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  1. /* flonum_const.c - Useful Flonum constants
  2.    Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 2000, 2002,
  3.    2005, 2007  Free Software Foundation, Inc.
  4.  
  5.    This file is part of GAS, the GNU Assembler.
  6.  
  7.    GAS is free software; you can redistribute it and/or modify
  8.    it under the terms of the GNU General Public License as published by
  9.    the Free Software Foundation; either version 3, or (at your option)
  10.    any later version.
  11.  
  12.    GAS is distributed in the hope that it will be useful,
  13.    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15.    GNU General Public License for more details.
  16.  
  17.    You should have received a copy of the GNU General Public License
  18.    along with GAS; see the file COPYING.  If not, write to the Free
  19.    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  20.    02110-1301, USA.  */
  21.  
  22. #include "ansidecl.h"
  23. #include "flonum.h"
  24. /* JF:  I added the last entry to this table, and I'm not
  25.    sure if its right or not.  Could go either way.  I wish
  26.    I really understood this stuff.  */
  27.  
  28. const int table_size_of_flonum_powers_of_ten = 13;
  29.  
  30. static const LITTLENUM_TYPE zero[] = {
  31.   1
  32. };
  33.  
  34. /***********************************************************************\
  35.  *                                                                      *
  36.  *      Warning: the low order bits may be WRONG here.                  *
  37.  *      I took this from a suspect bc(1) script.                        *
  38.  *      "minus_X"[] is supposed to be 10^(2^-X) expressed in base 2^16. *
  39.  *      The radix point is just AFTER the highest element of the []     *
  40.  *                                                                      *
  41.  *      Because bc rounds DOWN for printing (I think), the lowest       *
  42.  *      significance littlenums should probably have 1 added to them.   *
  43.  *                                                                      *
  44.  \***********************************************************************/
  45.  
  46. /* JF:  If this equals 6553/(2^16)+39321/(2^32)+...  it approaches .1 */
  47. static const LITTLENUM_TYPE minus_1[] = {
  48.   39322, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321,
  49.   39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 6553
  50. };
  51.  
  52. static const LITTLENUM_TYPE plus_1[] = {
  53.   10
  54. };
  55.  
  56. /* JF:  If this equals 655/(2^16) + 23592/(2^32) + ... it approaches .01 */
  57. static const LITTLENUM_TYPE minus_2[] = {
  58.   10486, 36700, 62914, 23592, 49807, 10485, 36700, 62914, 23592, 49807,
  59.   10485, 36700, 62914, 23592, 49807, 10485, 36700, 62914, 23592, 655
  60. };
  61.  
  62. static const LITTLENUM_TYPE plus_2[] = {
  63.   100
  64. };
  65.  
  66. /* This approaches .0001 */
  67. static const LITTLENUM_TYPE minus_3[] = {
  68.   52534, 20027, 37329, 65116, 64067, 60397, 14784, 18979, 33659, 19503,
  69.   2726, 9542, 629, 2202, 40475, 10590, 4299, 47815, 36280, 6
  70. };
  71.  
  72. static const LITTLENUM_TYPE plus_3[] = {
  73.   10000
  74. };
  75.  
  76. /* JF: this approaches 1e-8 */
  77. static const LITTLENUM_TYPE minus_4[] = {
  78.   22517, 49501, 54293, 19424, 60699, 6716, 24348, 22618, 23904, 21327,
  79.   3919, 44703, 19149, 28803, 48959, 6259, 50273, 62237, 42
  80. };
  81.  
  82. /* This equals 1525 * 2^16 + 57600 */
  83. static const LITTLENUM_TYPE plus_4[] = {
  84.   57600, 1525
  85. };
  86.  
  87. /* This approaches 1e-16 */
  88. static const LITTLENUM_TYPE minus_5[] = {
  89.   22199, 45957, 17005, 26266, 10526, 16260, 55017, 35680, 40443, 19789,
  90.   17356, 30195, 55905, 28426, 63010, 44197, 1844
  91. };
  92.  
  93. static const LITTLENUM_TYPE plus_5[] = {
  94.   28609, 34546, 35
  95. };
  96.  
  97. static const LITTLENUM_TYPE minus_6[] = {
  98.   30926, 26518, 13110, 43018, 54982, 48258, 24658, 15209, 63366, 11929,
  99.   20069, 43857, 60487, 51
  100. };
  101.  
