--- /dev/null
+/* decQuad module header for the decNumber C Library.
+ Copyright (C) 2007, 2009 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 3, or (at your option) any later
+ version.
+
+ 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.
+
+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/>. */
+
+/* ------------------------------------------------------------------ */
+/* decQuad.h -- Decimal 128-bit format module header */
+/* ------------------------------------------------------------------ */
+/* Please see decFloats.h for an overview and documentation details. */
+/* ------------------------------------------------------------------ */
+/* This include file is always included by decSingle and decDouble, */
+/* and therefore also holds useful constants used by all three. */
+
+#if !defined(DECQUAD)
+ #define DECQUAD
+
+ #define DECQUADNAME "decimalQuad" /* Short name */
+ #define DECQUADTITLE "Decimal 128-bit datum" /* Verbose name */
+ #define DECQUADAUTHOR "Mike Cowlishaw" /* Who to blame */
+
+ /* parameters for decQuads */
+ #define DECQUAD_Bytes 16 /* length */
+ #define DECQUAD_Pmax 34 /* maximum precision (digits) */
+ #define DECQUAD_Emin -6143 /* minimum adjusted exponent */
+ #define DECQUAD_Emax 6144 /* maximum adjusted exponent */
+ #define DECQUAD_EmaxD 4 /* maximum exponent digits */
+ #define DECQUAD_Bias 6176 /* bias for the exponent */
+ #define DECQUAD_String 43 /* maximum string length, +1 */
+ #define DECQUAD_EconL 12 /* exponent continuation length */
+ #define DECQUAD_Declets 11 /* count of declets */
+ /* highest biased exponent (Elimit-1) */
+ #define DECQUAD_Ehigh (DECQUAD_Emax + DECQUAD_Bias - (DECQUAD_Pmax-1))
+
+ /* Required include */
+ #include "decContext.h"
+
+ /* The decQuad decimal 128-bit type, accessible by various types */
+ typedef union {
+ uint8_t bytes[DECQUAD_Bytes]; /* fields: 1, 5, 12, 110 bits */
+ uint16_t shorts[DECQUAD_Bytes/2];
+ uint32_t words[DECQUAD_Bytes/4];
+ } decQuad;
+
+ /* ---------------------------------------------------------------- */
+ /* Shared constants */
+ /* ---------------------------------------------------------------- */
+
+ /* sign and special values [top 32-bits; last two bits are don't-care
+ for Infinity on input, last bit don't-care for NaNs] */
+ #define DECFLOAT_Sign 0x80000000 /* 1 00000 00 Sign */
+ #define DECFLOAT_NaN 0x7c000000 /* 0 11111 00 NaN generic */
+ #define DECFLOAT_qNaN 0x7c000000 /* 0 11111 00 qNaN */
+ #define DECFLOAT_sNaN 0x7e000000 /* 0 11111 10 sNaN */
+ #define DECFLOAT_Inf 0x78000000 /* 0 11110 00 Infinity */
+ #define DECFLOAT_MinSp 0x78000000 /* minimum special value */
+ /* [specials are all >=MinSp] */
+ /* Sign nibble constants */
+ #if !defined(DECPPLUSALT)
+ #define DECPPLUSALT 0x0A /* alternate plus nibble */
+ #define DECPMINUSALT 0x0B /* alternate minus nibble */
+ #define DECPPLUS 0x0C /* preferred plus nibble */
+ #define DECPMINUS 0x0D /* preferred minus nibble */
+ #define DECPPLUSALT2 0x0E /* alternate plus nibble */
+ #define DECPUNSIGNED 0x0F /* alternate plus nibble (unsigned) */
+ #endif
+
+ /* ---------------------------------------------------------------- */
+ /* Routines -- implemented as decFloat routines in common files */
+ /* ---------------------------------------------------------------- */
+
+ #include "decQuadSymbols.h"
+
+ /* Utilities and conversions, extractors, etc.) */
+ extern decQuad * decQuadFromBCD(decQuad *, int32_t, const uint8_t *, int32_t);
+ extern decQuad * decQuadFromInt32(decQuad *, int32_t);
+ extern decQuad * decQuadFromPacked(decQuad *, int32_t, const uint8_t *);
+ extern decQuad * decQuadFromString(decQuad *, const char *, decContext *);
+ extern decQuad * decQuadFromUInt32(decQuad *, uint32_t);
+ extern int32_t decQuadGetCoefficient(const decQuad *, uint8_t *);
+ extern int32_t decQuadGetExponent(const decQuad *);
+ extern decQuad * decQuadSetCoefficient(decQuad *, const uint8_t *, int32_t);
+ extern decQuad * decQuadSetExponent(decQuad *, decContext *, int32_t);
+ extern void decQuadShow(const decQuad *, const char *);
+ extern int32_t decQuadToBCD(const decQuad *, int32_t *, uint8_t *);
+ extern char * decQuadToEngString(const decQuad *, char *);
+ extern int32_t decQuadToInt32(const decQuad *, decContext *, enum rounding);
+ extern int32_t decQuadToInt32Exact(const decQuad *, decContext *, enum rounding);
