aboutsummaryrefslogtreecommitdiff
path: root/libdecnumber/decNumberLocal.h
diff options
context:
space:
mode:
Diffstat (limited to 'libdecnumber/decNumberLocal.h')
-rw-r--r--libdecnumber/decNumberLocal.h241
1 files changed, 162 insertions, 79 deletions
diff --git a/libdecnumber/decNumberLocal.h b/libdecnumber/decNumberLocal.h
index f1568f7..c31b50d 100644
--- a/libdecnumber/decNumberLocal.h
+++ b/libdecnumber/decNumberLocal.h
@@ -31,42 +31,48 @@
/* ------------------------------------------------------------------ */
/* decNumber package local type, tuning, and macro definitions */
/* ------------------------------------------------------------------ */
-/* This header file is included by all modules in the decNumber */
+/* This header file is included by all modules in the decNumber */
/* library, and contains local type definitions, tuning parameters, */
-/* etc. It should not need to be used by application programs. */
+/* etc. It should not need to be used by application programs. */
/* decNumber.h or one of decDouble (etc.) must be included first. */
/* ------------------------------------------------------------------ */
#if !defined(DECNUMBERLOC)
#define DECNUMBERLOC
- #define DECVERSION "decNumber 3.53" /* Package Version [16 max.] */
+ #define DECVERSION "decNumber 3.61" /* Package Version [16 max.] */
#define DECNLAUTHOR "Mike Cowlishaw" /* Who to blame */
#include <stdlib.h> /* for abs */
#include <string.h> /* for memset, strcpy */
- #include "dconfig.h" /* for WORDS_BIGENDIAN */
/* Conditional code flag -- set this to match hardware platform */
- /* 1=little-endian, 0=big-endian */
- #if WORDS_BIGENDIAN
- #define DECLITEND 0
- #else
- #define DECLITEND 1
+ #if !defined(DECLITEND)
+ #define DECLITEND 1 /* 1=little-endian, 0=big-endian */
#endif
/* Conditional code flag -- set this to 1 for best performance */
+ #if !defined(DECUSE64)
#define DECUSE64 1 /* 1=use int64s, 0=int32 & smaller only */
+ #endif
/* Conditional check flags -- set these to 0 for best performance */
+ #if !defined(DECCHECK)
#define DECCHECK 0 /* 1 to enable robust checking */
+ #endif
+ #if !defined(DECALLOC)
#define DECALLOC 0 /* 1 to enable memory accounting */
+ #endif
+ #if !defined(DECTRACE)
#define DECTRACE 0 /* 1 to trace certain internals, etc. */
+ #endif
/* Tuning parameter for decNumber (arbitrary precision) module */
+ #if !defined(DECBUFFER)
#define DECBUFFER 36 /* Size basis for local buffers. This */
/* should be a common maximum precision */
/* rounded up to a multiple of 4; must */
/* be zero or positive. */
+ #endif
/* ---------------------------------------------------------------- */
/* Definitions for all modules (general-purpose) */
@@ -76,33 +82,33 @@
/* not use int or long directly. */
#define Flag uint8_t
#define Byte int8_t
- #define uByte uint8_t
- #define Short int16_t
+ #define uByte uint8_t
+ #define Short int16_t
#define uShort uint16_t
#define Int int32_t
#define uInt uint32_t
#define Unit decNumberUnit
#if DECUSE64
#define Long int64_t
- #define uLong uint64_t
+ #define uLong uint64_t
#endif
/* Development-use definitions */
typedef long int LI; /* for printf arguments only */
