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Diffstat (limited to 'libjava/java/lang/mprec.h')
| -rw-r--r-- | libjava/java/lang/mprec.h | 401 |
1 files changed, 0 insertions, 401 deletions
diff --git a/libjava/java/lang/mprec.h b/libjava/java/lang/mprec.h deleted file mode 100644 index 4baac323ad3..00000000000 --- a/libjava/java/lang/mprec.h +++ /dev/null @@ -1,401 +0,0 @@ -/**************************************************************** - * - * The author of this software is David M. Gay. - * - * Copyright (c) 1991, 2000 by AT&T. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose without fee is hereby granted, provided that this entire notice - * is included in all copies of any software which is or includes a copy - * or modification of this software and in all copies of the supporting - * documentation for such software. - * - * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED - * WARRANTY. IN PARTICULAR, NEITHER THE AUTHOR NOR AT&T MAKES ANY - * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY - * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. - * - ***************************************************************/ - -/* Please send bug reports to - David M. Gay - AT&T Bell Laboratories, Room 2C-463 - 600 Mountain Avenue - Murray Hill, NJ 07974-2070 - U.S.A. - dmg@research.att.com or research!dmg - */ - -#include <config.h> -#include "ieeefp.h" - -#include <math.h> -// #include <float.h> -// #include <errno.h> - -#if defined HAVE_STDINT_H -#include <stdint.h> -#elif defined HAVE_INTTYPES_H -#include <inttypes.h> -#endif - -#if defined HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#if defined HAVE_SYS_CONFIG_H -#include <sys/config.h> -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -/* ISO C9X int type declarations */ - -#if !defined HAVE_INT32_DEFINED && defined HAVE_BSD_INT32_DEFINED -typedef u_int32_t uint32_t; -#endif - -#if !defined HAVE_BSD_INT32_DEFINED && !defined HAVE_INT32_DEFINED -// FIXME -- this could have problems with systems that don't define SI to be 4 -typedef int int32_t __attribute__((mode(SI))); - -/* This is a blatant hack: on Solaris 2.5, pthread.h defines uint32_t - in pthread.h, which we sometimes include. We protect our - definition the same way Solaris 2.5 does, to avoid redefining it. */ -# ifndef _UINT32_T -typedef unsigned int uint32_t __attribute__((mode(SI))); -# endif -#endif - - /* These typedefs are true for the targets running Java. */ - -#ifdef __IEEE_LITTLE_ENDIAN -#define IEEE_8087 -#endif - -#ifdef __IEEE_BIG_ENDIAN -#define IEEE_MC68k -#endif - -#ifdef __Z8000__ -#define Just_16 -#endif - -#ifdef DEBUG -#include "stdio.h" -#define Bug(x) {fprintf(stderr, "%s\n", x); exit(1);} -#endif - - -#ifdef Unsigned_Shifts -#define Sign_Extend(a,b) if (b < 0) a |= (uint32_t)0xffff0000; -#else -#define Sign_Extend(a,b) /*no-op*/ -#endif - -#if defined(IEEE_8087) + defined(IEEE_MC68k) + defined(VAX) + defined(IBM) != 1 -Exactly one of IEEE_8087, IEEE_MC68k, VAX, or IBM should be defined. -#endif - -/* If we are going to examine or modify specific bits in a double using - the word0 and/or word1 macros, then we must wrap the double inside - a union. This is necessary to avoid undefined behavior according to - the ANSI C spec. */ -union double_union -{ - double d; - uint32_t i[2]; -}; - -#ifdef IEEE_8087 -#define word0(x) (x.i[1]) -#define word1(x) (x.i[0]) -#else -#define word0(x) (x.i[0]) -#define word1(x) (x.i[1]) -#endif - -/* The following definition of Storeinc is appropriate for MIPS processors. - * An alternative that might be better on some machines is - * #define Storeinc(a,b,c) (*a++ = b << 16 | c & 0xffff) - */ -#if defined(IEEE_8087) + defined(VAX) -#define Storeinc(a,b,c) (((unsigned short *)a)[1] = (unsigned short)b, \ -((unsigned short *)a)[0] = (unsigned short)c, a++) -#else -#define