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

/* flonum_const.c - Useful Flonum constants
   Copyright (C) 1987, 1990, 1991 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, 675 Mass Ave, Cambridge, MA 02139, USA.  */

/* static const char rcsid[] = "$Id$"; */

#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 = 11;

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 [] = {
 39321, 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 [] = {
 10485, 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 [] = {
 52533, 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 [] = {
 22516, 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 [] = {
 45849, 19069, 18068, 36324, 37948, 48745, 10873, 64360, 15961, 20566,
 24178, 15922, 59427,   110                                           };
static const LITTLENUM_TYPE plus_8 [] = {
 15873, 11925, 39177,   991, 14589, 19735, 25347, 65086, 53853,  938,
 37209, 47086, 33626, 23253, 32586, 42547,  9731, 59679,  590         };

static const LITTLENUM_TYPE minus_9 [] = {
 63601, 55221, 43562, 33661, 29067, 28203, 65417, 64352, 22462, 41110,
 12570, 28635, 23199, 50572, 28471, 27074, 46375, 64028, 13106, 63700,
 32698, 17493, 32420, 34382, 22750, 20681, 12300                      };
static const LITTLENUM_TYPE plus_9 [] = {
 63564, 61556, 29377, 54467, 18621, 28141, 36415, 61241, 47119, 30026,
 19740, 46002, 13541, 61413, 30480, 38664, 32205, 50593, 51112, 48904,
 48263, 43814,   286, 30826, 52813, 62575, 61390, 24540, 21495,     5 };

static const LITTLENUM_TYPE minus_10 [] = {
 50313, 34681,  1464, 25889, 19575, 41125, 17635,  4598, 49708, 13427,
 17287, 56115, 53783, 38255, 32415, 17778, 31596,  7557, 20951, 18477,
 40353,  1178, 44405, 11837, 11571, 50963, 15649, 11698, 40675,  2308,  };
static const LITTLENUM_TYPE plus_10[] = {
18520, 53764, 54535, 61910, 61962, 59843, 46270, 58053, 12473, 63785,
 2449, 43230, 50044, 47595, 10403, 35766, 32607,  1124, 24966, 35044,
25524, 23631, 18826, 14518, 58448, 14562, 49618,  5588, 25396,    28 };

static const LITTLENUM_TYPE minus_11 [] = {
  6223, 59909, 62437, 59960, 14652, 45336, 48800,  7647, 51962, 37982,
 60436, 58176, 26767,  8440,  9831, 48556, 20994, 14148,  6757, 17221,
 60624, 46129, 53210, 44085, 54016, 24259, 11232, 21229, 21313,    81,  };
static const LITTLENUM_TYPE plus_11 [] = {
 36159,  2055, 33615, 61362, 23581, 62454,  9748, 15275, 39284, 58636,
 16269, 42793, 47240, 45774, 50861, 48400,  9413, 40281,  4030,  9572,
  7984, 33038, 59522, 19450, 40593, 24486, 54320,  6661, 55766,   805,  };

/* 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, '+'},
};

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, '+'},
};

