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40#if !defined(DECNUMBERLOC)
41 #define DECNUMBERLOC
42 #define DECVERSION "decNumber 3.53"
43 #define DECNLAUTHOR "Mike Cowlishaw"
44
45 #include "libdecnumber/dconfig.h"
46
47
48
49 #if WORDS_BIGENDIAN
50 #define DECLITEND 0
51 #else
52 #define DECLITEND 1
53 #endif
54
55
56 #define DECUSE64 1
57
58
59 #define DECCHECK 0
60 #define DECALLOC 0
61 #define DECTRACE 0
62
63
64 #define DECBUFFER 36
65
66
67
68
69
70
71
72
73
74
75 #define Flag uint8_t
76 #define Byte int8_t
77 #define uByte uint8_t
78 #define Short int16_t
79 #define uShort uint16_t
80 #define Int int32_t
81 #define uInt uint32_t
82 #define Unit decNumberUnit
83 #if DECUSE64
84 #define Long int64_t
85 #define uLong uint64_t
86 #endif
87
88
89 typedef long int LI;
90 #define DECNOINT 0
91 #if DECNOINT
92
93 #define int ?
94 #define long ??
95 #endif
96
97
98 extern const uByte DECSTICKYTAB[10];
99 extern const uLong DECPOWERS[19];
100
101 extern const uShort DPD2BIN[1024];
102 extern const uShort BIN2DPD[1000];
103 extern const uInt DPD2BINK[1024];
104 extern const uInt DPD2BINM[1024];
105 extern const uByte DPD2BCD8[4096];
106 extern const uByte BIN2BCD8[4000];
107 extern const uShort BCD2DPD[2458];
108
109
110
111
112
113
114 #define LONGMUL32HI(w, u, v) { \
115 uInt u0, u1, v0, v1, w0, w1, w2, t; \
116 u0=u & 0xffff; u1=u>>16; \
117 v0=v & 0xffff; v1=v>>16; \
118 w0=u0*v0; \
119 t=u1*v0 + (w0>>16); \
120 w1=t & 0xffff; w2=t>>16; \
121 w1=u0*v1 + w1; \
122 (w)=u1*v1 + w2 + (w1>>16);}
123
124
125 #define ROUNDUP(i, n) ((((i)+(n)-1)/n)*n)
126
127
128 #define ROUNDDOWN(i, n) (((i)/n)*n)
129 #define ROUNDDOWN4(i) ((i)&~3)
130
131
132
133
134 #define UINTAT(b) (*((uInt *)(b)))
135 #define USHORTAT(b) (*((uShort *)(b)))
136 #define UBYTEAT(b) (*((uByte *)(b)))
137
138
139
140 #define X10(i) (((i)<<1)+((i)<<3))
141 #define X100(i) (((i)<<2)+((i)<<5)+((i)<<6))
142
143
144 #define MAXI(x,y) ((x)<(y)?(y):(x))
145 #define MINI(x,y) ((x)>(y)?(y):(x))
146
147
148 #define BILLION 1000000000
149
150 #define CHARMASK ((((((((uInt)'0')<<8)+'0')<<8)+'0')<<8)+'0')
151
152
153
154
155
156
157
158
159 #define DECNUMMAXP 999999999
160 #define DECNUMMAXE 999999999
161 #define DECNUMMINE -999999999
162 #if (DECNUMMAXP != DEC_MAX_DIGITS)
163 #error Maximum digits mismatch
164 #endif
