blob: 5531d0e0315ae358626c2d7b290e0905bb2f7bcc [file] [log] [blame]
Thomas Wouters1b7f8912007-09-19 03:06:30 +00001------------------------------------------------------------------------
2-- ddDivide.decTest -- decDouble division --
Benjamin Petersonf17ff4e2008-07-31 16:32:12 +00003-- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. --
Thomas Wouters1b7f8912007-09-19 03:06:30 +00004------------------------------------------------------------------------
5-- Please see the document "General Decimal Arithmetic Testcases" --
6-- at http://www2.hursley.ibm.com/decimal for the description of --
7-- these testcases. --
8-- --
9-- These testcases are experimental ('beta' versions), and they --
10-- may contain errors. They are offered on an as-is basis. In --
11-- particular, achieving the same results as the tests here is not --
12-- a guarantee that an implementation complies with any Standard --
13-- or specification. The tests are not exhaustive. --
14-- --
15-- Please send comments, suggestions, and corrections to the author: --
16-- Mike Cowlishaw, IBM Fellow --
17-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
18-- mfc@uk.ibm.com --
19------------------------------------------------------------------------
Mark Dickinson8a546532009-10-08 16:30:38 +000020version: 2.59
Thomas Wouters1b7f8912007-09-19 03:06:30 +000021
22precision: 16
23maxExponent: 384
24minExponent: -383
25extended: 1
26clamp: 1
27rounding: half_even
28
29-- sanity checks
30dddiv001 divide 1 1 -> 1
31dddiv002 divide 2 1 -> 2
32dddiv003 divide 1 2 -> 0.5
33dddiv004 divide 2 2 -> 1
34dddiv005 divide 0 1 -> 0
35dddiv006 divide 0 2 -> 0
36dddiv007 divide 1 3 -> 0.3333333333333333 Inexact Rounded
37dddiv008 divide 2 3 -> 0.6666666666666667 Inexact Rounded
38dddiv009 divide 3 3 -> 1
39
40dddiv010 divide 2.4 1 -> 2.4
41dddiv011 divide 2.4 -1 -> -2.4
42dddiv012 divide -2.4 1 -> -2.4
43dddiv013 divide -2.4 -1 -> 2.4
44dddiv014 divide 2.40 1 -> 2.40
45dddiv015 divide 2.400 1 -> 2.400
46dddiv016 divide 2.4 2 -> 1.2
47dddiv017 divide 2.400 2 -> 1.200
48dddiv018 divide 2. 2 -> 1
49dddiv019 divide 20 20 -> 1
50
51dddiv020 divide 187 187 -> 1
52dddiv021 divide 5 2 -> 2.5
53dddiv022 divide 50 20 -> 2.5
54dddiv023 divide 500 200 -> 2.5
55dddiv024 divide 50.0 20.0 -> 2.5
56dddiv025 divide 5.00 2.00 -> 2.5
57dddiv026 divide 5 2.0 -> 2.5
58dddiv027 divide 5 2.000 -> 2.5
59dddiv028 divide 5 0.20 -> 25
60dddiv029 divide 5 0.200 -> 25
61dddiv030 divide 10 1 -> 10
62dddiv031 divide 100 1 -> 100
63dddiv032 divide 1000 1 -> 1000
64dddiv033 divide 1000 100 -> 10
65
66dddiv035 divide 1 2 -> 0.5
67dddiv036 divide 1 4 -> 0.25
68dddiv037 divide 1 8 -> 0.125
69dddiv038 divide 1 16 -> 0.0625
70dddiv039 divide 1 32 -> 0.03125
71dddiv040 divide 1 64 -> 0.015625
72dddiv041 divide 1 -2 -> -0.5
73dddiv042 divide 1 -4 -> -0.25
74dddiv043 divide 1 -8 -> -0.125
75dddiv044 divide 1 -16 -> -0.0625
76dddiv045 divide 1 -32 -> -0.03125
77dddiv046 divide 1 -64 -> -0.015625
78dddiv047 divide -1 2 -> -0.5
79dddiv048 divide -1 4 -> -0.25
80dddiv049 divide -1 8 -> -0.125
81dddiv050 divide -1 16 -> -0.0625
82dddiv051 divide -1 32 -> -0.03125
83dddiv052 divide -1 64 -> -0.015625
84dddiv053 divide -1 -2 -> 0.5
85dddiv054 divide -1 -4 -> 0.25
86dddiv055 divide -1 -8 -> 0.125
87dddiv056 divide -1 -16 -> 0.0625
88dddiv057 divide -1 -32 -> 0.03125
89dddiv058 divide -1 -64 -> 0.015625
90
91-- bcdTime
92dddiv060 divide 1 7 -> 0.1428571428571429 Inexact Rounded
93dddiv061 divide 1.2345678 1.9876543 -> 0.6211179680490717 Inexact Rounded
94
95-- 1234567890123456
96dddiv071 divide 9999999999999999 1 -> 9999999999999999
97dddiv072 divide 999999999999999 1 -> 999999999999999
98dddiv073 divide 99999999999999 1 -> 99999999999999
99dddiv074 divide 9999999999999 1 -> 9999999999999
100dddiv075 divide 999999999999 1 -> 999999999999
101dddiv076 divide 99999999999 1 -> 99999999999
102dddiv077 divide 9999999999 1 -> 9999999999
103dddiv078 divide 999999999 1 -> 999999999
104dddiv079 divide 99999999 1 -> 99999999
105dddiv080 divide 9999999 1 -> 9999999
106dddiv081 divide 999999 1 -> 999999
107dddiv082 divide 99999 1 -> 99999
108dddiv083 divide 9999 1 -> 9999
109dddiv084 divide 999 1 -> 999
110dddiv085 divide 99 1 -> 99
111dddiv086 divide 9 1 -> 9
112
113dddiv090 divide 0. 1 -> 0
114dddiv091 divide .0 1 -> 0.0
115dddiv092 divide 0.00 1 -> 0.00
116dddiv093 divide 0.00E+9 1 -> 0E+7
117dddiv094 divide 0.0000E-50 1 -> 0E-54
118
119dddiv095 divide 1 1E-8 -> 1E+8
120dddiv096 divide 1 1E-9 -> 1E+9
121dddiv097 divide 1 1E-10 -> 1E+10
122dddiv098 divide 1 1E-11 -> 1E+11
123dddiv099 divide 1 1E-12 -> 1E+12
124
125dddiv100 divide 1 1 -> 1
126dddiv101 divide 1 2 -> 0.5
127dddiv102 divide 1 3 -> 0.3333333333333333 Inexact Rounded
128dddiv103 divide 1 4 -> 0.25
129dddiv104 divide 1 5 -> 0.2
130dddiv105 divide 1 6 -> 0.1666666666666667 Inexact Rounded
131dddiv106 divide 1 7 -> 0.1428571428571429 Inexact Rounded
132dddiv107 divide 1 8 -> 0.125
133dddiv108 divide 1 9 -> 0.1111111111111111 Inexact Rounded
134dddiv109 divide 1 10 -> 0.1
135dddiv110 divide 1 1 -> 1
136dddiv111 divide 2 1 -> 2
137dddiv112 divide 3 1 -> 3
138dddiv113 divide 4 1 -> 4
139dddiv114 divide 5 1 -> 5
140dddiv115 divide 6 1 -> 6
141dddiv116 divide 7 1 -> 7
142dddiv117 divide 8 1 -> 8
143dddiv118 divide 9 1 -> 9
144dddiv119 divide 10 1 -> 10
145
146dddiv120 divide 3E+1 0.001 -> 3E+4
147dddiv121 divide 2.200 2 -> 1.100
148
149dddiv130 divide 12345 4.999 -> 2469.493898779756 Inexact Rounded
150dddiv131 divide 12345 4.99 -> 2473.947895791583 Inexact Rounded
151dddiv132 divide 12345 4.9 -> 2519.387755102041 Inexact Rounded
152dddiv133 divide 12345 5 -> 2469
