1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
|
------------------------------------------------------------------------
-- dqMultiply.decTest -- decQuad multiplication --
-- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. --
------------------------------------------------------------------------
-- Please see the document "General Decimal Arithmetic Testcases" --
-- at http://www2.hursley.ibm.com/decimal for the description of --
-- these testcases. --
-- --
-- These testcases are experimental ('beta' versions), and they --
-- may contain errors. They are offered on an as-is basis. In --
-- particular, achieving the same results as the tests here is not --
-- a guarantee that an implementation complies with any Standard --
-- or specification. The tests are not exhaustive. --
-- --
-- Please send comments, suggestions, and corrections to the author: --
-- Mike Cowlishaw, IBM Fellow --
-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
-- mfc@uk.ibm.com --
------------------------------------------------------------------------
version: 2.59
-- This set of tests are for decQuads only; all arguments are
-- representable in a decQuad
extended: 1
clamp: 1
precision: 34
maxExponent: 6144
minExponent: -6143
rounding: half_even
-- sanity checks
dqmul000 multiply 2 2 -> 4
dqmul001 multiply 2 3 -> 6
dqmul002 multiply 5 1 -> 5
dqmul003 multiply 5 2 -> 10
dqmul004 multiply 1.20 2 -> 2.40
dqmul005 multiply 1.20 0 -> 0.00
dqmul006 multiply 1.20 -2 -> -2.40
dqmul007 multiply -1.20 2 -> -2.40
dqmul008 multiply -1.20 0 -> -0.00
dqmul009 multiply -1.20 -2 -> 2.40
dqmul010 multiply 5.09 7.1 -> 36.139
dqmul011 multiply 2.5 4 -> 10.0
dqmul012 multiply 2.50 4 -> 10.00
dqmul013 multiply 1.23456789 1.0000000000000000000000000000 -> 1.234567890000000000000000000000000 Rounded
dqmul015 multiply 2.50 4 -> 10.00
dqmul016 multiply 9.99999999999999999 9.99999999999999999 -> 99.99999999999999980000000000000000 Inexact Rounded
dqmul017 multiply 9.99999999999999999 -9.99999999999999999 -> -99.99999999999999980000000000000000 Inexact Rounded
dqmul018 multiply -9.99999999999999999 9.99999999999999999 -> -99.99999999999999980000000000000000 Inexact Rounded
dqmul019 multiply -9.99999999999999999 -9.99999999999999999 -> 99.99999999999999980000000000000000 Inexact Rounded
-- zeros, etc.
dqmul021 multiply 0 0 -> 0
dqmul022 multiply 0 -0 -> -0
dqmul023 multiply -0 0 -> -0
dqmul024 multiply -0 -0 -> 0
dqmul025 multiply -0.0 -0.0 -> 0.00
dqmul026 multiply -0.0 -0.0 -> 0.00
dqmul027 multiply -0.0 -0.0 -> 0.00
dqmul028 multiply -0.0 -0.0 -> 0.00
dqmul030 multiply 5.00 1E-3 -> 0.00500
dqmul031 multiply 00.00 0.000 -> 0.00000
dqmul032 multiply 00.00 0E-3 -> 0.00000 -- rhs is 0
dqmul033 multiply 0E-3 00.00 -> 0.00000 -- lhs is 0
dqmul034 multiply -5.00 1E-3 -> -0.00500
dqmul035 multiply -00.00 0.000 -> -0.00000
dqmul036 multiply -00.00 0E-3 -> -0.00000 -- rhs is 0
dqmul037 multiply -0E-3 00.00 -> -0.00000 -- lhs is 0
dqmul038 multiply 5.00 -1E-3 -> -0.00500
dqmul039 multiply 00.00 -0.000 -> -0.00000
dqmul040 multiply 00.00 -0E-3 -> -0.00000 -- rhs is 0
dqmul041 multiply 0E-3 -00.00 -> -0.00000 -- lhs is 0
dqmul042 multiply -5.00 -1E-3 -> 0.00500
dqmul043 multiply -00.00 -0.000 -> 0.00000
dqmul044 multiply -00.00 -0E-3 -> 0.00000 -- rhs is 0
dqmul045 multiply -0E-3 -00.00 -> 0.00000 -- lhs is 0
-- examples from decarith
dqmul050 multiply 1.20 3 -> 3.60
dqmul051 multiply 7 3 -> 21
dqmul052 multiply 0.9 0.8 -> 0.72
dqmul053 multiply 0.9 -0 -> -0.0
dqmul054 multiply 654321 654321 -> 428135971041
dqmul060 multiply 123.45 1e7 -> 1.2345E+9
