summaryrefslogtreecommitdiffstats
path: root/Lib/test/decimaltestdata/ddMultiply.decTest
blob: 09097d24be5a655b9555cfb14b42dd3b37f603a9 (plain)
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
------------------------------------------------------------------------
-- ddMultiply.decTest -- decDouble 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: 2.58

-- This set of tests are for decDoubles only; all arguments are
-- representable in a decDouble
precision:   16
maxExponent: 384
minExponent: -383
extended:    1
clamp:       1
rounding:    half_even

-- sanity checks
ddmul000 multiply 2      2 -> 4
ddmul001 multiply 2      3 -> 6
ddmul002 multiply 5      1 -> 5
ddmul003 multiply 5      2 -> 10
ddmul004 multiply 1.20   2 -> 2.40
ddmul005 multiply 1.20   0 -> 0.00
ddmul006 multiply 1.20  -2 -> -2.40
ddmul007 multiply -1.20  2 -> -2.40
ddmul008 multiply -1.20  0 -> -0.00
ddmul009 multiply -1.20 -2 -> 2.40
ddmul010 multiply 5.09 7.1 -> 36.139
ddmul011 multiply 2.5    4 -> 10.0
ddmul012 multiply 2.50   4 -> 10.00
ddmul013 multiply 1.23456789 1.00000000 -> 1.234567890000000 Rounded
ddmul015 multiply 2.50   4 -> 10.00
ddmul016 multiply  9.999999999  9.999999999 ->  99.99999998000000 Inexact Rounded
ddmul017 multiply  9.999999999 -9.999999999 -> -99.99999998000000 Inexact Rounded
ddmul018 multiply -9.999999999  9.999999999 -> -99.99999998000000 Inexact Rounded
ddmul019 multiply -9.999999999 -9.999999999 ->  99.99999998000000 Inexact Rounded

-- zeros, etc.
ddmul021 multiply  0      0     ->  0
ddmul022 multiply  0     -0     -> -0
ddmul023 multiply -0      0     -> -0
ddmul024 multiply -0     -0     ->  0
ddmul025 multiply -0.0   -0.0   ->  0.00
ddmul026 multiply -0.0   -0.0   ->  0.00
ddmul027 multiply -0.0   -0.0   ->  0.00
ddmul028 multiply -0.0   -0.0   ->  0.00
ddmul030 multiply  5.00   1E-3  ->  0.00500
ddmul031 multiply  00.00  0.000 ->  0.00000
ddmul032 multiply  00.00  0E-3  ->  0.00000     -- rhs is 0
ddmul033 multiply  0E-3   00.00 ->  0.00000     -- lhs is 0
ddmul034 multiply -5.00   1E-3  -> -0.00500
ddmul035 multiply -00.00  0.000 -> -0.00000
ddmul036 multiply -00.00  0E-3  -> -0.00000     -- rhs is 0
ddmul037 multiply -0E-3   00.00 -> -0.00000     -- lhs is 0
ddmul038 multiply  5.00  -1E-3  -> -0.00500
ddmul039 multiply  00.00 -0.000 -> -0.00000
ddmul040 multiply  00.00 -0E-3  -> -0.00000     -- rhs is 0
ddmul041 multiply  0E-3  -00.00 -> -0.00000     -- lhs is 0
ddmul042 multiply -5.00  -1E-3  ->  0.00500
ddmul043 multiply -00.00 -0.000 ->  0.00000
ddmul044 multiply -00.00 -0E-3  ->  0.00000     -- rhs is 0
ddmul045 multiply -0E-3  -00.00 ->  0.00000     -- lhs is 0

-- examples from decarith
ddmul050 multiply 1.20 3        -> 3.60
ddmul051 multiply 7    3        -> 21
ddmul052 multiply 0.9  0.8      -> 0.72
ddmul053 multiply 0.9  -0       -> -0.0
ddmul054 multiply 654321 654321 -> 428135971041

ddmul060 multiply 123.45 1e7  ->  1.2345E+9
ddmul061 multiply 123.45 1e8  ->  1.2345E+10
ddmul062 multiply 123.45 1e+9 ->  1.2345E+11
ddmul063 multiply 123.45 1e10 ->  1.2345E+12
ddmul064 multiply 123.45 1e11 ->  1.2345E+13
ddmul065 multiply 123.45 1e12 ->  1.2345E+14
ddmul066 multiply 123.45 1e13 ->  1.2345E+15