153dddiv134 divide 12345 5.1 -> 2420.588235294118 Inexact Rounded
154dddiv135 divide 12345 5.01 -> 2464.071856287425 Inexact Rounded
155dddiv136 divide 12345 5.001 -> 2468.506298740252 Inexact Rounded
156
157-- test possibly imprecise results
158dddiv220 divide 391 597 -> 0.6549413735343384 Inexact Rounded
159dddiv221 divide 391 -597 -> -0.6549413735343384 Inexact Rounded
160dddiv222 divide -391 597 -> -0.6549413735343384 Inexact Rounded
161dddiv223 divide -391 -597 -> 0.6549413735343384 Inexact Rounded
162
Mark Dickinson8a546532009-10-08 16:30:38 +0000163-- test some cases that are close to exponent overflow, some with coefficient padding
Thomas Wouters1b7f8912007-09-19 03:06:30 +0000164dddiv270 divide 1 1e384 -> 1E-384 Subnormal
165dddiv271 divide 1 0.9e384 -> 1.11111111111111E-384 Rounded Inexact Subnormal Underflow
166dddiv272 divide 1 0.99e384 -> 1.01010101010101E-384 Rounded Inexact Subnormal Underflow
167dddiv273 divide 1 0.9999999999999999e384 -> 1.00000000000000E-384 Rounded Inexact Subnormal Underflow
168dddiv274 divide 9e384 1 -> 9.000000000000000E+384 Clamped
169dddiv275 divide 9.9e384 1 -> 9.900000000000000E+384 Clamped
170dddiv276 divide 9.99e384 1 -> 9.990000000000000E+384 Clamped
Mark Dickinson8a546532009-10-08 16:30:38 +0000171dddiv277 divide 9.9999999999999e384 1 -> 9.999999999999900E+384 Clamped
172dddiv278 divide 9.99999999999999e384 1 -> 9.999999999999990E+384 Clamped
173dddiv279 divide 9.999999999999999e384 1 -> 9.999999999999999E+384
174
175dddiv285 divide 9.9e384 1.1 -> 9.000000000000000E+384 Clamped
176dddiv286 divide 9.99e384 1.1 -> 9.081818181818182E+384 Inexact Rounded
177dddiv287 divide 9.9999999999999e384 1.1 -> 9.090909090909000E+384 Clamped
178dddiv288 divide 9.99999999999999e384 1.1 -> 9.090909090909082E+384 Inexact Rounded
179dddiv289 divide 9.999999999999999e384 1.1 -> 9.090909090909090E+384 Clamped
180
Thomas Wouters1b7f8912007-09-19 03:06:30 +0000181
182-- Divide into 0 tests
183dddiv301 divide 0 7 -> 0
184dddiv302 divide 0 7E-5 -> 0E+5
185dddiv303 divide 0 7E-1 -> 0E+1
186dddiv304 divide 0 7E+1 -> 0.0
187dddiv305 divide 0 7E+5 -> 0.00000
188dddiv306 divide 0 7E+6 -> 0.000000
189dddiv307 divide 0 7E+7 -> 0E-7
190dddiv308 divide 0 70E-5 -> 0E+5
191dddiv309 divide 0 70E-1 -> 0E+1
192dddiv310 divide 0 70E+0 -> 0
193dddiv311 divide 0 70E+1 -> 0.0
194dddiv312 divide 0 70E+5 -> 0.00000
195dddiv313 divide 0 70E+6 -> 0.000000
196dddiv314 divide 0 70E+7 -> 0E-7
197dddiv315 divide 0 700E-5 -> 0E+5
198dddiv316 divide 0 700E-1 -> 0E+1
199dddiv317 divide 0 700E+0 -> 0
200dddiv318 divide 0 700E+1 -> 0.0
201dddiv319 divide 0 700E+5 -> 0.00000
202dddiv320 divide 0 700E+6 -> 0.000000
203dddiv321 divide 0 700E+7 -> 0E-7
204dddiv322 divide 0 700E+77 -> 0E-77
205
206dddiv331 divide 0E-3 7E-5 -> 0E+2
207dddiv332 divide 0E-3 7E-1 -> 0.00
208dddiv333 divide 0E-3 7E+1 -> 0.0000
209dddiv334 divide 0E-3 7E+5 -> 0E-8
210dddiv335 divide 0E-1 7E-5 -> 0E+4
211dddiv336 divide 0E-1 7E-1 -> 0
212dddiv337 divide 0E-1 7E+1 -> 0.00
213dddiv338 divide 0E-1 7E+5 -> 0.000000
214dddiv339 divide 0E+1 7E-5 -> 0E+6
215dddiv340 divide 0E+1 7E-1 -> 0E+2
216dddiv341 divide 0E+1 7E+1 -> 0
217dddiv342 divide 0E+1 7E+5 -> 0.0000
218dddiv343 divide 0E+3 7E-5 -> 0E+8
219dddiv344 divide 0E+3 7E-1 -> 0E+4
220dddiv345 divide 0E+3 7E+1 -> 0E+2
221dddiv346 divide 0E+3 7E+5 -> 0.00
222
223-- These were 'input rounding'
224dddiv441 divide 12345678000 1 -> 12345678000
225dddiv442 divide 1 12345678000 -> 8.100000664200054E-11 Inexact Rounded
226dddiv443 divide 1234567800 1 -> 1234567800
227dddiv444 divide 1 1234567800 -> 8.100000664200054E-10 Inexact Rounded
228dddiv445 divide 1234567890 1 -> 1234567890
229dddiv446 divide 1 1234567890 -> 8.100000073710001E-10 Inexact Rounded
230dddiv447 divide 1234567891 1 -> 1234567891
231dddiv448 divide 1 1234567891 -> 8.100000067149001E-10 Inexact Rounded
232dddiv449 divide 12345678901 1 -> 12345678901
233dddiv450 divide 1 12345678901 -> 8.100000073053901E-11 Inexact Rounded
234dddiv451 divide 1234567896 1 -> 1234567896
235dddiv452 divide 1 1234567896 -> 8.100000034344000E-10 Inexact Rounded
236
237-- high-lows
238dddiv453 divide 1e+1 1 -> 1E+1
239dddiv454 divide 1e+1 1.0 -> 1E+1
240dddiv455 divide 1e+1 1.00 -> 1E+1
241dddiv456 divide 1e+2 2 -> 5E+1
242dddiv457 divide 1e+2 2.0 -> 5E+1
243dddiv458 divide 1e+2 2.00 -> 5E+1
244
245-- some from IEEE discussions
246dddiv460 divide 3e0 2e0 -> 1.5
247dddiv461 divide 30e-1 2e0 -> 1.5
248dddiv462 divide 300e-2 2e0 -> 1.50
249dddiv464 divide 3000e-3 2e0 -> 1.500
250dddiv465 divide 3e0 20e-1 -> 1.5
251dddiv466 divide 30e-1 20e-1 -> 1.5
252dddiv467 divide 300e-2 20e-1 -> 1.5
253dddiv468 divide 3000e-3 20e-1 -> 1.50
254dddiv469 divide 3e0 200e-2 -> 1.5
255dddiv470 divide 30e-1 200e-2 -> 1.5
256dddiv471 divide 300e-2 200e-2 -> 1.5
257dddiv472 divide 3000e-3 200e-2 -> 1.5
258dddiv473 divide 3e0 2000e-3 -> 1.5
259dddiv474 divide 30e-1 2000e-3 -> 1.5
260dddiv475 divide 300e-2 2000e-3 -> 1.5
261dddiv476 divide 3000e-3 2000e-3 -> 1.5
262
263-- some reciprocals
264dddiv480 divide 1 1.0E+33 -> 1E-33
265dddiv481 divide 1 10E+33 -> 1E-34
266dddiv482 divide 1 1.0E-33 -> 1E+33
267dddiv483 divide 1 10E-33 -> 1E+32
268
269-- RMS discussion table
270dddiv484 divide 0e5 1e3 -> 0E+2
271dddiv485 divide 0e5 2e3 -> 0E+2
272dddiv486 divide 0e5 10e2 -> 0E+3
273dddiv487 divide 0e5 20e2 -> 0E+3
274dddiv488 divide 0e5 100e1 -> 0E+4
275dddiv489 divide 0e5 200e1 -> 0E+4
276
277dddiv491 divide 1e5 1e3 -> 1E+2
278dddiv492 divide 1e5 2e3 -> 5E+1
279dddiv493 divide 1e5 10e2 -> 1E+2
280dddiv494 divide 1e5 20e2 -> 5E+1
281dddiv495 divide 1e5 100e1 -> 1E+2
