1 ------------------------------------------------------------------------
\r
2 -- dsEncode.decTest -- decimal four-byte format testcases --
\r
3 -- Copyright (c) IBM Corporation, 2000, 2008. All rights reserved. --
\r
4 ------------------------------------------------------------------------
\r
5 -- Please see the document "General Decimal Arithmetic Testcases" --
\r
6 -- at http://www2.hursley.ibm.com/decimal for the description of --
\r
7 -- these testcases. --
\r
9 -- These testcases are experimental ('beta' versions), and they --
\r
10 -- may contain errors. They are offered on an as-is basis. In --
\r
11 -- particular, achieving the same results as the tests here is not --
\r
12 -- a guarantee that an implementation complies with any Standard --
\r
13 -- or specification. The tests are not exhaustive. --
\r
15 -- Please send comments, suggestions, and corrections to the author: --
\r
16 -- Mike Cowlishaw, IBM Fellow --
\r
17 -- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
\r
18 -- mfc@uk.ibm.com --
\r
19 ------------------------------------------------------------------------
\r
20 -- [Previously called decimal32.decTest]
\r
23 -- This set of tests is for the four-byte concrete representation.
\r
24 -- Its characteristics are:
\r
27 -- 5 bits combination field
\r
28 -- 6 bits exponent continuation
\r
29 -- 20 bits coefficient continuation
\r
31 -- Total exponent length 8 bits
\r
32 -- Total coefficient length 24 bits (7 digits)
\r
34 -- Elimit = 191 (maximum encoded exponent)
\r
35 -- Emax = 96 (largest exponent value)
\r
36 -- Emin = -95 (smallest exponent value)
\r
37 -- bias = 101 (subtracted from encoded exponent) = -Etiny
\r
39 -- The testcases here have only exactly representable data on the
\r
40 -- 'left-hand-side'; rounding from strings is tested in 'base'
\r
50 -- General testcases
\r
51 -- (mostly derived from the Strawman 4 document and examples)
\r
52 decs001 apply #A23003D0 -> -7.50
\r
53 decs002 apply -7.50 -> #A23003D0
\r
54 -- derivative canonical plain strings
\r
55 decs003 apply #A26003D0 -> -7.50E+3
\r
56 decs004 apply -7.50E+3 -> #A26003D0
\r
57 decs005 apply #A25003D0 -> -750
\r
58 decs006 apply -750 -> #A25003D0
\r
59 decs007 apply #A24003D0 -> -75.0
\r
60 decs008 apply -75.0 -> #A24003D0
\r
61 decs009 apply #A22003D0 -> -0.750
\r
62 decs010 apply -0.750 -> #A22003D0
\r
63 decs011 apply #A21003D0 -> -0.0750
\r
64 decs012 apply -0.0750 -> #A21003D0
\r
65 decs013 apply #A1f003D0 -> -0.000750
\r
66 decs014 apply -0.000750 -> #A1f003D0
\r
67 decs015 apply #A1d003D0 -> -0.00000750
\r
68 decs016 apply -0.00000750 -> #A1d003D0
\r
69 decs017 apply #A1c003D0 -> -7.50E-7