165 #if (DECNUMMAXE != DEC_MAX_EMAX)
166 #error Maximum exponent mismatch
167 #endif
168 #if (DECNUMMINE != DEC_MIN_EMIN)
169 #error Minimum exponent mismatch
170 #endif
171
172
173
174 #if DECDPUN==1
175 #define DECDPUNMAX 9
176 #define D2UTABLE {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17, \
177 18,19,20,21,22,23,24,25,26,27,28,29,30,31,32, \
178 33,34,35,36,37,38,39,40,41,42,43,44,45,46,47, \
179 48,49}
180 #elif DECDPUN==2
181 #define DECDPUNMAX 99
182 #define D2UTABLE {0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10, \
183 11,11,12,12,13,13,14,14,15,15,16,16,17,17,18, \
184 18,19,19,20,20,21,21,22,22,23,23,24,24,25}
185 #elif DECDPUN==3
186 #define DECDPUNMAX 999
187 #define D2UTABLE {0,1,1,1,2,2,2,3,3,3,4,4,4,5,5,5,6,6,6,7,7,7, \
188 8,8,8,9,9,9,10,10,10,11,11,11,12,12,12,13,13, \
189 13,14,14,14,15,15,15,16,16,16,17}
190 #elif DECDPUN==4
191 #define DECDPUNMAX 9999
192 #define D2UTABLE {0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6, \
193 6,6,6,7,7,7,7,8,8,8,8,9,9,9,9,10,10,10,10,11, \
194 11,11,11,12,12,12,12,13}
195 #elif DECDPUN==5
196 #define DECDPUNMAX 99999
197 #define D2UTABLE {0,1,1,1,1,1,2,2,2,2,2,3,3,3,3,3,4,4,4,4,4,5, \
198 5,5,5,5,6,6,6,6,6,7,7,7,7,7,8,8,8,8,8,9,9,9, \
199 9,9,10,10,10,10}
200 #elif DECDPUN==6
201 #define DECDPUNMAX 999999
202 #define D2UTABLE {0,1,1,1,1,1,1,2,2,2,2,2,2,3,3,3,3,3,3,4,4,4, \
203 4,4,4,5,5,5,5,5,5,6,6,6,6,6,6,7,7,7,7,7,7,8, \
204 8,8,8,8,8,9}
205 #elif DECDPUN==7
206 #define DECDPUNMAX 9999999
207 #define D2UTABLE {0,1,1,1,1,1,1,1,2,2,2,2,2,2,2,3,3,3,3,3,3,3, \
208 4,4,4,4,4,4,4,5,5,5,5,5,5,5,6,6,6,6,6,6,6,7, \
209 7,7,7,7,7,7}
210 #elif DECDPUN==8
211 #define DECDPUNMAX 99999999
212 #define D2UTABLE {0,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,3,3,3,3,3, \
213 3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,6,6,6, \
214 6,6,6,6,6,7}
215 #elif DECDPUN==9
216 #define DECDPUNMAX 999999999
217 #define D2UTABLE {0,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,3,3,3, \
218 3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5, \
219 5,5,6,6,6,6}
220 #elif defined(DECDPUN)
221 #error DECDPUN must be in the range 1-9
222 #endif
223
224
225
226 #define DECMAXD2U 49
227 extern const uByte d2utable[DECMAXD2U+1];
228
229
230
231
232 #define ISZERO(dn) decNumberIsZero(dn)
233
234
235
236 #if DECDPUN==8