#define DECNOINT 0 /* 1 to check no internal use of 'int' */
+ /* or stdint types */
#if DECNOINT
/* if these interfere with your C includes, do not set DECNOINT */
- #define int ? /* enable to ensure that plain C 'int' */
- #define long ?? /* .. or 'long' types are not used */
+ #define int ? /* enable to ensure that plain C 'int' */
+ #define long ?? /* .. or 'long' types are not used */
#endif
/* Shared lookup tables */
extern const uByte DECSTICKYTAB[10]; /* re-round digits if sticky */
extern const uInt DECPOWERS[10]; /* powers of ten table */
/* The following are included from decDPD.h */
-#include "decDPDSymbols.h"
- extern const uShort DPD2BIN[1024]; /* DPD -> 0-999 */
- extern const uShort BIN2DPD[1000]; /* 0-999 -> DPD */
+ extern const uShort DPD2BIN[1024]; /* DPD -> 0-999 */
+ extern const uShort BIN2DPD[1000]; /* 0-999 -> DPD */
extern const uInt DPD2BINK[1024]; /* DPD -> 0-999000 */
extern const uInt DPD2BINM[1024]; /* DPD -> 0-999000000 */
extern const uByte DPD2BCD8[4096]; /* DPD -> ddd + len */
@@ -111,32 +117,42 @@
/* LONGMUL32HI -- set w=(u*v)>>32, where w, u, and v are uInts */
/* (that is, sets w to be the high-order word of the 64-bit result; */
- /* the low-order word is simply u*v.) */
+ /* the low-order word is simply u*v.) */
/* This version is derived from Knuth via Hacker's Delight; */
- /* it seems to optimize better than some others tried */
+ /* it seems to optimize better than some others tried */
#define LONGMUL32HI(w, u, v) { \
- uInt u0, u1, v0, v1, w0, w1, w2, t; \
+ uInt u0, u1, v0, v1, w0, w1, w2, t; \
u0=u & 0xffff; u1=u>>16; \
v0=v & 0xffff; v1=v>>16; \
w0=u0*v0; \
- t=u1*v0 + (w0>>16); \
+ t=u1*v0 + (w0>>16); \
w1=t & 0xffff; w2=t>>16; \
w1=u0*v1 + w1; \
(w)=u1*v1 + w2 + (w1>>16);}
/* ROUNDUP -- round an integer up to a multiple of n */
#define ROUNDUP(i, n) ((((i)+(n)-1)/n)*n)
+ #define ROUNDUP4(i) (((i)+3)&~3) /* special for n=4 */
/* ROUNDDOWN -- round an integer down to a multiple of n */
#define ROUNDDOWN(i, n) (((i)/n)*n)
- #define ROUNDDOWN4(i) ((i)&~3) /* special for n=4 */
+ #define ROUNDDOWN4(i) ((i)&~3) /* special for n=4 */
+
+ /* References to multi-byte sequences under different sizes; these */
+ /* require locally declared variables, but do not violate strict */
+ /* aliasing or alignment (as did the UINTAT simple cast to uInt). */
+ /* Variables needed are uswork, uiwork, etc. [so do not use at same */
+ /* level in an expression, e.g., UBTOUI(x)==UBTOUI(y) may fail]. */
- /* References to multi-byte sequences under different sizes */
- /* Refer to a uInt from four bytes starting at a char* or uByte*, */
- /* etc. */
- #define UINTAT(b) (*((uInt *)(b)))
- #define USHORTAT(b) (*((uShort *)(b)))
- #define UBYTEAT(b) (*((uByte *)(b)))
+ /* Return a uInt, etc., from bytes starting at a char* or uByte* */
+ #define UBTOUS(b) (memcpy((void *)&uswork, b, 2), uswork)
+ #define UBTOUI(b) (memcpy((void *)&uiwork, b, 4), uiwork)
+
+ /* Store a uInt, etc., into bytes starting at a char* or uByte*. */
+ /* Returns i, evaluated, for convenience; has to use uiwork because */
+ /* i may be an expression. */
+ #define UBFROMUS(b, i) (uswork=(i), memcpy(b, (void *)&uswork, 2), uswork)