\r
70 decs018 apply -7.50E-7 -> #A1c003D0
\r
73 decs020 apply 1234567 -> #2654d2e7
\r
74 decs021 apply -1234567 -> #a654d2e7
\r
75 decs022 apply 1111111 -> #26524491
\r
78 decs031 apply 9.999999E+96 -> #77f3fcff
\r
79 decs032 apply #77f3fcff -> 9.999999E+96
\r
80 decs033 apply 1.234567E+96 -> #47f4d2e7
\r
81 decs034 apply #47f4d2e7 -> 1.234567E+96
\r
82 -- fold-downs (more below)
\r
83 decs035 apply 1.23E+96 -> #47f4c000 Clamped
\r
84 decs036 apply #47f4c000 -> 1.230000E+96
\r
85 decs037 apply 1E+96 -> #47f00000 Clamped
\r
86 decs038 apply #47f00000 -> 1.000000E+96
\r
88 decs051 apply 12345 -> #225049c5
\r
89 decs052 apply #225049c5 -> 12345
\r
90 decs053 apply 1234 -> #22500534
\r
91 decs054 apply #22500534 -> 1234
\r
92 decs055 apply 123 -> #225000a3
\r
93 decs056 apply #225000a3 -> 123
\r
94 decs057 apply 12 -> #22500012
\r
95 decs058 apply #22500012 -> 12
\r
96 decs059 apply 1 -> #22500001
\r
97 decs060 apply #22500001 -> 1
\r
98 decs061 apply 1.23 -> #223000a3
\r
99 decs062 apply #223000a3 -> 1.23
\r
100 decs063 apply 123.45 -> #223049c5
\r
101 decs064 apply #223049c5 -> 123.45
\r
104 decs071 apply 1E-95 -> #00600001
\r
105 decs072 apply #00600001 -> 1E-95
\r
106 decs073 apply 1.000000E-95 -> #04000000
\r
107 decs074 apply #04000000 -> 1.000000E-95
\r
108 decs075 apply 1.000001E-95 -> #04000001
\r
109 decs076 apply #04000001 -> 1.000001E-95
\r
111 decs077 apply 0.100000E-95 -> #00020000 Subnormal
\r
112 decs07x apply 1.00000E-96 -> 1.00000E-96 Subnormal
\r
113 decs078 apply #00020000 -> 1.00000E-96 Subnormal
\r
114 decs079 apply 0.000010E-95 -> #00000010 Subnormal
\r
115 decs080 apply #00000010 -> 1.0E-100 Subnormal
\r
116 decs081 apply 0.000001E-95 -> #00000001 Subnormal
\r
117 decs082 apply #00000001 -> 1E-101 Subnormal
\r
118 decs083 apply 1e-101 -> #00000001 Subnormal
\r
119 decs084 apply #00000001 -> 1E-101 Subnormal
\r
120 decs08x apply 1e-101 -> 1E-101 Subnormal
\r
122 -- underflows cannot be tested; just check edge case
\r
123 decs090 apply 1e-101 -> #00000001 Subnormal
\r
125 -- same again, negatives --
\r
127 -- Nmax and similar
\r
128 decs122 apply -9.999999E+96 -> #f7f3fcff
\r
129 decs123 apply #f7f3fcff -> -9.999999E+96
\r
130 decs124 apply -1.234567E+96 -> #c7f4d2e7
\r
131 decs125 apply #c7f4d2e7 -> -1.234567E+96
\r
132 -- fold-downs (more below)
\r
133 decs130 apply -1.23E+96 -> #c7f4c000 Clamped
\r
134 decs131 apply #c7f4c000 -> -1.230000E+96
\r
135 decs132 apply -1E+96 -> #c7f00000 Clamped
\r
136 decs133 apply #c7f00000 -> -1.000000E+96
\r
138 decs151 apply -12345 -> #a25049c5
\r
139 decs152 apply #a25049c5 -> -12345
\r
140 decs153 apply -1234 -> #a2500534
