gcc/mpfr/mpfr-gmp.c

/* mpfr_gmp -- Limited gmp-impl emulator
   Modified version of the GMP files.

Copyright 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by the Arenaire and Cacao projects, INRIA.

This file is part of the GNU MPFR Library.

The GNU MPFR Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version.

The GNU MPFR Library 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 Lesser General Public
License for more details.

You should have received a copy of the GNU Lesser General Public License
along with the GNU MPFR Library; see the file COPYING.LIB.  If not, write to
the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301, USA. */

#include <stdlib.h> /* For malloc, free, realloc and abort */

#include "mpfr-impl.h"

#ifndef MPFR_HAVE_GMP_IMPL

char             mpfr_rands_initialized = 0;
gmp_randstate_t  mpfr_rands;

const struct bases mpfr_bases[257] =
{
  /*  0 */ {0.0},
  /*  1 */ {1e37},
  /*  2 */ {1.0000000000000000},
  /*  3 */ {0.6309297535714574},
  /*  4 */ {0.5000000000000000},
  /*  5 */ {0.4306765580733931},
  /*  6 */ {0.3868528072345416},
  /*  7 */ {0.3562071871080222},
  /*  8 */ {0.3333333333333333},
  /*  9 */ {0.3154648767857287},
  /* 10 */ {0.3010299956639812},
  /* 11 */ {0.2890648263178878},
  /* 12 */ {0.2789429456511298},
  /* 13 */ {0.2702381544273197},
  /* 14 */ {0.2626495350371935},
  /* 15 */ {0.2559580248098155},
  /* 16 */ {0.2500000000000000},
  /* 17 */ {0.2446505421182260},
  /* 18 */ {0.2398124665681314},
  /* 19 */ {0.2354089133666382},
  /* 20 */ {0.2313782131597592},
  /* 21 */ {0.2276702486969530},
  /* 22 */ {0.2242438242175754},
  /* 23 */ {0.2210647294575037},
  /* 24 */ {0.2181042919855316},
  /* 25 */ {0.2153382790366965},
  /* 26 */ {0.2127460535533632},
  /* 27 */ {0.2103099178571525},
  /* 28 */ {0.2080145976765095},
  /* 29 */ {0.2058468324604344},
  /* 30 */ {0.2037950470905062},
  /* 31 */ {0.2018490865820999},
  /* 32 */ {0.2000000000000000},
  /* 33 */ {0.1982398631705605},
  /* 34 */ {0.1965616322328226},
  /* 35 */ {0.1949590218937863},
  /* 36 */ {0.1934264036172708},
  /* 37 */ {0.1919587200065601},
  /* 38 */ {0.1905514124267734},
  /* 39 */ {0.1892003595168700},
  /* 40 */ {0.1879018247091076},
  /* 41 */ {0.1866524112389434},
  /* 42 */ {0.1854490234153689},
  /* 43 */ {0.1842888331487062},
  /* 44 */ {0.1831692509136336},
  /* 45 */ {0.1820879004699383},
  /* 46 */ {0.1810425967800402},
  /* 47 */ {0.1800313266566926},
  /* 48 */ {0.1790522317510414},
  /* 49 */ {0.1781035935540111},
  /* 50 */ {0.1771838201355579},
  /* 51 */ {0.1762914343888821},
  /* 52 */ {0.1754250635819545},
  /* 53 */ {0.1745834300480449},
  /* 54 */ {0.1737653428714400},
  /* 55 */ {0.1729696904450771},
  /* 56 */ {0.1721954337940981},
  /* 57 */ {0.1714416005739134},
  /* 58 */ {0.1707072796637201},
  /* 59 */ {0.1699916162869140},
  /* 60 */ {0.1692938075987814},
  /* 61 */ {0.1686130986895011},
  /* 62 */ {0.1679487789570419},
  /* 63 */ {0.1673001788101741},
  /* 64 */ {0.1666666666666667},
  /* 65 */ {0.1660476462159378},
  /* 66 */ {0.1654425539190583},
  /* 67 */ {0.1648508567221603},
  /* 68 */ {0.1642720499620502},
  /* 69 */ {0.1637056554452156},