282dddiv496 divide 1e5 200e1 -> 5E+1
283
284-- tryzeros cases
285rounding: half_up
286dddiv497 divide 0E+380 1000E-13 -> 0E+369 Clamped
287dddiv498 divide 0E-390 1000E+13 -> 0E-398 Clamped
288
289rounding: half_up
290
291-- focus on trailing zeros issues
292dddiv500 divide 1 9.9 -> 0.1010101010101010 Inexact Rounded
293dddiv501 divide 1 9.09 -> 0.1100110011001100 Inexact Rounded
294dddiv502 divide 1 9.009 -> 0.1110001110001110 Inexact Rounded
295
296dddiv511 divide 1 2 -> 0.5
297dddiv512 divide 1.0 2 -> 0.5
298dddiv513 divide 1.00 2 -> 0.50
299dddiv514 divide 1.000 2 -> 0.500
300dddiv515 divide 1.0000 2 -> 0.5000
301dddiv516 divide 1.00000 2 -> 0.50000
302dddiv517 divide 1.000000 2 -> 0.500000
303dddiv518 divide 1.0000000 2 -> 0.5000000
304dddiv519 divide 1.00 2.00 -> 0.5
305
306dddiv521 divide 2 1 -> 2
307dddiv522 divide 2 1.0 -> 2
308dddiv523 divide 2 1.00 -> 2
309dddiv524 divide 2 1.000 -> 2
310dddiv525 divide 2 1.0000 -> 2
311dddiv526 divide 2 1.00000 -> 2
312dddiv527 divide 2 1.000000 -> 2
313dddiv528 divide 2 1.0000000 -> 2
314dddiv529 divide 2.00 1.00 -> 2
315
316dddiv530 divide 2.40 2 -> 1.20
317dddiv531 divide 2.40 4 -> 0.60
318dddiv532 divide 2.40 10 -> 0.24
319dddiv533 divide 2.40 2.0 -> 1.2
320dddiv534 divide 2.40 4.0 -> 0.6
321dddiv535 divide 2.40 10.0 -> 0.24
322dddiv536 divide 2.40 2.00 -> 1.2
323dddiv537 divide 2.40 4.00 -> 0.6
324dddiv538 divide 2.40 10.00 -> 0.24
325dddiv539 divide 0.9 0.1 -> 9
326dddiv540 divide 0.9 0.01 -> 9E+1
327dddiv541 divide 0.9 0.001 -> 9E+2
328dddiv542 divide 5 2 -> 2.5
329dddiv543 divide 5 2.0 -> 2.5
330dddiv544 divide 5 2.00 -> 2.5
331dddiv545 divide 5 20 -> 0.25
332dddiv546 divide 5 20.0 -> 0.25
333dddiv547 divide 2.400 2 -> 1.200
334dddiv548 divide 2.400 2.0 -> 1.20
335dddiv549 divide 2.400 2.400 -> 1
336
337dddiv550 divide 240 1 -> 240
338dddiv551 divide 240 10 -> 24
339dddiv552 divide 240 100 -> 2.4
340dddiv553 divide 240 1000 -> 0.24
341dddiv554 divide 2400 1 -> 2400
342dddiv555 divide 2400 10 -> 240
343dddiv556 divide 2400 100 -> 24
344dddiv557 divide 2400 1000 -> 2.4
345
346-- +ve exponent
347dddiv600 divide 2.4E+9 2 -> 1.2E+9
348dddiv601 divide 2.40E+9 2 -> 1.20E+9
349dddiv602 divide 2.400E+9 2 -> 1.200E+9
350dddiv603 divide 2.4000E+9 2 -> 1.2000E+9
351dddiv604 divide 24E+8 2 -> 1.2E+9
352dddiv605 divide 240E+7 2 -> 1.20E+9
353dddiv606 divide 2400E+6 2 -> 1.200E+9
354dddiv607 divide 24000E+5 2 -> 1.2000E+9
355
356-- more zeros, etc.
357dddiv731 divide 5.00 1E-3 -> 5.00E+3
358dddiv732 divide 00.00 0.000 -> NaN Division_undefined
359dddiv733 divide 00.00 0E-3 -> NaN Division_undefined
360dddiv734 divide 0 -0 -> NaN Division_undefined
361dddiv735 divide -0 0 -> NaN Division_undefined
362dddiv736 divide -0 -0 -> NaN Division_undefined
363
364dddiv741 divide 0 -1 -> -0
365dddiv742 divide -0 -1 -> 0
366dddiv743 divide 0 1 -> 0
367dddiv744 divide -0 1 -> -0
368dddiv745 divide -1 0 -> -Infinity Division_by_zero
369dddiv746 divide -1 -0 -> Infinity Division_by_zero
370dddiv747 divide 1 0 -> Infinity Division_by_zero
371dddiv748 divide 1 -0 -> -Infinity Division_by_zero
372
373dddiv751 divide 0.0 -1 -> -0.0
374dddiv752 divide -0.0 -1 -> 0.0
375dddiv753 divide 0.0 1 -> 0.0
376dddiv754 divide -0.0 1 -> -0.0
377dddiv755 divide -1.0 0 -> -Infinity Division_by_zero
378dddiv756 divide -1.0 -0 -> Infinity Division_by_zero
379dddiv757 divide 1.0 0 -> Infinity Division_by_zero
380dddiv758 divide 1.0 -0 -> -Infinity Division_by_zero
381
382dddiv761 divide 0 -1.0 -> -0E+1
383dddiv762 divide -0 -1.0 -> 0E+1
384dddiv763 divide 0 1.0 -> 0E+1
385dddiv764 divide -0 1.0 -> -0E+1
386dddiv765 divide -1 0.0 -> -Infinity Division_by_zero
387dddiv766 divide -1 -0.0 -> Infinity Division_by_zero
388dddiv767 divide 1 0.0 -> Infinity Division_by_zero
389dddiv768 divide 1 -0.0 -> -Infinity Division_by_zero
390
391dddiv771 divide 0.0 -1.0 -> -0
392dddiv772 divide -0.0 -1.0 -> 0
393dddiv773 divide 0.0 1.0 -> 0
394dddiv774 divide -0.0 1.0 -> -0
395dddiv775 divide -1.0 0.0 -> -Infinity Division_by_zero
396dddiv776 divide -1.0 -0.0 -> Infinity Division_by_zero
397dddiv777 divide 1.0 0.0 -> Infinity Division_by_zero
398dddiv778 divide 1.0 -0.0 -> -Infinity Division_by_zero
399
400-- Specials
401dddiv780 divide Inf -Inf -> NaN Invalid_operation
402dddiv781 divide Inf -1000 -> -Infinity
403dddiv782 divide Inf -1 -> -Infinity
404dddiv783 divide Inf -0 -> -Infinity
405dddiv784 divide Inf 0 -> Infinity
406dddiv785 divide Inf 1 -> Infinity
407dddiv786 divide Inf 1000 -> Infinity
408dddiv787 divide Inf Inf -> NaN Invalid_operation
409dddiv788 divide -1000 Inf -> -0E-398 Clamped
410dddiv789 divide -Inf Inf -> NaN Invalid_operation
411dddiv790 divide -1 Inf -> -0E-398 Clamped
412dddiv791 divide -0 Inf -> -0E-398 Clamped
413dddiv792 divide 0 Inf -> 0E-398 Clamped
414dddiv793 divide 1 Inf -> 0E-398 Clamped
415dddiv794 divide 1000 Inf -> 0E-398 Clamped
416dddiv795 divide Inf Inf -> NaN Invalid_operation
417
418dddiv800 divide -Inf -Inf -> NaN Invalid_operation
419dddiv801 divide -Inf -1000 -> Infinity
420dddiv802 divide -Inf -1 -> Infinity
421dddiv803 divide -Inf -0 -> Infinity
422dddiv804 divide -Inf 0 -> -Infinity
423dddiv805 divide -Inf 1 -> -Infinity
424dddiv806 divide -Inf 1000 -> -Infinity
425dddiv807 divide -Inf Inf -> NaN Invalid_operation
426dddiv808 divide -1000 Inf -> -0E-398 Clamped
427dddiv809 divide -Inf -Inf -> NaN Invalid_operation
428dddiv810 divide -1 -Inf -> 0E-398 Clamped
429dddiv811 divide -0 -Inf -> 0E-398 Clamped
430dddiv812 divide 0 -Inf -> -0E-398 Clamped
431dddiv813 divide 1 -Inf -> -0E-398 Clamped
432dddiv814 divide 1000 -Inf -> -0E-398 Clamped