\r
141 decs154 apply #a2500534 -> -1234
\r
142 decs155 apply -123 -> #a25000a3
\r
143 decs156 apply #a25000a3 -> -123
\r
144 decs157 apply -12 -> #a2500012
\r
145 decs158 apply #a2500012 -> -12
\r
146 decs159 apply -1 -> #a2500001
\r
147 decs160 apply #a2500001 -> -1
\r
148 decs161 apply -1.23 -> #a23000a3
\r
149 decs162 apply #a23000a3 -> -1.23
\r
150 decs163 apply -123.45 -> #a23049c5
\r
151 decs164 apply #a23049c5 -> -123.45
\r
154 decs171 apply -1E-95 -> #80600001
\r
155 decs172 apply #80600001 -> -1E-95
\r
156 decs173 apply -1.000000E-95 -> #84000000
\r
157 decs174 apply #84000000 -> -1.000000E-95
\r
158 decs175 apply -1.000001E-95 -> #84000001
\r
159 decs176 apply #84000001 -> -1.000001E-95
\r
161 decs177 apply -0.100000E-95 -> #80020000 Subnormal
\r
162 decs178 apply #80020000 -> -1.00000E-96 Subnormal
\r
163 decs179 apply -0.000010E-95 -> #80000010 Subnormal
\r
164 decs180 apply #80000010 -> -1.0E-100 Subnormal
\r
165 decs181 apply -0.000001E-95 -> #80000001 Subnormal
\r
166 decs182 apply #80000001 -> -1E-101 Subnormal
\r
167 decs183 apply -1e-101 -> #80000001 Subnormal
\r
168 decs184 apply #80000001 -> -1E-101 Subnormal
\r
170 -- underflow edge case
\r
171 decs190 apply -1e-101 -> #80000001 Subnormal
\r
174 decs400 apply 0E-400 -> #00000000 Clamped
\r
175 decs401 apply 0E-101 -> #00000000
\r
176 decs402 apply #00000000 -> 0E-101
\r
177 decs403 apply 0.000000E-95 -> #00000000
\r
178 decs404 apply #00000000 -> 0E-101
\r
179 decs405 apply 0E-2 -> #22300000
\r
180 decs406 apply #22300000 -> 0.00
\r
181 decs407 apply 0 -> #22500000
\r
182 decs408 apply #22500000 -> 0
\r
183 decs409 apply 0E+3 -> #22800000
\r
184 decs410 apply #22800000 -> 0E+3
\r
185 decs411 apply 0E+90 -> #43f00000
\r
186 decs412 apply #43f00000 -> 0E+90
\r
187 -- clamped zeros...
\r
188 decs413 apply 0E+91 -> #43f00000 Clamped
\r
189 decs414 apply #43f00000 -> 0E+90
\r
190 decs415 apply 0E+96 -> #43f00000 Clamped
\r
191 decs416 apply #43f00000 -> 0E+90
\r
192 decs417 apply 0E+400 -> #43f00000 Clamped
\r
193 decs418 apply #43f00000 -> 0E+90
\r
196 decs420 apply -0E-400 -> #80000000 Clamped
\r
197 decs421 apply -0E-101 -> #80000000
\r
198 decs422 apply #80000000 -> -0E-101
\r
199 decs423 apply -0.000000E-95 -> #80000000
\r
200 decs424 apply #80000000 -> -0E-101
\r
201 decs425 apply -0E-2 -> #a2300000
\r
202 decs426 apply #a2300000 -> -0.00
\r
203 decs427 apply -0 -> #a2500000
\r
204 decs428 apply #a2500000 -> -0
\r
205 decs429 apply -0E+3 -> #a2800000
\r
206 decs430 apply #a2800000 -> -0E+3
\r
207 decs431 apply -0E+90 -> #c3f00000
\r
208 decs432 apply #c3f00000 -> -0E+90
\r
209 -- clamped zeros...
