Symaptic: os/ossrv/genericopenlibs/openenvcore/libc/inc/gdtoa.h@260cb5ec6c19

     1 /****************************************************************

     3 The author of this software is David M. Gay.

     5 Copyright (C) 1998 by Lucent Technologies

     6 All Rights Reserved

     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.

    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.

    27 ****************************************************************/

    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  */

    38 #ifndef GDTOA_H_INCLUDED

    39 #define GDTOA_H_INCLUDED

    41 #include "arith.h"

    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

    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 */

    63 #ifndef CONST

    64 #ifdef KR_headers

    65 #define CONST /* blank */

    66 #else

    67 #define CONST const

    68 #endif

    69 #endif /* CONST */

    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,

    81 	/* The following may be or-ed into one of the above values. */

    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 	};

    91  typedef struct

    92 FPI {

    93 	int nbits;

    94 	int emin;

    95 	int emax;

    96 	int rounding;

    97 	int sudden_underflow;

    98 	} FPI;

   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 	};

   107 #ifdef __cplusplus

   108 extern "C" {

   109 #endif

   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*));

   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));

   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

   156 #ifdef __cplusplus

   157 }

   158 #endif

   159 #endif /* GDTOA_H_INCLUDED */

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--