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

/* 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
Commit	Line	Data
252b5132 RH	1	/* flonum_const.c - Useful Flonum constants
	2	Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 1996
	3	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 2, 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, 59 Temple Place - Suite 330, Boston, MA
	20	02111-1307, 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
252b5132 RH	28	const int table_size_of_flonum_powers_of_ten = 13;
	29
	30	static const LITTLENUM_TYPE zero[] =
	31	{1};
	32
	33	/***********************************************************************\
	34	* *
	35	* Warning: the low order bits may be WRONG here. *
	36	* I took this from a suspect bc(1) script. *
	37	* "minus_X"[] is supposed to be 10^(2^-X) expressed in base 2^16. *
	38	* The radix point is just AFTER the highest element of the [] *
	39	* *
	40	* Because bc rounds DOWN for printing (I think), the lowest *
	41	* significance littlenums should probably have 1 added to them. *
	42	* *
	43	\***********************************************************************/
	44
	45	/* JF: If this equals 6553/(2^16)+39321/(2^32)+... it approaches .1 */
	46	static const LITTLENUM_TYPE minus_1[] =
	47	{
	48	39322, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321,
	49	39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 6553};
	50	static const LITTLENUM_TYPE plus_1[] =
	51	{10};
	52
	53	/* JF: If this equals 655/(2^16) + 23592/(2^32) + ... it approaches .01 */
	54	static const LITTLENUM_TYPE minus_2[] =
	55	{
	56	10486, 36700, 62914, 23592, 49807, 10485, 36700, 62914, 23592, 49807,
	57	10485, 36700, 62914, 23592, 49807, 10485, 36700, 62914, 23592, 655};
	58	static const LITTLENUM_TYPE plus_2[] =
	59	{100};
	60
	61	/* This approaches .0001 */
	62	static const LITTLENUM_TYPE minus_3[] =
	63	{
	64	52534, 20027, 37329, 65116, 64067, 60397, 14784, 18979, 33659, 19503,
	65	2726, 9542, 629, 2202, 40475, 10590, 4299, 47815, 36280, 6};
	66	static const LITTLENUM_TYPE plus_3[] =
	67	{10000};
	68
	69	/* JF: this approaches 1e-8 */
	70	static const LITTLENUM_TYPE minus_4[] =
	71	{
	72	22517, 49501, 54293, 19424, 60699, 6716, 24348, 22618, 23904, 21327,
	73	3919, 44703, 19149, 28803, 48959, 6259, 50273, 62237, 42};
	74	/* This equals 1525 * 2^16 + 57600 */
	75	static const LITTLENUM_TYPE plus_4[] =
	76	{57600, 1525};
	77
	78	/* This approaches 1e-16 */
	79	static const LITTLENUM_TYPE minus_5[] =
	80	{
	81	22199, 45957, 17005, 26266, 10526, 16260, 55017, 35680, 40443, 19789,
	82	17356, 30195, 55905, 28426, 63010, 44197, 1844};
	83	static const LITTLENUM_TYPE plus_5[] =
	84	{28609, 34546, 35};
	85
	86	static const LITTLENUM_TYPE minus_6[] =
	87	{
	88	30926, 26518, 13110, 43018, 54982, 48258, 24658, 15209, 63366, 11929,
	89	20069, 43857, 60487, 51};
	90	static const LITTLENUM_TYPE plus_6[] =
	91	{61313, 34220, 16731, 11629, 1262};
92
93	static const LITTLENUM_TYPE minus_7[] =
94	{
95	29819, 14733, 21490, 40602, 31315, 65186, 2695};
96	static const LITTLENUM_TYPE plus_7[] =
97	{
98	7937, 49002, 60772, 28216, 38893, 55975, 63988, 59711, 20227, 24};
99
100	static const LITTLENUM_TYPE minus_8[] =
101	{
102	27579, 64807, 12543, 794, 13907, 61297, 12013, 64360, 15961, 20566,
103	24178, 15922, 59427, 110};
104	static const LITTLENUM_TYPE plus_8[] =
105	{
106	15873, 11925, 39177, 991, 14589, 3861, 58415, 9076, 62956, 54223,
107	56328, 50180, 45274, 48333, 32537, 42547, 9731, 59679, 590};
108
109	static const LITTLENUM_TYPE minus_9[] =
110	{
111	11042, 8464, 58971, 63429, 6022, 63485, 5500, 53464, 47545, 50068,
112	56988, 22819, 49708, 54493, 9920, 47667, 40409, 35764, 10383, 54466,
113	32702, 17493, 32420, 34382, 22750, 20681, 12300};
114	static const LITTLENUM_TYPE plus_9[] =
115	{
116	20678, 27614, 28272, 53066, 55311, 54677, 29038, 9906, 26288, 44486,
117	13860, 7445, 54106, 15426, 21518, 25599, 29632, 52309, 61207, 26105,
118	10482, 21948, 51191, 32988, 60892, 62574, 61390, 24540, 21495, 5};
119
120	static const LITTLENUM_TYPE minus_10[] =
121	{