433dddiv815 divide Inf -Inf -> NaN Invalid_operation
434
435dddiv821 divide NaN -Inf -> NaN
436dddiv822 divide NaN -1000 -> NaN
437dddiv823 divide NaN -1 -> NaN
438dddiv824 divide NaN -0 -> NaN
439dddiv825 divide NaN 0 -> NaN
440dddiv826 divide NaN 1 -> NaN
441dddiv827 divide NaN 1000 -> NaN
442dddiv828 divide NaN Inf -> NaN
443dddiv829 divide NaN NaN -> NaN
444dddiv830 divide -Inf NaN -> NaN
445dddiv831 divide -1000 NaN -> NaN
446dddiv832 divide -1 NaN -> NaN
447dddiv833 divide -0 NaN -> NaN
448dddiv834 divide 0 NaN -> NaN
449dddiv835 divide 1 NaN -> NaN
450dddiv836 divide 1000 NaN -> NaN
451dddiv837 divide Inf NaN -> NaN
452
453dddiv841 divide sNaN -Inf -> NaN Invalid_operation
454dddiv842 divide sNaN -1000 -> NaN Invalid_operation
455dddiv843 divide sNaN -1 -> NaN Invalid_operation
456dddiv844 divide sNaN -0 -> NaN Invalid_operation
457dddiv845 divide sNaN 0 -> NaN Invalid_operation
458dddiv846 divide sNaN 1 -> NaN Invalid_operation
459dddiv847 divide sNaN 1000 -> NaN Invalid_operation
460dddiv848 divide sNaN NaN -> NaN Invalid_operation
461dddiv849 divide sNaN sNaN -> NaN Invalid_operation
462dddiv850 divide NaN sNaN -> NaN Invalid_operation
463dddiv851 divide -Inf sNaN -> NaN Invalid_operation
464dddiv852 divide -1000 sNaN -> NaN Invalid_operation
465dddiv853 divide -1 sNaN -> NaN Invalid_operation
466dddiv854 divide -0 sNaN -> NaN Invalid_operation
467dddiv855 divide 0 sNaN -> NaN Invalid_operation
468dddiv856 divide 1 sNaN -> NaN Invalid_operation
469dddiv857 divide 1000 sNaN -> NaN Invalid_operation
470dddiv858 divide Inf sNaN -> NaN Invalid_operation
471dddiv859 divide NaN sNaN -> NaN Invalid_operation
472
473-- propagating NaNs
474dddiv861 divide NaN9 -Inf -> NaN9
475dddiv862 divide NaN8 1000 -> NaN8
476dddiv863 divide NaN7 Inf -> NaN7
477dddiv864 divide NaN6 NaN5 -> NaN6
478dddiv865 divide -Inf NaN4 -> NaN4
479dddiv866 divide -1000 NaN3 -> NaN3
480dddiv867 divide Inf NaN2 -> NaN2
481
482dddiv871 divide sNaN99 -Inf -> NaN99 Invalid_operation
483dddiv872 divide sNaN98 -1 -> NaN98 Invalid_operation
484dddiv873 divide sNaN97 NaN -> NaN97 Invalid_operation
485dddiv874 divide sNaN96 sNaN94 -> NaN96 Invalid_operation
486dddiv875 divide NaN95 sNaN93 -> NaN93 Invalid_operation
487dddiv876 divide -Inf sNaN92 -> NaN92 Invalid_operation
488dddiv877 divide 0 sNaN91 -> NaN91 Invalid_operation
489dddiv878 divide Inf sNaN90 -> NaN90 Invalid_operation
490dddiv879 divide NaN sNaN89 -> NaN89 Invalid_operation
491
492dddiv881 divide -NaN9 -Inf -> -NaN9
493dddiv882 divide -NaN8 1000 -> -NaN8
494dddiv883 divide -NaN7 Inf -> -NaN7
495dddiv884 divide -NaN6 -NaN5 -> -NaN6
496dddiv885 divide -Inf -NaN4 -> -NaN4
497dddiv886 divide -1000 -NaN3 -> -NaN3
498dddiv887 divide Inf -NaN2 -> -NaN2
499
500dddiv891 divide -sNaN99 -Inf -> -NaN99 Invalid_operation
501dddiv892 divide -sNaN98 -1 -> -NaN98 Invalid_operation
502dddiv893 divide -sNaN97 NaN -> -NaN97 Invalid_operation
503dddiv894 divide -sNaN96 -sNaN94 -> -NaN96 Invalid_operation
504dddiv895 divide -NaN95 -sNaN93 -> -NaN93 Invalid_operation
505dddiv896 divide -Inf -sNaN92 -> -NaN92 Invalid_operation
506dddiv897 divide 0 -sNaN91 -> -NaN91 Invalid_operation
507dddiv898 divide Inf -sNaN90 -> -NaN90 Invalid_operation
508dddiv899 divide -NaN -sNaN89 -> -NaN89 Invalid_operation
509
510-- Various flavours of divide by 0
511dddiv901 divide 0 0 -> NaN Division_undefined
512dddiv902 divide 0.0E5 0 -> NaN Division_undefined
513dddiv903 divide 0.000 0 -> NaN Division_undefined
514dddiv904 divide 0.0001 0 -> Infinity Division_by_zero
515dddiv905 divide 0.01 0 -> Infinity Division_by_zero
516dddiv906 divide 0.1 0 -> Infinity Division_by_zero
517dddiv907 divide 1 0 -> Infinity Division_by_zero
518dddiv908 divide 1 0.0 -> Infinity Division_by_zero
519dddiv909 divide 10 0.0 -> Infinity Division_by_zero
520dddiv910 divide 1E+100 0.0 -> Infinity Division_by_zero
521dddiv911 divide 1E+100 0 -> Infinity Division_by_zero
522
523dddiv921 divide -0.0001 0 -> -Infinity Division_by_zero
524dddiv922 divide -0.01 0 -> -Infinity Division_by_zero
525dddiv923 divide -0.1 0 -> -Infinity Division_by_zero
526dddiv924 divide -1 0 -> -Infinity Division_by_zero
527dddiv925 divide -1 0.0 -> -Infinity Division_by_zero
528dddiv926 divide -10 0.0 -> -Infinity Division_by_zero
529dddiv927 divide -1E+100 0.0 -> -Infinity Division_by_zero
530dddiv928 divide -1E+100 0 -> -Infinity Division_by_zero
531
532dddiv931 divide 0.0001 -0 -> -Infinity Division_by_zero
533dddiv932 divide 0.01 -0 -> -Infinity Division_by_zero
534dddiv933 divide 0.1 -0 -> -Infinity Division_by_zero
535dddiv934 divide 1 -0 -> -Infinity Division_by_zero
536dddiv935 divide 1 -0.0 -> -Infinity Division_by_zero
537dddiv936 divide 10 -0.0 -> -Infinity Division_by_zero
538dddiv937 divide 1E+100 -0.0 -> -Infinity Division_by_zero
539dddiv938 divide 1E+100 -0 -> -Infinity Division_by_zero
540
541dddiv941 divide -0.0001 -0 -> Infinity Division_by_zero
542dddiv942 divide -0.01 -0 -> Infinity Division_by_zero
543dddiv943 divide -0.1 -0 -> Infinity Division_by_zero
544dddiv944 divide -1 -0 -> Infinity Division_by_zero
545dddiv945 divide -1 -0.0 -> Infinity Division_by_zero
546dddiv946 divide -10 -0.0 -> Infinity Division_by_zero
547dddiv947 divide -1E+100 -0.0 -> Infinity Division_by_zero
548dddiv948 divide -1E+100 -0 -> Infinity Division_by_zero
549
550-- Examples from SQL proposal (Krishna Kulkarni)
551dddiv1021 divide 1E0 1E0 -> 1
552dddiv1022 divide 1E0 2E0 -> 0.5
553dddiv1023 divide 1E0 3E0 -> 0.3333333333333333 Inexact Rounded
554dddiv1024 divide 100E-2 1000E-3 -> 1
555dddiv1025 divide 24E-1 2E0 -> 1.2
556dddiv1026 divide 2400E-3 2E0 -> 1.200
557dddiv1027 divide 5E0 2E0 -> 2.5
