[deliverable/binutils-gdb.git] / gas / flonum-konst.c

/* flonum_const.c - Useful Flonum constants
   Copyright (C) 1987, 1990, 1991, 1992 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 */
Commit	Line	Data
	1	/* flonum_const.c - Useful Flonum constants
	2	Copyright (C) 1987, 1990, 1991, 1992 Free Software Foundation, Inc.
	3
	4	This file is part of GAS, the GNU Assembler.
	5
	6	GAS is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2, or (at your option)
	9	any later version.
	10
	11	GAS is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with GAS; see the file COPYING. If not, write to
	18	the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
	19
	20	#include <ansidecl.h>
	21	#include "flonum.h"
	22	/* JF: I added the last entry to this table, and I'm not
	23	sure if its right or not. Could go either way. I wish
	24	I really understood this stuff. */
	25
	26
	27	const int table_size_of_flonum_powers_of_ten = 13;
	28
	29	static const LITTLENUM_TYPE zero[] =
	30	{1};
	31
	32	/***********************************************************************\
	33	* *
	34	* Warning: the low order bits may be WRONG here. *
	35	* I took this from a suspect bc(1) script. *
	36	* "minus_X"[] is supposed to be 10^(2^-X) expressed in base 2^16. *
	37	* The radix point is just AFTER the highest element of the [] *
	38	* *
	39	* Because bc rounds DOWN for printing (I think), the lowest *
	40	* significance littlenums should probably have 1 added to them. *
	41	* *
	42	\***********************************************************************/
	43
	44	/* JF: If this equals 6553/(2^16)+39321/(2^32)+... it approaches .1 */
	45	static const LITTLENUM_TYPE minus_1[] =
	46	{
	47	39322, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321,
	48	39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 6553};
	49	static const LITTLENUM_TYPE plus_1[] =
	50	{10};
	51
	52	/* JF: If this equals 655/(2^16) + 23592/(2^32) + ... it approaches .01 */
	53	static const LITTLENUM_TYPE minus_2[] =
	54	{
	55	10486, 36700, 62914, 23592, 49807, 10485, 36700, 62914, 23592, 49807,
	56	10485, 36700, 62914, 23592, 49807, 10485, 36700, 62914, 23592, 655};
	57	static const LITTLENUM_TYPE plus_2[] =
	58	{100};
	59
	60	/* This approaches .0001 */
	61	static const LITTLENUM_TYPE minus_3[] =
	62	{
	63	52534, 20027, 37329, 65116, 64067, 60397, 14784, 18979, 33659, 19503,
	64	2726, 9542, 629, 2202, 40475, 10590, 4299, 47815, 36280, 6};
	65	static const LITTLENUM_TYPE plus_3[] =
	66	{10000};
	67
	68	/* JF: this approaches 1e-8 */
	69	static const LITTLENUM_TYPE minus_4[] =
	70	{
	71	22517, 49501, 54293, 19424, 60699, 6716, 24348, 22618, 23904, 21327,
	72	3919, 44703, 19149, 28803, 48959, 6259, 50273, 62237, 42};
	73	/* This equals 1525 * 2^16 + 57600 */
	74	static const LITTLENUM_TYPE plus_4[] =
	75	{57600, 1525};
	76
	77	/* This approaches 1e-16 */
	78	static const LITTLENUM_TYPE minus_5[] =