-- test some intermediate lengths
--                    1234567890123456
ddmul080 multiply 0.1 1230123456456789     -> 123012345645678.9
ddmul084 multiply 0.1 1230123456456789     -> 123012345645678.9
ddmul090 multiply 1230123456456789     0.1 -> 123012345645678.9
ddmul094 multiply 1230123456456789     0.1 -> 123012345645678.9

-- test some more edge cases and carries
ddmul101 multiply 9 9   -> 81
ddmul102 multiply 9 90   -> 810
ddmul103 multiply 9 900   -> 8100
ddmul104 multiply 9 9000   -> 81000
ddmul105 multiply 9 90000   -> 810000
ddmul106 multiply 9 900000   -> 8100000
ddmul107 multiply 9 9000000   -> 81000000
ddmul108 multiply 9 90000000   -> 810000000
ddmul109 multiply 9 900000000   -> 8100000000
ddmul110 multiply 9 9000000000   -> 81000000000
ddmul111 multiply 9 90000000000   -> 810000000000
ddmul112 multiply 9 900000000000   -> 8100000000000
ddmul113 multiply 9 9000000000000   -> 81000000000000
ddmul114 multiply 9 90000000000000   -> 810000000000000
ddmul115 multiply 9 900000000000000   -> 8100000000000000
--ddmul116 multiply 9 9000000000000000   -> 81000000000000000
--ddmul117 multiply 9 90000000000000000   -> 810000000000000000
--ddmul118 multiply 9 900000000000000000   -> 8100000000000000000
--ddmul119 multiply 9 9000000000000000000   -> 81000000000000000000
--ddmul120 multiply 9 90000000000000000000   -> 810000000000000000000
--ddmul121 multiply 9 900000000000000000000   -> 8100000000000000000000
--ddmul122 multiply 9 9000000000000000000000   -> 81000000000000000000000
--ddmul123 multiply 9 90000000000000000000000   -> 810000000000000000000000
-- test some more edge cases without carries
ddmul131 multiply 3 3   -> 9
ddmul132 multiply 3 30   -> 90
ddmul133 multiply 3 300   -> 900
ddmul134 multiply 3 3000   -> 9000
ddmul135 multiply 3 30000   -> 90000
ddmul136 multiply 3 300000   -> 900000
ddmul137 multiply 3 3000000   -> 9000000
ddmul138 multiply 3 30000000   -> 90000000
ddmul139 multiply 3 300000000   -> 900000000
ddmul140 multiply 3 3000000000   -> 9000000000
ddmul141 multiply 3 30000000000   -> 90000000000
ddmul142 multiply 3 300000000000   -> 900000000000
ddmul143 multiply 3 3000000000000   -> 9000000000000
ddmul144 multiply 3 30000000000000   -> 90000000000000
ddmul145 multiply 3 300000000000000   -> 900000000000000

-- test some edge cases with exact rounding
ddmul301 multiply 9 9   -> 81
ddmul302 multiply 9 90   -> 810
ddmul303 multiply 9 900   -> 8100
ddmul304 multiply 9 9000   -> 81000
ddmul305 multiply 9 90000   -> 810000
ddmul306 multiply 9 900000   -> 8100000
ddmul307 multiply 9 9000000   -> 81000000
ddmul308 multiply 9 90000000   -> 810000000
ddmul309 multiply 9 900000000   -> 8100000000
ddmul310 multiply 9 9000000000   -> 81000000000
ddmul311 multiply 9 90000000000   -> 810000000000
ddmul312 multiply 9 900000000000   -> 8100000000000
ddmul313 multiply 9 9000000000000   -> 81000000000000
ddmul314 multiply 9 90000000000000   -> 810000000000000
ddmul315 multiply 9 900000000000000   -> 8100000000000000
ddmul316 multiply 9 9000000000000000   -> 8.100000000000000E+16  Rounded
ddmul317 multiply 90 9000000000000000   -> 8.100000000000000E+17  Rounded
ddmul318 multiply 900 9000000000000000   -> 8.100000000000000E+18  Rounded
ddmul319 multiply 9000 9000000000000000   -> 8.100000000000000E+19  Rounded
ddmul320 multiply 90000 9000000000000000   -> 8.100000000000000E+20  Rounded
ddmul321 multiply 900000 9000000000000000   -> 8.100000000000000E+21  Rounded
ddmul322 multiply 9000000 9000000000000000   -> 8.100000000000000E+22  Rounded
ddmul323 multiply 90000000 9000000000000000   -> 8.100000000000000E+23  Rounded

-- tryzeros cases
ddmul504  multiply  0E-260 1000E-260  -> 0E-398 Clamped
ddmul505  multiply  100E+260 0E+260   -> 0E+369 Clamped
-- 65K-1 case
ddmul506 multiply 77.1 850 -> 65535.0

