* decNumber.c, decNumber.h, decNumberLocal.h, decDouble.c,

[pf3gnuchains/gcc-fork.git] / libdecnumber / decSingle.h

diff --git a/libdecnumber/decSingle.h b/libdecnumber/decSingle.h
index bae3984..29efe43 100644 (file)
--- a/libdecnumber/decSingle.h
+++ b/libdecnumber/decSingle.h
@@ -31,24 +31,22 @@
 /* ------------------------------------------------------------------ */
 /* 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) */
@@ -59,11 +57,11 @@
   #include "decQuad.h"
   #include "decDouble.h"
 
-  /* The decSingle decimal 32-bit type, accessible by various types */
+  /* The decSingle decimal 32-bit type, accessible by all sizes */
   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;
 
   /* ---------------------------------------------------------------- */
@@ -75,6 +73,7 @@
   /* 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 *);
@@ -97,7 +96,8 @@
 
   /* 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) (decSingle *)decimal32FromNumber((decimal32 *)(dq), dn, set)
+  #define decSingleFromNumber(dq, dn, set) decimal32FromNumber((decimal32 *)(dq), dn, set)
 
 #endif