558dddiv1028 divide 5E0 20E-1 -> 2.5
559dddiv1029 divide 5E0 2000E-3 -> 2.5
560dddiv1030 divide 5E0 2E-1 -> 25
561dddiv1031 divide 5E0 20E-2 -> 25
562dddiv1032 divide 480E-2 3E0 -> 1.60
563dddiv1033 divide 47E-1 2E0 -> 2.35
564
565-- ECMAScript bad examples
566rounding: half_down
567dddiv1040 divide 5 9 -> 0.5555555555555556 Inexact Rounded
568rounding: half_even
569dddiv1041 divide 6 11 -> 0.5454545454545455 Inexact Rounded
570
571-- overflow and underflow tests .. note subnormal results
572-- signs
573dddiv1051 divide 1e+277 1e-311 -> Infinity Overflow Inexact Rounded
574dddiv1052 divide 1e+277 -1e-311 -> -Infinity Overflow Inexact Rounded
575dddiv1053 divide -1e+277 1e-311 -> -Infinity Overflow Inexact Rounded
576dddiv1054 divide -1e+277 -1e-311 -> Infinity Overflow Inexact Rounded
577dddiv1055 divide 1e-277 1e+311 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
578dddiv1056 divide 1e-277 -1e+311 -> -0E-398 Underflow Subnormal Inexact Rounded Clamped
579dddiv1057 divide -1e-277 1e+311 -> -0E-398 Underflow Subnormal Inexact Rounded Clamped
580dddiv1058 divide -1e-277 -1e+311 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
581
582-- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
583dddiv1060 divide 1e-291 1e+101 -> 1E-392 Subnormal
584dddiv1061 divide 1e-291 1e+102 -> 1E-393 Subnormal
585dddiv1062 divide 1e-291 1e+103 -> 1E-394 Subnormal
586dddiv1063 divide 1e-291 1e+104 -> 1E-395 Subnormal
587dddiv1064 divide 1e-291 1e+105 -> 1E-396 Subnormal
588dddiv1065 divide 1e-291 1e+106 -> 1E-397 Subnormal
589dddiv1066 divide 1e-291 1e+107 -> 1E-398 Subnormal
590dddiv1067 divide 1e-291 1e+108 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
591dddiv1068 divide 1e-291 1e+109 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
592dddiv1069 divide 1e-291 1e+110 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
593-- [no equivalent of 'subnormal' for overflow]
594dddiv1070 divide 1e+60 1e-321 -> 1.000000000000E+381 Clamped
595dddiv1071 divide 1e+60 1e-322 -> 1.0000000000000E+382 Clamped
596dddiv1072 divide 1e+60 1e-323 -> 1.00000000000000E+383 Clamped
597dddiv1073 divide 1e+60 1e-324 -> 1.000000000000000E+384 Clamped
598dddiv1074 divide 1e+60 1e-325 -> Infinity Overflow Inexact Rounded
599dddiv1075 divide 1e+60 1e-326 -> Infinity Overflow Inexact Rounded
600dddiv1076 divide 1e+60 1e-327 -> Infinity Overflow Inexact Rounded
601dddiv1077 divide 1e+60 1e-328 -> Infinity Overflow Inexact Rounded
602dddiv1078 divide 1e+60 1e-329 -> Infinity Overflow Inexact Rounded
603dddiv1079 divide 1e+60 1e-330 -> Infinity Overflow Inexact Rounded
604
605dddiv1101 divide 1.0000E-394 1 -> 1.0000E-394 Subnormal
606dddiv1102 divide 1.000E-394 1e+1 -> 1.000E-395 Subnormal
607dddiv1103 divide 1.00E-394 1e+2 -> 1.00E-396 Subnormal
608dddiv1104 divide 1.0E-394 1e+3 -> 1.0E-397 Subnormal
609dddiv1105 divide 1.0E-394 1e+4 -> 1E-398 Subnormal Rounded
610dddiv1106 divide 1.3E-394 1e+4 -> 1E-398 Underflow Subnormal Inexact Rounded
611dddiv1107 divide 1.5E-394 1e+4 -> 2E-398 Underflow Subnormal Inexact Rounded
612dddiv1108 divide 1.7E-394 1e+4 -> 2E-398 Underflow Subnormal Inexact Rounded
613dddiv1109 divide 2.3E-394 1e+4 -> 2E-398 Underflow Subnormal Inexact Rounded
614dddiv1110 divide 2.5E-394 1e+4 -> 2E-398 Underflow Subnormal Inexact Rounded
615dddiv1111 divide 2.7E-394 1e+4 -> 3E-398 Underflow Subnormal Inexact Rounded
616dddiv1112 divide 1.49E-394 1e+4 -> 1E-398 Underflow Subnormal Inexact Rounded
617dddiv1113 divide 1.50E-394 1e+4 -> 2E-398 Underflow Subnormal Inexact Rounded
618dddiv1114 divide 1.51E-394 1e+4 -> 2E-398 Underflow Subnormal Inexact Rounded
619dddiv1115 divide 2.49E-394 1e+4 -> 2E-398 Underflow Subnormal Inexact Rounded
620dddiv1116 divide 2.50E-394 1e+4 -> 2E-398 Underflow Subnormal Inexact Rounded
621dddiv1117 divide 2.51E-394 1e+4 -> 3E-398 Underflow Subnormal Inexact Rounded
622
623dddiv1118 divide 1E-394 1e+4 -> 1E-398 Subnormal
624dddiv1119 divide 3E-394 1e+5 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
625dddiv1120 divide 5E-394 1e+5 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
626dddiv1121 divide 7E-394 1e+5 -> 1E-398 Underflow Subnormal Inexact Rounded
627dddiv1122 divide 9E-394 1e+5 -> 1E-398 Underflow Subnormal Inexact Rounded
628dddiv1123 divide 9.9E-394 1e+5 -> 1E-398 Underflow Subnormal Inexact Rounded
629
630dddiv1124 divide 1E-394 -1e+4 -> -1E-398 Subnormal
631dddiv1125 divide 3E-394 -1e+5 -> -0E-398 Underflow Subnormal Inexact Rounded Clamped
632dddiv1126 divide -5E-394 1e+5 -> -0E-398 Underflow Subnormal Inexact Rounded Clamped
633dddiv1127 divide 7E-394 -1e+5 -> -1E-398 Underflow Subnormal Inexact Rounded
634dddiv1128 divide -9E-394 1e+5 -> -1E-398 Underflow Subnormal Inexact Rounded
635dddiv1129 divide 9.9E-394 -1e+5 -> -1E-398 Underflow Subnormal Inexact Rounded
636dddiv1130 divide 3.0E-394 -1e+5 -> -0E-398 Underflow Subnormal Inexact Rounded Clamped
637
638dddiv1131 divide 1.0E-199 1e+200 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
639dddiv1132 divide 1.0E-199 1e+199 -> 1E-398 Subnormal Rounded
640dddiv1133 divide 1.0E-199 1e+198 -> 1.0E-397 Subnormal
641dddiv1134 divide 2.0E-199 2e+198 -> 1.0E-397 Subnormal
642dddiv1135 divide 4.0E-199 4e+198 -> 1.0E-397 Subnormal
643dddiv1136 divide 10.0E-199 10e+198 -> 1.0E-397 Subnormal
644dddiv1137 divide 30.0E-199 30e+198 -> 1.0E-397 Subnormal
645
646-- randoms
647dddiv2010 divide -3.303226714900711E-35 8.796578842713183E+73 -> -3.755126594058783E-109 Inexact Rounded
648dddiv2011 divide 933153327821073.6 68782181090246.25 -> 13.56678885475763 Inexact Rounded
