release/src/router/nettle/mini-gmp.h

   1 /* mini-gmp, a minimalistic implementation of a GNU GMP subset.
   2
   3 Copyright 2011, 2012, 2013 Free Software Foundation, Inc.
   4
   5 This file is part of the GNU MP Library.
   6
   7 The GNU MP Library is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU Lesser General Public License as published by
   9 the Free Software Foundation; either version 3 of the License, or (at your
  10 option) any later version.
  11
  12 The GNU MP Library is distributed in the hope that it will be useful, but
  13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  15 License for more details.
  16
  17 You should have received a copy of the GNU Lesser General Public License
  18 along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
  19
  20 /* About mini-gmp: This is a minimal implementation of a subset of the
  21    GMP interface. It is intended for inclusion into applications which
  22    have modest bignums needs, as a fallback when the real GMP library
  23    is not installed.
  24
  25    This file defines the public interface. */
  26
  27 #ifndef __MINI_GMP_H__
  28 #define __MINI_GMP_H__
  29
  30 /* For size_t */
  31 #include <stddef.h>
  32
  33 #if defined (__cplusplus)
  34 extern "C" {
  35 #endif
  36
  37 void mp_set_memory_functions (void *(*) (size_t),
  38                               void *(*) (void *, size_t, size_t),
  39                               void (*) (void *, size_t));
  40
  41 void mp_get_memory_functions (void *(**) (size_t),
  42                               void *(**) (void *, size_t, size_t),
  43                               void (**) (void *, size_t));
  44
  45 typedef unsigned long mp_limb_t;
  46 typedef long mp_size_t;
  47 typedef unsigned long mp_bitcnt_t;
  48
  49 typedef mp_limb_t *mp_ptr;
  50 typedef const mp_limb_t *mp_srcptr;
  51
  52 typedef struct
  53 {
  54   int _mp_alloc;                /* Number of *limbs* allocated and pointed
  55                                    to by the _mp_d field.  */
  56   int _mp_size;                 /* abs(_mp_size) is the number of limbs the
  57                                    last field points to.  If _mp_size is
  58                                    negative this is a negative number.  */
  59   mp_limb_t *_mp_d;             /* Pointer to the limbs.  */
  60 } __mpz_struct;
  61
  62 typedef __mpz_struct mpz_t[1];
  63
  64 typedef __mpz_struct *mpz_ptr;
  65 typedef const __mpz_struct *mpz_srcptr;
  66
  67 void mpn_copyi (mp_ptr, mp_srcptr, mp_size_t);
  68 void mpn_copyd (mp_ptr, mp_srcptr, mp_size_t);
  69
  70 int mpn_cmp (mp_srcptr, mp_srcptr, mp_size_t);
  71
  72 mp_limb_t mpn_add_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t);
  73 mp_limb_t mpn_add_n (mp_ptr, mp_srcptr, mp_srcptr, mp_size_t);
  74 mp_limb_t mpn_add (mp_ptr, mp_srcptr, mp_size_t, mp_srcptr, mp_size_t);
  75
  76 mp_limb_t mpn_sub_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t);
  77 mp_limb_t mpn_sub_n (mp_ptr, mp_srcptr, mp_srcptr, mp_size_t);
  78 mp_limb_t mpn_sub (mp_ptr, mp_srcptr, mp_size_t, mp_srcptr, mp_size_t);
  79
  80 mp_limb_t mpn_mul_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t);
  81 mp_limb_t mpn_addmul_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t);
  82 mp_limb_t mpn_submul_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t);
  83
  84 mp_limb_t mpn_mul (mp_ptr, mp_srcptr, mp_size_t, mp_srcptr, mp_size_t);
  85 void mpn_mul_n (mp_ptr, mp_srcptr, mp_srcptr, mp_size_t);
  86 void mpn_sqr (mp_ptr, mp_srcptr, mp_size_t);
  87
  88 mp_limb_t mpn_lshift (mp_ptr, mp_srcptr, mp_size_t, unsigned int);
  89 mp_limb_t mpn_rshift (mp_ptr, mp_srcptr, mp_size_t, unsigned int);
  90
  91 mp_limb_t mpn_invert_3by2 (mp_limb_t, mp_limb_t);
