OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [libdecnumber/] [decDouble.h] - Blame information for rev 866

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 24 jeremybenn 
/* decDouble module header for the decNumber C Library.
2 
   Copyright (C) 2007 Free Software Foundation, Inc.
3 
   Contributed by IBM Corporation.  Author Mike Cowlishaw.
4 
 
5 
   This file is part of GCC.
6 
 
7 
   GCC is free software; you can redistribute it and/or modify it under
8 
   the terms of the GNU General Public License as published by the Free
9 
   Software Foundation; either version 2, or (at your option) any later
10 
   version.
11 
 
12 
   In addition to the permissions in the GNU General Public License,
13 
   the Free Software Foundation gives you unlimited permission to link
14 
   the compiled version of this file into combinations with other
15 
   programs, and to distribute those combinations without any
16 
   restriction coming from the use of this file.  (The General Public
17 
   License restrictions do apply in other respects; for example, they
18 
   cover modification of the file, and distribution when not linked
19 
   into a combine executable.)
20 
 
21 
   GCC is distributed in the hope that it will be useful, but WITHOUT ANY
22 
   WARRANTY; without even the implied warranty of MERCHANTABILITY or
23 
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
24 
   for more details.
25 
 
26 
   You should have received a copy of the GNU General Public License
27 
   along with GCC; see the file COPYING.  If not, write to the Free
28 
   Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
29 
   02110-1301, USA.  */
30 
 
31 
/* ------------------------------------------------------------------ */
32 
/* decDouble.h -- Decimal 64-bit format module header                 */
33 
/* ------------------------------------------------------------------ */
34 
/* Please see decFloats.h for an overview and documentation details.  */
35 
/* ------------------------------------------------------------------ */
36 
 
37 
#if !defined(DECDOUBLE)
38 
  #define DECDOUBLE
39 
 
40 
  #define DECDOUBLENAME       "decimalDouble"         /* Short name   */
41 
  #define DECDOUBLETITLE      "Decimal 64-bit datum"  /* Verbose name */
42 
  #define DECDOUBLEAUTHOR     "Mike Cowlishaw"        /* Who to blame */
43 
 
44 
  /* parameters for decDoubles */
45 
  #define DECDOUBLE_Bytes   8      /* length                          */
46 
  #define DECDOUBLE_Pmax    16     /* maximum precision (digits)      */
47 
  #define DECDOUBLE_Emin   -383    /* minimum adjusted exponent       */
48 
  #define DECDOUBLE_Emax    384    /* maximum adjusted exponent       */
49 
  #define DECDOUBLE_EmaxD   3      /* maximum exponent digits         */
50 
  #define DECDOUBLE_Bias    398    /* bias for the exponent           */
51 
  #define DECDOUBLE_String  25     /* maximum string length, +1       */
52 
  #define DECDOUBLE_EconL   8      /* exponent continuation length    */
53 
  #define DECDOUBLE_Declets 5      /* count of declets                */
54 
  /* highest biased exponent (Elimit-1) */
55 
  #define DECDOUBLE_Ehigh (DECDOUBLE_Emax + DECDOUBLE_Bias - (DECDOUBLE_Pmax-1))
56 
 
57 
  /* Required includes                                                */
58 
  #include "decContext.h"
59 
  #include "decQuad.h"
60 
 
61 
  /* The decDouble decimal 64-bit type, accessible by bytes */
62 
  typedef struct {
63 
    uint8_t bytes[DECDOUBLE_Bytes]; /* fields: 1, 5, 8, 50 bits   */
64 
    } decDouble;
65 
 
66 
  /* ---------------------------------------------------------------- */
67 
  /* Routines -- implemented as decFloat routines in common files     */
68 
  /* ---------------------------------------------------------------- */
69 
 