  /* 70 */ {0.1631512196835108},
  /* 71 */ {0.1626083122716342},
  /* 72 */ {0.1620765243931223},
  /* 73 */ {0.1615554674429964},
  /* 74 */ {0.1610447717564444},
  /* 75 */ {0.1605440854340214},
  /* 76 */ {0.1600530732548213},
  /* 77 */ {0.1595714156699382},
  /* 78 */ {0.1590988078692941},
  /* 79 */ {0.1586349589155960},
  /* 80 */ {0.1581795909397823},
  /* 81 */ {0.1577324383928644},
  /* 82 */ {0.1572932473495469},
  /* 83 */ {0.1568617748594410},
  /* 84 */ {0.1564377883420715},
  /* 85 */ {0.1560210650222250},
  /* 86 */ {0.1556113914024939},
  /* 87 */ {0.1552085627701551},
  /* 88 */ {0.1548123827357682},
  /* 89 */ {0.1544226628011101},
  /* 90 */ {0.1540392219542636},
  /* 91 */ {0.1536618862898642},
  /* 92 */ {0.1532904886526781},
  /* 93 */ {0.1529248683028321},
  /* 94 */ {0.1525648706011593},
  /* 95 */ {0.1522103467132434},
  /* 96 */ {0.1518611533308632},
  /* 97 */ {0.1515171524096389},
  /* 98 */ {0.1511782109217764},
  /* 99 */ {0.1508442006228941},
  /* 100 */ {0.1505149978319906},
  /* 101 */ {0.1501904832236880},
  /* 102 */ {0.1498705416319474},
  /* 103 */ {0.1495550618645152},
  /* 104 */ {0.1492439365274121},
  /* 105 */ {0.1489370618588283},
  /* 106 */ {0.1486343375718350},
  /* 107 */ {0.1483356667053617},
  /* 108 */ {0.1480409554829326},
  /* 109 */ {0.1477501131786861},
  /* 110 */ {0.1474630519902391},
  /* 111 */ {0.1471796869179852},
  /* 112 */ {0.1468999356504447},
  /* 113 */ {0.1466237184553111},
  /* 114 */ {0.1463509580758620},
  /* 115 */ {0.1460815796324244},
  /* 116 */ {0.1458155105286054},
  /* 117 */ {0.1455526803620167},
  /* 118 */ {0.1452930208392429},
  /* 119 */ {0.1450364656948130},
  /* 120 */ {0.1447829506139581},
  /* 121 */ {0.1445324131589439},
  /* 122 */ {0.1442847926987864},
  /* 123 */ {0.1440400303421672},
  /* 124 */ {0.1437980688733776},
  /* 125 */ {0.1435588526911310},
  /* 126 */ {0.1433223277500932},
  /* 127 */ {0.1430884415049874},
  /* 128 */ {0.1428571428571428},
  /* 129 */ {0.1426283821033600},
  /* 130 */ {0.1424021108869747},
  /* 131 */ {0.1421782821510107},
  /* 132 */ {0.1419568500933153},
  /* 133 */ {0.1417377701235801},
  /* 134 */ {0.1415209988221527},
  /* 135 */ {0.1413064939005528},
  /* 136 */ {0.1410942141636095},
  /* 137 */ {0.1408841194731412},
  /* 138 */ {0.1406761707131039},
  /* 139 */ {0.1404703297561400},
  /* 140 */ {0.1402665594314587},
  /* 141 */ {0.1400648234939879},
  /* 142 */ {0.1398650865947379},
  /* 143 */ {0.1396673142523192},
  /* 144 */ {0.1394714728255649},
  /* 145 */ {0.1392775294872041},
  /* 146 */ {0.1390854521985406},
  /* 147 */ {0.1388952096850913},
  /* 148 */ {0.1387067714131417},
  /* 149 */ {0.1385201075671774},
  /* 150 */ {0.1383351890281539},
  /* 151 */ {0.1381519873525671},
  /* 152 */ {0.1379704747522905},
  /* 153 */ {0.1377906240751463},
  /* 154 */ {0.1376124087861776},
  /* 155 */ {0.1374358029495937},
  /* 156 */ {0.1372607812113589},
  /* 157 */ {0.1370873187823978},
  /* 158 */ {0.1369153914223921},
  /* 159 */ {0.1367449754241439},
  /* 160 */ {0.1365760475984821},
  /* 161 */ {0.1364085852596902},
  /* 162 */ {0.1362425662114337},
  /* 163 */ {0.1360779687331669},