-- mixed with zeros
ddmul541 multiply  0    -1     -> -0
ddmul542 multiply -0    -1     ->  0
ddmul543 multiply  0     1     ->  0
ddmul544 multiply -0     1     -> -0
ddmul545 multiply -1     0     -> -0
ddmul546 multiply -1    -0     ->  0
ddmul547 multiply  1     0     ->  0
ddmul548 multiply  1    -0     -> -0

ddmul551 multiply  0.0  -1     -> -0.0
ddmul552 multiply -0.0  -1     ->  0.0
ddmul553 multiply  0.0   1     ->  0.0
ddmul554 multiply -0.0   1     -> -0.0
ddmul555 multiply -1.0   0     -> -0.0
ddmul556 multiply -1.0  -0     ->  0.0
ddmul557 multiply  1.0   0     ->  0.0
ddmul558 multiply  1.0  -0     -> -0.0

ddmul561 multiply  0    -1.0   -> -0.0
ddmul562 multiply -0    -1.0   ->  0.0
ddmul563 multiply  0     1.0   ->  0.0
ddmul564 multiply -0     1.0   -> -0.0
ddmul565 multiply -1     0.0   -> -0.0
ddmul566 multiply -1    -0.0   ->  0.0
ddmul567 multiply  1     0.0   ->  0.0
ddmul568 multiply  1    -0.0   -> -0.0

ddmul571 multiply  0.0  -1.0   -> -0.00
ddmul572 multiply -0.0  -1.0   ->  0.00
ddmul573 multiply  0.0   1.0   ->  0.00
ddmul574 multiply -0.0   1.0   -> -0.00
ddmul575 multiply -1.0   0.0   -> -0.00
ddmul576 multiply -1.0  -0.0   ->  0.00
ddmul577 multiply  1.0   0.0   ->  0.00
ddmul578 multiply  1.0  -0.0   -> -0.00


-- Specials
ddmul580 multiply  Inf  -Inf   -> -Infinity
ddmul581 multiply  Inf  -1000  -> -Infinity
ddmul582 multiply  Inf  -1     -> -Infinity
ddmul583 multiply  Inf  -0     ->  NaN  Invalid_operation
ddmul584 multiply  Inf   0     ->  NaN  Invalid_operation
ddmul585 multiply  Inf   1     ->  Infinity
ddmul586 multiply  Inf   1000  ->  Infinity
ddmul587 multiply  Inf   Inf   ->  Infinity
ddmul588 multiply -1000  Inf   -> -Infinity
ddmul589 multiply -Inf   Inf   -> -Infinity
ddmul590 multiply -1     Inf   -> -Infinity
ddmul591 multiply -0     Inf   ->  NaN  Invalid_operation
ddmul592 multiply  0     Inf   ->  NaN  Invalid_operation
ddmul593 multiply  1     Inf   ->  Infinity
ddmul594 multiply  1000  Inf   ->  Infinity
ddmul595 multiply  Inf   Inf   ->  Infinity

ddmul600 multiply -Inf  -Inf   ->  Infinity
ddmul601 multiply -Inf  -1000  ->  Infinity
ddmul602 multiply -Inf  -1     ->  Infinity
ddmul603 multiply -Inf  -0     ->  NaN  Invalid_operation
ddmul604 multiply -Inf   0     ->  NaN  Invalid_operation
ddmul605 multiply -Inf   1     -> -Infinity
ddmul606 multiply -Inf   1000  -> -Infinity
ddmul607 multiply -Inf   Inf   -> -Infinity
ddmul608 multiply -1000  Inf   -> -Infinity
ddmul609 multiply -Inf  -Inf   ->  Infinity
ddmul610 multiply -1    -Inf   ->  Infinity
ddmul611 multiply -0    -Inf   ->  NaN  Invalid_operation
ddmul612 multiply  0    -Inf   ->  NaN  Invalid_operation
ddmul613 multiply  1    -Inf   -> -Infinity
ddmul614 multiply  1000 -Inf   -> -Infinity
ddmul615 multiply  Inf  -Inf   -> -Infinity