  102. static const LITTLENUM_TYPE plus_6[] = {
  103.   61313, 34220, 16731, 11629, 1262
  104. };
  105.  
  106. static const LITTLENUM_TYPE minus_7[] = {
  107.   29819, 14733, 21490, 40602, 31315, 65186, 2695
  108. };
  109.  
  110. static const LITTLENUM_TYPE plus_7[] = {
  111.   7937, 49002, 60772, 28216, 38893, 55975, 63988, 59711, 20227, 24
  112. };
  113.  
  114. static const LITTLENUM_TYPE minus_8[] = {
  115.   27579, 64807, 12543, 794, 13907, 61297, 12013, 64360, 15961, 20566,
  116.   24178, 15922, 59427, 110
  117. };
  118.  
  119. static const LITTLENUM_TYPE plus_8[] = {
  120.   15873, 11925, 39177, 991, 14589, 3861, 58415, 9076, 62956, 54223,
  121.   56328, 50180, 45274, 48333, 32537, 42547, 9731, 59679, 590
  122. };
  123.  
  124. static const LITTLENUM_TYPE minus_9[] = {
  125.   11042, 8464, 58971, 63429, 6022, 63485, 5500, 53464, 47545, 50068,
  126.   56988, 22819, 49708, 54493, 9920, 47667, 40409, 35764, 10383, 54466,
  127.   32702, 17493, 32420, 34382, 22750, 20681, 12300
  128. };
  129.  
  130. static const LITTLENUM_TYPE plus_9[] = {
  131.   20678, 27614, 28272, 53066, 55311, 54677, 29038, 9906, 26288, 44486,
  132.   13860, 7445, 54106, 15426, 21518, 25599, 29632, 52309, 61207, 26105,
  133.   10482, 21948, 51191, 32988, 60892, 62574, 61390, 24540, 21495, 5
  134. };
  135.  
  136. static const LITTLENUM_TYPE minus_10[] = {
  137.   6214, 48771, 23471, 30163, 31763, 38013, 57001, 11770, 18263, 36366,
  138.   20742, 45086, 56969, 53231, 37856, 55814, 38057, 15692, 46761, 8713,
  139.   6102, 20083, 8269, 11839, 11571, 50963, 15649, 11698, 40675, 2308
  140. };
  141.  
  142. static const LITTLENUM_TYPE plus_10[] = {
  143.   63839, 36576, 45712, 44516, 37803, 29482, 4966, 30556, 37961, 23310,
  144.   27070, 44972, 29507, 48257, 45209, 7494, 17831, 38728, 41577, 29443,
  145.   36016, 7955, 35339, 35479, 36011, 14553, 49618, 5588, 25396, 28
  146. };
  147.  
  148. static const LITTLENUM_TYPE minus_11[] = {
  149.   16663, 56882, 61983, 7804, 36555, 32060, 34502, 1000, 14356, 21681,
  150.   6605, 34767, 51411, 59048, 53614, 39850, 30079, 6496, 6846, 26841,
  151.   40778, 19578, 59899, 44085, 54016, 24259, 11232, 21229, 21313, 81
  152. };
  153.  
  154. static const LITTLENUM_TYPE plus_11[] = {
  155.   92, 9054, 62707, 17993, 7821, 56838, 13992, 21321, 29637, 48426,
  156.   42982, 38668, 49574, 28820, 18200, 18927, 53979, 16219, 37484, 2516,
  157.   44642, 14665, 11587, 41926, 13556, 23956, 54320, 6661, 55766, 805
  158. };
  159.  
  160. static const LITTLENUM_TYPE minus_12[] = {
  161.   33202, 45969, 58804, 56734, 16482, 26007, 44984, 49334, 31007, 32944,
  162.   44517, 63329, 47131, 15291, 59465, 2264, 23218, 11829, 59771, 38798,
  163.   31051, 28748, 23129, 40541, 41562, 35108, 50620, 59014, 51817, 6613
  164. };
  165.  
  166. static const LITTLENUM_TYPE plus_12[] = {
  167.   10098, 37922, 58070, 7432, 10470, 63465, 23718, 62190, 47420, 7009,
  168.   38443, 4587, 45596, 38472, 52129, 52779, 29012, 13559, 48688, 31678,
  169.   41753, 58662, 10668, 36067, 29906, 56906, 21461, 46556, 59571, 9
  170. };
  171.  