237 #define D2U(d) ((unsigned)((d)<=DECMAXD2U?d2utable[d]:((d)+7)>>3))
238 #elif DECDPUN==4
239 #define D2U(d) ((unsigned)((d)<=DECMAXD2U?d2utable[d]:((d)+3)>>2))
240 #else
241 #define D2U(d) ((d)<=DECMAXD2U?d2utable[d]:((d)+DECDPUN-1)/DECDPUN)
242 #endif
243
244 #define SD2U(d) (((d)+DECDPUN-1)/DECDPUN)
245
246
247
248 #define MSUDIGITS(d) ((d)-(D2U(d)-1)*DECDPUN)
249
250
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253
254
255 #define D2N(d) \
256 ((((SD2U(d)-1)*sizeof(Unit))+sizeof(decNumber)*2-1)/sizeof(decNumber))
257
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259
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263
264
265 #define TODIGIT(u, cut, c, pow) { \
266 *(c)='0'; \
267 pow=DECPOWERS[cut]*2; \
268 if ((u)>pow) { \
269 pow*=4; \
270 if ((u)>=pow) {(u)-=pow; *(c)+=8;} \
271 pow/=2; \
272 if ((u)>=pow) {(u)-=pow; *(c)+=4;} \
273 pow/=2; \
274 } \
275 if ((u)>=pow) {(u)-=pow; *(c)+=2;} \
276 pow/=2; \
277 if ((u)>=pow) {(u)-=pow; *(c)+=1;} \
278 }
279
280
281
282
283
284
285
286
287 typedef struct {
288 uByte *msd;
289 uByte *lsd;
290 uInt sign;
291 Int exponent;
292
293 } bcdnum;
294
295
296 #define EXPISSPECIAL(exp) ((exp)>=DECFLOAT_MinSp)
297 #define EXPISINF(exp) (exp==DECFLOAT_Inf)
298 #define EXPISNAN(exp) (exp==DECFLOAT_qNaN || exp==DECFLOAT_sNaN)
299 #define NUMISSPECIAL(num) (EXPISSPECIAL((num)->exponent))
300
301
302
303
304
305 #define DECWORDS (DECBYTES/4)
306 #define DECWWORDS (DECWBYTES/4)
307 #if DECLITEND
308 #define DFWORD(df, off) ((df)->words[DECWORDS-1-(off)])
309 #define DFBYTE(df, off) ((df)->bytes[DECBYTES-1-(off)])
310 #define DFWWORD(dfw, off) ((dfw)->words[DECWWORDS-1-(off)])
311 #else
312 #define DFWORD(df, off) ((df)->words[off])
313 #define DFBYTE(df, off) ((df)->bytes[off])
314 #define DFWWORD(dfw, off) ((dfw)->words[off])
315 #endif
316
317
318 #define DFISSIGNED(df) (DFWORD(df, 0)&0x80000000)
319 #define DFISSPECIAL(df) ((DFWORD(df, 0)&0x78000000)==0x78000000)
320 #define DFISINF(df) ((DFWORD(df, 0)&0x7c000000)==0x78000000)
321 #define DFISNAN(df) ((DFWORD(df, 0)&0x7c000000)==0x7c000000)
322 #define DFISQNAN(df) ((DFWORD(df, 0)&0x7e000000)==0x7c000000)
323 #define DFISSNAN(df) ((DFWORD(df, 0)&0x7e000000)==0x7e000000)
324
325
326 extern const uInt DECCOMBMSD[64];
327 extern const uInt DECCOMBFROM[48];
328
329
330 #if DECCHECK || DECTRACE