Storeinc(a,b,c) (((unsigned short *)a)[0] = (unsigned short)b, \ -((unsigned short *)a)[1] = (unsigned short)c, a++) -#endif - -/* #define P DBL_MANT_DIG */ -/* Ten_pmax = floor(P*log(2)/log(5)) */ -/* Bletch = (highest power of 2 < DBL_MAX_10_EXP) / 16 */ -/* Quick_max = floor((P-1)*log(FLT_RADIX)/log(10) - 1) */ -/* Int_max = floor(P*log(FLT_RADIX)/log(10) - 1) */ - -#if defined(IEEE_8087) + defined(IEEE_MC68k) -#if defined (_DOUBLE_IS_32BITS) -#define Exp_shift 23 -#define Exp_shift1 23 -#define Exp_msk1 ((uint32_t)0x00800000L) -#define Exp_msk11 ((uint32_t)0x00800000L) -#define Exp_mask ((uint32_t)0x7f800000L) -#define P 24 -#define Bias 127 -#if 0 -#define IEEE_Arith /* it is, but the code doesn't handle IEEE singles yet */ -#endif -#define Emin (-126) -#define Exp_1 ((uint32_t)0x3f800000L) -#define Exp_11 ((uint32_t)0x3f800000L) -#define Ebits 8 -#define Frac_mask ((uint32_t)0x007fffffL) -#define Frac_mask1 ((uint32_t)0x007fffffL) -#define Ten_pmax 10 -#define Sign_bit ((uint32_t)0x80000000L) -#define Ten_pmax 10 -#define Bletch 2 -#define Bndry_mask ((uint32_t)0x007fffffL) -#define Bndry_mask1 ((uint32_t)0x007fffffL) -#define LSB 1 -#define Sign_bit ((uint32_t)0x80000000L) -#define Log2P 1 -#define Tiny0 0 -#define Tiny1 1 -#define Quick_max 5 -#define Int_max 6 -#define Infinite(x) (word0(x) == ((uint32_t)0x7f800000L)) -#undef word0 -#undef word1 - -#define word0(x) (x.i[0]) -#define word1(x) 0 -#else - -#define Exp_shift 20 -#define Exp_shift1 20 -#define Exp_msk1 ((uint32_t)0x100000L) -#define Exp_msk11 ((uint32_t)0x100000L) -#define Exp_mask ((uint32_t)0x7ff00000L) -#define P 53 -#define Bias 1023 -#define IEEE_Arith -#define Emin (-1022) -#define Exp_1 ((uint32_t)0x3ff00000L) -#define Exp_11 ((uint32_t)0x3ff00000L) -#define Ebits 11 -#define Frac_mask ((uint32_t)0xfffffL) -#define Frac_mask1 ((uint32_t)0xfffffL) -#define Ten_pmax 22 -#define Bletch 0x10 -#define Bndry_mask ((uint32_t)0xfffffL) -#define Bndry_mask1 ((uint32_t)0xfffffL) -#define LSB 1 -#define Sign_bit ((uint32_t)0x80000000L) -#define Log2P 1 -#define Tiny0 0 -#define Tiny1 1 -#define Quick_max 14 -#define Int_max 14 -#define Infinite(x) (word0(x) == ((uint32_t)0x7ff00000L)) /* sufficient test for here */ -#endif - -#else -#undef Sudden_Underflow -#define Sudden_Underflow -#ifdef IBM -#define Exp_shift 24 -#define Exp_shift1 24 -#define Exp_msk1 ((uint32_t)0x1000000L) -#define Exp_msk11 ((uint32_t)0x1000000L) -#define Exp_mask ((uint32_t)0x7f000000L) -#define P 14 -#define Bias 65 -#define Exp_1 ((uint32_t)0x41000000L) -#define Exp_11 ((uint32_t)0x41000000L) -#define Ebits 8 /* exponent has 7 bits, but 8 is the right value in b2d */ -#define Frac_mask ((uint32_t)0xffffffL) -#define Frac_mask1 ((uint32_t)0xffffffL) -#define Bletch 4 -#define Ten_pmax 22 -#define Bndry_mask ((uint32_t)0xefffffL) -#define Bndry_mask1 ((uint32_t)0xffffffL) -#define LSB 1 -#define Sign_bit ((uint32_t)0x80000000L) -#define Log2P 4 -#define Tiny0 ((uint32_t)0x100000L) -#define Tiny1 0 -#define Quick_max 14 -#define Int_max 15 -#else /* VAX */ -#define Exp_shift 23 -#define Exp_shift1 7 -#define Exp_msk1 0x80 -#define Exp_msk11 ((uint32_t)0x800000L) -#define Exp_mask ((uint32_t)0x7f80L) -#define P 56 -#define Bias 129 -#define Exp_1 ((uint32_t)0x40800000L) -#define Exp_11 ((uint32_t)0x4080L) -#define Ebits 8 -#define Frac_mask ((uint32_t)0x7fffffL) -#define Frac_mask1 ((uint32_t)0xffff007fL) -#define Ten_pmax 24 -#define Bletch 2 -#define Bndry_mask ((uint32_t)0xffff007fL) -#define Bndry_mask1 ((uint32_t)0xffff007fL) -#define LSB ((uint32_t)0x10000L) -#define Sign_bit ((uint32_t)0x8000L) -#define Log2P 1 -#define Tiny0 0x80 -#define Tiny1 0 -#define Quick_max 15 -#define Int_max 15 -#endif -#endif - -#ifndef IEEE_Arith -#define ROUND_BIASED -#endif - -#ifdef RND_PRODQUOT -#define rounded_product(a,b) a = rnd_prod(a, b) -#define