649dddiv2012 divide 5.04752436057906E-72 -8.179481771238642E+64 -> -6.170958627632835E-137 Inexact Rounded
650dddiv2013 divide -3707613309582318 3394911196503.048 -> -1092.109070010836 Inexact Rounded
651dddiv2014 divide 99689.0555190461 -4.735208553891464 -> -21052.72753765411 Inexact Rounded
652dddiv2015 divide -1447915775613329 269750797.8184875 -> -5367605.164925653 Inexact Rounded
653dddiv2016 divide -9.394881304225258E-19 -830585.0252671636 -> 1.131116143251358E-24 Inexact Rounded
654dddiv2017 divide -1.056283432738934 88.58754555124013 -> -0.01192361100159352 Inexact Rounded
655dddiv2018 divide 5763220933343.081 689089567025052.1 -> 0.008363529516524456 Inexact Rounded
656dddiv2019 divide 873819.122103216 9.740612494523300E-49 -> 8.970884763093948E+53 Inexact Rounded
657dddiv2020 divide 8022914.838533576 6178.566801742713 -> 1298.507420243583 Inexact Rounded
658dddiv2021 divide 203982.7605650363 -2158.283639053435 -> -94.51156320422168 Inexact Rounded
659dddiv2022 divide 803.6310547013030 7101143795399.238 -> 1.131692411611166E-10 Inexact Rounded
660dddiv2023 divide 9.251697842123399E-82 -1.342350220606119E-7 -> -6.892163982321936E-75 Inexact Rounded
661dddiv2024 divide -1.980600645637992E-53 -5.474262753214457E+77 -> 3.618022617703168E-131 Inexact Rounded
662dddiv2025 divide -210.0322996351690 -8.580951835872843E+80 -> 2.447657365434971E-79 Inexact Rounded
663dddiv2026 divide -1.821980314020370E+85 -3.018915267138165 -> 6.035215144503042E+84 Inexact Rounded
664dddiv2027 divide -772264503601.1047 5.158258271408988E-86 -> -1.497141986630614E+97 Inexact Rounded
665dddiv2028 divide -767.0532415847106 2.700027228028939E-59 -> -2.840909282772941E+61 Inexact Rounded
666dddiv2029 divide 496724.8548250093 7.32700588163100E+66 -> 6.779370220929013E-62 Inexact Rounded
667dddiv2030 divide -304232651447703.9 -108.9730808657440 -> 2791814721862.565 Inexact Rounded
668dddiv2031 divide -7.233817192699405E+42 -5711302004.149411 -> 1.266579352211430E+33 Inexact Rounded
669dddiv2032 divide -9.999221444912745E+96 4010569406446197 -> -2.493217404202250E+81 Inexact Rounded
670dddiv2033 divide -1837272.061937622 8.356322838066762 -> -219866.0939196882 Inexact Rounded
671dddiv2034 divide 2168.517555606529 209.1910258615061 -> 10.36620737756784 Inexact Rounded
672dddiv2035 divide -1.884389790576371E+88 2.95181953870583E+20 -> -6.383824505079828E+67 Inexact Rounded
673dddiv2036 divide 732263.6037438196 961222.3634446889 -> 0.7618045850698269 Inexact Rounded
674dddiv2037 divide -813461419.0348336 5.376293753809143E+84 -> -1.513052404285927E-76 Inexact Rounded
675dddiv2038 divide -45562133508108.50 -9.776843494690107E+51 -> 4.660208945029519E-39 Inexact Rounded
676dddiv2039 divide -6.489393172441016E+80 -9101965.097852113 -> 7.129661674897421E+73 Inexact Rounded
677dddiv2040 divide 3.694576237117349E+93 6683512.012622003 -> 5.527896456443912E+86 Inexact Rounded
678dddiv2041 divide -2.252877726403272E+19 -7451913256.181367 -> 3023220546.125531 Inexact Rounded
679dddiv2042 divide 518303.1989111842 50.01587020474133 -> 10362.77479107123 Inexact Rounded
680dddiv2043 divide 2.902087881880103E+24 33.32400992305702 -> 8.708699488989578E+22 Inexact Rounded
681dddiv2044 divide 549619.4559510557 1660824845196338 -> 3.309316196351104E-10 Inexact Rounded
682dddiv2045 divide -6775670774684043 8292152023.077262 -> -817118.4941891062 Inexact Rounded
683dddiv2046 divide -77.50923921524079 -5.636882655425815E+74 -> 1.375037302588405E-73 Inexact Rounded
684dddiv2047 divide -2.984889459605149E-10 -88106156784122.99 -> 3.387833005721384E-24 Inexact Rounded
685dddiv2048 divide 0.949517293997085 44767115.96450998 -> 2.121015110175589E-8 Inexact Rounded
686dddiv2049 divide -2760937211.084521 -1087015876975408 -> 0.000002539923537057024 Inexact Rounded
687dddiv2050 divide 28438351.85030536 -4.209397904088624E-47 -> -6.755919135770688E+53 Inexact Rounded
688dddiv2051 divide -85562731.6820956 -7.166045442530185E+45 -> 1.194002080621542E-38 Inexact Rounded
689dddiv2052 divide 2533802852165.25 7154.119606235955 -> 354173957.3317501 Inexact Rounded
690dddiv2053 divide -8858831346851.474 97.59734208801716 -> -90769186509.83577 Inexact Rounded
691dddiv2054 divide 176783629801387.5 840073263.3109817 -> 210438.3480848206 Inexact Rounded
692dddiv2055 divide -493506471796175.6 79733894790822.03 -> -6.189418854940746 Inexact Rounded
693dddiv2056 divide 790.1682542103445 829.9449370367435 -> 0.9520731062371214 Inexact Rounded
694dddiv2057 divide -8920459838.583164 -4767.889187899214 -> 1870945.294035581 Inexact Rounded
695dddiv2058 divide 53536687164422.1 53137.5007032689 -> 1007512330.385698 Inexact Rounded
696dddiv2059 divide 4.051532311146561E-74 -2.343089768972261E+94 -> -1.729140882606332E-168 Inexact Rounded
697dddiv2060 divide -14847758778636.88 3.062543516383807E-43 -> -4.848178874587497E+55 Inexact Rounded
698
699-- Division probably has pre-rounding, so need to test rounding
700-- explicitly rather than assume included through other tests;
701-- tests include simple rounding and also the tricky cases of sticky
702-- bits following two zeros
703--
704-- 1/99999 gives 0.0000100001000010000100001000010000100001
705-- 1234567890123456
706--
707-- 1/999999 gives 0.000001000001000001000001000001000001000001
708-- 1234567890123456
709
710rounding: ceiling
711dddiv3001 divide 1 3 -> 0.3333333333333334 Inexact Rounded
712dddiv3002 divide 2 3 -> 0.6666666666666667 Inexact Rounded
713dddiv3003 divide 1 99999 -> 0.00001000010000100002 Inexact Rounded
714dddiv3004 divide 1 999999 -> 0.000001000001000001001 Inexact Rounded
715
716rounding: floor
717dddiv3011 divide 1 3 -> 0.3333333333333333 Inexact Rounded