	79	{
	80	22199, 45957, 17005, 26266, 10526, 16260, 55017, 35680, 40443, 19789,
	81	17356, 30195, 55905, 28426, 63010, 44197, 1844};
	82	static const LITTLENUM_TYPE plus_5[] =
	83	{28609, 34546, 35};
	84
	85	static const LITTLENUM_TYPE minus_6[] =
	86	{
	87	30926, 26518, 13110, 43018, 54982, 48258, 24658, 15209, 63366, 11929,
	88	20069, 43857, 60487, 51};
	89	static const LITTLENUM_TYPE plus_6[] =
	90	{61313, 34220, 16731, 11629, 1262};
	91
	92	static const LITTLENUM_TYPE minus_7[] =
	93	{
	94	29819, 14733, 21490, 40602, 31315, 65186, 2695};
	95	static const LITTLENUM_TYPE plus_7[] =
	96	{
	97	7937, 49002, 60772, 28216, 38893, 55975, 63988, 59711, 20227, 24};
	98
	99	static const LITTLENUM_TYPE minus_8[] =
	100	{
	101	27579, 64807, 12543, 794, 13907, 61297, 12013, 64360, 15961, 20566,
	102	24178, 15922, 59427, 110};
	103	static const LITTLENUM_TYPE plus_8[] =
	104	{
	105	15873, 11925, 39177, 991, 14589, 3861, 58415, 9076, 62956, 54223,
	106	56328, 50180, 45274, 48333, 32537, 42547, 9731, 59679, 590};
	107
	108	static const LITTLENUM_TYPE minus_9[] =
	109	{
	110	11042, 8464, 58971, 63429, 6022, 63485, 5500, 53464, 47545, 50068,
	111	56988, 22819, 49708, 54493, 9920, 47667, 40409, 35764, 10383, 54466,
	112	32702, 17493, 32420, 34382, 22750, 20681, 12300};
	113	static const LITTLENUM_TYPE plus_9[] =
	114	{
	115	20678, 27614, 28272, 53066, 55311, 54677, 29038, 9906, 26288, 44486,
	116	13860, 7445, 54106, 15426, 21518, 25599, 29632, 52309, 61207, 26105,
	117	10482, 21948, 51191, 32988, 60892, 62574, 61390, 24540, 21495, 5};
	118
	119	static const LITTLENUM_TYPE minus_10[] =
	120	{
	121	6214, 48771, 23471, 30163, 31763, 38013, 57001, 11770, 18263, 36366,
	122	20742, 45086, 56969, 53231, 37856, 55814, 38057, 15692, 46761, 8713,
	123	6102, 20083, 8269, 11839, 11571, 50963, 15649, 11698, 40675, 2308};
	124	static const LITTLENUM_TYPE plus_10[] =
	125	{
	126	63839, 36576, 45712, 44516, 37803, 29482, 4966, 30556, 37961, 23310,
	127	27070, 44972, 29507, 48257, 45209, 7494, 17831, 38728, 41577, 29443,
	128	36016, 7955, 35339, 35479, 36011, 14553, 49618, 5588, 25396, 28};
	129
	130	static const LITTLENUM_TYPE minus_11[] =
	131	{
	132	16663, 56882, 61983, 7804, 36555, 32060, 34502, 1000, 14356, 21681,
	133	6605, 34767, 51411, 59048, 53614, 39850, 30079, 6496, 6846, 26841,
	134	40778, 19578, 59899, 44085, 54016, 24259, 11232, 21229, 21313, 81};
	135	static const LITTLENUM_TYPE plus_11[] =
	136	{
	137	92, 9054, 62707, 17993, 7821, 56838, 13992, 21321, 29637, 48426,
	138	42982, 38668, 49574, 28820, 18200, 18927, 53979, 16219, 37484, 2516,
	139	44642, 14665, 11587, 41926, 13556, 23956, 54320, 6661, 55766, 805};
	140
	141	static const LITTLENUM_TYPE minus_12[] =
	142	{
	143	33202, 45969, 58804, 56734, 16482, 26007, 44984, 49334, 31007, 32944,
	144	44517, 63329, 47131, 15291, 59465, 2264, 23218, 11829, 59771, 38798,
