t_exp2f.h

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/* See the import.pl script for potential modifications */
/* Accurate tables for exp2f().
   Copyright (C) 1998 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Geoffrey Keating <[e-mail]>

   The GNU C 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 2.1f of the License, or (at your option) any later version.

   The GNU C 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 C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

/* This table has the property that, for all integers -128 <= i <= 127,
   exp(i/256.0f + __exp2f_deltatable[i-128]) == __exp2f_atable[i+128] + r
   for some -2^-35 < r < 2^-35 (abs(r) < 2^-36 if i <= 0); and that
   __exp2f_deltatable[i+128] == t * 2^-30
   for integer t so that abs(t) <= 43447 * 2^0.  */

#define W30 (9.31322575e-10f)
static const Simple __exp2f_deltatable[256] = {
      -810*W30,       283*W30,     -1514*W30,      1304*W30,
     -1148*W30,       -98*W30,      -744*W30,      -156*W30,
      -419*W30,      -155*W30,       474*W30,       167*W30,
     -1984*W30,      -826*W30,       692*W30,       781*W30,
      -578*W30,      -411*W30,      -129*W30,     -1500*W30,
       654*W30,      -141*W30,      -816*W30,       -53*W30,
       148*W30,       493*W30,     -2214*W30,       760*W30,
       260*W30,       750*W30,     -1300*W30,      1424*W30,
     -1445*W30,      -339*W30,      -680*W30,      -349*W30,
      -922*W30,       531*W30,       193*W30,     -2892*W30,
       290*W30,     -2145*W30,      -276*W30,       485*W30,
      -695*W30,       215*W30,     -7093*W30,       412*W30,
     -4596*W30,       367*W30,       592*W30,      -615*W30,
       -97*W30,     -1066*W30,       972*W30,      -226*W30,
      -625*W30,      -374*W30,     -5647*W30,      -180*W30,
     20349*W30,      -447*W30,       111*W30,     -4164*W30,
       -87*W30,       -21*W30,      -251*W30,        66*W30,
      -517*W30,      2093*W30,      -263*W30,       182*W30,
      -601*W30,       475*W30,      -483*W30,     -1251*W30,
      -373*W30,      1471*W30,       -92*W30,      -215*W30,
       -97*W30,      -190*W30,         0*W30,      -290*W30,
     -2647*W30,      1940*W30,      -582*W30,        28*W30,
       833*W30,      1493*W30,        34*W30,       321*W30,
      3327*W30,       -35*W30,       177*W30,      -135*W30,
      -796*W30,      -428*W30,       129*W30,      9332*W30,
       -12*W30,       -69*W30,     -1743*W30,      6508*W30,
       -60*W30,       359*W30,     43447*W30,        15*W30,
       -23*W30,      -305*W30,      -375*W30,      -652*W30,
       667*W30,       269*W30,     -1575*W30,       185*W30,
      -329*W30,       200*W30,      6002*W30,       163*W30,
      -647*W30,        19*W30,      -603*W30,      -755*W30,
       742*W30,      -438*W30,      3587*W30,      2560*W30,
         0*W30,      -520*W30,      -241*W30,      -299*W30,
     -1270*W30,      -991*W30,     -1138*W30,       255*W30,
     -1192*W30,      1722*W30,      1023*W30,      3700*W30,
     -1388*W30,     -1551*W30,     -2549*W30,        27*W30,
       282*W30,       673*W30,       113*W30,      1561*W30,
        72*W30,       873*W30,        87*W30,      -395*W30,
      -433*W30,       629*W30,      3440*W30,      -284*W30,
      -592*W30,      -103*W30,       -46*W30,     -3844*W30,
      1712*W30,       303*W30,      1555*W30,      -631*W30,
     -1400*W30,      -961*W30,      -854*W30,      -276*W30,
       407*W30,       833*W30,      -345*W30,     -1501*W30,
       121*W30,     -1581*W30,       400*W30,       150*W30,
      1224*W30,      -139*W30,      -563*W30,       879*W30,
       933*W30,      2939*W30,       788*W30,       211*W30,
       530*W30,      -192*W30,       706*W30,    -13347*W30,
      1065*W30,         3*W30,       111*W30,      -208*W30,
      -360*W30,      -532*W30,      -291*W30,       483*W30,
       987*W30,       -33*W30,     -1373*W30,      -166*W30,
     -1174*W30,     -3955*W30,      1601*W30,      -280*W30,
      1405*W30,       600*W30,     -1659*W30,       -23*W30,
       390*W30,       449*W30,       570*W30,    -13143*W30,
        -9*W30,     -1646*W30,      1201*W30,       294*W30,
      2181*W30,     -1173*W30,      1388*W30,     -4504*W30,
       190*W30,     -2304*W30,       211*W30,       239*W30,
        48*W30,      -817*W30,      1018*W30,      1828*W30,
      -663*W30,      1408*W30,       408*W30,       -36*W30,
      1295*W30,      -230*W30,      1341*W30,         9*W30,
        40*W30,       705*W30,       186*W30,       376*W30,
       557*W30,      5866*W30,       363*W30,     -1558*W30,
       718*W30,       669*W30,      1369*W30,     -2972*W30,
      -468*W30,      -121*W30,      -219*W30,       667*W30,
     29954*W30,       366*W30,        48*W30,      -203*W30
};