  92 #define mpn_invert_limb(x) mpn_invert_3by2 ((x), 0)
  93
  94 size_t mpn_get_str (unsigned char *, int, mp_ptr, mp_size_t);
  95 mp_size_t mpn_set_str (mp_ptr, const unsigned char *, size_t, int);
  96
  97 void mpz_init (mpz_t);
  98 void mpz_init2 (mpz_t, mp_bitcnt_t);
  99 void mpz_clear (mpz_t);
 100
 101 #define mpz_odd_p(z)   (((z)->_mp_size != 0) & (int) (z)->_mp_d[0])
 102 #define mpz_even_p(z)  (! mpz_odd_p (z))
 103
 104 int mpz_sgn (const mpz_t);
 105 int mpz_cmp_si (const mpz_t, long);
 106 int mpz_cmp_ui (const mpz_t, unsigned long);
 107 int mpz_cmp (const mpz_t, const mpz_t);
 108 int mpz_cmpabs_ui (const mpz_t, unsigned long);
 109 int mpz_cmpabs (const mpz_t, const mpz_t);
 110 int mpz_cmp_d (const mpz_t, double);
 111 int mpz_cmpabs_d (const mpz_t, double);
 112
 113 void mpz_abs (mpz_t, const mpz_t);
 114 void mpz_neg (mpz_t, const mpz_t);
 115 void mpz_swap (mpz_t, mpz_t);
 116
 117 void mpz_add_ui (mpz_t, const mpz_t, unsigned long);
 118 void mpz_add (mpz_t, const mpz_t, const mpz_t);
 119 void mpz_sub_ui (mpz_t, const mpz_t, unsigned long);
 120 void mpz_ui_sub (mpz_t, unsigned long, const mpz_t);
 121 void mpz_sub (mpz_t, const mpz_t, const mpz_t);
 122
 123 void mpz_mul_si (mpz_t, const mpz_t, long int);
 124 void mpz_mul_ui (mpz_t, const mpz_t, unsigned long int);
 125 void mpz_mul (mpz_t, const mpz_t, const mpz_t);
 126 void mpz_mul_2exp (mpz_t, const mpz_t, mp_bitcnt_t);
 127
 128 void mpz_cdiv_qr (mpz_t, mpz_t, const mpz_t, const mpz_t);
 129 void mpz_fdiv_qr (mpz_t, mpz_t, const mpz_t, const mpz_t);
 130 void mpz_tdiv_qr (mpz_t, mpz_t, const mpz_t, const mpz_t);
 131 void mpz_cdiv_q (mpz_t, const mpz_t, const mpz_t);
 132 void mpz_fdiv_q (mpz_t, const mpz_t, const mpz_t);
 133 void mpz_tdiv_q (mpz_t, const mpz_t, const mpz_t);
 134 void mpz_cdiv_r (mpz_t, const mpz_t, const mpz_t);
 135 void mpz_fdiv_r (mpz_t, const mpz_t, const mpz_t);
 136 void mpz_tdiv_r (mpz_t, const mpz_t, const mpz_t);
 137
 138 void mpz_cdiv_q_2exp (mpz_t, const mpz_t, mp_bitcnt_t);
 139 void mpz_fdiv_q_2exp (mpz_t, const mpz_t, mp_bitcnt_t);
 140 void mpz_tdiv_q_2exp (mpz_t, const mpz_t, mp_bitcnt_t);
 141 void mpz_cdiv_r_2exp (mpz_t, const mpz_t, mp_bitcnt_t);
 142 void mpz_fdiv_r_2exp (mpz_t, const mpz_t, mp_bitcnt_t);
 143 void mpz_tdiv_r_2exp (mpz_t, const mpz_t, mp_bitcnt_t);
 144
 145 void mpz_mod (mpz_t, const mpz_t, const mpz_t);
 146
 147 void mpz_divexact (mpz_t, const mpz_t, const mpz_t);
 148
 149 int mpz_divisible_p (const mpz_t, const mpz_t);
 150
 151 unsigned long mpz_cdiv_qr_ui (mpz_t, mpz_t, const mpz_t, unsigned long);
 152 unsigned long mpz_fdiv_qr_ui (mpz_t, mpz_t, const mpz_t, unsigned long);
 153 unsigned long mpz_tdiv_qr_ui (mpz_t, mpz_t, const mpz_t, unsigned long);
 154 unsigned long mpz_cdiv_q_ui (mpz_t, const mpz_t, unsigned long);
 155 unsigned long mpz_fdiv_q_ui (mpz_t, const mpz_t, unsigned long);
 156 unsigned long mpz_tdiv_q_ui (mpz_t, const mpz_t, unsigned long);
 157 unsigned long mpz_cdiv_r_ui (mpz_t, const mpz_t, unsigned long);
 158 unsigned long mpz_fdiv_r_ui (mpz_t, const mpz_t, unsigned long);
 159 unsigned long mpz_tdiv_r_ui (mpz_t, const mpz_t, unsigned long);
 160 unsigned long mpz_cdiv_ui (const mpz_t, unsigned long);
 161 unsigned long mpz_fdiv_ui (const mpz_t, unsigned long);
 162 unsigned long mpz_tdiv_ui (const mpz_t, unsigned long);
 163
 164 unsigned long mpz_mod_ui (mpz_t, const mpz_t, unsigned long);
 165
 166 void mpz_divexact_ui (mpz_t, const mpz_t, unsigned long);
 167
 168 int mpz_divisible_ui_p (const mpz_t, unsigned long);
 169
 170 unsigned long mpz_gcd_ui (mpz_t, const mpz_t, unsigned long);
 171 void mpz_gcd (mpz_t, const mpz_t, const mpz_t);
 172 void mpz_gcdext (mpz_t, mpz_t, mpz_t, const mpz_t, const mpz_t);