122	6214, 48771, 23471, 30163, 31763, 38013, 57001, 11770, 18263, 36366,
123	20742, 45086, 56969, 53231, 37856, 55814, 38057, 15692, 46761, 8713,
124	6102, 20083, 8269, 11839, 11571, 50963, 15649, 11698, 40675, 2308};
125	static const LITTLENUM_TYPE plus_10[] =
126	{
127	63839, 36576, 45712, 44516, 37803, 29482, 4966, 30556, 37961, 23310,
128	27070, 44972, 29507, 48257, 45209, 7494, 17831, 38728, 41577, 29443,
129	36016, 7955, 35339, 35479, 36011, 14553, 49618, 5588, 25396, 28};
130
131	static const LITTLENUM_TYPE minus_11[] =
132	{
133	16663, 56882, 61983, 7804, 36555, 32060, 34502, 1000, 14356, 21681,
134	6605, 34767, 51411, 59048, 53614, 39850, 30079, 6496, 6846, 26841,
135	40778, 19578, 59899, 44085, 54016, 24259, 11232, 21229, 21313, 81};
136	static const LITTLENUM_TYPE plus_11[] =
137	{
138	92, 9054, 62707, 17993, 7821, 56838, 13992, 21321, 29637, 48426,
139	42982, 38668, 49574, 28820, 18200, 18927, 53979, 16219, 37484, 2516,
140	44642, 14665, 11587, 41926, 13556, 23956, 54320, 6661, 55766, 805};
141
142	static const LITTLENUM_TYPE minus_12[] =
143	{
144	33202, 45969, 58804, 56734, 16482, 26007, 44984, 49334, 31007, 32944,
145	44517, 63329, 47131, 15291, 59465, 2264, 23218, 11829, 59771, 38798,
146	31051, 28748, 23129, 40541, 41562, 35108, 50620, 59014, 51817, 6613};
147	static const LITTLENUM_TYPE plus_12[] =
148	{
149	10098, 37922, 58070, 7432, 10470, 63465, 23718, 62190, 47420, 7009,
150	38443, 4587, 45596, 38472, 52129, 52779, 29012, 13559, 48688, 31678,
151	41753, 58662, 10668, 36067, 29906, 56906, 21461, 46556, 59571, 9};
152
153	static const LITTLENUM_TYPE minus_13[] =
154	{
155	45309, 27592, 37144, 34637, 34328, 41671, 34620, 24135, 53401, 22112,
156	21576, 45147, 39310, 44051, 48572, 3676, 46544, 59768, 33350, 2323,
157	49524, 61568, 3903, 36487, 36356, 30903, 14975, 9035, 29715, 667};
158	static const LITTLENUM_TYPE plus_13[] =
159	{
160	18788, 16960, 6318, 45685, 55400, 46230, 35794, 25588, 7253, 55541,
161	49716, 59760, 63592, 8191, 63765, 58530, 44667, 13294, 10001, 55586,
162	47887, 18738, 9509, 40896, 42506, 52580, 4171, 325, 12329, 98};
163
164	/* Shut up complaints about differing pointer types. They only differ
165	in the const attribute, but there isn't any easy way to do this
166	*/
167	#define X (LITTLENUM_TYPE *)
168
169	const FLONUM_TYPE flonum_negative_powers_of_ten[] =
170	{
171	{X zero, X zero, X zero, 0, '+'},
172	{X minus_1, X minus_1 + 19, X minus_1 + 19, -20, '+'},
173	{X minus_2, X minus_2 + 19, X minus_2 + 19, -20, '+'},
174	{X minus_3, X minus_3 + 19, X minus_3 + 19, -20, '+'},
175	{X minus_4, X minus_4 + 18, X minus_4 + 18, -20, '+'},
176	{X minus_5, X minus_5 + 16, X minus_5 + 16, -20, '+'},
177	{X minus_6, X minus_6 + 13, X minus_6 + 13, -20, '+'},
178	{X minus_7, X minus_7 + 6, X minus_7 + 6, -20, '+'},
179	{X minus_8, X minus_8 + 13, X minus_8 + 13, -40, '+'},
180	{X minus_9, X minus_9 + 26, X minus_9 + 26, -80, '+'},
181	{X minus_10, X minus_10 + 29, X minus_10 + 29, -136, '+'},
182	{X minus_11, X minus_11 + 29, X minus_11 + 29, -242, '+'},
183	{X minus_12, X minus_12 + 29, X minus_12 + 29, -455, '+'},
184	{X minus_13, X minus_13 + 29, X minus_13 + 29, -880, '+'},
185	};
186
187	const FLONUM_TYPE flonum_positive_powers_of_ten[] =
188	{
189	{X zero, X zero, X zero, 0, '+'},
190	{X plus_1, X plus_1 + 0, X plus_1 + 0, 0, '+'},
191	{X plus_2, X plus_2 + 0, X plus_2 + 0, 0, '+'},
192	{X plus_3, X plus_3 + 0, X plus_3 + 0, 0, '+'},
193	{X plus_4, X plus_4 + 1, X plus_4 + 1, 0, '+'},
194	{X plus_5, X plus_5 + 2, X plus_5 + 2, 1, '+'},
195	{X plus_6, X plus_6 + 4, X plus_6 + 4, 2, '+'},
196	{X plus_7, X plus_7 + 9, X plus_7 + 9, 4, '+'},
197	{X plus_8, X plus_8 + 18, X plus_8 + 18, 8, '+'},
198	{X plus_9, X plus_9 + 29, X plus_9 + 29, 24, '+'},
199	{X plus_10, X plus_10 + 29, X plus_10 + 29, 77, '+'},
200	{X plus_11, X plus_11 + 29, X plus_11 + 29, 183, '+'},
201	{X plus_12, X plus_12 + 29, X plus_12 + 29, 396, '+'},
202	{X plus_13, X plus_13 + 29, X plus_13 + 29, 821, '+'},
203	};
204
205	#ifdef VMS
3dd5103b NC	206	void
	207	dummy1 ()
	208	{
	209	}
252b5132	210	#endif