* src-release (GDB_SUPPORT_DIRS): Add libdecnumber.

	* libdecnumber: New directory, imported from GCC.

1 files changed, 164 insertions, 0 deletions

diff --git a/libdecnumber/decDouble.h b/libdecnumber/decDouble.h
new file mode 100644
index 0000000..32eba39
--- /dev/null
+++ b/libdecnumber/decDouble.h
@@ -0,0 +1,164 @@
+/* decDouble module header for the decNumber C Library.
+   Copyright (C) 2007 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.  */
+
+/* ------------------------------------------------------------------ */
+/* decDouble.h -- Decimal 64-bit format module header		      */
+/* ------------------------------------------------------------------ */
+/* Please see decFloats.h for an overview and documentation details.  */
+/* ------------------------------------------------------------------ */
+
+#if !defined(DECDOUBLE)
+  #define DECDOUBLE
+
+  #define DECDOUBLENAME	      "decimalDouble"	      /* Short name   */
+  #define DECDOUBLETITLE      "Decimal 64-bit datum"  /* Verbose name */
+  #define DECDOUBLEAUTHOR     "Mike Cowlishaw"	      /* Who to blame */
+
+  /* parameters for decDoubles */
+  #define DECDOUBLE_Bytes   8	   /* length			      */
+  #define DECDOUBLE_Pmax    16	   /* maximum precision (digits)      */
+  #define DECDOUBLE_Emin   -383	   /* minimum adjusted exponent	      */
+  #define DECDOUBLE_Emax    384	   /* maximum adjusted exponent	      */
+  #define DECDOUBLE_EmaxD   3	   /* maximum exponent digits	      */
+  #define DECDOUBLE_Bias    398	   /* bias for the exponent	      */
+  #define DECDOUBLE_String  25	   /* maximum string length, +1	      */
+  #define DECDOUBLE_EconL   8	   /* exponent continuation length    */
+  #define DECDOUBLE_Declets 5	   /* count of declets		      */
+  /* highest biased exponent (Elimit-1) */
+  #define DECDOUBLE_Ehigh (DECDOUBLE_Emax + DECDOUBLE_Bias - (DECDOUBLE_Pmax-1))
+
+  /* Required includes						      */
+  #include "decContext.h"
+  #include "decQuad.h"
+
+  /* The decDouble decimal 64-bit type, accessible by bytes */
+  typedef struct {
+    uint8_t bytes[DECDOUBLE_Bytes]; /* fields: 1, 5, 8, 50 bits	  */
+    } decDouble;
+
+  /* ---------------------------------------------------------------- */
+  /* Routines -- implemented as decFloat routines in common files     */
+  /* ---------------------------------------------------------------- */
+
+  #include "decDoubleSymbols.h"
+
+  /* Utilities and conversions, extractors, etc.) */
+  extern decDouble * decDoubleFromBCD(decDouble *, int32_t, const uint8_t *, int32_t);
+  extern decDouble * decDoubleFromInt32(decDouble *, int32_t);
+  extern decDouble * decDoubleFromPacked(decDouble *, int32_t, const uint8_t *);
+  extern decDouble * decDoubleFromString(decDouble *, const char *, decContext *);
+  extern decDouble * decDoubleFromUInt32(decDouble *, uint32_t);
+  extern decDouble * decDoubleFromWider(decDouble *, const decQuad *, decContext *);
+  extern int32_t     decDoubleGetCoefficient(const decDouble *, uint8_t *);
+  extern int32_t     decDoubleGetExponent(const decDouble *);
+  extern decDouble * decDoubleSetCoefficient(decDouble *, const uint8_t *, int32_t);
+  extern decDouble * decDoubleSetExponent(decDouble *, decContext *, int32_t);
+  extern void	     decDoubleShow(const decDouble *, const char *);
+  extern int32_t     decDoubleToBCD(const decDouble *, int32_t *, uint8_t *);
+  extern char	   * decDoubleToEngString(const decDouble *, char *);
+  extern int32_t     decDoubleToInt32(const decDouble *, decContext *, enum rounding);
+  extern int32_t     decDoubleToInt32Exact(const decDouble *, decContext *, enum rounding);
+  extern int32_t     decDoubleToPacked(const decDouble *, int32_t *, uint8_t *);
+  extern char	   * decDoubleToString(const decDouble *, char *);
+  extern uint32_t    decDoubleToUInt32(const decDouble *, decContext *, enum rounding);
+  extern uint32_t    decDoubleToUInt32Exact(const decDouble *, decContext *, enum rounding);
+  extern decQuad   * decDoubleToWider(const decDouble *, decQuad *);
+  extern decDouble * decDoubleZero(decDouble *);
+
+  /* Computational (result is a decDouble) */