+ #define UBFROMUI(b, i) (uiwork=(i), memcpy(b, (void *)&uiwork, 4), uiwork)
/* X10 and X100 -- multiply integer i by 10 or 100 */
/* [shifts are usually faster than multiply; could be conditional] */
@@ -149,7 +165,7 @@
/* Useful constants */
#define BILLION 1000000000 /* 10**9 */
- /* CHARMASK: 0x30303030 for ASCII/UTF8; 0xF0F0F0F0 for EBCDIC */
+ /* CHARMASK: 0x30303030 for ASCII/UTF8; 0xF0F0F0F0 for EBCDIC */
#define CHARMASK ((((((((uInt)'0')<<8)+'0')<<8)+'0')<<8)+'0')
@@ -172,7 +188,7 @@
#error Minimum exponent mismatch
#endif
- /* Set DECDPUNMAX -- the maximum integer that fits in DECDPUN */
+ /* Set DECDPUNMAX -- the maximum integer that fits in DECDPUN */
/* digits, and D2UTABLE -- the initializer for the D2U table */
#if DECDPUN==1
#define DECDPUNMAX 9
@@ -253,7 +269,7 @@
/* D2N -- return the number of decNumber structs that would be */
/* needed to contain that number of digits (and the initial */
/* decNumber struct) safely. Note that one Unit is included in the */
- /* initial structure. Used for allocating space that is aligned on */
+ /* initial structure. Used for allocating space that is aligned on */
/* a decNumber struct boundary. */
#define D2N(d) \
((((SD2U(d)-1)*sizeof(Unit))+sizeof(decNumber)*2-1)/sizeof(decNumber))
@@ -261,7 +277,7 @@
/* TODIGIT -- macro to remove the leading digit from the unsigned */
/* integer u at column cut (counting from the right, LSD=0) and */
/* place it as an ASCII character into the character pointed to by */
- /* c. Note that cut must be <= 9, and the maximum value for u is */
+ /* c. Note that cut must be <= 9, and the maximum value for u is */
/* 2,000,000,000 (as is needed for negative exponents of */
/* subnormals). The unsigned integer pow is used as a temporary */
/* variable. */
@@ -274,7 +290,7 @@
pow/=2; \
if ((u)>=pow) {(u)-=pow; *(c)+=4;} \
pow/=2; \
- } \
+ } \
if ((u)>=pow) {(u)-=pow; *(c)+=2;} \
pow/=2; \
if ((u)>=pow) {(u)-=pow; *(c)+=1;} \
@@ -289,9 +305,9 @@
/* number, whose coefficient is a string of bcd8 uBytes */
typedef struct {
uByte *msd; /* -> most significant digit */
- uByte *lsd; /* -> least ditto */
+ uByte *lsd; /* -> least ditto */
uInt sign; /* 0=positive, DECFLOAT_Sign=negative */
- Int exponent; /* Unadjusted signed exponent (q), or */
+ Int exponent; /* Unadjusted signed exponent (q), or */
/* DECFLOAT_NaN etc. for a special */
} bcdnum;
@@ -308,12 +324,12 @@
#define DECWORDS (DECBYTES/4)
#define DECWWORDS (DECWBYTES/4)
#if DECLITEND
- #define DFWORD(df, off) ((df)->words[DECWORDS-1-(off)])
- #define DFBYTE(df, off) ((df)->bytes[DECBYTES-1-(off)])
+ #define DFBYTE(df, off) ((df)->bytes[DECBYTES-1-(off)])
+ #define DFWORD(df, off) ((df)->words[DECWORDS-1-(off)])
#define DFWWORD(dfw, off) ((dfw)->words[DECWWORDS-1-(off)])
#else
- #define DFWORD(df, off) ((df)->words[off])
- #define DFBYTE(df, off) ((df)->bytes[off])
+ #define DFBYTE(df, off) ((df)->bytes[off])
+ #define DFWORD(df, off) ((df)->words[off])
#define DFWWORD(dfw, off) ((dfw)->words[off])
#endif
@@ -326,7 +342,6 @@
#define DFISSNAN(df) ((DFWORD(df, 0)&0x7e000000)==0x7e000000)
/* Shared lookup tables */
-#include "decCommonSymbols.h"