dqmul061 multiply 123.45 1e8 -> 1.2345E+10
dqmul062 multiply 123.45 1e+9 -> 1.2345E+11
dqmul063 multiply 123.45 1e10 -> 1.2345E+12
dqmul064 multiply 123.45 1e11 -> 1.2345E+13
dqmul065 multiply 123.45 1e12 -> 1.2345E+14
dqmul066 multiply 123.45 1e13 -> 1.2345E+15
-- test some intermediate lengths
-- 1234567890123456
dqmul080 multiply 0.1 1230123456456789 -> 123012345645678.9
dqmul084 multiply 0.1 1230123456456789 -> 123012345645678.9
dqmul090 multiply 1230123456456789 0.1 -> 123012345645678.9
dqmul094 multiply 1230123456456789 0.1 -> 123012345645678.9
-- test some more edge cases and carries
dqmul101 multiply 9 9 -> 81
dqmul102 multiply 9 90 -> 810
dqmul103 multiply 9 900 -> 8100
dqmul104 multiply 9 9000 -> 81000
dqmul105 multiply 9 90000 -> 810000
dqmul106 multiply 9 900000 -> 8100000
dqmul107 multiply 9 9000000 -> 81000000
dqmul108 multiply 9 90000000 -> 810000000
dqmul109 multiply 9 900000000 -> 8100000000
dqmul110 multiply 9 9000000000 -> 81000000000
dqmul111 multiply 9 90000000000 -> 810000000000
dqmul112 multiply 9 900000000000 -> 8100000000000
dqmul113 multiply 9 9000000000000 -> 81000000000000
dqmul114 multiply 9 90000000000000 -> 810000000000000
dqmul115 multiply 9 900000000000000 -> 8100000000000000
--dqmul116 multiply 9 9000000000000000 -> 81000000000000000
--dqmul117 multiply 9 90000000000000000 -> 810000000000000000
--dqmul118 multiply 9 900000000000000000 -> 8100000000000000000
--dqmul119 multiply 9 9000000000000000000 -> 81000000000000000000
--dqmul120 multiply 9 90000000000000000000 -> 810000000000000000000
--dqmul121 multiply 9 900000000000000000000 -> 8100000000000000000000
--dqmul122 multiply 9 9000000000000000000000 -> 81000000000000000000000
--dqmul123 multiply 9 90000000000000000000000 -> 810000000000000000000000
-- test some more edge cases without carries
dqmul131 multiply 3 3 -> 9
dqmul132 multiply 3 30 -> 90
dqmul133 multiply 3 300 -> 900
dqmul134 multiply 3 3000 -> 9000
dqmul135 multiply 3 30000 -> 90000
dqmul136 multiply 3 300000 -> 900000
dqmul137 multiply 3 3000000 -> 9000000
dqmul138 multiply 3 30000000 -> 90000000
dqmul139 multiply 3 300000000 -> 900000000
dqmul140 multiply 3 3000000000 -> 9000000000
dqmul141 multiply 3 30000000000 -> 90000000000
dqmul142 multiply 3 300000000000 -> 900000000000
dqmul143 multiply 3 3000000000000 -> 9000000000000
dqmul144 multiply 3 30000000000000 -> 90000000000000
dqmul145 multiply 3 300000000000000 -> 900000000000000
dqmul146 multiply 3 3000000000000000 -> 9000000000000000
dqmul147 multiply 3 30000000000000000 -> 90000000000000000
dqmul148 multiply 3 300000000000000000 -> 900000000000000000
dqmul149 multiply 3 3000000000000000000 -> 9000000000000000000
dqmul150 multiply 3 30000000000000000000 -> 90000000000000000000
dqmul151 multiply 3 300000000000000000000 -> 900000000000000000000
dqmul152 multiply 3 3000000000000000000000 -> 9000000000000000000000
dqmul153 multiply 3 30000000000000000000000 -> 90000000000000000000000
dqmul263 multiply 30269.587755640502150977251770554 4.8046009735990873395936309640543 -> 145433.2908011933696719165119928296 Inexact Rounded
-- test some edge cases with exact rounding
dqmul301 multiply 900000000000000000 9 -> 8100000000000000000
dqmul302 multiply 900000000000000000 90 -> 81000000000000000000
dqmul303 multiply 900000000000000000 900 -> 810000000000000000000
dqmul304 multiply 900000000000000000 9000 -> 8100000000000000000000
dqmul305 multiply 900000000000000000 90000 -> 81000000000000000000000
dqmul306 multiply 900000000000000000 900000 -> 810000000000000000000000
dqmul307 multiply 900000000000000000 9000000 -> 8100000000000000000000000