331 extern void decShowNum(const bcdnum *, const char *);
332 #endif
333
334
335 #if defined(DECPMAX)
336
337
338 #define DECPMAX9 (ROUNDUP(DECPMAX, 9)/9)
339
340 #define SINGLEZERO 0x22500000
341 #define DOUBLEZERO 0x22380000
342 #define QUADZERO 0x22080000
343
344
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357
358
359 #if DECPMAX==7
360 #define ZEROWORD SINGLEZERO
361
362 #define DFISZERO(df) ((DFWORD(df, 0)&0x1c0fffff)==0 \
363 && (DFWORD(df, 0)&0x60000000)!=0x60000000)
364 #elif DECPMAX==16
365 #define ZEROWORD DOUBLEZERO
366 #define DFISZERO(df) ((DFWORD(df, 1)==0 \
367 && (DFWORD(df, 0)&0x1c03ffff)==0 \
368 && (DFWORD(df, 0)&0x60000000)!=0x60000000))
369 #define DFISINT(df) ((DFWORD(df, 0)&0x63fc0000)==0x22380000 \
370 ||(DFWORD(df, 0)&0x7bfc0000)==0x6a380000)
371 #define DFISUINT01(df) ((DFWORD(df, 0)&0xfbfc0000)==0x22380000)
372 #define DFISCCZERO(df) (DFWORD(df, 1)==0 \
373 && (DFWORD(df, 0)&0x0003ffff)==0)
374 #define DFISCC01(df) ((DFWORD(df, 0)&~0xfffc9124)==0 \
375 && (DFWORD(df, 1)&~0x49124491)==0)
376 #elif DECPMAX==34
377 #define ZEROWORD QUADZERO
378 #define DFISZERO(df) ((DFWORD(df, 3)==0 \
379 && DFWORD(df, 2)==0 \
380 && DFWORD(df, 1)==0 \
381 && (DFWORD(df, 0)&0x1c003fff)==0 \
382 && (DFWORD(df, 0)&0x60000000)!=0x60000000))
383 #define DFISINT(df) ((DFWORD(df, 0)&0x63ffc000)==0x22080000 \
384 ||(DFWORD(df, 0)&0x7bffc000)==0x6a080000)
385 #define DFISUINT01(df) ((DFWORD(df, 0)&0xfbffc000)==0x22080000)
386 #define DFISCCZERO(df) (DFWORD(df, 3)==0 \
387 && DFWORD(df, 2)==0 \
388 && DFWORD(df, 1)==0 \
389 && (DFWORD(df, 0)&0x00003fff)==0)
390
391 #define DFISCC01(df) ((DFWORD(df, 0)&~0xffffc912)==0 \
392 && (DFWORD(df, 1)&~0x44912449)==0 \
393 && (DFWORD(df, 2)&~0x12449124)==0 \
394 && (DFWORD(df, 3)&~0x49124491)==0)
395 #endif
396
397
398
399
400 #define CANONDPD(dpd) (((dpd)&0x300)==0 || ((dpd)&0x6e)!=0x6e)
401
402 #define CANONDPDOFF(dpd, k) (((dpd)&(0x300<<(k)))==0 \
403 || ((dpd)&(((uInt)0x6e)<<(k)))!=(((uInt)0x6e)<<(k)))
404
405
406 #define CANONDPDTWO(hi, lo, k) (((hi)&(0x300>>(32-(k))))==0 \
407 || ((hi)&(0x6e>>(32-(k))))!=(0x6e>>(32-(k))) \
408 || ((lo)&(((uInt)0x6e)<<(k)))!=(((uInt)0x6e)<<(k)))
409
410
411
412
413 #if DECPMAX==7
414 #define ISCOEFFZERO(u) (UINTAT((u)+DECPMAX-4)==0 \
415 && UINTAT((u)+DECPMAX-7)==0)
416 #elif DECPMAX==16