70 
  #include "decDoubleSymbols.h"
71 
 
72 
  /* Utilities and conversions, extractors, etc.) */
73 
  extern decDouble * decDoubleFromBCD(decDouble *, int32_t, const uint8_t *, int32_t);
74 
  extern decDouble * decDoubleFromInt32(decDouble *, int32_t);
75 
  extern decDouble * decDoubleFromPacked(decDouble *, int32_t, const uint8_t *);
76 
  extern decDouble * decDoubleFromString(decDouble *, const char *, decContext *);
77 
  extern decDouble * decDoubleFromUInt32(decDouble *, uint32_t);
78 
  extern decDouble * decDoubleFromWider(decDouble *, const decQuad *, decContext *);
79 
  extern int32_t     decDoubleGetCoefficient(const decDouble *, uint8_t *);
80 
  extern int32_t     decDoubleGetExponent(const decDouble *);
81 
  extern decDouble * decDoubleSetCoefficient(decDouble *, const uint8_t *, int32_t);
82 
  extern decDouble * decDoubleSetExponent(decDouble *, decContext *, int32_t);
83 
  extern void        decDoubleShow(const decDouble *, const char *);
84 
  extern int32_t     decDoubleToBCD(const decDouble *, int32_t *, uint8_t *);
85 
  extern char      * decDoubleToEngString(const decDouble *, char *);
86 
  extern int32_t     decDoubleToInt32(const decDouble *, decContext *, enum rounding);
87 
  extern int32_t     decDoubleToInt32Exact(const decDouble *, decContext *, enum rounding);
88 
  extern int32_t     decDoubleToPacked(const decDouble *, int32_t *, uint8_t *);
89 
  extern char      * decDoubleToString(const decDouble *, char *);
90 
  extern uint32_t    decDoubleToUInt32(const decDouble *, decContext *, enum rounding);
91 
  extern uint32_t    decDoubleToUInt32Exact(const decDouble *, decContext *, enum rounding);
92 
  extern decQuad   * decDoubleToWider(const decDouble *, decQuad *);
93 
  extern decDouble * decDoubleZero(decDouble *);
94 
 
95 
  /* Computational (result is a decDouble) */
96 
  extern decDouble * decDoubleAbs(decDouble *, const decDouble *, decContext *);
97 
  extern decDouble * decDoubleAdd(decDouble *, const decDouble *, const decDouble *, decContext *);
98 
  extern decDouble * decDoubleAnd(decDouble *, const decDouble *, const decDouble *, decContext *);
99 
  extern decDouble * decDoubleDivide(decDouble *, const decDouble *, const decDouble *, decContext *);
100 
  extern decDouble * decDoubleDivideInteger(decDouble *, const decDouble *, const decDouble *, decContext *);
101 
  extern decDouble * decDoubleFMA(decDouble *, const decDouble *, const decDouble *, const decDouble *, decContext *);
102 
  extern decDouble * decDoubleInvert(decDouble *, const decDouble *, decContext *);
103 
  extern decDouble * decDoubleLogB(decDouble *, const decDouble *, decContext *);
104 
  extern decDouble * decDoubleMax(decDouble *, const decDouble *, const decDouble *, decContext *);
105 
  extern decDouble * decDoubleMaxMag(decDouble *, const decDouble *, const decDouble *, decContext *);
106 
  extern decDouble * decDoubleMin(decDouble *, const decDouble *, const decDouble *, decContext *);
107 
  extern decDouble * decDoubleMinMag(decDouble *, const decDouble *, const decDouble *, decContext *);
108 
  extern decDouble * decDoubleMinus(decDouble *, const decDouble *, decContext *);
109 
  extern decDouble * decDoubleMultiply(decDouble *, const decDouble *, const decDouble *, decContext *);
110 
  extern decDouble * decDoubleNextMinus(decDouble *, const decDouble *, decContext *);
111 
  extern decDouble * decDoubleNextPlus(decDouble *, const decDouble *, decContext *);
112 
  extern decDouble * decDoubleNextToward(decDouble *, const decDouble *, const decDouble *, decContext *);
113 
  extern decDouble * decDoubleOr(decDouble *, const decDouble *, const decDouble *, decContext *);
114 
  extern decDouble * decDoublePlus(decDouble *, const decDouble *, decContext *);
115 
  extern decDouble * decDoubleQuantize(decDouble *, const decDouble *, const decDouble *, decContext *);
116 
  extern decDouble * decDoubleReduce(decDouble *, const decDouble *, decContext *);
117 
  extern decDouble * decDoubleRemainder(decDouble *, const decDouble *, const decDouble *, decContext *);
118 
  extern decDouble * decDoubleRemainderNear(decDouble *, const decDouble *, const decDouble *, decContext *);
119 
  extern decDouble * decDoubleRotate(decDouble *, const decDouble *, const decDouble *, decContext *);
120 
  extern decDouble * decDoubleScaleB(decDouble *, const decDouble *, const decDouble *, decContext *);
121 
  extern decDouble * decDoubleShift(decDouble *, const decDouble *, const decDouble *, decContext *);
122 
  extern decDouble * decDoubleSubtract(decDouble *, const decDouble *, const decDouble *, decContext *);
123 
  extern decDouble * decDoubleToIntegralValue(decDouble *, const decDouble *, decContext *, enum rounding);
124 
  extern decDouble * decDoubleToIntegralExact(decDouble *, const decDouble *, decContext *);
125 
  extern decDouble * decDoubleXor(decDouble *, const decDouble *, const decDouble *, decContext *);
126 
 