dqmul308 multiply 900000000000000000 90000000 -> 81000000000000000000000000
dqmul309 multiply 900000000000000000 900000000 -> 810000000000000000000000000
dqmul310 multiply 900000000000000000 9000000000 -> 8100000000000000000000000000
dqmul311 multiply 900000000000000000 90000000000 -> 81000000000000000000000000000
dqmul312 multiply 900000000000000000 900000000000 -> 810000000000000000000000000000
dqmul313 multiply 900000000000000000 9000000000000 -> 8100000000000000000000000000000
dqmul314 multiply 900000000000000000 90000000000000 -> 81000000000000000000000000000000
dqmul315 multiply 900000000000000000 900000000000000 -> 810000000000000000000000000000000
dqmul316 multiply 900000000000000000 9000000000000000 -> 8100000000000000000000000000000000
dqmul317 multiply 9000000000000000000 9000000000000000 -> 8.100000000000000000000000000000000E+34 Rounded
dqmul318 multiply 90000000000000000000 9000000000000000 -> 8.100000000000000000000000000000000E+35 Rounded
dqmul319 multiply 900000000000000000000 9000000000000000 -> 8.100000000000000000000000000000000E+36 Rounded
dqmul320 multiply 9000000000000000000000 9000000000000000 -> 8.100000000000000000000000000000000E+37 Rounded
dqmul321 multiply 90000000000000000000000 9000000000000000 -> 8.100000000000000000000000000000000E+38 Rounded
dqmul322 multiply 900000000000000000000000 9000000000000000 -> 8.100000000000000000000000000000000E+39 Rounded
dqmul323 multiply 9000000000000000000000000 9000000000000000 -> 8.100000000000000000000000000000000E+40 Rounded
-- tryzeros cases
dqmul504 multiply 0E-4260 1000E-4260 -> 0E-6176 Clamped
dqmul505 multiply 100E+4260 0E+4260 -> 0E+6111 Clamped
-- mixed with zeros
dqmul541 multiply 0 -1 -> -0
dqmul542 multiply -0 -1 -> 0
dqmul543 multiply 0 1 -> 0
dqmul544 multiply -0 1 -> -0
dqmul545 multiply -1 0 -> -0
dqmul546 multiply -1 -0 -> 0
dqmul547 multiply 1 0 -> 0
dqmul548 multiply 1 -0 -> -0
dqmul551 multiply 0.0 -1 -> -0.0
dqmul552 multiply -0.0 -1 -> 0.0
dqmul553 multiply 0.0 1 -> 0.0
dqmul554 multiply -0.0 1 -> -0.0
dqmul555 multiply -1.0 0 -> -0.0
dqmul556 multiply -1.0 -0 -> 0.0
dqmul557 multiply 1.0 0 -> 0.0
dqmul558 multiply 1.0 -0 -> -0.0
dqmul561 multiply 0 -1.0 -> -0.0
dqmul562 multiply -0 -1.0 -> 0.0
dqmul563 multiply 0 1.0 -> 0.0
dqmul564 multiply -0 1.0 -> -0.0
dqmul565 multiply -1 0.0 -> -0.0
dqmul566 multiply -1 -0.0 -> 0.0
dqmul567 multiply 1 0.0 -> 0.0
dqmul568 multiply 1 -0.0 -> -0.0
dqmul571 multiply 0.0 -1.0 -> -0.00
dqmul572 multiply -0.0 -1.0 -> 0.00
dqmul573 multiply 0.0 1.0 -> 0.00
dqmul574 multiply -0.0 1.0 -> -0.00
dqmul575 multiply -1.0 0.0 -> -0.00
dqmul576 multiply -1.0 -0.0 -> 0.00
dqmul577 multiply 1.0 0.0 -> 0.00
dqmul578 multiply 1.0 -0.0 -> -0.00
-- Specials
dqmul580 multiply Inf -Inf -> -Infinity
dqmul581 multiply Inf -1000 -> -Infinity
dqmul582 multiply Inf -1 -> -Infinity
dqmul583 multiply Inf -0 -> NaN Invalid_operation
dqmul584 multiply Inf 0 -> NaN Invalid_operation
dqmul585 multiply Inf 1 -> Infinity
dqmul586 multiply Inf 1000 -> Infinity
dqmul587 multiply Inf Inf -> Infinity
dqmul588 multiply -1000 Inf -> -Infinity
dqmul589 multiply -Inf Inf -> -Infinity
dqmul590 multiply -1 Inf -> -Infinity
dqmul591 multiply -0 Inf -> NaN Invalid_operation
dqmul592 multiply 0 Inf -> NaN Invalid_operation
dqmul593 multiply 1 Inf -> Infinity
dqmul594 multiply 1000 Inf -> Infinity
dqmul595 multiply Inf Inf -> Infinity
dqmul600 multiply -Inf -Inf -> Infinity
dqmul601 multiply -Inf -1000 -> Infinity
dqmul602 multiply -Inf -1 -> Infinity
dqmul603 multiply -Inf -0 -> NaN Invalid_operation
dqmul604 multiply -Inf 0 -> NaN Invalid_operation