	145	31051, 28748, 23129, 40541, 41562, 35108, 50620, 59014, 51817, 6613};
	146	static const LITTLENUM_TYPE plus_12[] =
	147	{
	148	10098, 37922, 58070, 7432, 10470, 63465, 23718, 62190, 47420, 7009,
	149	38443, 4587, 45596, 38472, 52129, 52779, 29012, 13559, 48688, 31678,
	150	41753, 58662, 10668, 36067, 29906, 56906, 21461, 46556, 59571, 9};
	151
	152	static const LITTLENUM_TYPE minus_13[] =
	153	{
	154	45309, 27592, 37144, 34637, 34328, 41671, 34620, 24135, 53401, 22112,
	155	21576, 45147, 39310, 44051, 48572, 3676, 46544, 59768, 33350, 2323,
	156	49524, 61568, 3903, 36487, 36356, 30903, 14975, 9035, 29715, 667};
	157	static const LITTLENUM_TYPE plus_13[] =
	158	{
	159	18788, 16960, 6318, 45685, 55400, 46230, 35794, 25588, 7253, 55541,
	160	49716, 59760, 63592, 8191, 63765, 58530, 44667, 13294, 10001, 55586,
	161	47887, 18738, 9509, 40896, 42506, 52580, 4171, 325, 12329, 98};
	162
	163	/* Shut up complaints about differing pointer types. They only differ
	164	in the const attribute, but there isn't any easy way to do this
	165	*/
	166	#define X (LITTLENUM_TYPE *)
	167
	168	const FLONUM_TYPE flonum_negative_powers_of_ten[] =
	169	{
	170	{X zero, X zero, X zero, 0, '+'},
	171	{X minus_1, X minus_1 + 19, X minus_1 + 19, -20, '+'},
	172	{X minus_2, X minus_2 + 19, X minus_2 + 19, -20, '+'},
	173	{X minus_3, X minus_3 + 19, X minus_3 + 19, -20, '+'},
	174	{X minus_4, X minus_4 + 18, X minus_4 + 18, -20, '+'},
	175	{X minus_5, X minus_5 + 16, X minus_5 + 16, -20, '+'},
	176	{X minus_6, X minus_6 + 13, X minus_6 + 13, -20, '+'},
	177	{X minus_7, X minus_7 + 6, X minus_7 + 6, -20, '+'},
	178	{X minus_8, X minus_8 + 13, X minus_8 + 13, -40, '+'},
	179	{X minus_9, X minus_9 + 26, X minus_9 + 26, -80, '+'},
	180	{X minus_10, X minus_10 + 29, X minus_10 + 29, -136, '+'},
	181	{X minus_11, X minus_11 + 29, X minus_11 + 29, -242, '+'},
	182	{X minus_12, X minus_12 + 29, X minus_12 + 29, -455, '+'},
	183	{X minus_13, X minus_13 + 29, X minus_13 + 29, -880, '+'},
	184	};
	185
	186	const FLONUM_TYPE flonum_positive_powers_of_ten[] =
	187	{
	188	{X zero, X zero, X zero, 0, '+'},
	189	{X plus_1, X plus_1 + 0, X plus_1 + 0, 0, '+'},
	190	{X plus_2, X plus_2 + 0, X plus_2 + 0, 0, '+'},
	191	{X plus_3, X plus_3 + 0, X plus_3 + 0, 0, '+'},
	192	{X plus_4, X plus_4 + 1, X plus_4 + 1, 0, '+'},
	193	{X plus_5, X plus_5 + 2, X plus_5 + 2, 1, '+'},
	194	{X plus_6, X plus_6 + 4, X plus_6 + 4, 2, '+'},
	195	{X plus_7, X plus_7 + 9, X plus_7 + 9, 4, '+'},
	196	{X plus_8, X plus_8 + 18, X plus_8 + 18, 8, '+'},
	197	{X plus_9, X plus_9 + 29, X plus_9 + 29, 24, '+'},
	198	{X plus_10, X plus_10 + 29, X plus_10 + 29, 77, '+'},
	199	{X plus_11, X plus_11 + 29, X plus_11 + 29, 183, '+'},
	200	{X plus_12, X plus_12 + 29, X plus_12 + 29, 396, '+'},
	201	{X plus_13, X plus_13 + 29, X plus_13 + 29, 821, '+'},
	202	};
	203
	204	#ifdef VMS
	205	void dummy1 () { }
	206	#endif
	207	/* end of flonum_const.c */