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authorDJ Delorie <dj@redhat.com>2009-03-29 02:15:39 +0000
committerDJ Delorie <dj@redhat.com>2009-03-29 02:15:39 +0000
commit3481f392b0f0df40d3556b376322066086d577bf (patch)
tree10db2be9e96ce57aef9083cea47c58084e248365 /libdecnumber/decDouble.h
parent9259819687899b6c6d31a7b32c24bfadad4b73f0 (diff)
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merge from gcc
Diffstat (limited to 'libdecnumber/decDouble.h')
-rw-r--r--libdecnumber/decDouble.h25
1 files changed, 14 insertions, 11 deletions
diff --git a/libdecnumber/decDouble.h b/libdecnumber/decDouble.h
index 53fcf40..aa8d77d 100644
--- a/libdecnumber/decDouble.h
+++ b/libdecnumber/decDouble.h
@@ -31,24 +31,22 @@
/* ------------------------------------------------------------------ */
/* 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) */
@@ -58,11 +56,14 @@
#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;
/* ---------------------------------------------------------------- */
@@ -75,6 +76,7 @@
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 *);
@@ -160,7 +162,8 @@
/* 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