dqmul605 multiply -Inf 1 -> -Infinity
dqmul606 multiply -Inf 1000 -> -Infinity
dqmul607 multiply -Inf Inf -> -Infinity
dqmul608 multiply -1000 Inf -> -Infinity
dqmul609 multiply -Inf -Inf -> Infinity
dqmul610 multiply -1 -Inf -> Infinity
dqmul611 multiply -0 -Inf -> NaN Invalid_operation
dqmul612 multiply 0 -Inf -> NaN Invalid_operation
dqmul613 multiply 1 -Inf -> -Infinity
dqmul614 multiply 1000 -Inf -> -Infinity
dqmul615 multiply Inf -Inf -> -Infinity
dqmul621 multiply NaN -Inf -> NaN
dqmul622 multiply NaN -1000 -> NaN
dqmul623 multiply NaN -1 -> NaN
dqmul624 multiply NaN -0 -> NaN
dqmul625 multiply NaN 0 -> NaN
dqmul626 multiply NaN 1 -> NaN
dqmul627 multiply NaN 1000 -> NaN
dqmul628 multiply NaN Inf -> NaN
dqmul629 multiply NaN NaN -> NaN
dqmul630 multiply -Inf NaN -> NaN
dqmul631 multiply -1000 NaN -> NaN
dqmul632 multiply -1 NaN -> NaN
dqmul633 multiply -0 NaN -> NaN
dqmul634 multiply 0 NaN -> NaN
dqmul635 multiply 1 NaN -> NaN
dqmul636 multiply 1000 NaN -> NaN
dqmul637 multiply Inf NaN -> NaN
dqmul641 multiply sNaN -Inf -> NaN Invalid_operation
dqmul642 multiply sNaN -1000 -> NaN Invalid_operation
dqmul643 multiply sNaN -1 -> NaN Invalid_operation
dqmul644 multiply sNaN -0 -> NaN Invalid_operation
dqmul645 multiply sNaN 0 -> NaN Invalid_operation
dqmul646 multiply sNaN 1 -> NaN Invalid_operation
dqmul647 multiply sNaN 1000 -> NaN Invalid_operation
dqmul648 multiply sNaN NaN -> NaN Invalid_operation
dqmul649 multiply sNaN sNaN -> NaN Invalid_operation
dqmul650 multiply NaN sNaN -> NaN Invalid_operation
dqmul651 multiply -Inf sNaN -> NaN Invalid_operation
dqmul652 multiply -1000 sNaN -> NaN Invalid_operation
dqmul653 multiply -1 sNaN -> NaN Invalid_operation
dqmul654 multiply -0 sNaN -> NaN Invalid_operation
dqmul655 multiply 0 sNaN -> NaN Invalid_operation
dqmul656 multiply 1 sNaN -> NaN Invalid_operation
dqmul657 multiply 1000 sNaN -> NaN Invalid_operation
dqmul658 multiply Inf sNaN -> NaN Invalid_operation
dqmul659 multiply NaN sNaN -> NaN Invalid_operation
-- propagating NaNs
dqmul661 multiply NaN9 -Inf -> NaN9
dqmul662 multiply NaN8 999 -> NaN8
dqmul663 multiply NaN71 Inf -> NaN71
dqmul664 multiply NaN6 NaN5 -> NaN6
dqmul665 multiply -Inf NaN4 -> NaN4
dqmul666 multiply -999 NaN33 -> NaN33
dqmul667 multiply Inf NaN2 -> NaN2
dqmul671 multiply sNaN99 -Inf -> NaN99 Invalid_operation
dqmul672 multiply sNaN98 -11 -> NaN98 Invalid_operation
dqmul673 multiply sNaN97 NaN -> NaN97 Invalid_operation
dqmul674 multiply sNaN16 sNaN94 -> NaN16 Invalid_operation
dqmul675 multiply NaN95 sNaN93 -> NaN93 Invalid_operation
dqmul676 multiply -Inf sNaN92 -> NaN92 Invalid_operation
dqmul677 multiply 088 sNaN91 -> NaN91 Invalid_operation
dqmul678 multiply Inf sNaN90 -> NaN90 Invalid_operation
dqmul679 multiply NaN sNaN89 -> NaN89 Invalid_operation
dqmul681 multiply -NaN9 -Inf -> -NaN9
dqmul682 multiply -NaN8 999 -> -NaN8
dqmul683 multiply -NaN71 Inf -> -NaN71
dqmul684 multiply -NaN6 -NaN5 -> -NaN6
dqmul685 multiply -Inf -NaN4 -> -NaN4
dqmul686 multiply -999 -NaN33 -> -NaN33
dqmul687 multiply Inf -NaN2 -> -NaN2
dqmul691 multiply -sNaN99 -Inf -> -NaN99 Invalid_operation
dqmul692 multiply -sNaN98 -11 -> -NaN98 Invalid_operation
dqmul693 multiply -sNaN97 NaN -> -NaN97 Invalid_operation
dqmul694 multiply -sNaN16 -sNaN94 -> -NaN16 Invalid_operation
dqmul695 multiply -NaN95 -sNaN93 -> -NaN93 Invalid_operation
dqmul696 multiply -Inf -sNaN92 -> -NaN92 Invalid_operation
dqmul697 multiply 088 -sNaN91 -> -NaN91 Invalid_operation
dqmul698 multiply Inf -sNaN90 -> -NaN90 Invalid_operation
dqmul699 multiply -NaN -sNaN89 -> -NaN89 Invalid_operation