  /* 164 */ {0.1359147715670014},
  /* 165 */ {0.1357529539050150},
  /* 166 */ {0.1355924953769864},
  /* 167 */ {0.1354333760385373},
  /* 168 */ {0.1352755763596663},
  /* 169 */ {0.1351190772136599},
  /* 170 */ {0.1349638598663645},
  /* 171 */ {0.1348099059658080},
  /* 172 */ {0.1346571975321549},
  /* 173 */ {0.1345057169479844},
  /* 174 */ {0.1343554469488779},
  /* 175 */ {0.1342063706143054},
  /* 176 */ {0.1340584713587979},
  /* 177 */ {0.1339117329233981},
  /* 178 */ {0.1337661393673756},
  /* 179 */ {0.1336216750601996},
  /* 180 */ {0.1334783246737591},
  /* 181 */ {0.1333360731748201},
  /* 182 */ {0.1331949058177136},
  /* 183 */ {0.1330548081372441},
  /* 184 */ {0.1329157659418126},
  /* 185 */ {0.1327777653067443},
  /* 186 */ {0.1326407925678156},
  /* 187 */ {0.1325048343149731},
  /* 188 */ {0.1323698773862368},
  /* 189 */ {0.1322359088617821},
  /* 190 */ {0.1321029160581950},
  /* 191 */ {0.1319708865228925},
  /* 192 */ {0.1318398080287045},
  /* 193 */ {0.1317096685686114},
  /* 194 */ {0.1315804563506306},
  /* 195 */ {0.1314521597928493},
  /* 196 */ {0.1313247675185968},
  /* 197 */ {0.1311982683517524},
  /* 198 */ {0.1310726513121843},
  /* 199 */ {0.1309479056113158},
  /* 200 */ {0.1308240206478128},
  /* 201 */ {0.1307009860033912},
  /* 202 */ {0.1305787914387386},
  /* 203 */ {0.1304574268895465},
  /* 204 */ {0.1303368824626505},
  /* 205 */ {0.1302171484322746},
  /* 206 */ {0.1300982152363760},
  /* 207 */ {0.1299800734730872},
  /* 208 */ {0.1298627138972530},
  /* 209 */ {0.1297461274170591},
  /* 210 */ {0.1296303050907487},
  /* 211 */ {0.1295152381234257},
  /* 212 */ {0.1294009178639407},
  /* 213 */ {0.1292873358018581},
  /* 214 */ {0.1291744835645007},
  /* 215 */ {0.1290623529140715},
  /* 216 */ {0.1289509357448472},
  /* 217 */ {0.1288402240804449},
  /* 218 */ {0.1287302100711566},
  /* 219 */ {0.1286208859913518},
  /* 220 */ {0.1285122442369443},
  /* 221 */ {0.1284042773229231},
  /* 222 */ {0.1282969778809442},
  /* 223 */ {0.1281903386569819},
  /* 224 */ {0.1280843525090381},
  /* 225 */ {0.1279790124049077},
  /* 226 */ {0.1278743114199984},
  /* 227 */ {0.1277702427352035},
  /* 228 */ {0.1276667996348261},
  /* 229 */ {0.1275639755045533},
  /* 230 */ {0.1274617638294791},
  /* 231 */ {0.1273601581921740},
  /* 232 */ {0.1272591522708010},
  /* 233 */ {0.1271587398372755},
  /* 234 */ {0.1270589147554692},
  /* 235 */ {0.1269596709794558},
  /* 236 */ {0.1268610025517973},
  /* 237 */ {0.1267629036018709},
  /* 238 */ {0.1266653683442337},
  /* 239 */ {0.1265683910770258},
  /* 240 */ {0.1264719661804097},
  /* 241 */ {0.1263760881150453},
  /* 242 */ {0.1262807514205999},
  /* 243 */ {0.1261859507142915},
  /* 244 */ {0.1260916806894653},
  /* 245 */ {0.1259979361142023},
  /* 246 */ {0.1259047118299582},
  /* 247 */ {0.1258120027502338},
  /* 248 */ {0.1257198038592741},
  /* 249 */ {0.1256281102107963},
  /* 250 */ {0.1255369169267456},
  /* 251 */ {0.1254462191960791},
  /* 252 */ {0.1253560122735751},
  /* 253 */ {0.1252662914786691},
  /* 254 */ {0.1251770521943144},
  /* 255 */ {0.1250882898658681},
  /* 256 */ {0.1250000000000000},
};

