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Commit	Line	Data
	1	/****************************************************************
	2
	3	The author of this software is David M. Gay.
	4
	5	Copyright (C) 1998 by Lucent Technologies
	6	All Rights Reserved
	7
	8	Permission to use, copy, modify, and distribute this software and
	9	its documentation for any purpose and without fee is hereby
	10	granted, provided that the above copyright notice appear in all
	11	copies and that both that the copyright notice and this
	12	permission notice and warranty disclaimer appear in supporting
	13	documentation, and that the name of Lucent or any of its entities
	14	not be used in advertising or publicity pertaining to
	15	distribution of the software without specific, written prior
	16	permission.
	17
	18	LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
	19	INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
	20	IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
	21	SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	22	WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
	23	IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
	24	ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
	25	THIS SOFTWARE.
	26
	27	****************************************************************/
	28
	29	/* Please send bug reports to
	30	David M. Gay
	31	Bell Laboratories, Room 2C-463
	32	600 Mountain Avenue
	33	Murray Hill, NJ 07974-0636
	34	U.S.A.
	35	dmg@bell-labs.com
	36	*/
	37
	38	#ifndef GDTOA_H_INCLUDED
	39	#define GDTOA_H_INCLUDED
	40
	41	#include "arith.h"
	42
	43	#ifndef Long
	44	#define Long long
	45	#endif
	46	#ifndef ULong
	47	typedef unsigned Long ULong;
	48	#endif
	49	#ifndef UShort
	50	typedef unsigned short UShort;
	51	#endif
	52
	53	#ifndef ANSI
	54	#ifdef KR_headers
	55	#define ANSI(x) ()
	56	#define Void /nothing/
	57	#else
	58	#define ANSI(x) x
	59	#define Void void
	60	#endif
	61	#endif /* ANSI */
	62
	63	#ifndef CONST
	64	#ifdef KR_headers
	65	#define CONST /* blank */
	66	#else
	67	#define CONST const
	68	#endif
	69	#endif /* CONST */
	70
	71	enum { /* return values from strtodg */
	72	STRTOG_Zero = 0,
	73	STRTOG_Normal = 1,
	74	STRTOG_Denormal = 2,
	75	STRTOG_Infinite = 3,
	76	STRTOG_NaN = 4,
	77	STRTOG_NaNbits = 5,
	78	STRTOG_NoNumber = 6,
	79	STRTOG_Retmask = 7,
	80
	81	/* The following may be or-ed into one of the above values. */
	82
	83	STRTOG_Neg = 0x08,
	84	STRTOG_Inexlo = 0x10,
	85	STRTOG_Inexhi = 0x20,
	86	STRTOG_Inexact = 0x30,
	87	STRTOG_Underflow= 0x40,
	88	STRTOG_Overflow = 0x80
	89	};
	90
	91	typedef struct
	92	FPI {
	93	int nbits;
	94	int emin;
	95	int emax;
	96	int rounding;
	97	int sudden_underflow;
	98	} FPI;
	99
	100	enum { /* FPI.rounding values: same as FLT_ROUNDS */
	101	FPI_Round_zero = 0,
	102	FPI_Round_near = 1,
	103	FPI_Round_up = 2,
	104	FPI_Round_down = 3
	105	};
	106
	107	#ifdef __cplusplus
	108	extern "C" {
	109	#endif
	110
	111	extern char* dtoa ANSI((double d, int mode, int ndigits, int *decpt,
	112	int sign, char *rve));
	113	extern char* gdtoa ANSI((FPI fpi, int be, ULong bits, int *kindp,
	114	int mode, int ndigits, int decpt, char *rve));
	115	extern void freedtoa ANSI((char*));
	116	extern float strtof ANSI((CONST char , char *));
	117	extern double strtod ANSI((CONST char , char *));
	118	extern int strtodg ANSI((CONST char, char, FPI, Long, ULong));
	119
	120	extern char* g_ddfmt ANSI((char, double, int, unsigned));
	121	extern char* g_dfmt ANSI((char, double, int, unsigned));
	122	extern char* g_ffmt ANSI((char, float, int, unsigned));
	123	extern char* g_Qfmt ANSI((char, void, int, unsigned));
	124	extern char* g_xfmt ANSI((char, void, int, unsigned));
	125	extern char* g_xLfmt ANSI((char, void, int, unsigned));
	126
	127	extern int strtoId ANSI((CONST char, char, double, double*));
	128	extern int strtoIdd ANSI((CONST char, char, double, double*));
	129	extern int strtoIf ANSI((CONST char, char, float, float*));
	130	extern int strtoIQ ANSI((CONST char, char, void, void*));
	131	extern int strtoIx ANSI((CONST char, char, void, void*));
	132	extern int strtoIxL ANSI((CONST char, char, void, void*));
	133	extern int strtord ANSI((CONST char, char, int, double));
	134	extern int strtordd ANSI((CONST char, char, int, double));
	135	extern int strtorf ANSI((CONST char, char, int, float));
	136	extern int strtorQ ANSI((CONST char, char, int, void));
	137	extern int strtorx ANSI((CONST char, char, int, void));
	138	extern int strtorxL ANSI((CONST char, char, int, void));
	139	#if 1
	140	extern int strtodI ANSI((CONST char, char, double));
	141	extern int strtopd ANSI((CONST char, char, double));
	142	extern int strtopdd ANSI((CONST char, char, double));
	143	extern int strtopf ANSI((CONST char, char, float));
	144	extern int strtopQ ANSI((CONST char, char, void));
	145	extern int strtopx ANSI((CONST char, char, void));
	146	extern int strtopxL ANSI((CONST char, char, void));
	147	#else
	148	#define strtopd(s,se,x) strtord(s,se,1,x)
	149	#define strtopdd(s,se,x) strtordd(s,se,1,x)
	150	#define strtopf(s,se,x) strtorf(s,se,1,x)
	151	#define strtopQ(s,se,x) strtorQ(s,se,1,x)
	152	#define strtopx(s,se,x) strtorx(s,se,1,x)
	153	#define strtopxL(s,se,x) strtorxL(s,se,1,x)
	154	#endif
	155
	156	#ifdef __cplusplus
	157	}
	158	#endif
	159	#endif /* GDTOA_H_INCLUDED */