+  extern decDouble * decDoubleAbs(decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleAdd(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleAnd(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleDivide(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleDivideInteger(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleFMA(decDouble *, const decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleInvert(decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleLogB(decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleMax(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleMaxMag(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleMin(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleMinMag(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleMinus(decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleMultiply(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleNextMinus(decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleNextPlus(decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleNextToward(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleOr(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoublePlus(decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleQuantize(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleReduce(decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleRemainder(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleRemainderNear(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleRotate(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleScaleB(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleShift(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleSubtract(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleToIntegralValue(decDouble *, const decDouble *, decContext *, enum rounding);
+  extern decDouble * decDoubleToIntegralExact(decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleXor(decDouble *, const decDouble *, const decDouble *, decContext *);
+
+  /* Comparisons */
+  extern decDouble * decDoubleCompare(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleCompareSignal(decDouble *, const decDouble *, const decDouble *, decContext *);
+  extern decDouble * decDoubleCompareTotal(decDouble *, const decDouble *, const decDouble *);
+  extern decDouble * decDoubleCompareTotalMag(decDouble *, const decDouble *, const decDouble *);
+
+  /* Copies */
+  extern decDouble * decDoubleCanonical(decDouble *, const decDouble *);
+  extern decDouble * decDoubleCopy(decDouble *, const decDouble *);
+  extern decDouble * decDoubleCopyAbs(decDouble *, const decDouble *);
+  extern decDouble * decDoubleCopyNegate(decDouble *, const decDouble *);
+  extern decDouble * decDoubleCopySign(decDouble *, const decDouble *, const decDouble *);
+
+  /* Non-computational */
+  extern enum decClass decDoubleClass(const decDouble *);
+  extern const char *  decDoubleClassString(const decDouble *);
+  extern uint32_t      decDoubleDigits(const decDouble *);
+  extern uint32_t      decDoubleIsCanonical(const decDouble *);
+  extern uint32_t      decDoubleIsFinite(const decDouble *);
+  extern uint32_t      decDoubleIsInfinite(const decDouble *);
+  extern uint32_t      decDoubleIsInteger(const decDouble *);
+  extern uint32_t      decDoubleIsNaN(const decDouble *);
+  extern uint32_t      decDoubleIsNormal(const decDouble *);
+  extern uint32_t      decDoubleIsSignaling(const decDouble *);
+  extern uint32_t      decDoubleIsSignalling(const decDouble *);
+  extern uint32_t      decDoubleIsSigned(const decDouble *);
+  extern uint32_t      decDoubleIsSubnormal(const decDouble *);
+  extern uint32_t      decDoubleIsZero(const decDouble *);
+  extern uint32_t      decDoubleRadix(const decDouble *);
+  extern uint32_t      decDoubleSameQuantum(const decDouble *, const decDouble *);
+  extern const char *  decDoubleVersion(void);
+
+  /* decNumber conversions; these are implemented as macros so as not  */
+  /* to force a dependency on decimal64 and decNumber in decDouble.    */
+  #define decDoubleToNumber(dq, dn) decimal64ToNumber((decimal64 *)(dq), dn)
+  #define decDoubleFromNumber(dq, dn, set) (decDouble *)decimal64FromNumber((decimal64 *)(dq), dn, set)
+
+#endif