\r
210 decs433 apply -0E+91 -> #c3f00000 Clamped
\r
211 decs434 apply #c3f00000 -> -0E+90
\r
212 decs435 apply -0E+96 -> #c3f00000 Clamped
\r
213 decs436 apply #c3f00000 -> -0E+90
\r
214 decs437 apply -0E+400 -> #c3f00000 Clamped
\r
215 decs438 apply #c3f00000 -> -0E+90
\r
218 decs500 apply Infinity -> #78000000
\r
219 decs501 apply #78787878 -> #78000000
\r
220 decs502 apply #78000000 -> Infinity
\r
221 decs503 apply #79797979 -> #78000000
\r
222 decs504 apply #79000000 -> Infinity
\r
223 decs505 apply #7a7a7a7a -> #78000000
\r
224 decs506 apply #7a000000 -> Infinity
\r
225 decs507 apply #7b7b7b7b -> #78000000
\r
226 decs508 apply #7b000000 -> Infinity
\r
227 decs509 apply #7c7c7c7c -> #7c0c7c7c
\r
229 decs510 apply NaN -> #7c000000
\r
230 decs511 apply #7c000000 -> NaN
\r
231 decs512 apply #7d7d7d7d -> #7c0d7d7d
\r
232 decs513 apply #7d000000 -> NaN
\r
233 decs514 apply #7e7e7e7e -> #7e0e7c7e
\r
234 decs515 apply #7e000000 -> sNaN
\r
235 decs516 apply #7f7f7f7f -> #7e0f7c7f
\r
236 decs517 apply #7f000000 -> sNaN
\r
237 decs518 apply #7fffffff -> sNaN999999
\r
238 decs519 apply #7fffffff -> #7e03fcff
\r
240 decs520 apply -Infinity -> #f8000000
\r
241 decs521 apply #f8787878 -> #f8000000
\r
242 decs522 apply #f8000000 -> -Infinity
\r
243 decs523 apply #f9797979 -> #f8000000
\r
244 decs524 apply #f9000000 -> -Infinity
\r
245 decs525 apply #fa7a7a7a -> #f8000000
\r
246 decs526 apply #fa000000 -> -Infinity
\r
247 decs527 apply #fb7b7b7b -> #f8000000
\r
248 decs528 apply #fb000000 -> -Infinity
\r
250 decs529 apply -NaN -> #fc000000
\r
251 decs530 apply #fc7c7c7c -> #fc0c7c7c
\r
252 decs531 apply #fc000000 -> -NaN
\r
253 decs532 apply #fd7d7d7d -> #fc0d7d7d
\r
254 decs533 apply #fd000000 -> -NaN
\r
255 decs534 apply #fe7e7e7e -> #fe0e7c7e
\r
256 decs535 apply #fe000000 -> -sNaN
\r
257 decs536 apply #ff7f7f7f -> #fe0f7c7f
\r
258 decs537 apply #ff000000 -> -sNaN
\r
259 decs538 apply #ffffffff -> -sNaN999999
\r
260 decs539 apply #ffffffff -> #fe03fcff
\r
263 decs540 apply NaN -> #7c000000
\r
264 decs541 apply NaN0 -> #7c000000
\r
265 decs542 apply NaN1 -> #7c000001
\r
266 decs543 apply NaN12 -> #7c000012
\r
267 decs544 apply NaN79 -> #7c000079
\r
268 decs545 apply NaN12345 -> #7c0049c5
\r
269 decs546 apply NaN123456 -> #7c028e56
\r
270 decs547 apply NaN799799 -> #7c0f7fdf
\r
271 decs548 apply NaN999999 -> #7c03fcff
\r
274 -- fold-down full sequence
\r
275 decs601 apply 1E+96 -> #47f00000 Clamped
\r
276 decs602 apply #47f00000 -> 1.000000E+96
\r
277 decs603 apply 1E+95 -> #43f20000 Clamped
\r
278 decs604 apply #43f20000 -> 1.00000E+95
\r
279 decs605 apply 1E+94 -> #43f04000 Clamped
\r
280 decs606 apply #43f04000 -> 1.0000E+94
\r
281 decs607 apply 1E+93 -> #43f00400 Clamped
\r
282 decs608 apply #43f00400 -> 1.000E+93
\r
283 decs609 apply 1E+92 -> #43f00080 Clamped
\r
284 decs610 apply #43f00080 -> 1.00E+92
\r
285 decs611 apply 1E+91 -> #43f00010 Clamped
\r