718dddiv3012 divide 2 3 -> 0.6666666666666666 Inexact Rounded
719dddiv3013 divide 1 99999 -> 0.00001000010000100001 Inexact Rounded
720dddiv3014 divide 1 999999 -> 0.000001000001000001000 Inexact Rounded
721
722rounding: up
723dddiv3021 divide 1 3 -> 0.3333333333333334 Inexact Rounded
724dddiv3022 divide 2 3 -> 0.6666666666666667 Inexact Rounded
725dddiv3023 divide 1 99999 -> 0.00001000010000100002 Inexact Rounded
726dddiv3024 divide 1 999999 -> 0.000001000001000001001 Inexact Rounded
727
728rounding: down
729dddiv3031 divide 1 3 -> 0.3333333333333333 Inexact Rounded
730dddiv3032 divide 2 3 -> 0.6666666666666666 Inexact Rounded
731dddiv3033 divide 1 99999 -> 0.00001000010000100001 Inexact Rounded
732dddiv3034 divide 1 999999 -> 0.000001000001000001000 Inexact Rounded
733
734rounding: half_up
735dddiv3041 divide 1 3 -> 0.3333333333333333 Inexact Rounded
736dddiv3042 divide 2 3 -> 0.6666666666666667 Inexact Rounded
737dddiv3043 divide 1 99999 -> 0.00001000010000100001 Inexact Rounded
738dddiv3044 divide 1 999999 -> 0.000001000001000001000 Inexact Rounded
739
740rounding: half_down
741dddiv3051 divide 1 3 -> 0.3333333333333333 Inexact Rounded
742dddiv3052 divide 2 3 -> 0.6666666666666667 Inexact Rounded
743dddiv3053 divide 1 99999 -> 0.00001000010000100001 Inexact Rounded
744dddiv3054 divide 1 999999 -> 0.000001000001000001000 Inexact Rounded
745
746rounding: half_even
747dddiv3061 divide 1 3 -> 0.3333333333333333 Inexact Rounded
748dddiv3062 divide 2 3 -> 0.6666666666666667 Inexact Rounded
749dddiv3063 divide 1 99999 -> 0.00001000010000100001 Inexact Rounded
750dddiv3064 divide 1 999999 -> 0.000001000001000001000 Inexact Rounded
751
752rounding: 05up
753dddiv3071 divide 1 3 -> 0.3333333333333333 Inexact Rounded
754dddiv3072 divide 2 3 -> 0.6666666666666666 Inexact Rounded
755dddiv3073 divide 1 99999 -> 0.00001000010000100001 Inexact Rounded
756dddiv3074 divide 1 999999 -> 0.000001000001000001001 Inexact Rounded
757
758-- random divide tests with result near 1
759rounding: half_even
760dddiv4001 divide 3195385192916917 3195385192946695 -> 0.9999999999906809 Inexact Rounded
761dddiv4002 divide 1393723067526993 1393723067519475 -> 1.000000000005394 Inexact Rounded
762dddiv4003 divide 759985543702302 759985543674015 -> 1.000000000037220 Inexact Rounded
763dddiv4004 divide 9579158456027302 9579158456036864 -> 0.9999999999990018 Inexact Rounded
764dddiv4005 divide 7079398299143569 7079398299156904 -> 0.9999999999981164 Inexact Rounded
765dddiv4006 divide 6636169255366598 6636169255336386 -> 1.000000000004553 Inexact Rounded
766dddiv4007 divide 6964813971340090 6964813971321554 -> 1.000000000002661 Inexact Rounded
767dddiv4008 divide 4182275225480784 4182275225454009 -> 1.000000000006402 Inexact Rounded
768dddiv4009 divide 9228325124938029 9228325124918730 -> 1.000000000002091 Inexact Rounded
769dddiv4010 divide 3428346338630192 3428346338609843 -> 1.000000000005936 Inexact Rounded
770dddiv4011 divide 2143511550722893 2143511550751754 -> 0.9999999999865356 Inexact Rounded
771dddiv4012 divide 1672732924396785 1672732924401811 -> 0.9999999999969953 Inexact Rounded
772dddiv4013 divide 4190714611948216 4190714611948664 -> 0.9999999999998931 Inexact Rounded
773dddiv4014 divide 3942254800848877 3942254800814556 -> 1.000000000008706 Inexact Rounded
774dddiv4015 divide 2854459826952334 2854459826960762 -> 0.9999999999970474 Inexact Rounded
775dddiv4016 divide 2853258953664731 2853258953684471 -> 0.9999999999930816 Inexact Rounded
776dddiv4017 divide 9453512638125978 9453512638146425 -> 0.9999999999978371 Inexact Rounded
777dddiv4018 divide 339476633940369 339476633912887 -> 1.000000000080954 Inexact Rounded
778dddiv4019 divide 4542181492688467 4542181492697735 -> 0.9999999999979596 Inexact Rounded
779dddiv4020 divide 7312600192399197 7312600192395424 -> 1.000000000000516 Inexact Rounded
780dddiv4021 divide 1811674985570111 1811674985603935 -> 0.9999999999813300 Inexact Rounded
781dddiv4022 divide 1706462639003481 1706462639017740 -> 0.9999999999916441 Inexact Rounded
782dddiv4023 divide 6697052654940368 6697052654934110 -> 1.000000000000934 Inexact Rounded
783dddiv4024 divide 5015283664277539 5015283664310719 -> 0.9999999999933842 Inexact Rounded
784dddiv4025 divide 2359501561537464 2359501561502464 -> 1.000000000014834 Inexact Rounded
785dddiv4026 divide 2669850227909157 2669850227901548 -> 1.000000000002850 Inexact Rounded
786dddiv4027 divide 9329725546974648 9329725547002445 -> 0.9999999999970206 Inexact Rounded
787dddiv4028 divide 3228562867071248 3228562867106206 -> 0.9999999999891723 Inexact Rounded
788dddiv4029 divide 4862226644921175 4862226644909380 -> 1.000000000002426 Inexact Rounded
789dddiv4030 divide 1022267997054529 1022267997071329 -> 0.9999999999835660 Inexact Rounded
790dddiv4031 divide 1048777482023719 1048777482000948 -> 1.000000000021712 Inexact Rounded
791dddiv4032 divide 9980113777337098 9980113777330539 -> 1.000000000000657 Inexact Rounded
792dddiv4033 divide 7506839167963908 7506839167942901 -> 1.000000000002798 Inexact Rounded
793dddiv4034 divide 231119751977860 231119751962453 -> 1.000000000066662 Inexact Rounded
794dddiv4035 divide 4034903664762962 4034903664795526 -> 0.9999999999919294 Inexact Rounded
795dddiv4036 divide 5700122152274696 5700122152251386 -> 1.000000000004089 Inexact Rounded
796dddiv4037 divide 6869599590293110 6869599590293495 -> 0.9999999999999440 Inexact Rounded
797dddiv4038 divide 5576281960092797 5576281960105579 -> 0.9999999999977078 Inexact Rounded
798dddiv4039 divide 2304844888381318 2304844888353073 -> 1.000000000012255 Inexact Rounded
