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Libc-763.11.tar.gz
[apple/libc.git] / gdtoa / FreeBSD / gdtoa.h
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9385eb3d
A		 1/****************************************************************
2
3The author of this software is David M. Gay.
4
5Copyright (C) 1998 by Lucent Technologies
6All Rights Reserved
7
8Permission to use, copy, modify, and distribute this software and
9its documentation for any purpose and without fee is hereby
10granted, provided that the above copyright notice appear in all
11copies and that both that the copyright notice and this
12permission notice and warranty disclaimer appear in supporting
13documentation, and that the name of Lucent or any of its entities
14not be used in advertising or publicity pertaining to
15distribution of the software without specific, written prior
16permission.
17
18LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
19INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
20IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
21SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
22WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
23IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
24ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
25THIS SOFTWARE.
26
27****************************************************************/
28
3d9156a7
A		 29/* Please send bug reports to David M. Gay (dmg at acm dot org,
30 * with " at " changed at "@" and " dot " changed to "."). */
9385eb3d
A		 31
32#ifndef GDTOA_H_INCLUDED
33#define GDTOA_H_INCLUDED
34
35#include "arith.h"
34e8f829 36#include <stddef.h> /* for size_t */
9385eb3d
A		 37
38#ifndef Long
39#define Long long
40#endif
41#ifndef ULong
42typedef unsigned Long ULong;
43#endif
44#ifndef UShort
45typedef unsigned short UShort;
46#endif
47
48#ifndef ANSI
49#ifdef KR_headers
50#define ANSI(x) ()
51#define Void /*nothing*/
52#else
53#define ANSI(x) x
54#define Void void
55#endif
56#endif /* ANSI */
57
58#ifndef CONST
59#ifdef KR_headers
60#define CONST /* blank */
61#else
62#define CONST const
63#endif
64#endif /* CONST */
65
66 enum { /* return values from strtodg */
67 STRTOG_Zero = 0,
68 STRTOG_Normal = 1,
69 STRTOG_Denormal = 2,
70 STRTOG_Infinite = 3,
71 STRTOG_NaN = 4,
72 STRTOG_NaNbits = 5,
73 STRTOG_NoNumber = 6,
74 STRTOG_Retmask = 7,
75
76 /* The following may be or-ed into one of the above values. */
77
34e8f829
A		 78 STRTOG_Neg = 0x08, /* does not affect STRTOG_Inexlo or STRTOG_Inexhi */
79 STRTOG_Inexlo = 0x10, /* returned result rounded toward zero */
80 STRTOG_Inexhi = 0x20, /* returned result rounded away from zero */
9385eb3d
A		 81 STRTOG_Inexact = 0x30,
82 STRTOG_Underflow= 0x40,
83 STRTOG_Overflow = 0x80
84 };
85
86 typedef struct
87FPI {
88 int nbits;
89 int emin;
90 int emax;
91 int rounding;
92 int sudden_underflow;
93 } FPI;
94
95enum { /* FPI.rounding values: same as FLT_ROUNDS */
96 FPI_Round_zero = 0,
97 FPI_Round_near = 1,
98 FPI_Round_up = 2,
99 FPI_Round_down = 3
100 };
101
102#ifdef __cplusplus
103extern "C" {
104#endif
105
106extern char* dtoa ANSI((double d, int mode, int ndigits, int *decpt,
107 int *sign, char **rve));
108extern char* gdtoa ANSI((FPI *fpi, int be, ULong *bits, int *kindp,
109 int mode, int ndigits, int *decpt, char **rve));
110extern void freedtoa ANSI((char*));
111extern float strtof ANSI((CONST char *, char **));
112extern double strtod ANSI((CONST char *, char **));
113extern int strtodg ANSI((CONST char*, char**, FPI*, Long*, ULong*));
114
34e8f829
A		 115extern char* g_ddfmt ANSI((char*, double*, int, size_t));
116extern char* g_dfmt ANSI((char*, double*, int, size_t));
117extern char* g_ffmt ANSI((char*, float*, int, size_t));
118extern char* g_Qfmt ANSI((char*, void*, int, size_t));
119extern char* g_xfmt ANSI((char*, void*, int, size_t));
120extern char* g_xLfmt ANSI((char*, void*, int, size_t));
9385eb3d
A		 121
122extern int strtoId ANSI((CONST char*, char**, double*, double*));
123extern int strtoIdd ANSI((CONST char*, char**, double*, double*));
124extern int strtoIf ANSI((CONST char*, char**, float*, float*));
125extern int strtoIQ ANSI((CONST char*, char**, void*, void*));
126extern int strtoIx ANSI((CONST char*, char**, void*, void*));
127extern int strtoIxL ANSI((CONST char*, char**, void*, void*));
128extern int strtord ANSI((CONST char*, char**, int, double*));
129extern int strtordd ANSI((CONST char*, char**, int, double*));
130extern int strtorf ANSI((CONST char*, char**, int, float*));
131extern int strtorQ ANSI((CONST char*, char**, int, void*));
132extern int strtorx ANSI((CONST char*, char**, int, void*));
133extern int strtorxL ANSI((CONST char*, char**, int, void*));
134#if 1
135extern int strtodI ANSI((CONST char*, char**, double*));
136extern int strtopd ANSI((CONST char*, char**, double*));
137extern int strtopdd ANSI((CONST char*, char**, double*));
138extern int strtopf ANSI((CONST char*, char**, float*));
139extern int strtopQ ANSI((CONST char*, char**, void*));
140extern int strtopx ANSI((CONST char*, char**, void*));
141extern int strtopxL ANSI((CONST char*, char**, void*));
142#else
143#define strtopd(s,se,x) strtord(s,se,1,x)
144#define strtopdd(s,se,x) strtordd(s,se,1,x)
145#define strtopf(s,se,x) strtorf(s,se,1,x)
146#define strtopQ(s,se,x) strtorQ(s,se,1,x)
147#define strtopx(s,se,x) strtorx(s,se,1,x)
148#define strtopxL(s,se,x) strtorxL(s,se,1,x)
149#endif
150
151#ifdef __cplusplus
152}
153#endif
154#endif /* GDTOA_H_INCLUDED */
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