#ifdef VMS
dummy1()
{
}
#endif
/* end: flonum_const.c */
Commit	Line	Data
fecd2382 RP	1	/* flonum_const.c - Useful Flonum constants
	2	Copyright (C) 1987, 1990, 1991 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
6026cd06	8	the Free Software Foundation; either version 2, or (at your option)
fecd2382 RP	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, 675 Mass Ave, Cambridge, MA 02139, USA. */
	19
	20	/* static const char rcsid[] = "$Id$"; */
	21
	22	#include "flonum.h"
	23	/* JF: I added the last entry to this table, and I'm not
	24	sure if its right or not. Could go either way. I wish
	25	I really understood this stuff. */
	26
	27
	28	const int table_size_of_flonum_powers_of_ten = 11;
	29
	30	static const LITTLENUM_TYPE zero[] = { 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	39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321,
	47	39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 39321, 6553 };
	48	static const LITTLENUM_TYPE plus_1 [] = { 10 };
	49
	50	/* JF: If this equals 655/(2^16) + 23592/(2^32) + ... it approaches .01 */
	51	static const LITTLENUM_TYPE minus_2 [] = {
	52	10485, 36700, 62914, 23592, 49807, 10485, 36700, 62914, 23592, 49807,
	53	10485, 36700, 62914, 23592, 49807, 10485, 36700, 62914, 23592, 655 };
	54	static const LITTLENUM_TYPE plus_2 [] = { 100 };
	55
	56	/* This approaches .0001 */
	57	static const LITTLENUM_TYPE minus_3 [] = {
	58	52533, 20027, 37329, 65116, 64067, 60397, 14784, 18979, 33659, 19503,
	59	2726, 9542, 629, 2202, 40475, 10590, 4299, 47815, 36280, 6 };
	60	static const LITTLENUM_TYPE plus_3 [] = { 10000 };
	61
	62	/* JF: this approaches 1e-8 */
	63	static const LITTLENUM_TYPE minus_4 [] = {
	64	22516, 49501, 54293, 19424, 60699, 6716, 24348, 22618, 23904, 21327,
	65	3919, 44703, 19149, 28803, 48959, 6259, 50273, 62237, 42 };
	66	/* This equals 1525 * 2^16 + 57600 */
	67	static const LITTLENUM_TYPE plus_4 [] = { 57600, 1525 };
	68
	69	/* This approaches 1e-16 */
	70	static const LITTLENUM_TYPE minus_5 [] = {
	71	22199, 45957, 17005, 26266, 10526, 16260, 55017, 35680, 40443, 19789,
	72	17356, 30195, 55905, 28426, 63010, 44197, 1844 };
73	static const LITTLENUM_TYPE plus_5 [] = { 28609, 34546, 35 };
74
75	static const LITTLENUM_TYPE minus_6 [] = {
76	30926, 26518, 13110, 43018, 54982, 48258, 24658, 15209, 63366, 11929,
77	20069, 43857, 60487, 51 };
78	static const LITTLENUM_TYPE plus_6 [] = { 61313, 34220, 16731, 11629, 1262 };
79
80	static const LITTLENUM_TYPE minus_7 [] = {
81	29819, 14733, 21490, 40602, 31315, 65186, 2695 };
82	static const LITTLENUM_TYPE plus_7 [] = {
83	7937, 49002, 60772, 28216, 38893, 55975, 63988, 59711, 20227, 24 };
84
85	static const LITTLENUM_TYPE minus_8 [] = {
86	45849, 19069, 18068, 36324, 37948, 48745, 10873, 64360, 15961, 20566,
87	24178, 15922, 59427, 110 };
88	static const LITTLENUM_TYPE plus_8 [] = {
89	15873, 11925, 39177, 991, 14589, 19735, 25347, 65086, 53853, 938,
90	37209, 47086, 33626, 23253, 32586, 42547, 9731, 59679, 590 };
91
92	static const LITTLENUM_TYPE minus_9 [] = {
93	63601, 55221, 43562, 33661, 29067, 28203, 65417, 64352, 22462, 41110,