417 #define ISCOEFFZERO(u) (UINTAT((u)+DECPMAX-4)==0 \
418 && (UINTAT((u)+DECPMAX-8)+UINTAT((u)+DECPMAX-12) \
419 +UINTAT((u)+DECPMAX-16))==0)
420 #elif DECPMAX==34
421 #define ISCOEFFZERO(u) (UINTAT((u)+DECPMAX-4)==0 \
422 && (UINTAT((u)+DECPMAX-8) +UINTAT((u)+DECPMAX-12) \
423 +UINTAT((u)+DECPMAX-16)+UINTAT((u)+DECPMAX-20) \
424 +UINTAT((u)+DECPMAX-24)+UINTAT((u)+DECPMAX-28) \
425 +UINTAT((u)+DECPMAX-32)+USHORTAT((u)+DECPMAX-34))==0)
426 #endif
427
428
429
430 #define GETECON(df) ((Int)((DFWORD((df), 0)&0x03ffffff)>>(32-6-DECECONL)))
431
432 #define GETWECON(df) ((Int)((DFWWORD((df), 0)&0x03ffffff)>>(32-6-DECWECONL)))
433
434 #define GETEXP(df) ((Int)(DECCOMBEXP[DFWORD((df), 0)>>26]+GETECON(df)))
435
436 #define GETEXPUN(df) ((Int)GETEXP(df)-DECBIAS)
437
438 #define GETMSD(df) (DECCOMBMSD[DFWORD((df), 0)>>26])
439
440
441
442 #define ECONMASK ((0x03ffffff>>(32-6-DECECONL))<<(32-6-DECECONL))
443
444 #define ECONNANMASK ((0x01ffffff>>(32-6-DECECONL))<<(32-6-DECECONL))
445
446
447
448
449
450
451
452
453
454 #define dpd2bcd8(u, dpd) { \
455 UINTAT(u)=UINTAT(&DPD2BCD8[((dpd)&0x3ff)*4]);}
456
457 #define dpd2bcd83(u, dpd) { \
458 *(u)=DPD2BCD8[((dpd)&0x3ff)*4]; \
459 *(u+1)=DPD2BCD8[((dpd)&0x3ff)*4+1]; \
460 *(u+2)=DPD2BCD8[((dpd)&0x3ff)*4+2];}
461
462
463
464
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468
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472
473
474
475
476 #if DECPMAX==7
477 #define GETCOEFF(df, bcd) { \
478 uInt sourhi=DFWORD(df, 0); \
479 *(bcd)=(uByte)DECCOMBMSD[sourhi>>26]; \
480 dpd2bcd8(bcd+1, sourhi>>10); \
481 dpd2bcd83(bcd+4, sourhi);}
482 #define GETWCOEFF(df, bcd) { \
483 uInt sourhi=DFWWORD(df, 0); \
484 uInt sourlo=DFWWORD(df, 1); \
485 *(bcd)=(uByte)DECCOMBMSD[sourhi>>26]; \
486 dpd2bcd8(bcd+1, sourhi>>8); \
487 dpd2bcd8(bcd+4, (sourhi<<2) | (sourlo>>30)); \
488 dpd2bcd8(bcd+7, sourlo>>20); \
489 dpd2bcd8(bcd+10, sourlo>>10); \
490 dpd2bcd83(bcd+13, sourlo);}
491
492 #elif DECPMAX==16
493 #define GETCOEFF(df, bcd) { \
494 uInt sourhi=DFWORD(df, 0); \
495 uInt sourlo=DFWORD(df, 1); \
496 *(bcd)=(uByte)DECCOMBMSD[sourhi>>26]; \
497 dpd2bcd8(bcd+1, sourhi>>8); \
498 dpd2bcd8(bcd+4, (sourhi<<2) | (sourlo>>30)); \
499 dpd2bcd8(bcd+7, sourlo>>20); \
500 dpd2bcd8(bcd+10, sourlo>>10); \
501 dpd2bcd83(bcd+13, sourlo);}
502 #define GETWCOEFF(df, bcd) { \
503 uInt sourhi=DFWWORD(df, 0); \
