gdtoa.h revision 1.4
1 /* $NetBSD: gdtoa.h,v 1.4 2006/03/11 18:38:14 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 #define dtoa __dtoa 108 #define freedtoa __freedtoa 109 #define strtodg __strtodg_D2A 110 #define strtord __strtord_D2A 111 112 extern char* dtoa ANSI((double d, int mode, int ndigits, int *decpt, 113 int *sign, char **rve)); 114 extern char* gdtoa ANSI((FPI *fpi, int be, ULong *bits, int *kindp, 115 int mode, int ndigits, int *decpt, char **rve)); 116 extern void freedtoa ANSI((char*)); 117 extern float strtof ANSI((CONST char *, char **)); 118 extern double strtod ANSI((CONST char *, char **)); 119 extern int strtodg ANSI((CONST char*, char**, CONST FPI*, Long*, ULong*)); 120 121 extern char* g_ddfmt ANSI((char*, double*, int, unsigned)); 122 extern char* g_dfmt ANSI((char*, double*, int, unsigned)); 123 extern char* g_ffmt ANSI((char*, float*, int, unsigned)); 124 extern char* g_Qfmt ANSI((char*, void*, int, unsigned)); 125 extern char* g_xfmt ANSI((char*, void*, int, unsigned)); 126 extern char* g_xLfmt ANSI((char*, void*, int, unsigned)); 127 128 extern int strtoId ANSI((CONST char*, char**, double*, double*)); 129 extern int strtoIdd ANSI((CONST char*, char**, double*, double*)); 130 extern int strtoIf ANSI((CONST char*, char**, float*, float*)); 131 extern int strtoIQ ANSI((CONST char*, char**, void*, void*)); 132 extern int strtoIx ANSI((CONST char*, char**, void*, void*)); 133 extern int strtoIxL ANSI((CONST char*, char**, void*, void*)); 134 extern int strtord ANSI((CONST char*, char**, int, double*)); 135 extern int strtordd ANSI((CONST char*, char**, int, double*)); 136 extern int strtorf ANSI((CONST char*, char**, int, float*)); 137 extern int strtorQ ANSI((CONST char*, char**, int, void*)); 138 extern int strtorx ANSI((CONST char*, char**, int, void*)); 139 extern int strtorxL ANSI((CONST char*, char**, int, void*)); 140 #if 1 141 extern int strtodI ANSI((CONST char*, char**, double*)); 142 extern int strtopd ANSI((CONST char*, char**, double*)); 143 extern int strtopdd ANSI((CONST char*, char**, double*)); 144 extern int strtopf ANSI((CONST char*, char**, float*)); 145 extern int strtopQ ANSI((CONST char*, char**, void*)); 146 extern int strtopx ANSI((CONST char*, char**, void*)); 147 extern int strtopxL ANSI((CONST char*, char**, void*)); 148 #else 149 #define strtopd(s,se,x) strtord(s,se,1,x) 150 #define strtopdd(s,se,x) strtordd(s,se,1,x) 151 #define strtopf(s,se,x) strtorf(s,se,1,x) 152 #define strtopQ(s,se,x) strtorQ(s,se,1,x) 153 #define strtopx(s,se,x) strtorx(s,se,1,x) 154 #define strtopxL(s,se,x) strtorxL(s,se,1,x) 155 #endif 156 157 #ifdef __cplusplus 158 } 159 #endif 160 #endif /* GDTOA_H_INCLUDED */ 161
Indexes created Mon Sep 29 03:10:08 GMT 2025