namespace streflop_libm {
static const Simple __exp2f_atable[256] /* __attribute__((mode(SF))) */ = {
 0.707106411447f, /* 0x0.b504ecfff */
 0.709024071690f, /* 0x0.b58299fff */
 0.710945606239f, /* 0x0.b60088000 */
 0.712874472142f, /* 0x0.b67ef1000 */
 0.714806139464f, /* 0x0.b6fd88fff */
 0.716744661340f, /* 0x0.b77c94000 */
 0.718687653549f, /* 0x0.b7fbea000 */
 0.720636486992f, /* 0x0.b87ba1fff */
 0.722590208040f, /* 0x0.b8fbabfff */
 0.724549472323f, /* 0x0.b97c12fff */
 0.726514220228f, /* 0x0.b9fcd5fff */
 0.728483855735f, /* 0x0.ba7deb000 */
 0.730457961549f, /* 0x0.baff4afff */
 0.732438981522f, /* 0x0.bb811efff */
 0.734425544748f, /* 0x0.bc0350000 */
 0.736416816713f, /* 0x0.bc85d0000 */
 0.738412797450f, /* 0x0.bd089efff */
 0.740414917465f, /* 0x0.bd8bd4fff */
 0.742422521111f, /* 0x0.be0f66fff */
 0.744434773914f, /* 0x0.be9346fff */
 0.746454179287f, /* 0x0.bf179f000 */
 0.748477637755f, /* 0x0.bf9c3afff */
 0.750506639473f, /* 0x0.c02133fff */
 0.752541840064f, /* 0x0.c0a694fff */
 0.754582285889f, /* 0x0.c12c4e000 */
 0.756628334525f, /* 0x0.c1b265000 */
 0.758678436269f, /* 0x0.c238bffff */
 0.760736882681f, /* 0x0.c2bfa6fff */
 0.762799203401f, /* 0x0.c346cf000 */
 0.764867603790f, /* 0x0.c3ce5d000 */
 0.766940355298f, /* 0x0.c45633fff */
 0.769021093841f, /* 0x0.c4de90fff */
 0.771104693409f, /* 0x0.c5671dfff */
 0.773195922364f, /* 0x0.c5f02afff */
 0.775292098512f, /* 0x0.c6798afff */
 0.777394294745f, /* 0x0.c70350000 */
 0.779501736166f, /* 0x0.c78d6d000 */
 0.781615912910f, /* 0x0.c817fafff */
 0.783734917628f, /* 0x0.c8a2d9fff */
 0.785858273516f, /* 0x0.c92e02000 */
 0.787990570071f, /* 0x0.c9b9c0000 */
 0.790125787245f, /* 0x0.ca45aefff */
 0.792268991467f, /* 0x0.cad223fff */
 0.794417440881f, /* 0x0.cb5ef0fff */
 0.796570718287f, /* 0x0.cbec0efff */
 0.798730909811f, /* 0x0.cc79a0fff */
 0.800892710672f, /* 0x0.cd074dfff */
 0.803068041795f, /* 0x0.cd95ddfff */
 0.805242776881f, /* 0x0.ce2464000 */
 0.807428598393f, /* 0x0.ceb3a3fff */
 0.809617877002f, /* 0x0.cf431dfff */
 0.811812341211f, /* 0x0.cfd2eefff */
 0.814013659956f, /* 0x0.d06333000 */
 0.816220164311f, /* 0x0.d0f3ce000 */
 0.818434238424f, /* 0x0.d184e7fff */
 0.820652604094f, /* 0x0.d21649fff */
 0.822877407074f, /* 0x0.d2a818000 */
 0.825108587751f, /* 0x0.d33a51000 */
 0.827342867839f, /* 0x0.d3ccbdfff */
 0.829588949684f, /* 0x0.d45ff1000 */
 0.831849217401f, /* 0x0.d4f411fff */
 0.834093391880f, /* 0x0.d58724fff */
 0.836355149750f, /* 0x0.d61b5f000 */
 0.838620424257f, /* 0x0.d6afd3fff */
 0.840896368027f, /* 0x0.d744fc000 */
 0.843176305293f, /* 0x0.d7da66fff */
 0.845462262643f, /* 0x0.d87037000 */
 0.847754716864f, /* 0x0.d90673fff */
 0.850052893157f, /* 0x0.d99d10fff */
 0.852359056469f, /* 0x0.da3433fff */
 0.854668736446f, /* 0x0.dacb91fff */
 0.856986224651f, /* 0x0.db6373000 */
 0.859309315673f, /* 0x0.dbfbb1fff */
 0.861639738080f, /* 0x0.dc946bfff */
 0.863975346095f, /* 0x0.dd2d7d000 */
 0.866317391394f, /* 0x0.ddc6f9fff */
 0.868666708472f, /* 0x0.de60f1000 */
 0.871022939695f, /* 0x0.defb5c000 */
 0.873383641229f, /* 0x0.df9611fff */
 0.875751554968f, /* 0x0.e03141000 */
 0.878126025200f, /* 0x0.e0ccde000 */