504 uInt sourmh=DFWWORD(df, 1); \
505 uInt sourml=DFWWORD(df, 2); \
506 uInt sourlo=DFWWORD(df, 3); \
507 *(bcd)=(uByte)DECCOMBMSD[sourhi>>26]; \
508 dpd2bcd8(bcd+1, sourhi>>4); \
509 dpd2bcd8(bcd+4, ((sourhi)<<6) | (sourmh>>26)); \
510 dpd2bcd8(bcd+7, sourmh>>16); \
511 dpd2bcd8(bcd+10, sourmh>>6); \
512 dpd2bcd8(bcd+13, ((sourmh)<<4) | (sourml>>28)); \
513 dpd2bcd8(bcd+16, sourml>>18); \
514 dpd2bcd8(bcd+19, sourml>>8); \
515 dpd2bcd8(bcd+22, ((sourml)<<2) | (sourlo>>30)); \
516 dpd2bcd8(bcd+25, sourlo>>20); \
517 dpd2bcd8(bcd+28, sourlo>>10); \
518 dpd2bcd83(bcd+31, sourlo);}
519
520 #elif DECPMAX==34
521 #define GETCOEFF(df, bcd) { \
522 uInt sourhi=DFWORD(df, 0); \
523 uInt sourmh=DFWORD(df, 1); \
524 uInt sourml=DFWORD(df, 2); \
525 uInt sourlo=DFWORD(df, 3); \
526 *(bcd)=(uByte)DECCOMBMSD[sourhi>>26]; \
527 dpd2bcd8(bcd+1, sourhi>>4); \
528 dpd2bcd8(bcd+4, ((sourhi)<<6) | (sourmh>>26)); \
529 dpd2bcd8(bcd+7, sourmh>>16); \
530 dpd2bcd8(bcd+10, sourmh>>6); \
531 dpd2bcd8(bcd+13, ((sourmh)<<4) | (sourml>>28)); \
532 dpd2bcd8(bcd+16, sourml>>18); \
533 dpd2bcd8(bcd+19, sourml>>8); \
534 dpd2bcd8(bcd+22, ((sourml)<<2) | (sourlo>>30)); \
535 dpd2bcd8(bcd+25, sourlo>>20); \
536 dpd2bcd8(bcd+28, sourlo>>10); \
537 dpd2bcd83(bcd+31, sourlo);}
538
539 #define GETWCOEFF(df, bcd) {??}
540 #endif
541
542
543
544
545
546
547
548
549
550
551
552 #define DPD2BIN0 DPD2BIN
553
554 #if DECPMAX==7
555 #define GETCOEFFBILL(df, buf) { \
556 uInt sourhi=DFWORD(df, 0); \
557 (buf)[0]=DPD2BIN0[sourhi&0x3ff] \
558 +DPD2BINK[(sourhi>>10)&0x3ff] \
559 +DPD2BINM[DECCOMBMSD[sourhi>>26]];}
560
561 #elif DECPMAX==16
562 #define GETCOEFFBILL(df, buf) { \
563 uInt sourhi, sourlo; \
564 sourlo=DFWORD(df, 1); \
565 (buf)[0]=DPD2BIN0[sourlo&0x3ff] \
566 +DPD2BINK[(sourlo>>10)&0x3ff] \
567 +DPD2BINM[(sourlo>>20)&0x3ff]; \
568 sourhi=DFWORD(df, 0); \
569 (buf)[1]=DPD2BIN0[((sourhi<<2) | (sourlo>>30))&0x3ff] \
570 +DPD2BINK[(sourhi>>8)&0x3ff] \
571 +DPD2BINM[DECCOMBMSD[sourhi>>26]];}
572
573 #elif DECPMAX==34
574 #define GETCOEFFBILL(df, buf) { \
575 uInt sourhi, sourmh, sourml, sourlo; \
576 sourlo=DFWORD(df, 3); \
577 (buf)[0]=DPD2BIN0[sourlo&0x3ff] \
578 +DPD2BINK[(sourlo>>10)&0x3ff] \
579 +DPD2BINM[(sourlo>>20)&0x3ff]; \
580 sourml=DFWORD(df, 2); \
581 (buf)[1]=DPD2BIN0[((sourml<<2) | (sourlo>>30))&0x3ff] \