ddmul621 multiply  NaN -Inf    ->  NaN
ddmul622 multiply  NaN -1000   ->  NaN
ddmul623 multiply  NaN -1      ->  NaN
ddmul624 multiply  NaN -0      ->  NaN
ddmul625 multiply  NaN  0      ->  NaN
ddmul626 multiply  NaN  1      ->  NaN
ddmul627 multiply  NaN  1000   ->  NaN
ddmul628 multiply  NaN  Inf    ->  NaN
ddmul629 multiply  NaN  NaN    ->  NaN
ddmul630 multiply -Inf  NaN    ->  NaN
ddmul631 multiply -1000 NaN    ->  NaN
ddmul632 multiply -1    NaN    ->  NaN
ddmul633 multiply -0    NaN    ->  NaN
ddmul634 multiply  0    NaN    ->  NaN
ddmul635 multiply  1    NaN    ->  NaN
ddmul636 multiply  1000 NaN    ->  NaN
ddmul637 multiply  Inf  NaN    ->  NaN

ddmul641 multiply  sNaN -Inf   ->  NaN  Invalid_operation
ddmul642 multiply  sNaN -1000  ->  NaN  Invalid_operation
ddmul643 multiply  sNaN -1     ->  NaN  Invalid_operation
ddmul644 multiply  sNaN -0     ->  NaN  Invalid_operation
ddmul645 multiply  sNaN  0     ->  NaN  Invalid_operation
ddmul646 multiply  sNaN  1     ->  NaN  Invalid_operation
ddmul647 multiply  sNaN  1000  ->  NaN  Invalid_operation
ddmul648 multiply  sNaN  NaN   ->  NaN  Invalid_operation
ddmul649 multiply  sNaN sNaN   ->  NaN  Invalid_operation
ddmul650 multiply  NaN  sNaN   ->  NaN  Invalid_operation
ddmul651 multiply -Inf  sNaN   ->  NaN  Invalid_operation
ddmul652 multiply -1000 sNaN   ->  NaN  Invalid_operation
ddmul653 multiply -1    sNaN   ->  NaN  Invalid_operation
ddmul654 multiply -0    sNaN   ->  NaN  Invalid_operation
ddmul655 multiply  0    sNaN   ->  NaN  Invalid_operation
ddmul656 multiply  1    sNaN   ->  NaN  Invalid_operation
ddmul657 multiply  1000 sNaN   ->  NaN  Invalid_operation
ddmul658 multiply  Inf  sNaN   ->  NaN  Invalid_operation
ddmul659 multiply  NaN  sNaN   ->  NaN  Invalid_operation

-- propagating NaNs
ddmul661 multiply  NaN9 -Inf   ->  NaN9
ddmul662 multiply  NaN8  999   ->  NaN8
ddmul663 multiply  NaN71 Inf   ->  NaN71
ddmul664 multiply  NaN6  NaN5  ->  NaN6
ddmul665 multiply -Inf   NaN4  ->  NaN4
ddmul666 multiply -999   NaN33 ->  NaN33
ddmul667 multiply  Inf   NaN2  ->  NaN2

ddmul671 multiply  sNaN99 -Inf    ->  NaN99 Invalid_operation
ddmul672 multiply  sNaN98 -11     ->  NaN98 Invalid_operation
ddmul673 multiply  sNaN97  NaN    ->  NaN97 Invalid_operation
ddmul674 multiply  sNaN16 sNaN94  ->  NaN16 Invalid_operation
ddmul675 multiply  NaN95  sNaN93  ->  NaN93 Invalid_operation
ddmul676 multiply -Inf    sNaN92  ->  NaN92 Invalid_operation
ddmul677 multiply  088    sNaN91  ->  NaN91 Invalid_operation
ddmul678 multiply  Inf    sNaN90  ->  NaN90 Invalid_operation
ddmul679 multiply  NaN    sNaN89  ->  NaN89 Invalid_operation

ddmul681 multiply -NaN9 -Inf   -> -NaN9
ddmul682 multiply -NaN8  999   -> -NaN8
ddmul683 multiply -NaN71 Inf   -> -NaN71
ddmul684 multiply -NaN6 -NaN5  -> -NaN6
ddmul685 multiply -Inf  -NaN4  -> -NaN4
ddmul686 multiply -999  -NaN33 -> -NaN33
ddmul687 multiply  Inf  -NaN2  -> -NaN2

ddmul691 multiply -sNaN99 -Inf    -> -NaN99 Invalid_operation
ddmul692 multiply -sNaN98 -11     -> -NaN98 Invalid_operation
ddmul693 multiply -sNaN97  NaN    -> -NaN97 Invalid_operation
ddmul694 multiply -sNaN16 -sNaN94 -> -NaN16 Invalid_operation
ddmul695 multiply -NaN95  -sNaN93 -> -NaN93 Invalid_operation
ddmul696 multiply -Inf    -sNaN92 -> -NaN92 Invalid_operation
ddmul697 multiply  088    -sNaN91 -> -NaN91 Invalid_operation
ddmul698 multiply  Inf    -sNaN90 -> -NaN90 Invalid_operation
ddmul699 multiply -NaN    -sNaN89 -> -NaN89 Invalid_operation