799dddiv4040 divide 3265933651656452 3265933651682779 -> 0.9999999999919389 Inexact Rounded
800dddiv4041 divide 5235714985079914 5235714985066131 -> 1.000000000002632 Inexact Rounded
801dddiv4042 divide 5578481572827551 5578481572822945 -> 1.000000000000826 Inexact Rounded
802dddiv4043 divide 4909616081396134 4909616081373076 -> 1.000000000004696 Inexact Rounded
803dddiv4044 divide 636447224349537 636447224338757 -> 1.000000000016938 Inexact Rounded
804dddiv4045 divide 1539373428396640 1539373428364727 -> 1.000000000020731 Inexact Rounded
805dddiv4046 divide 2028786707377893 2028786707378866 -> 0.9999999999995204 Inexact Rounded
806dddiv4047 divide 137643260486222 137643260487419 -> 0.9999999999913036 Inexact Rounded
807dddiv4048 divide 247451519746765 247451519752267 -> 0.9999999999777653 Inexact Rounded
808dddiv4049 divide 7877858475022054 7877858474999794 -> 1.000000000002826 Inexact Rounded
809dddiv4050 divide 7333242694766258 7333242694744628 -> 1.000000000002950 Inexact Rounded
810dddiv4051 divide 124051503698592 124051503699397 -> 0.9999999999935108 Inexact Rounded
811dddiv4052 divide 8944737432385188 8944737432406860 -> 0.9999999999975771 Inexact Rounded
812dddiv4053 divide 9883948923406874 9883948923424843 -> 0.9999999999981820 Inexact Rounded
813dddiv4054 divide 6829178741654284 6829178741671973 -> 0.9999999999974098 Inexact Rounded
814dddiv4055 divide 7342752479768122 7342752479793385 -> 0.9999999999965595 Inexact Rounded
815dddiv4056 divide 8066426579008783 8066426578977563 -> 1.000000000003870 Inexact Rounded
816dddiv4057 divide 8992775071383295 8992775071352712 -> 1.000000000003401 Inexact Rounded
817dddiv4058 divide 5485011755545641 5485011755543611 -> 1.000000000000370 Inexact Rounded
818dddiv4059 divide 5779983054353918 5779983054365300 -> 0.9999999999980308 Inexact Rounded
819dddiv4060 divide 9502265102713774 9502265102735208 -> 0.9999999999977443 Inexact Rounded
820dddiv4061 divide 2109558399130981 2109558399116281 -> 1.000000000006968 Inexact Rounded
821dddiv4062 divide 5296182636350471 5296182636351521 -> 0.9999999999998017 Inexact Rounded
822dddiv4063 divide 1440019225591883 1440019225601844 -> 0.9999999999930827 Inexact Rounded
823dddiv4064 divide 8182110791881341 8182110791847174 -> 1.000000000004176 Inexact Rounded
824dddiv4065 divide 489098235512060 489098235534516 -> 0.9999999999540869 Inexact Rounded
825dddiv4066 divide 6475687084782038 6475687084756089 -> 1.000000000004007 Inexact Rounded
826dddiv4067 divide 8094348555736948 8094348555759236 -> 0.9999999999972465 Inexact Rounded
827dddiv4068 divide 1982766816291543 1982766816309463 -> 0.9999999999909621 Inexact Rounded
828dddiv4069 divide 9277314300113251 9277314300084467 -> 1.000000000003103 Inexact Rounded
829dddiv4070 divide 4335532959318934 4335532959293167 -> 1.000000000005943 Inexact Rounded
830dddiv4071 divide 7767113032981348 7767113032968132 -> 1.000000000001702 Inexact Rounded
831dddiv4072 divide 1578548053342868 1578548053370448 -> 0.9999999999825282 Inexact Rounded
832dddiv4073 divide 3790420686666898 3790420686636315 -> 1.000000000008068 Inexact Rounded
833dddiv4074 divide 871682421955147 871682421976441 -> 0.9999999999755714 Inexact Rounded
834dddiv4075 divide 744141054479940 744141054512329 -> 0.9999999999564746 Inexact Rounded
835dddiv4076 divide 8956824183670735 8956824183641741 -> 1.000000000003237 Inexact Rounded
836dddiv4077 divide 8337291694485682 8337291694451193 -> 1.000000000004137 Inexact Rounded
837dddiv4078 divide 4107775944683669 4107775944657097 -> 1.000000000006469 Inexact Rounded
838dddiv4079 divide 8691900057964648 8691900057997555 -> 0.9999999999962141 Inexact Rounded
839dddiv4080 divide 2229528520536462 2229528520502337 -> 1.000000000015306 Inexact Rounded
840dddiv4081 divide 398442083774322 398442083746273 -> 1.000000000070397 Inexact Rounded
841dddiv4082 divide 5319819776808759 5319819776838313 -> 0.9999999999944445 Inexact Rounded
842dddiv4083 divide 7710491299066855 7710491299041858 -> 1.000000000003242 Inexact Rounded
843dddiv4084 divide 9083231296087266 9083231296058160 -> 1.000000000003204 Inexact Rounded
844dddiv4085 divide 3566873574904559 3566873574890328 -> 1.000000000003990 Inexact Rounded
845dddiv4086 divide 596343290550525 596343290555614 -> 0.9999999999914663 Inexact Rounded
846dddiv4087 divide 278227925093192 278227925068104 -> 1.000000000090171 Inexact Rounded
847dddiv4088 divide 3292902958490649 3292902958519881 -> 0.9999999999911227 Inexact Rounded
848dddiv4089 divide 5521871364245881 5521871364229536 -> 1.000000000002960 Inexact Rounded
849dddiv4090 divide 2406505602883617 2406505602857997 -> 1.000000000010646 Inexact Rounded
850dddiv4091 divide 7741146984869208 7741146984867255 -> 1.000000000000252 Inexact Rounded
851dddiv4092 divide 4576041832414909 4576041832405102 -> 1.000000000002143 Inexact Rounded
852dddiv4093 divide 9183756982878057 9183756982901934 -> 0.9999999999974001 Inexact Rounded
853dddiv4094 divide 6215736513855159 6215736513870342 -> 0.9999999999975573 Inexact Rounded
854dddiv4095 divide 248554968534533 248554968551417 -> 0.9999999999320714 Inexact Rounded
855dddiv4096 divide 376314165668645 376314165659755 -> 1.000000000023624 Inexact Rounded
856dddiv4097 divide 5513569249809718 5513569249808906 -> 1.000000000000147 Inexact Rounded
857dddiv4098 divide 3367992242167904 3367992242156228 -> 1.000000000003467 Inexact Rounded
858dddiv4099 divide 6134869538966967 6134869538985986 -> 0.9999999999968999 Inexact Rounded
859
860-- Null tests
861dddiv9998 divide 10 # -> NaN Invalid_operation
862dddiv9999 divide # 10 -> NaN Invalid_operation
863