gdtoa.h revision 1.1
1 /* $NetBSD: gdtoa.h,v 1.1 2006/01/25 15:18:46 kleink Exp $ */ 2 3 /**************************************************************** 4 5 The author of this software is David M. Gay. 6 7 Copyright (C) 1998 by Lucent Technologies 8 All Rights Reserved 9 10 Permission to use, copy, modify, and distribute this software and 11 its documentation for any purpose and without fee is hereby 12 granted, provided that the above copyright notice appear in all 13 copies and that both that the copyright notice and this 14 permission notice and warranty disclaimer appear in supporting 15 documentation, and that the name of Lucent or any of its entities 16 not be used in advertising or publicity pertaining to 17 distribution of the software without specific, written prior 18 permission. 19 20 LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 21 INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. 22 IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY 23 SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 24 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER 25 IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 26 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF 27 THIS SOFTWARE. 28 29 ****************************************************************/ 30 31 /* Please send bug reports to David M. Gay (dmg at acm dot org, 32 * with " at " changed at "@" and " dot " changed to "."). */ 33 34 #ifndef GDTOA_H_INCLUDED 35 #define GDTOA_H_INCLUDED 36 37 #include "arith.h" 38 39 #ifndef Long 40 #define Long long 41 #endif 42 #ifndef ULong 43 typedef unsigned Long ULong; 44 #endif 45 #ifndef UShort 46 typedef unsigned short UShort; 47 #endif 48 49 #ifndef ANSI 50 #ifdef KR_headers 51 #define ANSI(x) () 52 #define Void /*nothing*/ 53 #else 54 #define ANSI(x) x 55 #define Void void 56 #endif 57 #endif /* ANSI */ 58 59 #ifndef CONST 60 #ifdef KR_headers 61 #define CONST /* blank */ 62 #else 63 #define CONST const 64 #endif 65 #endif /* CONST */ 66 67 enum { /* return values from strtodg */ 68 STRTOG_Zero = 0, 69 STRTOG_Normal = 1, 70 STRTOG_Denormal = 2, 71 STRTOG_Infinite = 3, 72 STRTOG_NaN = 4, 73 STRTOG_NaNbits = 5, 74 STRTOG_NoNumber = 6, 75 STRTOG_Retmask = 7, 76 77 /* The following may be or-ed into one of the above values. */ 78 79 STRTOG_Neg = 0x08, 80 STRTOG_Inexlo = 0x10, 81 STRTOG_Inexhi = 0x20, 82 STRTOG_Inexact = 0x30, 83 STRTOG_Underflow= 0x40, 84 STRTOG_Overflow = 0x80 85 }; 86 87 typedef struct 88 FPI { 89 int nbits; 90 int emin; 91 int emax; 92 int rounding; 93 int sudden_underflow; 94 } FPI; 95 96 enum { /* FPI.rounding values: same as FLT_ROUNDS */ 97 FPI_Round_zero = 0, 98 FPI_Round_near = 1, 99 FPI_Round_up = 2, 100 FPI_Round_down = 3 101 }; 102 103 #ifdef __cplusplus 104 extern "C" { 105 #endif 106 107 extern char* dtoa ANSI((double d, int mode, int ndigits, int *decpt, 108 int *sign, char **rve)); 109 extern char* gdtoa ANSI((FPI *fpi, int be, ULong *bits, int *kindp, 110 int mode, int ndigits, int *decpt, char **rve)); 111 extern void freedtoa ANSI((char*)); 112 extern float strtof ANSI((CONST char *, char **)); 113 extern double strtod ANSI((CONST char *, char **)); 114 extern int strtodg ANSI((CONST char*, char**, FPI*, Long*, ULong*)); 115 116 extern char* g_ddfmt ANSI((char*, double*, int, unsigned)); 117 extern char* g_dfmt ANSI((char*, double*, int, unsigned)); 118 extern char* g_ffmt ANSI((char*, float*, int, unsigned)); 119 extern char* g_Qfmt ANSI((char*, void*, int, unsigned)); 120 extern char* g_xfmt ANSI((char*, void*, int, unsigned)); 121 extern char* g_xLfmt ANSI((char*, void*, int, unsigned)); 122 123 extern int strtoId ANSI((CONST char*, char**, double*, double*)); 124 extern int strtoIdd ANSI((CONST char*, char**, double*, double*)); 125 extern int strtoIf ANSI((CONST char*, char**, float*, float*)); 126 extern int strtoIQ ANSI((CONST char*, char**, void*, void*)); 127 extern int strtoIx ANSI((CONST char*, char**, void*, void*)); 128 extern int strtoIxL ANSI((CONST char*, char**, void*, void*)); 129 extern int strtord ANSI((CONST char*, char**, int, double*)); 130 extern int strtordd ANSI((CONST char*, char**, int, double*)); 131 extern int strtorf ANSI((CONST char*, char**, int, float*)); 132 extern int strtorQ ANSI((CONST char*, char**, int, void*)); 133 extern int strtorx ANSI((CONST char*, char**, int, void*)); 134 extern int strtorxL ANSI((CONST char*, char**, int, void*)); 135 #if 1 136 extern int strtodI ANSI((CONST char*, char**, double*)); 137 extern int strtopd ANSI((CONST char*, char**, double*)); 138 extern int strtopdd ANSI((CONST char*, char**, double*)); 139 extern int strtopf ANSI((CONST char*, char**, float*)); 140 extern int strtopQ ANSI((CONST char*, char**, void*)); 141 extern int strtopx ANSI((CONST char*, char**, void*)); 142 extern int strtopxL ANSI((CONST char*, char**, void*)); 143 #else 144 #define strtopd(s,se,x) strtord(s,se,1,x) 145 #define strtopdd(s,se,x) strtordd(s,se,1,x) 146 #define strtopf(s,se,x) strtorf(s,se,1,x) 147 #define strtopQ(s,se,x) strtorQ(s,se,1,x) 148 #define strtopx(s,se,x) strtorx(s,se,1,x) 149 #define strtopxL(s,se,x) strtorxL(s,se,1,x) 150 #endif 151 152 #ifdef __cplusplus 153 } 154 #endif 155 #endif /* GDTOA_H_INCLUDED */ 156
Indexes created Mon Sep 29 21:09:56 GMT 2025