aboutsummaryrefslogtreecommitdiff
path: root/libdecnumber/decSingle.h
diff options
context:
space:
mode:
Diffstat (limited to 'libdecnumber/decSingle.h')
-rw-r--r--libdecnumber/decSingle.h20
1 files changed, 10 insertions, 10 deletions
diff --git a/libdecnumber/decSingle.h b/libdecnumber/decSingle.h
index 29efe43..bae3984 100644
--- a/libdecnumber/decSingle.h
+++ b/libdecnumber/decSingle.h
@@ -31,22 +31,24 @@
/* ------------------------------------------------------------------ */
/* decSingle.h -- Decimal 32-bit format module header */
/* ------------------------------------------------------------------ */
+/* Please see decFloats.h for an overview and documentation details. */
+/* ------------------------------------------------------------------ */
#if !defined(DECSINGLE)
#define DECSINGLE
- #define DECSINGLENAME "decSingle" /* Short name */
+ #define DECSINGLENAME "decSingle" /* Short name */
#define DECSINGLETITLE "Decimal 32-bit datum" /* Verbose name */
#define DECSINGLEAUTHOR "Mike Cowlishaw" /* Who to blame */
/* parameters for decSingles */
#define DECSINGLE_Bytes 4 /* length */
#define DECSINGLE_Pmax 7 /* maximum precision (digits) */
- #define DECSINGLE_Emin -95 /* minimum adjusted exponent */
- #define DECSINGLE_Emax 96 /* maximum adjusted exponent */
+ #define DECSINGLE_Emin -95 /* minimum adjusted exponent */
+ #define DECSINGLE_Emax 96 /* maximum adjusted exponent */
#define DECSINGLE_EmaxD 3 /* maximum exponent digits */
#define DECSINGLE_Bias 101 /* bias for the exponent */
- #define DECSINGLE_String 16 /* maximum string length, +1 */
+ #define DECSINGLE_String 16 /* maximum string length, +1 */
#define DECSINGLE_EconL 6 /* exponent continuation length */
#define DECSINGLE_Declets 2 /* count of declets */
/* highest biased exponent (Elimit-1) */
@@ -57,11 +59,11 @@
#include "decQuad.h"
#include "decDouble.h"
- /* The decSingle decimal 32-bit type, accessible by all sizes */
+ /* The decSingle decimal 32-bit type, accessible by various types */
typedef union {
- uint8_t bytes[DECSINGLE_Bytes]; /* fields: 1, 5, 6, 20 bits */
+ uint8_t bytes[DECSINGLE_Bytes]; /* fields: 1, 5, 6, 20 bits */
uint16_t shorts[DECSINGLE_Bytes/2];
- uint32_t words[DECSINGLE_Bytes/4];
+ uint32_t words[DECSINGLE_Bytes/4];
} decSingle;
/* ---------------------------------------------------------------- */
@@ -73,7 +75,6 @@
/* Utilities (binary argument(s) or result, extractors, etc.) */
extern decSingle * decSingleFromBCD(decSingle *, int32_t, const uint8_t *, int32_t);
extern decSingle * decSingleFromPacked(decSingle *, int32_t, const uint8_t *);
- extern decSingle * decSingleFromPackedChecked(decSingle *, int32_t, const uint8_t *);
extern decSingle * decSingleFromString(decSingle *, const char *, decContext *);
extern decSingle * decSingleFromWider(decSingle *, const decDouble *, decContext *);
extern int32_t decSingleGetCoefficient(const decSingle *, uint8_t *);
@@ -96,8 +97,7 @@
/* decNumber conversions; these are implemented as macros so as not */
/* to force a dependency on decimal32 and decNumber in decSingle. */
- /* decSingleFromNumber returns a decimal32 * to avoid warnings. */
#define decSingleToNumber(dq, dn) decimal32ToNumber((decimal32 *)(dq), dn)
- #define decSingleFromNumber(dq, dn, set) decimal32FromNumber((decimal32 *)(dq), dn, set)
+ #define decSingleFromNumber(dq, dn, set) (decSingle *)decimal32FromNumber((decimal32 *)(dq), dn, set)
#endif