582 +DPD2BINK[(sourml>>8)&0x3ff] \
583 +DPD2BINM[(sourml>>18)&0x3ff]; \
584 sourmh=DFWORD(df, 1); \
585 (buf)[2]=DPD2BIN0[((sourmh<<4) | (sourml>>28))&0x3ff] \
586 +DPD2BINK[(sourmh>>6)&0x3ff] \
587 +DPD2BINM[(sourmh>>16)&0x3ff]; \
588 sourhi=DFWORD(df, 0); \
589 (buf)[3]=DPD2BIN0[((sourhi<<6) | (sourmh>>26))&0x3ff] \
590 +DPD2BINK[(sourhi>>4)&0x3ff] \
591 +DPD2BINM[DECCOMBMSD[sourhi>>26]];}
592
593 #endif
594
595
596
597
598
599
600
601 #if DECPMAX==7
602 #define GETCOEFFTHOU(df, buf) { \
603 uInt sourhi=DFWORD(df, 0); \
604 (buf)[0]=DPD2BIN[sourhi&0x3ff]; \
605 (buf)[1]=DPD2BIN[(sourhi>>10)&0x3ff]; \
606 (buf)[2]=DECCOMBMSD[sourhi>>26];}
607
608 #elif DECPMAX==16
609 #define GETCOEFFTHOU(df, buf) { \
610 uInt sourhi, sourlo; \
611 sourlo=DFWORD(df, 1); \
612 (buf)[0]=DPD2BIN[sourlo&0x3ff]; \
613 (buf)[1]=DPD2BIN[(sourlo>>10)&0x3ff]; \
614 (buf)[2]=DPD2BIN[(sourlo>>20)&0x3ff]; \
615 sourhi=DFWORD(df, 0); \
616 (buf)[3]=DPD2BIN[((sourhi<<2) | (sourlo>>30))&0x3ff]; \
617 (buf)[4]=DPD2BIN[(sourhi>>8)&0x3ff]; \
618 (buf)[5]=DECCOMBMSD[sourhi>>26];}
619
620 #elif DECPMAX==34
621 #define GETCOEFFTHOU(df, buf) { \
622 uInt sourhi, sourmh, sourml, sourlo; \
623 sourlo=DFWORD(df, 3); \
624 (buf)[0]=DPD2BIN[sourlo&0x3ff]; \
625 (buf)[1]=DPD2BIN[(sourlo>>10)&0x3ff]; \
626 (buf)[2]=DPD2BIN[(sourlo>>20)&0x3ff]; \
627 sourml=DFWORD(df, 2); \
628 (buf)[3]=DPD2BIN[((sourml<<2) | (sourlo>>30))&0x3ff]; \
629 (buf)[4]=DPD2BIN[(sourml>>8)&0x3ff]; \
630 (buf)[5]=DPD2BIN[(sourml>>18)&0x3ff]; \
631 sourmh=DFWORD(df, 1); \
632 (buf)[6]=DPD2BIN[((sourmh<<4) | (sourml>>28))&0x3ff]; \
633 (buf)[7]=DPD2BIN[(sourmh>>6)&0x3ff]; \
634 (buf)[8]=DPD2BIN[(sourmh>>16)&0x3ff]; \
635 sourhi=DFWORD(df, 0); \
636 (buf)[9]=DPD2BIN[((sourhi<<6) | (sourmh>>26))&0x3ff]; \
637 (buf)[10]=DPD2BIN[(sourhi>>4)&0x3ff]; \
638 (buf)[11]=DECCOMBMSD[sourhi>>26];}
639
640 #endif
641
642
643 #if DECPMAX==7
644 #define DFSETNMAX(df) \
645 {DFWORD(df, 0)=0x77f3fcff;}
646 #elif DECPMAX==16
647 #define DFSETNMAX(df) \
648 {DFWORD(df, 0)=0x77fcff3f; \
649 DFWORD(df, 1)=0xcff3fcff;}
650 #elif DECPMAX==34
651 #define DFSETNMAX(df) \
652 {DFWORD(df, 0)=0x77ffcff3; \
653 DFWORD(df, 1)=0xfcff3fcf; \
654 DFWORD(df, 2)=0xf3fcff3f; \
655 DFWORD(df, 3)=0xcff3fcff;}
656 #endif
657
658
659 #endif
660
661#else
662 #error decNumberLocal included more than once
663#endif
664