extern const uInt DECCOMBMSD[64]; /* Combination field -> MSD */
extern const uInt DECCOMBFROM[48]; /* exp+msd -> Combination */
@@ -338,7 +353,7 @@
/* Format-dependent macros and constants */
#if defined(DECPMAX)
- /* Useful constants */
+ /* Useful constants */
#define DECPMAX9 (ROUNDUP(DECPMAX, 9)/9) /* 'Pmax' in 10**9s */
/* Top words for a zero */
#define SINGLEZERO 0x22500000
@@ -350,10 +365,10 @@
/* DFISZERO -- test for (any) zero */
/* DFISCCZERO -- test for coefficient continuation being zero */
/* DFISCC01 -- test for coefficient contains only 0s and 1s */
- /* DFISINT -- test for finite and exponent q=0 */
+ /* DFISINT -- test for finite and exponent q=0 */
/* DFISUINT01 -- test for sign=0, finite, exponent q=0, and */
/* MSD=0 or 1 */
- /* ZEROWORD is also defined here. */
+ /* ZEROWORD is also defined here. */
/* In DFISZERO the first test checks the least-significant word */
/* (most likely to be non-zero); the penultimate tests MSD and */
/* DPDs in the signword, and the final test excludes specials and */
@@ -407,26 +422,36 @@
|| ((dpd)&(((uInt)0x6e)<<(k)))!=(((uInt)0x6e)<<(k)))
/* declet is at offset k (a multiple of 2) in a pair of uInts: */
/* [the top 2 bits will always be in the more-significant uInt] */
- #define CANONDPDTWO(hi, lo, k) (((hi)&(0x300>>(32-(k))))==0 \
+ #define CANONDPDTWO(hi, lo, k) (((hi)&(0x300>>(32-(k))))==0 \
|| ((hi)&(0x6e>>(32-(k))))!=(0x6e>>(32-(k))) \
|| ((lo)&(((uInt)0x6e)<<(k)))!=(((uInt)0x6e)<<(k)))
/* Macro to test whether a full-length (length DECPMAX) BCD8 */
- /* coefficient is zero */
- /* test just the LSWord first, then the remainder */
+ /* coefficient, starting at uByte u, is all zeros */
+ /* Test just the LSWord first, then the remainder as a sequence */
+ /* of tests in order to avoid same-level use of UBTOUI */
#if DECPMAX==7
- #define ISCOEFFZERO(u) (UINTAT((u)+DECPMAX-4)==0 \
- && UINTAT((u)+DECPMAX-7)==0)
+ #define ISCOEFFZERO(u) ( \
+ UBTOUI((u)+DECPMAX-4)==0 \
+ && UBTOUS((u)+DECPMAX-6)==0 \
+ && *(u)==0)
#elif DECPMAX==16
- #define ISCOEFFZERO(u) (UINTAT((u)+DECPMAX-4)==0 \
- && (UINTAT((u)+DECPMAX-8)+UINTAT((u)+DECPMAX-12) \
- +UINTAT((u)+DECPMAX-16))==0)
+ #define ISCOEFFZERO(u) ( \
+ UBTOUI((u)+DECPMAX-4)==0 \
+ && UBTOUI((u)+DECPMAX-8)==0 \
+ && UBTOUI((u)+DECPMAX-12)==0 \
+ && UBTOUI(u)==0)
#elif DECPMAX==34
- #define ISCOEFFZERO(u) (UINTAT((u)+DECPMAX-4)==0 \
- && (UINTAT((u)+DECPMAX-8) +UINTAT((u)+DECPMAX-12) \
- +UINTAT((u)+DECPMAX-16)+UINTAT((u)+DECPMAX-20) \
- +UINTAT((u)+DECPMAX-24)+UINTAT((u)+DECPMAX-28) \
- +UINTAT((u)+DECPMAX-32)+USHORTAT((u)+DECPMAX-34))==0)
+ #define ISCOEFFZERO(u) ( \
+ UBTOUI((u)+DECPMAX-4)==0 \
+ && UBTOUI((u)+DECPMAX-8)==0 \
+ && UBTOUI((u)+DECPMAX-12)==0 \
+ && UBTOUI((u)+DECPMAX-16)==0 \
+ && UBTOUI((u)+DECPMAX-20)==0 \
+ && UBTOUI((u)+DECPMAX-24)==0 \
+ && UBTOUI((u)+DECPMAX-28)==0 \
+ && UBTOUI((u)+DECPMAX-32)==0 \
+ && UBTOUS(u)==0)
#endif
/* Macros and masks for the exponent continuation field and MSD */
@@ -448,29 +473,24 @@
#define ECONNANMASK ((0x01ffffff>>(32-6-DECECONL))<<(32-6-DECECONL))
/* Macros to decode the coefficient in a finite decFloat *df into */
- /* a BCD string (uByte *bcdin) of length DECPMAX uBytes */