rounded_quotient(a,b) a = rnd_quot(a, b) -#ifdef KR_headers -extern double rnd_prod(), rnd_quot(); -#else -extern double rnd_prod(double, double), rnd_quot(double, double); -#endif -#else -#define rounded_product(a,b) a *= b -#define rounded_quotient(a,b) a /= b -#endif - -#define Big0 (Frac_mask1 | Exp_msk1*(DBL_MAX_EXP+Bias-1)) -#define Big1 ((uint32_t)0xffffffffL) - -#ifndef Just_16 -/* When Pack_32 is not defined, we store 16 bits per 32-bit long. - * This makes some inner loops simpler and sometimes saves work - * during multiplications, but it often seems to make things slightly - * slower. Hence the default is now to store 32 bits per long. - */ - -#ifndef Pack_32 -#if SIZEOF_VOID_P != 8 -#define Pack_32 -#endif -#endif -#endif - - -#define MAX_BIGNUMS 16 -#define MAX_BIGNUM_WDS 32 - -struct _Jv_Bigint -{ - struct _Jv_Bigint *_next; - int _k, _maxwds, _sign, _wds; - unsigned long _x[MAX_BIGNUM_WDS]; -}; - - -#define _PTR void * -#define _AND , -#define _NOARGS void -#define _CONST const -#define _VOLATILE volatile -#define _SIGNED signed -#define _DOTS , ... -#define _VOID void -#define _EXFUN(name, proto) name proto -#define _DEFUN(name, arglist, args) name(args) -#define _DEFUN_VOID(name) name(_NOARGS) -#define _CAST_VOID (void) - - -struct _Jv_reent -{ - /* local copy of errno */ - int _errno; - - /* used by mprec routines */ - struct _Jv_Bigint *_result; - int _result_k; - struct _Jv_Bigint *_p5s; - - struct _Jv_Bigint _freelist[MAX_BIGNUMS]; - int _allocation_map; - - int num; -}; - - -typedef struct _Jv_Bigint _Jv_Bigint; - -#define Balloc _Jv_Balloc -#define Bfree _Jv_Bfree -#define multadd _Jv_multadd -#define s2b _Jv_s2b -#define lo0bits _Jv_lo0bits -#define hi0bits _Jv_hi0bits -#define i2b _Jv_i2b -#define mult _Jv_mult -#define pow5mult _Jv_pow5mult -#define lshift _Jv_lshift -#define cmp _Jv__mcmp -#define diff _Jv__mdiff -#define ulp _Jv_ulp -#define b2d _Jv_b2d -#define d2b _Jv_d2b -#define ratio _Jv_ratio - -#define tens _Jv__mprec_tens -#define bigtens _Jv__mprec_bigtens -#define tinytens _Jv__mprec_tinytens - -#define _dtoa _Jv_dtoa -#define _dtoa_r _Jv_dtoa_r -#define _strtod_r _Jv_strtod_r - -extern double _EXFUN(_strtod_r, (struct _Jv_reent *ptr, const char *s00, char **se)); -extern char* _EXFUN(_dtoa_r, (struct _Jv_reent *ptr, double d, - int mode, int ndigits, int *decpt, int *sign, - char **rve, int float_type)); -void _EXFUN(_dtoa, (double d, int mode, int ndigits, int *decpt, int *sign, - char **rve, char *buf, int float_type)); - -double _EXFUN(ulp,(double x)); -double _EXFUN(b2d,(_Jv_Bigint *a , int *e)); -_Jv_Bigint * _EXFUN(Balloc,(struct _Jv_reent *p, int k)); -void _EXFUN(Bfree,(struct _Jv_reent *p, _Jv_Bigint *v)); -_Jv_Bigint * _EXFUN(multadd,(struct _Jv_reent *p, _Jv_Bigint *, int, int)); -_Jv_Bigint * _EXFUN(s2b,(struct _Jv_reent *, const char*, int, int, unsigned long)); -_Jv_Bigint * _EXFUN(i2b,(struct _Jv_reent *,int)); -_Jv_Bigint * _EXFUN(mult, (struct _Jv_reent *, _Jv_Bigint *, _Jv_Bigint *)); -_Jv_Bigint * _EXFUN(pow5mult, (struct _Jv_reent *, _Jv_Bigint *, int k)); -int _EXFUN(hi0bits,(unsigned long)); -int _EXFUN(lo0bits,(unsigned long *)); -_Jv_Bigint * _EXFUN(d2b,(struct _Jv_reent *p, double d, int *e, int *bits)); -_Jv_Bigint * _EXFUN(lshift,(struct _Jv_reent *p, _Jv_Bigint *b, int k)); -_Jv_Bigint * _EXFUN(diff,(struct _Jv_reent *p, _Jv_Bigint *a, _Jv_Bigint *b)); -int _EXFUN(cmp,(_Jv_Bigint *a, _Jv_Bigint *b)); - -double _EXFUN(ratio,(_Jv_Bigint *a, _Jv_Bigint *b)); -#define Bcopy(x,y) memcpy((char *)&x->_sign, (char *)&y->_sign, y->_wds*sizeof(long) + 2*sizeof(int)) - -#if defined(_DOUBLE_IS_32BITS) && defined(__v800) -#define n_bigtens 2 -#else -#define n_bigtens 5 -#endif - -extern _CONST double tinytens[]; -extern _CONST double bigtens[]; -extern _CONST double tens[]; - -#ifdef __cplusplus -} -#endif |