dqmul701 multiply -NaN -Inf -> -NaN
dqmul702 multiply -NaN 999 -> -NaN
dqmul703 multiply -NaN Inf -> -NaN
dqmul704 multiply -NaN -NaN -> -NaN
dqmul705 multiply -Inf -NaN0 -> -NaN
dqmul706 multiply -999 -NaN -> -NaN
dqmul707 multiply Inf -NaN -> -NaN
dqmul711 multiply -sNaN -Inf -> -NaN Invalid_operation
dqmul712 multiply -sNaN -11 -> -NaN Invalid_operation
dqmul713 multiply -sNaN00 NaN -> -NaN Invalid_operation
dqmul714 multiply -sNaN -sNaN -> -NaN Invalid_operation
dqmul715 multiply -NaN -sNaN -> -NaN Invalid_operation
dqmul716 multiply -Inf -sNaN -> -NaN Invalid_operation
dqmul717 multiply 088 -sNaN -> -NaN Invalid_operation
dqmul718 multiply Inf -sNaN -> -NaN Invalid_operation
dqmul719 multiply -NaN -sNaN -> -NaN Invalid_operation
-- overflow and underflow tests .. note subnormal results
-- signs
dqmul751 multiply 1e+4277 1e+3311 -> Infinity Overflow Inexact Rounded
dqmul752 multiply 1e+4277 -1e+3311 -> -Infinity Overflow Inexact Rounded
dqmul753 multiply -1e+4277 1e+3311 -> -Infinity Overflow Inexact Rounded
dqmul754 multiply -1e+4277 -1e+3311 -> Infinity Overflow Inexact Rounded
dqmul755 multiply 1e-4277 1e-3311 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped
dqmul756 multiply 1e-4277 -1e-3311 -> -0E-6176 Underflow Subnormal Inexact Rounded Clamped
dqmul757 multiply -1e-4277 1e-3311 -> -0E-6176 Underflow Subnormal Inexact Rounded Clamped
dqmul758 multiply -1e-4277 -1e-3311 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped
-- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
dqmul760 multiply 1e-6069 1e-101 -> 1E-6170 Subnormal
dqmul761 multiply 1e-6069 1e-102 -> 1E-6171 Subnormal
dqmul762 multiply 1e-6069 1e-103 -> 1E-6172 Subnormal
dqmul763 multiply 1e-6069 1e-104 -> 1E-6173 Subnormal
dqmul764 multiply 1e-6069 1e-105 -> 1E-6174 Subnormal
dqmul765 multiply 1e-6069 1e-106 -> 1E-6175 Subnormal
dqmul766 multiply 1e-6069 1e-107 -> 1E-6176 Subnormal
dqmul767 multiply 1e-6069 1e-108 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped
dqmul768 multiply 1e-6069 1e-109 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped
dqmul769 multiply 1e-6069 1e-110 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped
-- [no equivalent of 'subnormal' for overflow]
dqmul770 multiply 1e+40 1e+6101 -> 1.000000000000000000000000000000E+6141 Clamped
dqmul771 multiply 1e+40 1e+6102 -> 1.0000000000000000000000000000000E+6142 Clamped
dqmul772 multiply 1e+40 1e+6103 -> 1.00000000000000000000000000000000E+6143 Clamped
dqmul773 multiply 1e+40 1e+6104 -> 1.000000000000000000000000000000000E+6144 Clamped
dqmul774 multiply 1e+40 1e+6105 -> Infinity Overflow Inexact Rounded
dqmul775 multiply 1e+40 1e+6106 -> Infinity Overflow Inexact Rounded
dqmul776 multiply 1e+40 1e+6107 -> Infinity Overflow Inexact Rounded
dqmul777 multiply 1e+40 1e+6108 -> Infinity Overflow Inexact Rounded
dqmul778 multiply 1e+40 1e+6109 -> Infinity Overflow Inexact Rounded
dqmul779 multiply 1e+40 1e+6110 -> Infinity Overflow Inexact Rounded
dqmul801 multiply 1.0000E-6172 1 -> 1.0000E-6172 Subnormal
dqmul802 multiply 1.000E-6172 1e-1 -> 1.000E-6173 Subnormal
dqmul803 multiply 1.00E-6172 1e-2 -> 1.00E-6174 Subnormal
dqmul804 multiply 1.0E-6172 1e-3 -> 1.0E-6175 Subnormal
dqmul805 multiply 1.0E-6172 1e-4 -> 1E-6176 Subnormal Rounded
dqmul806 multiply 1.3E-6172 1e-4 -> 1E-6176 Underflow Subnormal Inexact Rounded
dqmul807 multiply 1.5E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded
dqmul808 multiply 1.7E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded
dqmul809 multiply 2.3E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded
dqmul810 multiply 2.5E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded
dqmul811 multiply 2.7E-6172 1e-4 -> 3E-6176 Underflow Subnormal Inexact Rounded
dqmul812 multiply 1.49E-6172 1e-4 -> 1E-6176 Underflow Subnormal Inexact Rounded
dqmul813 multiply 1.50E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded
dqmul814 multiply 1.51E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded
dqmul815 multiply 2.49E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded
dqmul816 multiply 2.50E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded
dqmul817 multiply 2.51E-6172 1e-4 -> 3E-6176 Underflow Subnormal Inexact Rounded
dqmul818 multiply 1E-6172 1e-4 -> 1E-6176 Subnormal
dqmul819 multiply 3E-6172 1e-5 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped
dqmul820 multiply 5E-6172 1e-5 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped
dqmul821 multiply 7E-6172 1e-5 -> 1E-6176 Underflow Subnormal Inexact Rounded
dqmul822 multiply 9E-6172 1e-5 -> 1E-6176 Underflow Subnormal Inexact Rounded
dqmul823 multiply 9.9E-6172 1e-5 -> 1E-6176 Underflow Subnormal Inexact Rounded
dqmul824 multiply 1E-6172 -1e-4 -> -1E-6176 Subnormal
dqmul825 multiply 3E-6172 -1e-5 -> -0E-6176 Underflow Subnormal Inexact Rounded Clamped
dqmul826 multiply -5E-6172 1e-5 -> -0E-6176 Underflow Subnormal Inexact Rounded Clamped
dqmul827 multiply 7E-6172 -1e-5 -> -1E-6176 Underflow Subnormal Inexact Rounded
dqmul828 multiply -9E-6172 1e-5 -> -1E-6176 Underflow Subnormal Inexact Rounded
dqmul829 multiply 9.9E-6172 -1e-5 -> -1E-6176 Underflow Subnormal Inexact Rounded
dqmul830 multiply 3.0E-6172 -1e-5 -> -0E-6176 Underflow Subnormal Inexact Rounded Clamped
dqmul831 multiply 1.0E-5977 1e-200 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped
dqmul832 multiply 1.0E-5977 1e-199 -> 1E-6176 Subnormal Rounded
dqmul833 multiply 1.0E-5977 1e-198 -> 1.0E-6175 Subnormal
dqmul834 multiply 2.0E-5977 2e-198 -> 4.0E-6175 Subnormal
dqmul835 multiply 4.0E-5977 4e-198 -> 1.60E-6174 Subnormal
dqmul836 multiply 10.0E-5977 10e-198 -> 1.000E-6173 Subnormal
dqmul837 multiply 30.0E-5977 30e-198 -> 9.000E-6173 Subnormal
dqmul838 multiply 40.0E-5982 40e-166 -> 1.6000E-6145 Subnormal
dqmul839 multiply 40.0E-5982 40e-165 -> 1.6000E-6144 Subnormal
dqmul840 multiply 40.0E-5982 40e-164 -> 1.6000E-6143
-- Long operand overflow may be a different path
dqmul870 multiply 100 9.999E+6143 -> Infinity Inexact Overflow Rounded
dqmul871 multiply 100 -9.999E+6143 -> -Infinity Inexact Overflow Rounded
dqmul872 multiply 9.999E+6143 100 -> Infinity Inexact Overflow Rounded
dqmul873 multiply -9.999E+6143 100 -> -Infinity Inexact Overflow Rounded
-- check for double-rounded subnormals
dqmul881 multiply 1.2347E-6133 1.2347E-40 -> 1.524E-6173 Inexact Rounded Subnormal Underflow
dqmul882 multiply 1.234E-6133 1.234E-40 -> 1.523E-6173 Inexact Rounded Subnormal Underflow
dqmul883 multiply 1.23E-6133 1.23E-40 -> 1.513E-6173 Inexact Rounded Subnormal Underflow
dqmul884 multiply 1.2E-6133 1.2E-40 -> 1.44E-6173 Subnormal
dqmul885 multiply 1.2E-6133 1.2E-41 -> 1.44E-6174 Subnormal
dqmul886 multiply 1.2E-6133 1.2E-42 -> 1.4E-6175 Subnormal Inexact Rounded Underflow
dqmul887 multiply 1.2E-6133 1.3E-42 -> 1.6E-6175 Subnormal Inexact Rounded Underflow
dqmul888 multiply 1.3E-6133 1.3E-42 -> 1.7E-6175 Subnormal Inexact Rounded Underflow
dqmul889 multiply 1.3E-6133 1.3E-43 -> 2E-6176 Subnormal Inexact Rounded Underflow
dqmul890 multiply 1.3E-6134 1.3E-43 -> 0E-6176 Clamped Subnormal Inexact Rounded Underflow
dqmul891 multiply 1.2345E-39 1.234E-6133 -> 1.5234E-6172 Inexact Rounded Subnormal Underflow