-
- /* In-line sequence to convert 10 bits at right end of uInt dpd */
- /* to three BCD8 digits starting at uByte u. Note that an extra */
- /* byte is written to the right of the three digits because this */
- /* moves four at a time for speed; the alternative macro moves */
- /* exactly three bytes */
- #define dpd2bcd8(u, dpd) { \
- UINTAT(u)=UINTAT(&DPD2BCD8[((dpd)&0x3ff)*4]);}
+ /* a BCD string (uByte *bcdin) of length DECPMAX uBytes. */
- #define dpd2bcd83(u, dpd) { \
- *(u)=DPD2BCD8[((dpd)&0x3ff)*4]; \
- *(u+1)=DPD2BCD8[((dpd)&0x3ff)*4+1]; \
- *(u+2)=DPD2BCD8[((dpd)&0x3ff)*4+2];}
+ /* In-line sequence to convert least significant 10 bits of uInt */
+ /* dpd to three BCD8 digits starting at uByte u. Note that an */
+ /* extra byte is written to the right of the three digits because */
+ /* four bytes are moved at a time for speed; the alternative */
+ /* macro moves exactly three bytes (usually slower). */
+ #define dpd2bcd8(u, dpd) memcpy(u, &DPD2BCD8[((dpd)&0x3ff)*4], 4)
+ #define dpd2bcd83(u, dpd) memcpy(u, &DPD2BCD8[((dpd)&0x3ff)*4], 3)
/* Decode the declets. After extracting each one, it is decoded */
/* to BCD8 using a table lookup (also used for variable-length */
- /* decode). Each DPD decode is 3 bytes BCD8 plus a one-byte */
- /* length which is not used, here). Fixed-length 4-byte moves */
+ /* decode). Each DPD decode is 3 bytes BCD8 plus a one-byte */
+ /* length which is not used, here). Fixed-length 4-byte moves */
/* are fast, however, almost everywhere, and so are used except */
/* for the final three bytes (to avoid overrun). The code below */
/* is 36 instructions for Doubles and about 70 for Quads, even */
- /* on IA32. */
+ /* on IA32. */
/* Two macros are defined for each format: */
/* GETCOEFF extracts the coefficient of the current format */
@@ -478,7 +498,7 @@
/* The latter is a copy of the next-wider GETCOEFF using DFWWORD. */
#if DECPMAX==7
- #define GETCOEFF(df, bcd) { \
+ #define GETCOEFF(df, bcd) { \
uInt sourhi=DFWORD(df, 0); \
*(bcd)=(uByte)DECCOMBMSD[sourhi>>26]; \
dpd2bcd8(bcd+1, sourhi>>10); \
@@ -494,7 +514,7 @@
dpd2bcd83(bcd+13, sourlo);}
#elif DECPMAX==16
- #define GETCOEFF(df, bcd) { \
+ #define GETCOEFF(df, bcd) { \
uInt sourhi=DFWORD(df, 0); \
uInt sourlo=DFWORD(df, 1); \
*(bcd)=(uByte)DECCOMBMSD[sourhi>>26]; \
@@ -522,7 +542,7 @@
dpd2bcd83(bcd+31, sourlo);}
#elif DECPMAX==34
- #define GETCOEFF(df, bcd) { \
+ #define GETCOEFF(df, bcd) { \
uInt sourhi=DFWORD(df, 0); \
uInt sourmh=DFWORD(df, 1); \
uInt sourml=DFWORD(df, 2); \
@@ -540,12 +560,12 @@
dpd2bcd8(bcd+28, sourlo>>10); \
dpd2bcd83(bcd+31, sourlo);}
- #define GETWCOEFF(df, bcd) {??} /* [should never be used] */
+ #define GETWCOEFF(df, bcd) {??} /* [should never be used] */
#endif
/* Macros to decode the coefficient in a finite decFloat *df into */
/* a base-billion uInt array, with the least-significant */
- /* 0-999999999 'digit' at offset 0. */
+ /* 0-999999999 'digit' at offset 0. */
/* Decode the declets. After extracting each one, it is decoded */
/* to binary using a table lookup. Three tables are used; one */
@@ -597,8 +617,8 @@
#endif
/* Macros to decode the coefficient in a finite decFloat *df into */