ddmul701 multiply -NaN  -Inf   -> -NaN
ddmul702 multiply -NaN   999   -> -NaN
ddmul703 multiply -NaN   Inf   -> -NaN
ddmul704 multiply -NaN  -NaN   -> -NaN
ddmul705 multiply -Inf  -NaN0  -> -NaN
ddmul706 multiply -999  -NaN   -> -NaN
ddmul707 multiply  Inf  -NaN   -> -NaN

ddmul711 multiply -sNaN   -Inf    -> -NaN Invalid_operation
ddmul712 multiply -sNaN   -11     -> -NaN Invalid_operation
ddmul713 multiply -sNaN00  NaN    -> -NaN Invalid_operation
ddmul714 multiply -sNaN   -sNaN   -> -NaN Invalid_operation
ddmul715 multiply -NaN    -sNaN   -> -NaN Invalid_operation
ddmul716 multiply -Inf    -sNaN   -> -NaN Invalid_operation
ddmul717 multiply  088    -sNaN   -> -NaN Invalid_operation
ddmul718 multiply  Inf    -sNaN   -> -NaN Invalid_operation
ddmul719 multiply -NaN    -sNaN   -> -NaN Invalid_operation

-- overflow and underflow tests .. note subnormal results
-- signs
ddmul751 multiply  1e+277  1e+311 ->  Infinity Overflow Inexact Rounded
ddmul752 multiply  1e+277 -1e+311 -> -Infinity Overflow Inexact Rounded
ddmul753 multiply -1e+277  1e+311 -> -Infinity Overflow Inexact Rounded
ddmul754 multiply -1e+277 -1e+311 ->  Infinity Overflow Inexact Rounded
ddmul755 multiply  1e-277  1e-311 ->  0E-398 Underflow Subnormal Inexact Rounded Clamped
ddmul756 multiply  1e-277 -1e-311 -> -0E-398 Underflow Subnormal Inexact Rounded Clamped
ddmul757 multiply -1e-277  1e-311 -> -0E-398 Underflow Subnormal Inexact Rounded Clamped
ddmul758 multiply -1e-277 -1e-311 ->  0E-398 Underflow Subnormal Inexact Rounded Clamped

-- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
ddmul760 multiply 1e-291 1e-101 -> 1E-392 Subnormal
ddmul761 multiply 1e-291 1e-102 -> 1E-393 Subnormal
ddmul762 multiply 1e-291 1e-103 -> 1E-394 Subnormal
ddmul763 multiply 1e-291 1e-104 -> 1E-395 Subnormal
ddmul764 multiply 1e-291 1e-105 -> 1E-396 Subnormal
ddmul765 multiply 1e-291 1e-106 -> 1E-397 Subnormal
ddmul766 multiply 1e-291 1e-107 -> 1E-398 Subnormal
ddmul767 multiply 1e-291 1e-108 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
ddmul768 multiply 1e-291 1e-109 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
ddmul769 multiply 1e-291 1e-110 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
-- [no equivalent of 'subnormal' for overflow]
ddmul770 multiply 1e+60 1e+321 -> 1.000000000000E+381  Clamped
ddmul771 multiply 1e+60 1e+322 -> 1.0000000000000E+382  Clamped
ddmul772 multiply 1e+60 1e+323 -> 1.00000000000000E+383  Clamped
ddmul773 multiply 1e+60 1e+324 -> 1.000000000000000E+384  Clamped
ddmul774 multiply 1e+60 1e+325 -> Infinity Overflow Inexact Rounded
ddmul775 multiply 1e+60 1e+326 -> Infinity Overflow Inexact Rounded
ddmul776 multiply 1e+60 1e+327 -> Infinity Overflow Inexact Rounded
ddmul777 multiply 1e+60 1e+328 -> Infinity Overflow Inexact Rounded
ddmul778 multiply 1e+60 1e+329 -> Infinity Overflow Inexact Rounded
ddmul779 multiply 1e+60 1e+330 -> Infinity Overflow Inexact Rounded

