* src-release (GDB_SUPPORT_DIRS): Add libdecnumber.

	* libdecnumber: New directory, imported from GCC.

1 files changed, 101 insertions, 0 deletions

diff --git a/libdecnumber/decSingle.h b/libdecnumber/decSingle.h
new file mode 100644
index 0000000..8dd1bd3
--- /dev/null
+++ b/libdecnumber/decSingle.h
@@ -0,0 +1,101 @@
+/* decSingle module header for the decNumber C Library.
+   Copyright (C) 2005 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
+   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.  */
+
+/* ------------------------------------------------------------------ */
+/* 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 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_EmaxD    3	   /* maximum exponent digits	      */
+  #define DECSINGLE_Bias   101	   /* bias for the exponent	      */
+  #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) */
+  #define DECSINGLE_Ehigh (DECSINGLE_Emax + DECSINGLE_Bias - (DECSINGLE_Pmax-1))
+
+  /* Required includes						      */
+  #include "decContext.h"
+  #include "decQuad.h"
+  #include "decDouble.h"
+
+  /* The decSingle decimal 32-bit type, accessible by bytes */
+  typedef struct {
+    uint8_t bytes[DECSINGLE_Bytes];	/* fields: 1, 5, 6, 20 bits */
+    } decSingle;
+
+  /* ---------------------------------------------------------------- */
+  /* Routines -- implemented as decFloat routines in common files     */
+  /* ---------------------------------------------------------------- */
+
+  #include "decSingleSymbols.h"
+
+  /* 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 * decSingleFromString(decSingle *, const char *, decContext *);
+  extern decSingle * decSingleFromWider(decSingle *, const decDouble *, decContext *);
+  extern int32_t     decSingleGetCoefficient(const decSingle *, uint8_t *);
+  extern int32_t     decSingleGetExponent(const decSingle *);
+  extern decSingle * decSingleSetCoefficient(decSingle *, const uint8_t *, int32_t);
+  extern decSingle * decSingleSetExponent(decSingle *, decContext *, int32_t);
+  extern void	     decSingleShow(const decSingle *, const char *);
+  extern int32_t     decSingleToBCD(const decSingle *, int32_t *, uint8_t *);
+  extern char	   * decSingleToEngString(const decSingle *, char *);
+  extern int32_t     decSingleToPacked(const decSingle *, int32_t *, uint8_t *);
+  extern char	   * decSingleToString(const decSingle *, char *);
+  extern decDouble * decSingleToWider(const decSingle *, decDouble *);
+  extern decSingle * decSingleZero(decSingle *);
+
+  /* (No Arithmetic routines for decSingle) */
+
+  /* Non-computational */
+  extern uint32_t     decSingleRadix(const decSingle *);
+  extern const char * decSingleVersion(void);
+
+  /* decNumber conversions; these are implemented as macros so as not  */
+  /* to force a dependency on decimal32 and decNumber in decSingle.    */
+  #define decSingleToNumber(dq, dn) decimal32ToNumber((decimal32 *)(dq), dn)
+  #define decSingleFromNumber(dq, dn, set) (decSingle *)decimal32FromNumber((decimal32 *)(dq), dn, set)
+
+#endif