- /* a base-thousand uInt array, with the least-significant 0-999 */
- /* 'digit' at offset 0. */
+ /* a base-thousand uInt array (of size DECLETS+1, to allow for */
+ /* the MSD), with the least-significant 0-999 'digit' at offset 0.*/
/* Decode the declets. After extracting each one, it is decoded */
/* to binary using a table lookup. */
@@ -640,9 +660,72 @@
(buf)[9]=DPD2BIN[((sourhi<<6) | (sourmh>>26))&0x3ff]; \
(buf)[10]=DPD2BIN[(sourhi>>4)&0x3ff]; \
(buf)[11]=DECCOMBMSD[sourhi>>26];}
+ #endif
+
+
+ /* Macros to decode the coefficient in a finite decFloat *df and */
+ /* add to a base-thousand uInt array (as for GETCOEFFTHOU). */
+ /* After the addition then most significant 'digit' in the array */
+ /* might have a value larger then 10 (with a maximum of 19). */
+ #if DECPMAX==7
+ #define ADDCOEFFTHOU(df, buf) { \
+ uInt sourhi=DFWORD(df, 0); \
+ (buf)[0]+=DPD2BIN[sourhi&0x3ff]; \
+ if (buf[0]>999) {buf[0]-=1000; buf[1]++;} \
+ (buf)[1]+=DPD2BIN[(sourhi>>10)&0x3ff]; \
+ if (buf[1]>999) {buf[1]-=1000; buf[2]++;} \
+ (buf)[2]+=DECCOMBMSD[sourhi>>26];}
+ #elif DECPMAX==16
+ #define ADDCOEFFTHOU(df, buf) { \
+ uInt sourhi, sourlo; \
+ sourlo=DFWORD(df, 1); \
+ (buf)[0]+=DPD2BIN[sourlo&0x3ff]; \
+ if (buf[0]>999) {buf[0]-=1000; buf[1]++;} \
+ (buf)[1]+=DPD2BIN[(sourlo>>10)&0x3ff]; \
+ if (buf[1]>999) {buf[1]-=1000; buf[2]++;} \
+ (buf)[2]+=DPD2BIN[(sourlo>>20)&0x3ff]; \
+ if (buf[2]>999) {buf[2]-=1000; buf[3]++;} \
+ sourhi=DFWORD(df, 0); \
+ (buf)[3]+=DPD2BIN[((sourhi<<2) | (sourlo>>30))&0x3ff]; \
+ if (buf[3]>999) {buf[3]-=1000; buf[4]++;} \
+ (buf)[4]+=DPD2BIN[(sourhi>>8)&0x3ff]; \
+ if (buf[4]>999) {buf[4]-=1000; buf[5]++;} \
+ (buf)[5]+=DECCOMBMSD[sourhi>>26];}
+
+ #elif DECPMAX==34
+ #define ADDCOEFFTHOU(df, buf) { \
+ uInt sourhi, sourmh, sourml, sourlo; \
+ sourlo=DFWORD(df, 3); \
+ (buf)[0]+=DPD2BIN[sourlo&0x3ff]; \
+ if (buf[0]>999) {buf[0]-=1000; buf[1]++;} \
+ (buf)[1]+=DPD2BIN[(sourlo>>10)&0x3ff]; \
+ if (buf[1]>999) {buf[1]-=1000; buf[2]++;} \
+ (buf)[2]+=DPD2BIN[(sourlo>>20)&0x3ff]; \
+ if (buf[2]>999) {buf[2]-=1000; buf[3]++;} \
+ sourml=DFWORD(df, 2); \
+ (buf)[3]+=DPD2BIN[((sourml<<2) | (sourlo>>30))&0x3ff]; \
+ if (buf[3]>999) {buf[3]-=1000; buf[4]++;} \
+ (buf)[4]+=DPD2BIN[(sourml>>8)&0x3ff]; \
+ if (buf[4]>999) {buf[4]-=1000; buf[5]++;} \
+ (buf)[5]+=DPD2BIN[(sourml>>18)&0x3ff]; \
+ if (buf[5]>999) {buf[5]-=1000; buf[6]++;} \
+ sourmh=DFWORD(df, 1); \
+ (buf)[6]+=DPD2BIN[((sourmh<<4) | (sourml>>28))&0x3ff]; \
+ if (buf[6]>999) {buf[6]-=1000; buf[7]++;} \
+ (buf)[7]+=DPD2BIN[(sourmh>>6)&0x3ff]; \
+ if (buf[7]>999) {buf[7]-=1000; buf[8]++;} \
+ (buf)[8]+=DPD2BIN[(sourmh>>16)&0x3ff]; \
+ if (buf[8]>999) {buf[8]-=1000; buf[9]++;} \
+ sourhi=DFWORD(df, 0); \
+ (buf)[9]+=DPD2BIN[((sourhi<<6) | (sourmh>>26))&0x3ff]; \
+ if (buf[9]>999) {buf[9]-=1000; buf[10]++;} \
+ (buf)[10]+=DPD2BIN[(sourhi>>4)&0x3ff]; \
+ if (buf[10]>999) {buf[10]-=1000; buf[11]++;} \
+ (buf)[11]+=DECCOMBMSD[sourhi>>26];}
#endif
+
/* Set a decFloat to the maximum positive finite number (Nmax) */
#if DECPMAX==7
#define DFSETNMAX(df) \
generated by cgit v1.1 at 2024-11-26 14:50:01 +0000