ddmul801 multiply  1.0000E-394  1     -> 1.0000E-394 Subnormal
ddmul802 multiply  1.000E-394   1e-1  -> 1.000E-395  Subnormal
ddmul803 multiply  1.00E-394    1e-2  -> 1.00E-396   Subnormal
ddmul804 multiply  1.0E-394     1e-3  -> 1.0E-397    Subnormal
ddmul805 multiply  1.0E-394     1e-4  -> 1E-398     Subnormal Rounded
ddmul806 multiply  1.3E-394     1e-4  -> 1E-398     Underflow Subnormal Inexact Rounded
ddmul807 multiply  1.5E-394     1e-4  -> 2E-398     Underflow Subnormal Inexact Rounded
ddmul808 multiply  1.7E-394     1e-4  -> 2E-398     Underflow Subnormal Inexact Rounded
ddmul809 multiply  2.3E-394     1e-4  -> 2E-398     Underflow Subnormal Inexact Rounded
ddmul810 multiply  2.5E-394     1e-4  -> 2E-398     Underflow Subnormal Inexact Rounded
ddmul811 multiply  2.7E-394     1e-4  -> 3E-398     Underflow Subnormal Inexact Rounded
ddmul812 multiply  1.49E-394    1e-4  -> 1E-398     Underflow Subnormal Inexact Rounded
ddmul813 multiply  1.50E-394    1e-4  -> 2E-398     Underflow Subnormal Inexact Rounded
ddmul814 multiply  1.51E-394    1e-4  -> 2E-398     Underflow Subnormal Inexact Rounded
ddmul815 multiply  2.49E-394    1e-4  -> 2E-398     Underflow Subnormal Inexact Rounded
ddmul816 multiply  2.50E-394    1e-4  -> 2E-398     Underflow Subnormal Inexact Rounded
ddmul817 multiply  2.51E-394    1e-4  -> 3E-398     Underflow Subnormal Inexact Rounded

ddmul818 multiply  1E-394       1e-4  -> 1E-398     Subnormal
ddmul819 multiply  3E-394       1e-5  -> 0E-398     Underflow Subnormal Inexact Rounded Clamped
ddmul820 multiply  5E-394       1e-5  -> 0E-398     Underflow Subnormal Inexact Rounded Clamped
ddmul821 multiply  7E-394       1e-5  -> 1E-398     Underflow Subnormal Inexact Rounded
ddmul822 multiply  9E-394       1e-5  -> 1E-398     Underflow Subnormal Inexact Rounded
ddmul823 multiply  9.9E-394     1e-5  -> 1E-398     Underflow Subnormal Inexact Rounded

ddmul824 multiply  1E-394      -1e-4  -> -1E-398    Subnormal
ddmul825 multiply  3E-394      -1e-5  -> -0E-398    Underflow Subnormal Inexact Rounded Clamped
ddmul826 multiply -5E-394       1e-5  -> -0E-398    Underflow Subnormal Inexact Rounded Clamped
ddmul827 multiply  7E-394      -1e-5  -> -1E-398    Underflow Subnormal Inexact Rounded
ddmul828 multiply -9E-394       1e-5  -> -1E-398    Underflow Subnormal Inexact Rounded
ddmul829 multiply  9.9E-394    -1e-5  -> -1E-398    Underflow Subnormal Inexact Rounded
ddmul830 multiply  3.0E-394    -1e-5  -> -0E-398    Underflow Subnormal Inexact Rounded Clamped

ddmul831 multiply  1.0E-199     1e-200 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
ddmul832 multiply  1.0E-199     1e-199 -> 1E-398    Subnormal Rounded
ddmul833 multiply  1.0E-199     1e-198 -> 1.0E-397    Subnormal
ddmul834 multiply  2.0E-199     2e-198 -> 4.0E-397    Subnormal
ddmul835 multiply  4.0E-199     4e-198 -> 1.60E-396   Subnormal
ddmul836 multiply 10.0E-199    10e-198 -> 1.000E-395  Subnormal
ddmul837 multiply 30.0E-199    30e-198 -> 9.000E-395  Subnormal
ddmul838 multiply 40.0E-199    40e-188 -> 1.6000E-384 Subnormal
ddmul839 multiply 40.0E-199    40e-187 -> 1.6000E-383
ddmul840 multiply 40.0E-199    40e-186 -> 1.6000E-382

-- Long operand overflow may be a different path
ddmul870 multiply 100  9.999E+383         ->  Infinity Inexact Overflow Rounded
ddmul871 multiply 100 -9.999E+383     -> -Infinity Inexact Overflow Rounded
ddmul872 multiply      9.999E+383 100 ->  Infinity Inexact Overflow Rounded
ddmul873 multiply     -9.999E+383 100 -> -Infinity Inexact Overflow Rounded