+ extern int32_t decQuadToPacked(const decQuad *, int32_t *, uint8_t *);
+ extern char * decQuadToString(const decQuad *, char *);
+ extern uint32_t decQuadToUInt32(const decQuad *, decContext *, enum rounding);
+ extern uint32_t decQuadToUInt32Exact(const decQuad *, decContext *, enum rounding);
+ extern decQuad * decQuadZero(decQuad *);
+
+ /* Computational (result is a decQuad) */
+ extern decQuad * decQuadAbs(decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadAdd(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadAnd(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadDivide(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadDivideInteger(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadFMA(decQuad *, const decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadInvert(decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadLogB(decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadMax(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadMaxMag(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadMin(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadMinMag(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadMinus(decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadMultiply(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadNextMinus(decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadNextPlus(decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadNextToward(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadOr(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadPlus(decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadQuantize(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadReduce(decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadRemainder(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadRemainderNear(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadRotate(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadScaleB(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadShift(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadSubtract(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadToIntegralValue(decQuad *, const decQuad *, decContext *, enum rounding);
+ extern decQuad * decQuadToIntegralExact(decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadXor(decQuad *, const decQuad *, const decQuad *, decContext *);
+
+ /* Comparisons */
+ extern decQuad * decQuadCompare(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadCompareSignal(decQuad *, const decQuad *, const decQuad *, decContext *);
+ extern decQuad * decQuadCompareTotal(decQuad *, const decQuad *, const decQuad *);
+ extern decQuad * decQuadCompareTotalMag(decQuad *, const decQuad *, const decQuad *);
+
+ /* Copies */
+ extern decQuad * decQuadCanonical(decQuad *, const decQuad *);
+ extern decQuad * decQuadCopy(decQuad *, const decQuad *);
+ extern decQuad * decQuadCopyAbs(decQuad *, const decQuad *);
+ extern decQuad * decQuadCopyNegate(decQuad *, const decQuad *);
+ extern decQuad * decQuadCopySign(decQuad *, const decQuad *, const decQuad *);
+
+ /* Non-computational */
+ extern enum decClass decQuadClass(const decQuad *);
+ extern const char * decQuadClassString(const decQuad *);
+ extern uint32_t decQuadDigits(const decQuad *);
+ extern uint32_t decQuadIsCanonical(const decQuad *);
+ extern uint32_t decQuadIsFinite(const decQuad *);
+ extern uint32_t decQuadIsInteger(const decQuad *);
+ extern uint32_t decQuadIsInfinite(const decQuad *);
+ extern uint32_t decQuadIsNaN(const decQuad *);
+ extern uint32_t decQuadIsNormal(const decQuad *);
+ extern uint32_t decQuadIsSignaling(const decQuad *);
+ extern uint32_t decQuadIsSignalling(const decQuad *);
+ extern uint32_t decQuadIsSigned(const decQuad *);
+ extern uint32_t decQuadIsSubnormal(const decQuad *);
+ extern uint32_t decQuadIsZero(const decQuad *);
+ extern uint32_t decQuadRadix(const decQuad *);
+ extern uint32_t decQuadSameQuantum(const decQuad *, const decQuad *);
+ extern const char * decQuadVersion(void);
+
+ /* decNumber conversions; these are implemented as macros so as not */
+ /* to force a dependency on decimal128 and decNumber in decQuad. */
+ #define decQuadToNumber(dq, dn) decimal128ToNumber((decimal128 *)(dq), dn)
+ #define decQuadFromNumber(dq, dn, set) (decQuad *)decimal128FromNumber((decimal128 *)(dq), dn, set)
+
+#endif
projects / msp430-gcc.git / blobdiff