19990502 sourceware importbinu_ss_19990502

1 files changed, 209 insertions, 0 deletions

diff --git a/gas/flonum-konst.c b/gas/flonum-konst.c
new file mode 100644
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--- /dev/null
+++ b/gas/flonum-konst.c
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+/* flonum_const.c - Useful Flonum constants
+   Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 1996
+   Free Software Foundation, Inc.
+
+   This file is part of GAS, the GNU Assembler.
+
+   GAS is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   GAS 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GAS; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.  */
+
+#include <ansidecl.h>
+#include "flonum.h"
+/* JF:  I added the last entry to this table, and I'm not
+   sure if its right or not.  Could go either way.  I wish
+   I really understood this stuff. */
+
+
+const int table_size_of_flonum_powers_of_ten = 13;
+
+static const LITTLENUM_TYPE zero[] =
+{1};
+
+/***********************************************************************\
+ *									*
+ *	Warning: the low order bits may be WRONG here.			*
+ *	I took this from a suspect bc(1) script.			*
+ *	"minus_X"[] is supposed to be 10^(2^-X) expressed in base 2^16.	*
+ *	The radix point is just AFTER the highest element of the []	*
+ *									*
+ *	Because bc rounds DOWN for printing (I think), the lowest	*
+ *	significance littlenums should probably have 1 added to them.	*
+ *									*
+ \***********************************************************************/
+
+/* JF:  If this equals 6553/(2^16)+39321/(2^32)+...  it approaches .1 */
+static const LITTLENUM_TYPE minus_1[] =
+{
+  39322, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321,
+  39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 6553};
+static const LITTLENUM_TYPE plus_1[] =
+{10};
+
+/* JF:  If this equals 655/(2^16) + 23592/(2^32) + ... it approaches .01 */
+static const LITTLENUM_TYPE minus_2[] =
+{
+  10486, 36700, 62914, 23592, 49807, 10485, 36700, 62914, 23592, 49807,
+  10485, 36700, 62914, 23592, 49807, 10485, 36700, 62914, 23592, 655};
+static const LITTLENUM_TYPE plus_2[] =
+{100};
+
+/* This approaches .0001 */
+static const LITTLENUM_TYPE minus_3[] =
+{
+  52534, 20027, 37329, 65116, 64067, 60397, 14784, 18979, 33659, 19503,
+  2726, 9542, 629, 2202, 40475, 10590, 4299, 47815, 36280, 6};
+static const LITTLENUM_TYPE plus_3[] =
+{10000};
+
+/* JF: this approaches 1e-8 */
+static const LITTLENUM_TYPE minus_4[] =
+{
+  22517, 49501, 54293, 19424, 60699, 6716, 24348, 22618, 23904, 21327,
+  3919, 44703, 19149, 28803, 48959, 6259, 50273, 62237, 42};
+/* This equals 1525 * 2^16 + 57600 */
+static const LITTLENUM_TYPE plus_4[] =
+{57600, 1525};
+
+/* This approaches 1e-16 */
+static const LITTLENUM_TYPE minus_5[] =
+{
+  22199, 45957, 17005, 26266, 10526, 16260, 55017, 35680, 40443, 19789,
+  17356, 30195, 55905, 28426, 63010, 44197, 1844};
+static const LITTLENUM_TYPE plus_5[] =
+{28609, 34546, 35};
+
+static const LITTLENUM_TYPE minus_6[] =
+{
+  30926, 26518, 13110, 43018, 54982, 48258, 24658, 15209, 63366, 11929,
+  20069, 43857, 60487, 51};
+static const LITTLENUM_TYPE plus_6[] =
+{61313, 34220, 16731, 11629, 1262};
+
+static const LITTLENUM_TYPE minus_7[] =
+{
+  29819, 14733, 21490, 40602, 31315, 65186, 2695};
+static const LITTLENUM_TYPE plus_7[] =
+{
+  7937, 49002, 60772, 28216, 38893, 55975, 63988, 59711, 20227, 24};
+
+static const LITTLENUM_TYPE minus_8[] =
+{
+  27579, 64807, 12543, 794, 13907, 61297, 12013, 64360, 15961, 20566,
+  24178, 15922, 59427, 110};
+static const LITTLENUM_TYPE plus_8[] =
+{
+  15873, 11925, 39177, 991, 14589, 3861, 58415, 9076, 62956, 54223,
+  56328, 50180, 45274, 48333, 32537, 42547, 9731, 59679, 590};
+
+static const LITTLENUM_TYPE minus_9[] =
+{
+  11042, 8464, 58971, 63429, 6022, 63485, 5500, 53464, 47545, 50068,
+  56988, 22819, 49708, 54493, 9920, 47667, 40409, 35764, 10383, 54466,
+  32702, 17493, 32420, 34382, 22750, 20681, 12300};
+static const LITTLENUM_TYPE plus_9[] =
+{
+  20678, 27614, 28272, 53066, 55311, 54677, 29038, 9906, 26288, 44486,