286 decs612 apply #43f00010 -> 1.0E+91
\r
287 decs613 apply 1E+90 -> #43f00001
\r
288 decs614 apply #43f00001 -> 1E+90
\r
291 -- Selected DPD codes
\r
292 decs700 apply #22500000 -> 0
\r
293 decs701 apply #22500009 -> 9
\r
294 decs702 apply #22500010 -> 10
\r
295 decs703 apply #22500019 -> 19
\r
296 decs704 apply #22500020 -> 20
\r
297 decs705 apply #22500029 -> 29
\r
298 decs706 apply #22500030 -> 30
\r
299 decs707 apply #22500039 -> 39
\r
300 decs708 apply #22500040 -> 40
\r
301 decs709 apply #22500049 -> 49
\r
302 decs710 apply #22500050 -> 50
\r
303 decs711 apply #22500059 -> 59
\r
304 decs712 apply #22500060 -> 60
\r
305 decs713 apply #22500069 -> 69
\r
306 decs714 apply #22500070 -> 70
\r
307 decs715 apply #22500071 -> 71
\r
308 decs716 apply #22500072 -> 72
\r
309 decs717 apply #22500073 -> 73
\r
310 decs718 apply #22500074 -> 74
\r
311 decs719 apply #22500075 -> 75
\r
312 decs720 apply #22500076 -> 76
\r
313 decs721 apply #22500077 -> 77
\r
314 decs722 apply #22500078 -> 78
\r
315 decs723 apply #22500079 -> 79
\r
317 decs730 apply #2250029e -> 994
\r
318 decs731 apply #2250029f -> 995
\r
319 decs732 apply #225002a0 -> 520
\r
320 decs733 apply #225002a1 -> 521
\r
322 -- DPD: one of each of the huffman groups
\r
323 decs740 apply #225003f7 -> 777
\r
324 decs741 apply #225003f8 -> 778
\r
325 decs742 apply #225003eb -> 787
\r
326 decs743 apply #2250037d -> 877
\r
327 decs744 apply #2250039f -> 997
\r
328 decs745 apply #225003bf -> 979
\r
329 decs746 apply #225003df -> 799
\r
330 decs747 apply #2250006e -> 888
\r
333 -- DPD all-highs cases (includes the 24 redundant codes)
\r
334 decs750 apply #2250006e -> 888
\r
335 decs751 apply #2250016e -> 888
\r
336 decs752 apply #2250026e -> 888
\r
337 decs753 apply #2250036e -> 888
\r
338 decs754 apply #2250006f -> 889
\r
339 decs755 apply #2250016f -> 889
\r
340 decs756 apply #2250026f -> 889
\r
341 decs757 apply #2250036f -> 889
\r
343 decs760 apply #2250007e -> 898
\r
344 decs761 apply #2250017e -> 898
\r
345 decs762 apply #2250027e -> 898
\r
346 decs763 apply #2250037e -> 898
\r
347 decs764 apply #2250007f -> 899
\r
348 decs765 apply #2250017f -> 899
\r
349 decs766 apply #2250027f -> 899
\r
350 decs767 apply #2250037f -> 899
\r
352 decs770 apply #225000ee -> 988
\r
353 decs771 apply #225001ee -> 988
\r
354 decs772 apply #225002ee -> 988
\r
355 decs773 apply #225003ee -> 988
\r
356 decs774 apply #225000ef -> 989
\r
357 decs775 apply #225001ef -> 989
\r
358 decs776 apply #225002ef -> 989
\r
359 decs777 apply #225003ef -> 989
\r
361 decs780 apply #225000fe -> 998
\r
362 decs781 apply #225001fe -> 998
\r
363 decs782 apply #225002fe -> 998
\r
364 decs783 apply #225003fe -> 998
\r
365 decs784 apply #225000ff -> 999
\r
366 decs785 apply #225001ff -> 999
\r
367 decs786 apply #225002ff -> 999
\r
368 decs787 apply #225003ff -> 999
\r
371 decs790 apply 2.00E-99 -> #00000100 Subnormal
\r
372 decs791 apply #00000100 -> 2.00E-99 Subnormal
\r