gdtoa/FreeBSD/gdtoa.h

   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 */