+  13860, 7445, 54106, 15426, 21518, 25599, 29632, 52309, 61207, 26105,
+  10482, 21948, 51191, 32988, 60892, 62574, 61390, 24540, 21495, 5};
+
+static const LITTLENUM_TYPE minus_10[] =
+{
+  6214, 48771, 23471, 30163, 31763, 38013, 57001, 11770, 18263, 36366,
+  20742, 45086, 56969, 53231, 37856, 55814, 38057, 15692, 46761, 8713,
+  6102, 20083, 8269, 11839, 11571, 50963, 15649, 11698, 40675, 2308};
+static const LITTLENUM_TYPE plus_10[] =
+{
+  63839, 36576, 45712, 44516, 37803, 29482, 4966, 30556, 37961, 23310,
+  27070, 44972, 29507, 48257, 45209, 7494, 17831, 38728, 41577, 29443,
+  36016, 7955, 35339, 35479, 36011, 14553, 49618, 5588, 25396, 28};
+
+static const LITTLENUM_TYPE minus_11[] =
+{
+  16663, 56882, 61983, 7804, 36555, 32060, 34502, 1000, 14356, 21681,
+  6605, 34767, 51411, 59048, 53614, 39850, 30079, 6496, 6846, 26841,
+  40778, 19578, 59899, 44085, 54016, 24259, 11232, 21229, 21313, 81};
+static const LITTLENUM_TYPE plus_11[] =
+{
+  92, 9054, 62707, 17993, 7821, 56838, 13992, 21321, 29637, 48426,
+  42982, 38668, 49574, 28820, 18200, 18927, 53979, 16219, 37484, 2516,
+  44642, 14665, 11587, 41926, 13556, 23956, 54320, 6661, 55766, 805};
+
+static const LITTLENUM_TYPE minus_12[] =
+{
+  33202, 45969, 58804, 56734, 16482, 26007, 44984, 49334, 31007, 32944,
+  44517, 63329, 47131, 15291, 59465, 2264, 23218, 11829, 59771, 38798,
+  31051, 28748, 23129, 40541, 41562, 35108, 50620, 59014, 51817, 6613};
+static const LITTLENUM_TYPE plus_12[] =
+{
+  10098, 37922, 58070, 7432, 10470, 63465, 23718, 62190, 47420, 7009,
+  38443, 4587, 45596, 38472, 52129, 52779, 29012, 13559, 48688, 31678,
+  41753, 58662, 10668, 36067, 29906, 56906, 21461, 46556, 59571, 9};
+
+static const LITTLENUM_TYPE minus_13[] =
+{
+  45309, 27592, 37144, 34637, 34328, 41671, 34620, 24135, 53401, 22112,
+  21576, 45147, 39310, 44051, 48572, 3676, 46544, 59768, 33350, 2323,
+  49524, 61568, 3903, 36487, 36356, 30903, 14975, 9035, 29715, 667};
+static const LITTLENUM_TYPE plus_13[] =
+{
+  18788, 16960, 6318, 45685, 55400, 46230, 35794, 25588, 7253, 55541,
+  49716, 59760, 63592, 8191, 63765, 58530, 44667, 13294, 10001, 55586,
+  47887, 18738, 9509, 40896, 42506, 52580, 4171, 325, 12329, 98};
+
+/* Shut up complaints about differing pointer types.  They only differ
+   in the const attribute, but there isn't any easy way to do this
+   */
+#define X (LITTLENUM_TYPE *)
+
+const FLONUM_TYPE flonum_negative_powers_of_ten[] =
+{
+  {X zero, X zero, X zero, 0, '+'},
+  {X minus_1, X minus_1 + 19, X minus_1 + 19, -20, '+'},
+  {X minus_2, X minus_2 + 19, X minus_2 + 19, -20, '+'},
+  {X minus_3, X minus_3 + 19, X minus_3 + 19, -20, '+'},
+  {X minus_4, X minus_4 + 18, X minus_4 + 18, -20, '+'},
+  {X minus_5, X minus_5 + 16, X minus_5 + 16, -20, '+'},
+  {X minus_6, X minus_6 + 13, X minus_6 + 13, -20, '+'},
+  {X minus_7, X minus_7 + 6, X minus_7 + 6, -20, '+'},
+  {X minus_8, X minus_8 + 13, X minus_8 + 13, -40, '+'},
+  {X minus_9, X minus_9 + 26, X minus_9 + 26, -80, '+'},
+  {X minus_10, X minus_10 + 29, X minus_10 + 29, -136, '+'},
+  {X minus_11, X minus_11 + 29, X minus_11 + 29, -242, '+'},
+  {X minus_12, X minus_12 + 29, X minus_12 + 29, -455, '+'},
+  {X minus_13, X minus_13 + 29, X minus_13 + 29, -880, '+'},
+};
+
+const FLONUM_TYPE flonum_positive_powers_of_ten[] =
+{
+  {X zero, X zero, X zero, 0, '+'},
+  {X plus_1, X plus_1 + 0, X plus_1 + 0, 0, '+'},
+  {X plus_2, X plus_2 + 0, X plus_2 + 0, 0, '+'},
+  {X plus_3, X plus_3 + 0, X plus_3 + 0, 0, '+'},
+  {X plus_4, X plus_4 + 1, X plus_4 + 1, 0, '+'},
+  {X plus_5, X plus_5 + 2, X plus_5 + 2, 1, '+'},
+  {X plus_6, X plus_6 + 4, X plus_6 + 4, 2, '+'},
+  {X plus_7, X plus_7 + 9, X plus_7 + 9, 4, '+'},
+  {X plus_8, X plus_8 + 18, X plus_8 + 18, 8, '+'},
+  {X plus_9, X plus_9 + 29, X plus_9 + 29, 24, '+'},
+  {X plus_10, X plus_10 + 29, X plus_10 + 29, 77, '+'},
+  {X plus_11, X plus_11 + 29, X plus_11 + 29, 183, '+'},
+  {X plus_12, X plus_12 + 29, X plus_12 + 29, 396, '+'},
+  {X plus_13, X plus_13 + 29, X plus_13 + 29, 821, '+'},
+};
+
+#ifdef VMS
+void dummy1 () { }
+#endif
+/* end of flonum_const.c */