1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/****************************************************************
The author of this software is David M. Gay.
Copyright (C) 1998 by Lucent Technologies
All Rights Reserved
Permission to use, copy, modify, and distribute this software and
its documentation for any purpose and without fee is hereby
granted, provided that the above copyright notice appear in all
copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of Lucent or any of its entities
not be used in advertising or publicity pertaining to
distribution of the software without specific, written prior
permission.
LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
THIS SOFTWARE.
****************************************************************/
/* Please send bug reports to David M. Gay (dmg at acm dot org,
* with " at " changed at "@" and " dot " changed to "."). */
#ifndef GDTOA_H_INCLUDED
#define GDTOA_H_INCLUDED
#include <stddef.h> /* for size_t */
#include <reent.h>
#define PROTO_NORMAL(x)
#define __BEGIN_HIDDEN_DECLS
#define __END_HIDDEN_DECLS
#define DEF_STRONG(x)
#ifndef ULong
#define ULong __ULong
#endif
#ifndef ANSI
#ifdef KR_headers
#define ANSI(x) ()
#define Void /*nothing*/
#else
#define ANSI(x) x
#define Void void
#endif
#endif /* ANSI */
#ifndef CONST
#ifdef KR_headers
#define CONST /* blank */
#else
#define CONST const
#endif
#endif /* CONST */
enum { /* return values from strtodg */
STRTOG_Zero = 0x000,
STRTOG_Normal = 0x001,
STRTOG_Denormal = 0x002,
STRTOG_Infinite = 0x003,
STRTOG_NaN = 0x004,
STRTOG_NaNbits = 0x005,
STRTOG_NoNumber = 0x006,
STRTOG_NoMemory = 0x007,
STRTOG_Retmask = 0x00f,
/* The following may be or-ed into one of the above values. */
STRTOG_Inexlo = 0x010, /* returned result rounded toward zero */
STRTOG_Inexhi = 0x020, /* returned result rounded away from zero */
STRTOG_Inexact = 0x030,
STRTOG_Underflow= 0x040,
STRTOG_Overflow = 0x080,
STRTOG_Neg = 0x100 /* does not affect STRTOG_Inexlo or STRTOG_Inexhi */
};
typedef struct
FPI {
int nbits;
int emin;
int emax;
int rounding;
int sudden_underflow;
} FPI;
enum { /* FPI.rounding values: same as FLT_ROUNDS */
FPI_Round_zero = 0,
FPI_Round_near = 1,
FPI_Round_up = 2,
FPI_Round_down = 3
};
typedef unsigned short __UShort;
typedef struct _Bigint Bigint;
#ifdef __cplusplus
extern "C" {
#endif
extern char* __dtoa ANSI((struct _reent *ptr,
double d, int mode, int ndigits, int *decpt,
int *sign, char **rve));
extern char* __gdtoa ANSI((struct _reent *ptr,
FPI *fpi, int be, ULong *bits, int *kindp,
int mode, int ndigits, int *decpt, char **rve));
extern void __freedtoa ANSI((struct _reent *, char*));
extern float strtof ANSI((CONST char *, char **));
extern double strtod ANSI((CONST char *, char **));
extern int __strtodg ANSI((CONST char*, char**, FPI*, Long*, ULong*));
char *__hdtoa(double, const char *, int, int *, int *, char **);
char *__hldtoa(long double, const char *, int, int *, int *, char **);
char *__ldtoa(struct _reent *ptr,
long double *, int, int, int *, int *, char **);
PROTO_NORMAL(__dtoa);
PROTO_NORMAL(__gdtoa);
PROTO_NORMAL(__freedtoa);
PROTO_NORMAL(__hdtoa);
PROTO_NORMAL(__hldtoa);
PROTO_NORMAL(__ldtoa);
__BEGIN_HIDDEN_DECLS
extern char* __g_ddfmt ANSI((char*, double*, int, size_t));
extern char* __g_dfmt ANSI((char*, double*, int, size_t));
extern char* __g_ffmt ANSI((char*, float*, int, size_t));
extern char* __g_Qfmt ANSI((char*, void*, int, size_t));
extern char* __g_xfmt ANSI((char*, void*, int, size_t));
extern char* __g_xLfmt ANSI((char*, void*, int, size_t));
extern int __strtoId ANSI((CONST char*, char**, double*, double*));
extern int __strtoIdd ANSI((CONST char*, char**, double*, double*));
extern int __strtoIf ANSI((CONST char*, char**, float*, float*));
extern int __strtoIQ ANSI((CONST char*, char**, void*, void*));
extern int __strtoIx ANSI((CONST char*, char**, void*, void*));
extern int __strtoIxL ANSI((CONST char*, char**, void*, void*));
extern int __strtord ANSI((CONST char*, char**, int, double*));
extern int __strtordd ANSI((CONST char*, char**, int, double*));
extern int __strtorf ANSI((CONST char*, char**, int, float*));
extern int __strtorQ ANSI((CONST char*, char**, int, void*));
extern int __strtorx ANSI((CONST char*, char**, int, void*));
extern int __strtorxL ANSI((CONST char*, char**, int, void*));
#if 1
extern int __strtodI ANSI((CONST char*, char**, double*));
extern int __strtopd ANSI((CONST char*, char**, double*));
extern int __strtopdd ANSI((CONST char*, char**, double*));
extern int __strtopf ANSI((CONST char*, char**, float*));
extern int __strtopQ ANSI((CONST char*, char**, void*));
extern int __strtopx ANSI((CONST char*, char**, void*));
extern int __strtopxL ANSI((CONST char*, char**, void*));
#else
#define __strtopd(s,se,x) strtord(s,se,1,x)
#define __strtopdd(s,se,x) strtordd(s,se,1,x)
#define __strtopf(s,se,x) strtorf(s,se,1,x)
#define __strtopQ(s,se,x) strtorQ(s,se,1,x)
#define __strtopx(s,se,x) strtorx(s,se,1,x)
#define __strtopxL(s,se,x) strtorxL(s,se,1,x)
#endif
__END_HIDDEN_DECLS
#ifdef __cplusplus
}
#endif
#endif /* GDTOA_H_INCLUDED */
|