dqmul892 multiply 1.23456E-39 1.234E-6133 -> 1.5234E-6172 Inexact Rounded Subnormal Underflow
dqmul893 multiply 1.2345E-40 1.234E-6133 -> 1.523E-6173 Inexact Rounded Subnormal Underflow
dqmul894 multiply 1.23456E-40 1.234E-6133 -> 1.523E-6173 Inexact Rounded Subnormal Underflow
dqmul895 multiply 1.2345E-41 1.234E-6133 -> 1.52E-6174 Inexact Rounded Subnormal Underflow
dqmul896 multiply 1.23456E-41 1.234E-6133 -> 1.52E-6174 Inexact Rounded Subnormal Underflow
-- Now explore the case where we get a normal result with Underflow
-- prove operands are exact
dqmul906 multiply 9.999999999999999999999999999999999E-6143 1 -> 9.999999999999999999999999999999999E-6143
dqmul907 multiply 1 0.09999999999999999999999999999999999 -> 0.09999999999999999999999999999999999
-- the next rounds to Nmin
dqmul908 multiply 9.999999999999999999999999999999999E-6143 0.09999999999999999999999999999999999 -> 1.000000000000000000000000000000000E-6143 Underflow Inexact Subnormal Rounded
-- hugest
dqmul909 multiply 9999999999999999999999999999999999 9999999999999999999999999999999999 -> 9.999999999999999999999999999999998E+67 Inexact Rounded
-- VG case
dqmul910 multiply 8.81125000000001349436E-1548 8.000000000000000000E-1550 -> 7.049000000000010795488000000000000E-3097 Rounded
-- Examples from SQL proposal (Krishna Kulkarni)
precision: 34
rounding: half_up
maxExponent: 6144
minExponent: -6143
dqmul911 multiply 130E-2 120E-2 -> 1.5600
dqmul912 multiply 130E-2 12E-1 -> 1.560
dqmul913 multiply 130E-2 1E0 -> 1.30
dqmul914 multiply 1E2 1E4 -> 1E+6
-- power-of-ten edge cases
dqmul1001 multiply 1 10 -> 10
dqmul1002 multiply 1 100 -> 100
dqmul1003 multiply 1 1000 -> 1000
dqmul1004 multiply 1 10000 -> 10000
dqmul1005 multiply 1 100000 -> 100000
dqmul1006 multiply 1 1000000 -> 1000000
dqmul1007 multiply 1 10000000 -> 10000000
dqmul1008 multiply 1 100000000 -> 100000000
dqmul1009 multiply 1 1000000000 -> 1000000000
dqmul1010 multiply 1 10000000000 -> 10000000000
dqmul1011 multiply 1 100000000000 -> 100000000000
dqmul1012 multiply 1 1000000000000 -> 1000000000000
dqmul1013 multiply 1 10000000000000 -> 10000000000000
dqmul1014 multiply 1 100000000000000 -> 100000000000000
dqmul1015 multiply 1 1000000000000000 -> 1000000000000000
dqmul1016 multiply 1 1000000000000000000 -> 1000000000000000000
dqmul1017 multiply 1 100000000000000000000000000 -> 100000000000000000000000000
dqmul1018 multiply 1 1000000000000000000000000000 -> 1000000000000000000000000000
dqmul1019 multiply 1 10000000000000000000000000000 -> 10000000000000000000000000000
dqmul1020 multiply 1 1000000000000000000000000000000000 -> 1000000000000000000000000000000000
dqmul1021 multiply 10 1 -> 10
dqmul1022 multiply 10 10 -> 100
dqmul1023 multiply 10 100 -> 1000
dqmul1024 multiply 10 1000 -> 10000
dqmul1025 multiply 10 10000 -> 100000
dqmul1026 multiply 10 100000 -> 1000000
dqmul1027 multiply 10 1000000 -> 10000000
dqmul1028 multiply 10 10000000 -> 100000000
dqmul1029 multiply 10 100000000 -> 1000000000
dqmul1030 multiply 10 1000000000 -> 10000000000
dqmul1031 multiply 10 10000000000 -> 100000000000
dqmul1032 multiply 10 100000000000 -> 1000000000000
dqmul1033 multiply 10 1000000000000 -> 10000000000000
dqmul1034 multiply 10 10000000000000 -> 100000000000000
dqmul1035 multiply 10 100000000000000 -> 1000000000000000
dqmul1036 multiply 10 100000000000000000 -> 1000000000000000000
dqmul1037 multiply 10 10000000000000000000000000 -> 100000000000000000000000000
dqmul1038 multiply 10 100000000000000000000000000 -> 1000000000000000000000000000
dqmul1039 multiply 10 1000000000000000000000000000 -> 10000000000000000000000000000
