN_NORM(a, an) \
do { \
while ((an) != 0 && (a)[(an) - 1] == 0) \
(an)--; \
} while (0)
#define MPN_SWAP(a, an, b, bn) \
do { \
mp_ptr __t; \
mp_size_t __tn; \
__t = (a); \
(a) = (b); \
(b) = __t; \
__tn = (an); \
(an) = (bn); \
(bn) = __tn; \
} while (0)
#define BITS_TO_LIMBS(b) (((b) + GMP_NUMB_BITS - 1) / GMP_NUMB_BITS)
/* Not defined in gmp.h
mp_limb_t __gmpn_modexact_1_odd(mp_srcptr src, mp_size_t size,
mp_limb_t divisor);
#define mpn_modexact_1_odd __gmpn_modexact_1_odd
*/
#ifdef mpn_modexact_1_odd
#define flint_mpn_divisible_1_p(x, xsize, d) (mpn_modexact_1_odd(x, xsize, d) == 0)
#else
MPN_EXTRAS_INLINE int
flint_mpn_divisible_1_p(mp_srcptr x, mp_size_t xsize, mp_limb_t d)
{
__mpz_struct s;
s._mp_size = xsize;
s._mp_d = (mp_ptr) x;
return flint_mpz_divisible_ui_p(&s, d);
}
#endif
MPN_EXTRAS_INLINE
int flint_mpn_zero_p(mp_srcptr x, mp_size_t xsize)
{
slong i;
for (i = 0; i < xsize; i++)
{
if (x[i])
return 0;
}
return 1;
}
MPN_EXTRAS_INLINE
mp_size_t flint_mpn_divexact_1(mp_ptr x, mp_size_t xsize, mp_limb_t d)
{
mpn_divrem_1(x, 0, x, xsize, d);
if (x[xsize - 1] == UWORD(0))
xsize -= 1;
return xsize;
}
FLINT_DLL void flint_mpn_debug(mp_srcptr x, mp_size_t xsize);
FLINT_DLL mp_size_t flint_mpn_remove_2exp(mp_ptr x, mp_size_t xsize, mp_bitcnt_t *bits);
FLINT_DLL mp_size_t flint_mpn_remove_power_ascending(mp_ptr x, mp_size_t xsize,
mp_ptr p, mp_size_t psize, ulong *exp);
FLINT_DLL int flint_mpn_factor_trial(mp_srcptr x, mp_size_t xsize, slong start, slong stop);
FLINT_DLL int flint_mpn_divides(mp_ptr q, mp_srcptr array1,
mp_size_t limbs1, mp_srcptr arrayg, mp_size_t limbsg, mp_ptr temp);
FLINT_DLL mp_size_t flint_mpn_gcd_full(mp_ptr arrayg,
mp_ptr array1, mp_size_t limbs1, mp_ptr array2, mp_size_t limbs2);
FLINT_DLL mp_limb_t flint_mpn_preinv1(mp_limb_t d, mp_limb_t d2);
FLINT_DLL mp_limb_t flint_mpn_divrem_preinv1(mp_ptr q, mp_ptr a,
mp_size_t m, mp_srcptr b, mp_size_t n, mp_limb_t dinv);
#define flint_mpn_divrem21_preinv(q, a_hi, a_lo, dinv) \
do { \
mp_limb_t __q2, __q3, __q4; \
umul_ppmm((q), __q2, (a_hi), (dinv)); \
umul_ppmm(__q3, __q4, (a_lo), (dinv)); \
add_ssaaaa((q), __q2, (q), __q2, 0, __q3); \
add_ssaaaa((q), __q2, (q), __q2, (a_hi), (a_lo)); \
} while (0)
FLINT_DLL void flint_mpn_mulmod_preinv1(mp_ptr r,
mp_srcptr a, mp_srcptr b, mp_size_t n,
mp_srcptr d, mp_limb_t dinv, ulong norm);
FLINT_DLL void flint_mpn_preinvn(mp_ptr dinv, mp_srcptr d, mp_size_t n);
FLINT_DLL void flint_mpn_mod_preinvn(mp_ptr r, mp_srcptr a, mp_size_t m,
mp_srcptr d, mp_size_t n, mp_srcptr dinv);
FLINT_DLL mp_limb_t flint_mpn_divrem_preinvn(mp_ptr q, mp_ptr r, mp_srcptr a, mp_size_t m,
mp_srcptr d, mp_size_t n, mp_srcptr dinv);
FLINT_DLL void flint_mpn_mulmod_preinvn(mp_ptr r,
mp_srcptr a, mp_srcptr b, mp_size_t n,
mp_srcptr d, mp_srcptr dinv, ulong norm);
FLINT_DLL int flint_mpn_mulmod_2expp1_basecase(mp_ptr xp, mp_srcptr yp, mp_srcptr zp,
int c, mp_bitcnt_t b, mp_ptr tp);
MPN_EXTRAS_INLINE
void flint_mpn_rrandom(mp_limb_t *rp, gmp_randstate_t state, mp_size_t n)
{
__mpz_struct str;
str._mp_d = rp;
str._mp_alloc = n;
str._mp_size =n;
mpz_rrandomb(&str,state,FLINT_BITS*n);
}
MPN_EXTRAS_INLINE
void flint_mpn_urandomb(mp_limb_t *rp, gmp_randstate_t state, mp_bitcnt_t n)
{
__mpz_struct str;
str._mp_d = rp;
str._mp_alloc = (n + FLINT_BITS - 1)/FLINT_BITS;
str._mp_size = (n + FLINT_BITS - 1)/FLINT_BITS;
mpz_rrandomb(&str,state,n);
}
#ifdef __cplusplus
}
#endif
#endif
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