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

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

This file is part of the MPFR Library.

The 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 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 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 <stdio.h>  /* For fprintf and stderr */

#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);
}

void
mpfr_init_gmp_rand ()
{
  /* Since we don't use __gmp_rands, but mpfr_rands, we need to init
     __gmp_rands before setting the memory functions so that the tests
     don't report an error.
     Only the tests which call mpn_random2 can do that:
     trandom, tset_f and reuse.
     So we just have to call mpn_random before. */
  mp_limb_t dummy;
  mpn_random (&dummy, 1);
}

#ifdef mp_get_memory_functions

void * (*mpfr_allocate_func) (size_t);
void * (*mpfr_reallocate_func) (void *,size_t, size_t);
void   (*mpfr_free_func) (void *, size_t);

#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);
}

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