94	12570, 28635, 23199, 50572, 28471, 27074, 46375, 64028, 13106, 63700,
95	32698, 17493, 32420, 34382, 22750, 20681, 12300 };
96	static const LITTLENUM_TYPE plus_9 [] = {
97	63564, 61556, 29377, 54467, 18621, 28141, 36415, 61241, 47119, 30026,
98	19740, 46002, 13541, 61413, 30480, 38664, 32205, 50593, 51112, 48904,
99	48263, 43814, 286, 30826, 52813, 62575, 61390, 24540, 21495, 5 };
100
101	static const LITTLENUM_TYPE minus_10 [] = {
102	50313, 34681, 1464, 25889, 19575, 41125, 17635, 4598, 49708, 13427,
103	17287, 56115, 53783, 38255, 32415, 17778, 31596, 7557, 20951, 18477,
104	40353, 1178, 44405, 11837, 11571, 50963, 15649, 11698, 40675, 2308, };
105	static const LITTLENUM_TYPE plus_10[] = {
106	18520, 53764, 54535, 61910, 61962, 59843, 46270, 58053, 12473, 63785,
107	2449, 43230, 50044, 47595, 10403, 35766, 32607, 1124, 24966, 35044,
108	25524, 23631, 18826, 14518, 58448, 14562, 49618, 5588, 25396, 28 };
109
110	static const LITTLENUM_TYPE minus_11 [] = {
111	6223, 59909, 62437, 59960, 14652, 45336, 48800, 7647, 51962, 37982,
112	60436, 58176, 26767, 8440, 9831, 48556, 20994, 14148, 6757, 17221,
113	60624, 46129, 53210, 44085, 54016, 24259, 11232, 21229, 21313, 81, };
114	static const LITTLENUM_TYPE plus_11 [] = {
115	36159, 2055, 33615, 61362, 23581, 62454, 9748, 15275, 39284, 58636,
116	16269, 42793, 47240, 45774, 50861, 48400, 9413, 40281, 4030, 9572,
117	7984, 33038, 59522, 19450, 40593, 24486, 54320, 6661, 55766, 805, };
118
119	/* Shut up complaints about differing pointer types. They only differ
120	in the const attribute, but there isn't any easy way to do this
121	*/
122	#define X (LITTLENUM_TYPE *)
123
124	const FLONUM_TYPE flonum_negative_powers_of_ten [] = {
125	{X zero, X zero, X zero, 0, '+'},
126	{X minus_1, X minus_1 +19, X minus_1 + 19, -20, '+'},
127	{X minus_2, X minus_2 +19, X minus_2 + 19, -20, '+'},
128	{X minus_3, X minus_3 +19, X minus_3 + 19, -20, '+'},
129	{X minus_4, X minus_4 +18, X minus_4 + 18, -20, '+'},
130	{X minus_5, X minus_5 +16, X minus_5 + 16, -20, '+'},
131	{X minus_6, X minus_6 +13, X minus_6 + 13, -20, '+'},
132	{X minus_7, X minus_7 + 6, X minus_7 + 6, -20, '+'},
133	{X minus_8, X minus_8 +13, X minus_8 + 13, -40, '+'},
134	{X minus_9, X minus_9 +26, X minus_9 + 26, -80, '+'},
135	{X minus_10, X minus_10+29, X minus_10 + 29,-136, '+'},
136	{X minus_11, X minus_11+29, X minus_11 + 29,-242, '+'},
137	};
138
139	const FLONUM_TYPE flonum_positive_powers_of_ten [] = {
140	{X zero, X zero, X zero, 0, '+'},
141	{X plus_1, X plus_1 + 0, X plus_1 + 0, 0, '+'},
142	{X plus_2, X plus_2 + 0, X plus_2 + 0, 0, '+'},
143	{X plus_3, X plus_3 + 0, X plus_3 + 0, 0, '+'},
144	{X plus_4, X plus_4 + 1, X plus_4 + 1, 0, '+'},
145	{X plus_5, X plus_5 + 2, X plus_5 + 2, 1, '+'},
146	{X plus_6, X plus_6 + 4, X plus_6 + 4, 2, '+'},
147	{X plus_7, X plus_7 + 9, X plus_7 + 9, 4, '+'},
148	{X plus_8, X plus_8 + 18, X plus_8 + 18, 8, '+'},
149	{X plus_9, X plus_9 + 29, X plus_9 + 29, 24, '+'},
150	{X plus_10, X plus_10 + 29, X plus_10 + 29, 77, '+'},
151	{X plus_11, X plus_11 + 29, X plus_11 + 29, 183, '+'},
152	};
153
154	#ifdef VMS
155	dummy1()
156	{
157	}
158	#endif
159	/* end: flonum_const.c */