void
mpfr_assert_fail (const char *filename, int linenum,
                     const char *expr)
{
  if (filename != NULL && filename[0] != '\0')
    {
      fprintf (stderr, "%s:", filename);
      if (linenum != -1)
        fprintf (stderr, "%d: ", linenum);
    }
  fprintf (stderr, " assertion failed: %s\n", expr);
  abort();
}

void
mpfr_rand_raw (mp_ptr mp, gmp_randstate_t rstate, unsigned long int nbits)
{
  mpz_t z;

  /* To be sure to avoid the potential allocation of mpz_urandomb */
  ALLOC(z) = SIZ(z) = (nbits / GMP_NUMB_BITS) + 1;
  PTR(z)   = mp;
  mpz_urandomb(z, rstate, nbits);
}

#ifdef mp_get_memory_functions

/* putting 0 as initial values forces those symbols to be fully defined,
   and always resolved, otherwise they are only tentatively defined, which
   leads to problems on e.g. MacOS, cf
   http://lists.gforge.inria.fr/pipermail/mpc-discuss/2008-November/000048.html
   and http://software.intel.com/en-us/articles/intelr-fortran-compiler-for-mac-os-non_lazy_ptr-unresolved-references-from-linking
   Note that using ranlib -c or libtool -c is another fix.
*/
void * (*mpfr_allocate_func) (size_t) = 0;
void * (*mpfr_reallocate_func) (void *,size_t, size_t) = 0;
void   (*mpfr_free_func) (void *, size_t) = 0;

#endif

void *
mpfr_default_allocate (size_t size)
{
  void *ret;
  ret = malloc (size);
  if (ret == NULL)
    {
      fprintf (stderr, "MPFR: Can't allocate memory (size=%lu)\n",
               (unsigned long) size);
      abort ();
    }
  return ret;
}

void *
mpfr_default_reallocate (void *oldptr, size_t old_size, size_t new_size)
{
  void *ret;
  ret = realloc (oldptr, new_size);
  if (ret == NULL)
    {
      fprintf (stderr,
               "MPFR: Can't reallocate memory (old_size=%lu new_size=%lu)\n",
               (unsigned long) old_size, (unsigned long) new_size);
      abort ();
    }
  return ret;
}

void
mpfr_default_free (void *blk_ptr, size_t blk_size)
{
  free (blk_ptr);
}

void *
mpfr_tmp_allocate (struct tmp_marker **tmp_marker, size_t size)
{
  struct tmp_marker *head;

  head = (struct tmp_marker *)
    mpfr_default_allocate (sizeof (struct tmp_marker));
  head->ptr = mpfr_default_allocate (size);
  head->size = size;
  head->next = *tmp_marker;
  *tmp_marker = head;
  return head->ptr;
}

void
mpfr_tmp_free (struct tmp_marker *tmp_marker)
{
  struct tmp_marker *t;

  while (tmp_marker != NULL)
    {
      t = tmp_marker;
      mpfr_default_free (t->ptr, t->size);
      tmp_marker = t->next;
      mpfr_default_free (t, sizeof (struct tmp_marker));
    }
}

#endif /* Have gmp-impl.h */