X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=libdecnumber%2FdecSingle.h;h=ec3ae704712f0b39999eb30b899ec711c82632a4;hb=refs%2Fheads%2Fconcurrent-displaced-stepping-2020-04-01;hp=bae39848eed7d084eec80b440265f4e223d008cd;hpb=f2be950300e01d47ae4f41fb7481c26319d33d81;p=deliverable%2Fbinutils-gdb.git

diff --git a/libdecnumber/decSingle.h b/libdecnumber/decSingle.h
index bae39848ee..ec3ae70471 100644
--- a/libdecnumber/decSingle.h
+++ b/libdecnumber/decSingle.h
@@ -1,54 +1,47 @@
 /* decSingle module header for the decNumber C Library.
-   Copyright (C) 2005 Free Software Foundation, Inc.
+   Copyright (C) 2005-2018 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/>.  */
 
 /* ------------------------------------------------------------------ */
 /* 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 +52,11 @@
   #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 +68,7 @@
   /* 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 +91,8 @@
 
   /* 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