dqmul1040 multiply 10 100000000000000000000000000000000 -> 1000000000000000000000000000000000
dqmul1041 multiply 100 0.1 -> 10.0
dqmul1042 multiply 100 1 -> 100
dqmul1043 multiply 100 10 -> 1000
dqmul1044 multiply 100 100 -> 10000
dqmul1045 multiply 100 1000 -> 100000
dqmul1046 multiply 100 10000 -> 1000000
dqmul1047 multiply 100 100000 -> 10000000
dqmul1048 multiply 100 1000000 -> 100000000
dqmul1049 multiply 100 10000000 -> 1000000000
dqmul1050 multiply 100 100000000 -> 10000000000
dqmul1051 multiply 100 1000000000 -> 100000000000
dqmul1052 multiply 100 10000000000 -> 1000000000000
dqmul1053 multiply 100 100000000000 -> 10000000000000
dqmul1054 multiply 100 1000000000000 -> 100000000000000
dqmul1055 multiply 100 10000000000000 -> 1000000000000000
dqmul1056 multiply 100 10000000000000000 -> 1000000000000000000
dqmul1057 multiply 100 1000000000000000000000000 -> 100000000000000000000000000
dqmul1058 multiply 100 10000000000000000000000000 -> 1000000000000000000000000000
dqmul1059 multiply 100 100000000000000000000000000 -> 10000000000000000000000000000
dqmul1060 multiply 100 10000000000000000000000000000000 -> 1000000000000000000000000000000000
dqmul1061 multiply 1000 0.01 -> 10.00
dqmul1062 multiply 1000 0.1 -> 100.0
dqmul1063 multiply 1000 1 -> 1000
dqmul1064 multiply 1000 10 -> 10000
dqmul1065 multiply 1000 100 -> 100000
dqmul1066 multiply 1000 1000 -> 1000000
dqmul1067 multiply 1000 10000 -> 10000000
dqmul1068 multiply 1000 100000 -> 100000000
dqmul1069 multiply 1000 1000000 -> 1000000000
dqmul1070 multiply 1000 10000000 -> 10000000000
dqmul1071 multiply 1000 100000000 -> 100000000000
dqmul1072 multiply 1000 1000000000 -> 1000000000000
dqmul1073 multiply 1000 10000000000 -> 10000000000000
dqmul1074 multiply 1000 100000000000 -> 100000000000000
dqmul1075 multiply 1000 1000000000000 -> 1000000000000000
dqmul1076 multiply 1000 1000000000000000 -> 1000000000000000000
dqmul1077 multiply 1000 100000000000000000000000 -> 100000000000000000000000000
dqmul1078 multiply 1000 1000000000000000000000000 -> 1000000000000000000000000000
dqmul1079 multiply 1000 10000000000000000000000000 -> 10000000000000000000000000000
dqmul1080 multiply 1000 1000000000000000000000000000000 -> 1000000000000000000000000000000000
dqmul1081 multiply 10000 0.001 -> 10.000
dqmul1082 multiply 10000 0.01 -> 100.00
dqmul1083 multiply 10000 0.1 -> 1000.0
dqmul1084 multiply 10000 1 -> 10000
dqmul1085 multiply 10000 10 -> 100000
dqmul1086 multiply 10000 100 -> 1000000
dqmul1087 multiply 10000 1000 -> 10000000
dqmul1088 multiply 10000 10000 -> 100000000
dqmul1089 multiply 10000 100000 -> 1000000000
dqmul1090 multiply 10000 1000000 -> 10000000000
dqmul1091 multiply 10000 10000000 -> 100000000000
dqmul1092 multiply 10000 100000000 -> 1000000000000
dqmul1093 multiply 10000 1000000000 -> 10000000000000
dqmul1094 multiply 10000 10000000000 -> 100000000000000
dqmul1095 multiply 10000 100000000000 -> 1000000000000000
dqmul1096 multiply 10000 100000000000000 -> 1000000000000000000
dqmul1097 multiply 10000 10000000000000000000000 -> 100000000000000000000000000
dqmul1098 multiply 10000 100000000000000000000000 -> 1000000000000000000000000000
dqmul1099 multiply 10000 1000000000000000000000000 -> 10000000000000000000000000000
dqmul1100 multiply 10000 100000000000000000000000000000 -> 1000000000000000000000000000000000
dqmul1107 multiply 10000 99999999999 -> 999999999990000
dqmul1108 multiply 10000 99999999999 -> 999999999990000
-- Null tests
dqmul9990 multiply 10 # -> NaN Invalid_operation
dqmul9991 multiply # 10 -> NaN Invalid_operation
|