/* decDouble module header for the decNumber C Library.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2009 Free Software Foundation, Inc.
Contributed by IBM Corporation. Author Mike Cowlishaw.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 2, or (at your option) any later
+ Software Foundation; either version 3, or (at your option) any later
version.
- In addition to the permissions in the GNU General Public License,
- the Free Software Foundation gives you unlimited permission to link
- the compiled version of this file into combinations with other
- programs, and to distribute those combinations without any
- restriction coming from the use of this file. (The General Public
- License restrictions do apply in other respects; for example, they
- cover modification of the file, and distribution when not linked
- into a combine executable.)
-
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
- You should have received a copy of the GNU General Public License
- along with GCC; see the file COPYING. If not, write to the Free
- Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
/* ------------------------------------------------------------------ */
/* decDouble.h -- Decimal 64-bit format module header */
/* ------------------------------------------------------------------ */
-/* Please see decFloats.h for an overview and documentation details. */
-/* ------------------------------------------------------------------ */
#if !defined(DECDOUBLE)
#define DECDOUBLE
- #define DECDOUBLENAME "decimalDouble" /* Short name */
+ #define DECDOUBLENAME "decimalDouble" /* Short name */
#define DECDOUBLETITLE "Decimal 64-bit datum" /* Verbose name */
#define DECDOUBLEAUTHOR "Mike Cowlishaw" /* Who to blame */
/* parameters for decDoubles */
#define DECDOUBLE_Bytes 8 /* length */
#define DECDOUBLE_Pmax 16 /* maximum precision (digits) */
- #define DECDOUBLE_Emin -383 /* minimum adjusted exponent */
- #define DECDOUBLE_Emax 384 /* maximum adjusted exponent */
+ #define DECDOUBLE_Emin -383 /* minimum adjusted exponent */
+ #define DECDOUBLE_Emax 384 /* maximum adjusted exponent */
#define DECDOUBLE_EmaxD 3 /* maximum exponent digits */
- #define DECDOUBLE_Bias 398 /* bias for the exponent */
- #define DECDOUBLE_String 25 /* maximum string length, +1 */
+ #define DECDOUBLE_Bias 398 /* bias for the exponent */
+ #define DECDOUBLE_String 25 /* maximum string length, +1 */
#define DECDOUBLE_EconL 8 /* exponent continuation length */
#define DECDOUBLE_Declets 5 /* count of declets */
/* highest biased exponent (Elimit-1) */
#include "decContext.h"
#include "decQuad.h"
- /* The decDouble decimal 64-bit type, accessible by various types */
+ /* The decDouble decimal 64-bit type, accessible by all sizes */
typedef union {
- uint8_t bytes[DECDOUBLE_Bytes]; /* fields: 1, 5, 8, 50 bits */
+ uint8_t bytes[DECDOUBLE_Bytes]; /* fields: 1, 5, 8, 50 bits */
uint16_t shorts[DECDOUBLE_Bytes/2];
- uint32_t words[DECDOUBLE_Bytes/4];
+ uint32_t words[DECDOUBLE_Bytes/4];
+ #if DECUSE64
+ uint64_t longs[DECDOUBLE_Bytes/8];
+ #endif
} decDouble;
/* ---------------------------------------------------------------- */
extern decDouble * decDoubleFromBCD(decDouble *, int32_t, const uint8_t *, int32_t);
extern decDouble * decDoubleFromInt32(decDouble *, int32_t);
extern decDouble * decDoubleFromPacked(decDouble *, int32_t, const uint8_t *);
+ extern decDouble * decDoubleFromPackedChecked(decDouble *, int32_t, const uint8_t *);
extern decDouble * decDoubleFromString(decDouble *, const char *, decContext *);
extern decDouble * decDoubleFromUInt32(decDouble *, uint32_t);
extern decDouble * decDoubleFromWider(decDouble *, const decQuad *, decContext *);
/* decNumber conversions; these are implemented as macros so as not */
/* to force a dependency on decimal64 and decNumber in decDouble. */
+ /* decDoubleFromNumber returns a decimal64 * to avoid warnings. */
#define decDoubleToNumber(dq, dn) decimal64ToNumber((decimal64 *)(dq), dn)
- #define decDoubleFromNumber(dq, dn, set) (decDouble *)decimal64FromNumber((decimal64 *)(dq), dn, set)
+ #define decDoubleFromNumber(dq, dn, set) decimal64FromNumber((decimal64 *)(dq), dn, set)
#endif
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