-- check for double-rounded subnormals
ddmul881 multiply  1.2347E-355 1.2347E-40  ->  1.524E-395 Inexact Rounded Subnormal Underflow
ddmul882 multiply  1.234E-355 1.234E-40    ->  1.523E-395 Inexact Rounded Subnormal Underflow
ddmul883 multiply  1.23E-355  1.23E-40     ->  1.513E-395 Inexact Rounded Subnormal Underflow
ddmul884 multiply  1.2E-355   1.2E-40      ->  1.44E-395  Subnormal
ddmul885 multiply  1.2E-355   1.2E-41      ->  1.44E-396  Subnormal
ddmul886 multiply  1.2E-355   1.2E-42      ->  1.4E-397   Subnormal Inexact Rounded Underflow
ddmul887 multiply  1.2E-355   1.3E-42      ->  1.6E-397   Subnormal Inexact Rounded Underflow
ddmul888 multiply  1.3E-355   1.3E-42      ->  1.7E-397   Subnormal Inexact Rounded Underflow
ddmul889 multiply  1.3E-355   1.3E-43      ->    2E-398   Subnormal Inexact Rounded Underflow
ddmul890 multiply  1.3E-356   1.3E-43      ->    0E-398   Clamped Subnormal Inexact Rounded Underflow

ddmul891 multiply  1.2345E-39   1.234E-355 ->  1.5234E-394 Inexact Rounded Subnormal Underflow
ddmul892 multiply  1.23456E-39  1.234E-355 ->  1.5234E-394 Inexact Rounded Subnormal Underflow
ddmul893 multiply  1.2345E-40   1.234E-355 ->  1.523E-395  Inexact Rounded Subnormal Underflow
ddmul894 multiply  1.23456E-40  1.234E-355 ->  1.523E-395  Inexact Rounded Subnormal Underflow
ddmul895 multiply  1.2345E-41   1.234E-355 ->  1.52E-396   Inexact Rounded Subnormal Underflow
ddmul896 multiply  1.23456E-41  1.234E-355 ->  1.52E-396   Inexact Rounded Subnormal Underflow

-- Now explore the case where we get a normal result with Underflow
--                                                        1 234567890123456
ddmul900 multiply  0.3000000000E-191 0.3000000000E-191 -> 9.00000000000000E-384 Subnormal Rounded
ddmul901 multiply  0.3000000001E-191 0.3000000001E-191 -> 9.00000000600000E-384 Underflow Inexact Subnormal Rounded
ddmul902 multiply  9.999999999999999E-383  0.0999999999999    -> 9.99999999999000E-384 Underflow Inexact Subnormal Rounded
ddmul903 multiply  9.999999999999999E-383  0.09999999999999   -> 9.99999999999900E-384 Underflow Inexact Subnormal Rounded
ddmul904 multiply  9.999999999999999E-383  0.099999999999999  -> 9.99999999999990E-384 Underflow Inexact Subnormal Rounded
ddmul905 multiply  9.999999999999999E-383  0.0999999999999999 -> 9.99999999999999E-384 Underflow Inexact Subnormal Rounded
-- The next rounds to Nmin (b**emin); this is the distinguishing case
-- for detecting tininess (before or after rounding) -- if after
-- rounding then the result would be the same, but the Underflow flag
-- would not be set
ddmul906 multiply  9.999999999999999E-383  0.09999999999999999     -> 1.000000000000000E-383 Underflow Inexact Subnormal Rounded
-- prove those operands were exact
ddmul907 multiply  9.999999999999999E-383  1                       -> 9.999999999999999E-383
ddmul908 multiply                       1  0.09999999999999999     -> 0.09999999999999999

-- reducing tiniest
ddmul910 multiply 1e-398 0.99 -> 1E-398 Subnormal Inexact Rounded Underflow
ddmul911 multiply 1e-398 0.75 -> 1E-398 Subnormal Inexact Rounded Underflow
ddmul912 multiply 1e-398 0.5  -> 0E-398 Subnormal Inexact Rounded Underflow Clamped
ddmul913 multiply 1e-398 0.25 -> 0E-398 Subnormal Inexact Rounded Underflow Clamped
ddmul914 multiply 1e-398 0.01 -> 0E-398 Subnormal Inexact Rounded Underflow Clamped

-- hugest
ddmul920 multiply  9999999999999999 9999999999999999 -> 9.999999999999998E+31 Inexact Rounded

