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Diffstat (limited to 'libquadmath/gdtoa/gdtoa.h')
| -rw-r--r-- | libquadmath/gdtoa/gdtoa.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/libquadmath/gdtoa/gdtoa.h b/libquadmath/gdtoa/gdtoa.h new file mode 100644 index 00000000000..1a60b6cdd6d --- /dev/null +++ b/libquadmath/gdtoa/gdtoa.h @@ -0,0 +1,154 @@ +/**************************************************************** + +The author of this software is David M. Gay. + +Copyright (C) 1998 by Lucent Technologies +All Rights Reserved + +Permission to use, copy, modify, and distribute this software and +its documentation for any purpose and without fee is hereby +granted, provided that the above copyright notice appear in all +copies and that both that the copyright notice and this +permission notice and warranty disclaimer appear in supporting +documentation, and that the name of Lucent or any of its entities +not be used in advertising or publicity pertaining to +distribution of the software without specific, written prior +permission. + +LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, +INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. +IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY +SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER +IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF +THIS SOFTWARE. + +****************************************************************/ + +/* Please send bug reports to David M. Gay (dmg at acm dot org, + * with " at " changed at "@" and " dot " changed to "."). */ + +#ifndef GDTOA_H_INCLUDED +#define GDTOA_H_INCLUDED + +#include "arith.h" +#include <stddef.h> /* for size_t */ + +#ifndef Long +#define Long long +#endif +#ifndef ULong +typedef unsigned Long ULong; +#endif +#ifndef UShort +typedef unsigned short UShort; +#endif + +#ifndef ANSI +#ifdef KR_headers +#define ANSI(x) () +#define Void /*nothing*/ +#else +#define ANSI(x) x +#define Void void +#endif +#endif /* ANSI */ + +#ifndef CONST +#ifdef KR_headers +#define CONST /* blank */ +#else +#define CONST const +#endif +#endif /* CONST */ + + enum { /* return values from strtodg */ + STRTOG_Zero = 0, + STRTOG_Normal = 1, + STRTOG_Denormal = 2, + STRTOG_Infinite = 3, + STRTOG_NaN = 4, + STRTOG_NaNbits = 5, + STRTOG_NoNumber = 6, + STRTOG_Retmask = 7, + + /* The following may be or-ed into one of the above values. */ + + STRTOG_Neg = 0x08, /* does not affect STRTOG_Inexlo or STRTOG_Inexhi */ + STRTOG_Inexlo = 0x10, /* returned result rounded toward zero */ + STRTOG_Inexhi = 0x20, /* returned result rounded away from zero */ + STRTOG_Inexact = 0x30, + STRTOG_Underflow= 0x40, + STRTOG_Overflow = 0x80 + }; + + typedef struct +FPI { + int nbits; + int emin; + int emax; + int rounding; + int sudden_underflow; + } FPI; + +enum { /* FPI.rounding values: same as FLT_ROUNDS */ + FPI_Round_zero = 0, + FPI_Round_near = 1, + FPI_Round_up = 2, + FPI_Round_down = 3 + }; + +#ifdef __cplusplus +extern "C" { +#endif + +extern char* dtoa ANSI((double d, int mode, int ndigits, int *decpt, + int *sign, char **rve)); +extern char* gdtoa ANSI((FPI *fpi, int be, ULong *bits, int *kindp, + int mode, int ndigits, int *decpt, char **rve)); +extern void freedtoa ANSI((char*)); +extern float strtof ANSI((CONST char *, char **)); +extern double strtod ANSI((CONST char *, char **)); +extern int strtodg ANSI((CONST char*, char**, FPI*, Long*, ULong*)); + +extern char* g_ddfmt ANSI((char*, double*, int, size_t)); +extern char* g_dfmt ANSI((char*, double*, int, size_t)); +extern char* g_ffmt ANSI((char*, float*, int, size_t)); +extern char* g_Qfmt ANSI((char*, void*, int, size_t)); +extern char* g_xfmt ANSI((char*, void*, int, size_t)); +extern char* g_xLfmt ANSI((char*, void*, int, size_t)); + +extern int strtoId ANSI((CONST char*, char**, double*, double*)); +extern int strtoIdd ANSI((CONST char*, char**, double*, double*)); +extern int strtoIf ANSI((CONST char*, char**, float*, float*)); +extern int strtoIQ ANSI((CONST char*, char**, void*, void*)); +extern int strtoIx ANSI((CONST char*, char**, void*, void*)); +extern int strtoIxL ANSI((CONST char*, char**, void*, void*)); +extern int strtord ANSI((CONST char*, char**, int, double*)); +extern int strtordd ANSI((CONST char*, char**, int, double*)); +extern int strtorf ANSI((CONST char*, char**, int, float*)); +extern int strtorQ ANSI((CONST char*, char**, int, void*)); +extern int strtorx ANSI((CONST char*, char**, int, void*)); +extern int strtorxL ANSI((CONST char*, char**, int, void*)); +#if 1 +extern int strtodI ANSI((CONST char*, char**, double*)); +extern int strtopd ANSI((CONST char*, char**, double*)); +extern int strtopdd ANSI((CONST char*, char**, double*)); +extern int strtopf ANSI((CONST char*, char**, float*)); +extern int quadmath_strtopQ ANSI((CONST char*, char**, void*)); +extern int strtopx ANSI((CONST char*, char**, void*)); +extern int strtopxL ANSI((CONST char*, char**, void*)); +#else +#define strtopd(s,se,x) strtord(s,se,1,x) +#define strtopdd(s,se,x) strtordd(s,se,1,x) +#define strtopf(s,se,x) strtorf(s,se,1,x) +#define strtopQ(s,se,x) strtorQ(s,se,1,x) +#define strtopx(s,se,x) strtorx(s,se,1,x) +#define strtopxL(s,se,x) strtorxL(s,se,1,x) +#endif + +#ifdef __cplusplus +} +#endif +#endif /* GDTOA_H_INCLUDED */ |