127 
  /* Comparisons */
128 
  extern decDouble * decDoubleCompare(decDouble *, const decDouble *, const decDouble *, decContext *);
129 
  extern decDouble * decDoubleCompareSignal(decDouble *, const decDouble *, const decDouble *, decContext *);
130 
  extern decDouble * decDoubleCompareTotal(decDouble *, const decDouble *, const decDouble *);
131 
  extern decDouble * decDoubleCompareTotalMag(decDouble *, const decDouble *, const decDouble *);
132 
 
133 
  /* Copies */
134 
  extern decDouble * decDoubleCanonical(decDouble *, const decDouble *);
135 
  extern decDouble * decDoubleCopy(decDouble *, const decDouble *);
136 
  extern decDouble * decDoubleCopyAbs(decDouble *, const decDouble *);
137 
  extern decDouble * decDoubleCopyNegate(decDouble *, const decDouble *);
138 
  extern decDouble * decDoubleCopySign(decDouble *, const decDouble *, const decDouble *);
139 
 
140 
  /* Non-computational */
141 
  extern enum decClass decDoubleClass(const decDouble *);
142 
  extern const char *  decDoubleClassString(const decDouble *);
143 
  extern uint32_t      decDoubleDigits(const decDouble *);
144 
  extern uint32_t      decDoubleIsCanonical(const decDouble *);
145 
  extern uint32_t      decDoubleIsFinite(const decDouble *);
146 
  extern uint32_t      decDoubleIsInfinite(const decDouble *);
147 
  extern uint32_t      decDoubleIsInteger(const decDouble *);
148 
  extern uint32_t      decDoubleIsNaN(const decDouble *);
149 
  extern uint32_t      decDoubleIsNormal(const decDouble *);
150 
  extern uint32_t      decDoubleIsSignaling(const decDouble *);
151 
  extern uint32_t      decDoubleIsSignalling(const decDouble *);
152 
  extern uint32_t      decDoubleIsSigned(const decDouble *);
153 
  extern uint32_t      decDoubleIsSubnormal(const decDouble *);
154 
  extern uint32_t      decDoubleIsZero(const decDouble *);
155 
  extern uint32_t      decDoubleRadix(const decDouble *);
156 
  extern uint32_t      decDoubleSameQuantum(const decDouble *, const decDouble *);
157 
  extern const char *  decDoubleVersion(void);
158 
 
159 
  /* decNumber conversions; these are implemented as macros so as not  */
160 
  /* to force a dependency on decimal64 and decNumber in decDouble.    */
161 
  #define decDoubleToNumber(dq, dn) decimal64ToNumber((decimal64 *)(dq), dn)
162 
  #define decDoubleFromNumber(dq, dn, set) (decDouble *)decimal64FromNumber((decimal64 *)(dq), dn, set)
163 
 
164 
#endif

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.