  172. static const LITTLENUM_TYPE minus_13[] = {
  173.   45309, 27592, 37144, 34637, 34328, 41671, 34620, 24135, 53401, 22112,
  174.   21576, 45147, 39310, 44051, 48572, 3676, 46544, 59768, 33350, 2323,
  175.   49524, 61568, 3903, 36487, 36356, 30903, 14975, 9035, 29715, 667
  176. };
  177.  
  178. static const LITTLENUM_TYPE plus_13[] = {
  179.   18788, 16960, 6318, 45685, 55400, 46230, 35794, 25588, 7253, 55541,
  180.   49716, 59760, 63592, 8191, 63765, 58530, 44667, 13294, 10001, 55586,
  181.   47887, 18738, 9509, 40896, 42506, 52580, 4171, 325, 12329, 98
  182. };
  183.  
  184. /* Shut up complaints about differing pointer types.  They only differ
  185.    in the const attribute, but there isn't any easy way to do this
  186.    */
  187. #define X (LITTLENUM_TYPE *)
  188.  
  189. const FLONUM_TYPE flonum_negative_powers_of_ten[] = {
  190.   {X zero, X zero, X zero, 0, '+'},
  191.   {X minus_1, X minus_1 + 19, X minus_1 + 19, -20, '+'},
  192.   {X minus_2, X minus_2 + 19, X minus_2 + 19, -20, '+'},
  193.   {X minus_3, X minus_3 + 19, X minus_3 + 19, -20, '+'},
  194.   {X minus_4, X minus_4 + 18, X minus_4 + 18, -20, '+'},
  195.   {X minus_5, X minus_5 + 16, X minus_5 + 16, -20, '+'},
  196.   {X minus_6, X minus_6 + 13, X minus_6 + 13, -20, '+'},
  197.   {X minus_7, X minus_7 + 6, X minus_7 + 6, -20, '+'},
  198.   {X minus_8, X minus_8 + 13, X minus_8 + 13, -40, '+'},
  199.   {X minus_9, X minus_9 + 26, X minus_9 + 26, -80, '+'},
  200.   {X minus_10, X minus_10 + 29, X minus_10 + 29, -136, '+'},
  201.   {X minus_11, X minus_11 + 29, X minus_11 + 29, -242, '+'},
  202.   {X minus_12, X minus_12 + 29, X minus_12 + 29, -455, '+'},
  203.   {X minus_13, X minus_13 + 29, X minus_13 + 29, -880, '+'},
  204. };
  205.  
  206. const FLONUM_TYPE flonum_positive_powers_of_ten[] = {
  207.   {X zero, X zero, X zero, 0, '+'},
  208.   {X plus_1, X plus_1 + 0, X plus_1 + 0, 0, '+'},
  209.   {X plus_2, X plus_2 + 0, X plus_2 + 0, 0, '+'},
  210.   {X plus_3, X plus_3 + 0, X plus_3 + 0, 0, '+'},
  211.   {X plus_4, X plus_4 + 1, X plus_4 + 1, 0, '+'},
  212.   {X plus_5, X plus_5 + 2, X plus_5 + 2, 1, '+'},
  213.   {X plus_6, X plus_6 + 4, X plus_6 + 4, 2, '+'},
  214.   {X plus_7, X plus_7 + 9, X plus_7 + 9, 4, '+'},
  215.   {X plus_8, X plus_8 + 18, X plus_8 + 18, 8, '+'},
  216.   {X plus_9, X plus_9 + 29, X plus_9 + 29, 24, '+'},
  217.   {X plus_10, X plus_10 + 29, X plus_10 + 29, 77, '+'},
  218.   {X plus_11, X plus_11 + 29, X plus_11 + 29, 183, '+'},
  219.   {X plus_12, X plus_12 + 29, X plus_12 + 29, 396, '+'},
  220.   {X plus_13, X plus_13 + 29, X plus_13 + 29, 821, '+'},
  221. };
  222.  
  223. #ifdef VMS
  224. void
  225. dummy1 ()
  226. {
  227. }
  228. #endif
  229.