-- power-of-ten edge cases
ddmul1001 multiply  1      10               -> 10
ddmul1002 multiply  1      100              -> 100
ddmul1003 multiply  1      1000             -> 1000
ddmul1004 multiply  1      10000            -> 10000
ddmul1005 multiply  1      100000           -> 100000
ddmul1006 multiply  1      1000000          -> 1000000
ddmul1007 multiply  1      10000000         -> 10000000
ddmul1008 multiply  1      100000000        -> 100000000
ddmul1009 multiply  1      1000000000       -> 1000000000
ddmul1010 multiply  1      10000000000      -> 10000000000
ddmul1011 multiply  1      100000000000     -> 100000000000
ddmul1012 multiply  1      1000000000000    -> 1000000000000
ddmul1013 multiply  1      10000000000000   -> 10000000000000
ddmul1014 multiply  1      100000000000000  -> 100000000000000
ddmul1015 multiply  1      1000000000000000 -> 1000000000000000
ddmul1021 multiply  10     1                -> 10
ddmul1022 multiply  10     10               -> 100
ddmul1023 multiply  10     100              -> 1000
ddmul1024 multiply  10     1000             -> 10000
ddmul1025 multiply  10     10000            -> 100000
ddmul1026 multiply  10     100000           -> 1000000
ddmul1027 multiply  10     1000000          -> 10000000
ddmul1028 multiply  10     10000000         -> 100000000
ddmul1029 multiply  10     100000000        -> 1000000000
ddmul1030 multiply  10     1000000000       -> 10000000000
ddmul1031 multiply  10     10000000000      -> 100000000000
ddmul1032 multiply  10     100000000000     -> 1000000000000
ddmul1033 multiply  10     1000000000000    -> 10000000000000
ddmul1034 multiply  10     10000000000000   -> 100000000000000
ddmul1035 multiply  10     100000000000000  -> 1000000000000000
ddmul1041 multiply  100    0.1              -> 10.0
ddmul1042 multiply  100    1                -> 100
ddmul1043 multiply  100    10               -> 1000
ddmul1044 multiply  100    100              -> 10000
ddmul1045 multiply  100    1000             -> 100000
ddmul1046 multiply  100    10000            -> 1000000
ddmul1047 multiply  100    100000           -> 10000000
ddmul1048 multiply  100    1000000          -> 100000000
ddmul1049 multiply  100    10000000         -> 1000000000
ddmul1050 multiply  100    100000000        -> 10000000000
ddmul1051 multiply  100    1000000000       -> 100000000000
ddmul1052 multiply  100    10000000000      -> 1000000000000
ddmul1053 multiply  100    100000000000     -> 10000000000000
ddmul1054 multiply  100    1000000000000    -> 100000000000000
ddmul1055 multiply  100    10000000000000   -> 1000000000000000
ddmul1061 multiply  1000   0.01             -> 10.00
ddmul1062 multiply  1000   0.1              -> 100.0
ddmul1063 multiply  1000   1                -> 1000
ddmul1064 multiply  1000   10               -> 10000
ddmul1065 multiply  1000   100              -> 100000
ddmul1066 multiply  1000   1000             -> 1000000
ddmul1067 multiply  1000   10000            -> 10000000
ddmul1068 multiply  1000   100000           -> 100000000
ddmul1069 multiply  1000   1000000          -> 1000000000
ddmul1070 multiply  1000   10000000         -> 10000000000
ddmul1071 multiply  1000   100000000        -> 100000000000
ddmul1072 multiply  1000   1000000000       -> 1000000000000
ddmul1073 multiply  1000   10000000000      -> 10000000000000
ddmul1074 multiply  1000   100000000000     -> 100000000000000
ddmul1075 multiply  1000   1000000000000    -> 1000000000000000
ddmul1081 multiply  10000  0.001            -> 10.000
ddmul1082 multiply  10000  0.01             -> 100.00
ddmul1083 multiply  10000  0.1              -> 1000.0
ddmul1084 multiply  10000  1                -> 10000
ddmul1085 multiply  10000  10               -> 100000
ddmul1086 multiply  10000  100              -> 1000000
ddmul1087 multiply  10000  1000             -> 10000000
ddmul1088 multiply  10000  10000            -> 100000000
ddmul1089 multiply  10000  100000           -> 1000000000
ddmul1090 multiply  10000  1000000          -> 10000000000
ddmul1091 multiply  10000  10000000         -> 100000000000
ddmul1092 multiply  10000  100000000        -> 1000000000000
ddmul1093 multiply  10000  1000000000       -> 10000000000000
ddmul1094 multiply  10000  10000000000      -> 100000000000000
ddmul1095 multiply  10000  100000000000     -> 1000000000000000

ddmul1097 multiply  10000   99999999999     ->  999999999990000
ddmul1098 multiply  10000   99999999999     ->  999999999990000


-- Null tests
ddmul9990 multiply 10  # -> NaN Invalid_operation
ddmul9991 multiply  # 10 -> NaN Invalid_operation