diff options
Diffstat (limited to 'libdecnumber/decSingle.h')
| -rw-r--r-- | libdecnumber/decSingle.h | 20 |
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 |