 173 void mpz_lcm_ui (mpz_t, const mpz_t, unsigned long);
 174 void mpz_lcm (mpz_t, const mpz_t, const mpz_t);
 175 int mpz_invert (mpz_t, const mpz_t, const mpz_t);
 176
 177 void mpz_sqrtrem (mpz_t, mpz_t, const mpz_t);
 178 void mpz_sqrt (mpz_t, const mpz_t);
 179
 180 void mpz_pow_ui (mpz_t, const mpz_t, unsigned long);
 181 void mpz_ui_pow_ui (mpz_t, unsigned long, unsigned long);
 182 void mpz_powm (mpz_t, const mpz_t, const mpz_t, const mpz_t);
 183 void mpz_powm_ui (mpz_t, const mpz_t, unsigned long, const mpz_t);
 184
 185 void mpz_rootrem (mpz_t, mpz_t, const mpz_t, unsigned long);
 186 int mpz_root (mpz_t, const mpz_t, unsigned long);
 187
 188 void mpz_fac_ui (mpz_t, unsigned long);
 189 void mpz_bin_uiui (mpz_t, unsigned long, unsigned long);
 190
 191 int mpz_tstbit (const mpz_t, mp_bitcnt_t);
 192 void mpz_setbit (mpz_t, mp_bitcnt_t);
 193 void mpz_clrbit (mpz_t, mp_bitcnt_t);
 194 void mpz_combit (mpz_t, mp_bitcnt_t);
 195
 196 void mpz_com (mpz_t, const mpz_t);
 197 void mpz_and (mpz_t, const mpz_t, const mpz_t);
 198 void mpz_ior (mpz_t, const mpz_t, const mpz_t);
 199 void mpz_xor (mpz_t, const mpz_t, const mpz_t);
 200
 201 mp_bitcnt_t mpz_popcount (const mpz_t);
 202 mp_bitcnt_t mpz_hamdist (const mpz_t, const mpz_t);
 203 mp_bitcnt_t mpz_scan0 (const mpz_t, mp_bitcnt_t);
 204 mp_bitcnt_t mpz_scan1 (const mpz_t, mp_bitcnt_t);
 205
 206 int mpz_fits_slong_p (const mpz_t);
 207 int mpz_fits_ulong_p (const mpz_t);
 208 long int mpz_get_si (const mpz_t);
 209 unsigned long int mpz_get_ui (const mpz_t);
 210 double mpz_get_d (const mpz_t);
 211 size_t mpz_size (const mpz_t);
 212 mp_limb_t mpz_getlimbn (const mpz_t, mp_size_t);
 213
 214 void mpz_set_si (mpz_t, signed long int);
 215 void mpz_set_ui (mpz_t, unsigned long int);
 216 void mpz_set (mpz_t, const mpz_t);
 217 void mpz_set_d (mpz_t, double);
 218
 219 void mpz_init_set_si (mpz_t, signed long int);
 220 void mpz_init_set_ui (mpz_t, unsigned long int);
 221 void mpz_init_set (mpz_t, const mpz_t);
 222 void mpz_init_set_d (mpz_t, double);
 223
 224 size_t mpz_sizeinbase (const mpz_t, int);
 225 char *mpz_get_str (char *, int, const mpz_t);
 226 int mpz_set_str (mpz_t, const char *, int);
 227 int mpz_init_set_str (mpz_t, const char *, int);
 228
 229 /* This long list taken from gmp.h. */
 230 /* For reference, "defined(EOF)" cannot be used here.  In g++ 2.95.4,
 231    <iostream> defines EOF but not FILE.  */
 232 #if defined (FILE)                                              \
 233   || defined (H_STDIO)                                          \
 234   || defined (_H_STDIO)               /* AIX */                 \
 235   || defined (_STDIO_H)               /* glibc, Sun, SCO */     \
 236   || defined (_STDIO_H_)              /* BSD, OSF */            \
 237   || defined (__STDIO_H)              /* Borland */             \
 238   || defined (__STDIO_H__)            /* IRIX */                \
 239   || defined (_STDIO_INCLUDED)        /* HPUX */                \
 240   || defined (__dj_include_stdio_h_)  /* DJGPP */               \
 241   || defined (_FILE_DEFINED)          /* Microsoft */           \
 242   || defined (__STDIO__)              /* Apple MPW MrC */       \
 243   || defined (_MSL_STDIO_H)           /* Metrowerks */          \
 244   || defined (_STDIO_H_INCLUDED)      /* QNX4 */                \
 245   || defined (_ISO_STDIO_ISO_H)       /* Sun C++ */             \
 246   || defined (__STDIO_LOADED)         /* VMS */
 247 size_t mpz_out_str (FILE *, int, const mpz_t);
 248 #endif
 249
 250 void mpz_import (mpz_t, size_t, int, size_t, int, size_t, const void *);
 251 void *mpz_export (void *, size_t *, int, size_t, int, size_t, const mpz_t);
 252
 253 #if defined (__cplusplus)
 254 }
 255 #endif
 256 #endif /* __MINI_GMP_H__ */