1 ------------------------------------------------------------------------
2 -- ddMin.decTest -- decDouble minnum --
3 -- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. --
4 ------------------------------------------------------------------------
5 -- Please see the document "General Decimal Arithmetic Testcases" --
6 -- at http://www2.hursley.ibm.com/decimal for the description of --
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. --
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 --
19 ------------------------------------------------------------------------
22 -- we assume that base comparison is tested in compare.decTest, so
23 -- these mainly cover special cases and rounding
32 ddmin001 min -2 -2 -> -2
33 ddmin002 min -2 -1 -> -2
34 ddmin003 min -2 0 -> -2
35 ddmin004 min -2 1 -> -2
36 ddmin005 min -2 2 -> -2
37 ddmin006 min -1 -2 -> -2
38 ddmin007 min -1 -1 -> -1
39 ddmin008 min -1 0 -> -1
40 ddmin009 min -1 1 -> -1
41 ddmin010 min -1 2 -> -1
42 ddmin011 min 0 -2 -> -2
43 ddmin012 min 0 -1 -> -1
47 ddmin016 min 1 -2 -> -2
48 ddmin017 min 1 -1 -> -1
52 ddmin021 min 2 -2 -> -2
53 ddmin022 min 2 -1 -> -1
60 ddmin031 min 0 -0 -> -0
61 ddmin032 min 0 -0.0 -> -0.0
62 ddmin033 min 0 0.0 -> 0.0
63 ddmin034 min -0 0 -> -0
64 ddmin035 min -0 -0 -> -0
65 ddmin036 min -0 -0.0 -> -0
66 ddmin037 min -0 0.0 -> -0
67 ddmin038 min 0.0 0 -> 0.0
68 ddmin039 min 0.0 -0 -> -0
69 ddmin040 min 0.0 -0.0 -> -0.0
70 ddmin041 min 0.0 0.0 -> 0.0
71 ddmin042 min -0.0 0 -> -0.0
72 ddmin043 min -0.0 -0 -> -0
73 ddmin044 min -0.0 -0.0 -> -0.0
74 ddmin045 min -0.0 0.0 -> -0.0
76 ddmin046 min 0E1 -0E1 -> -0E+1
77 ddmin047 min -0E1 0E2 -> -0E+1
78 ddmin048 min 0E2 0E1 -> 0E+1
79 ddmin049 min 0E1 0E2 -> 0E+1
80 ddmin050 min -0E3 -0E2 -> -0E+3
81 ddmin051 min -0E2 -0E3 -> -0E+3
84 ddmin090 min Inf -Inf -> -Infinity
85 ddmin091 min Inf -1000 -> -1000
86 ddmin092 min Inf -1 -> -1
87 ddmin093 min Inf -0 -> -0
88 ddmin094 min Inf 0 -> 0
89 ddmin095 min Inf 1 -> 1
90 ddmin096 min Inf 1000 -> 1000
91 ddmin097 min Inf Inf -> Infinity
92 ddmin098 min -1000 Inf -> -1000
93 ddmin099 min -Inf Inf -> -Infinity
94 ddmin100 min -1 Inf -> -1
95 ddmin101 min -0 Inf -> -0
96 ddmin102 min 0 Inf -> 0
97 ddmin103 min 1 Inf -> 1
98 ddmin104 min 1000 Inf -> 1000
99 ddmin105 min Inf Inf -> Infinity
101 ddmin120 min -Inf -Inf -> -Infinity
102 ddmin121 min -Inf -1000 -> -Infinity
103 ddmin122 min -Inf -1 -> -Infinity
104 ddmin123 min -Inf -0 -> -Infinity
105 ddmin124 min -Inf 0 -> -Infinity
106 ddmin125 min -Inf 1 -> -Infinity
107 ddmin126 min -Inf 1000 -> -Infinity
108 ddmin127 min -Inf Inf -> -Infinity
109 ddmin128 min -Inf -Inf -> -Infinity
110 ddmin129 min -1000 -Inf -> -Infinity
111 ddmin130 min -1 -Inf -> -Infinity
112 ddmin131 min -0 -Inf -> -Infinity
113 ddmin132 min 0 -Inf -> -Infinity
114 ddmin133 min 1 -Inf -> -Infinity
115 ddmin134 min 1000 -Inf -> -Infinity
116 ddmin135 min Inf -Inf -> -Infinity
118 -- 2004.08.02 754r chooses number over NaN in mixed cases
119 ddmin141 min NaN -Inf -> -Infinity
120 ddmin142 min NaN -1000 -> -1000
121 ddmin143 min NaN -1 -> -1
122 ddmin144 min NaN -0 -> -0
123 ddmin145 min NaN 0 -> 0
124 ddmin146 min NaN 1 -> 1
125 ddmin147 min NaN 1000 -> 1000
126 ddmin148 min NaN Inf -> Infinity
127 ddmin149 min NaN NaN -> NaN
128 ddmin150 min -Inf NaN -> -Infinity
129 ddmin151 min -1000 NaN -> -1000
130 ddmin152 min -1 -NaN -> -1
131 ddmin153 min -0 NaN -> -0
132 ddmin154 min 0 -NaN -> 0
133 ddmin155 min 1 NaN -> 1
134 ddmin156 min 1000 NaN -> 1000
135 ddmin157 min Inf NaN -> Infinity
137 ddmin161 min sNaN -Inf -> NaN Invalid_operation
138 ddmin162 min sNaN -1000 -> NaN Invalid_operation
139 ddmin163 min sNaN -1 -> NaN Invalid_operation
140 ddmin164 min sNaN -0 -> NaN Invalid_operation
141 ddmin165 min -sNaN 0 -> -NaN Invalid_operation
142 ddmin166 min -sNaN 1 -> -NaN Invalid_operation
143 ddmin167 min sNaN 1000 -> NaN Invalid_operation
144 ddmin168 min sNaN NaN -> NaN Invalid_operation
145 ddmin169 min sNaN sNaN -> NaN Invalid_operation
146 ddmin170 min NaN sNaN -> NaN Invalid_operation
147 ddmin171 min -Inf sNaN -> NaN Invalid_operation
148 ddmin172 min -1000 sNaN -> NaN Invalid_operation
149 ddmin173 min -1 sNaN -> NaN Invalid_operation
150 ddmin174 min -0 sNaN -> NaN Invalid_operation
151 ddmin175 min 0 sNaN -> NaN Invalid_operation
152 ddmin176 min 1 sNaN -> NaN Invalid_operation
153 ddmin177 min 1000 sNaN -> NaN Invalid_operation
154 ddmin178 min Inf sNaN -> NaN Invalid_operation
155 ddmin179 min NaN sNaN -> NaN Invalid_operation
158 ddmin181 min NaN9 -Inf -> -Infinity
159 ddmin182 min -NaN8 9990 -> 9990
160 ddmin183 min NaN71 Inf -> Infinity
162 ddmin184 min NaN1 NaN54 -> NaN1
163 ddmin185 min NaN22 -NaN53 -> NaN22
164 ddmin186 min -NaN3 NaN6 -> -NaN3
165 ddmin187 min -NaN44 NaN7 -> -NaN44
167 ddmin188 min -Inf NaN41 -> -Infinity
168 ddmin189 min -9999 -NaN33 -> -9999
169 ddmin190 min Inf NaN2 -> Infinity
171 ddmin191 min sNaN99 -Inf -> NaN99 Invalid_operation
172 ddmin192 min sNaN98 -11 -> NaN98 Invalid_operation
173 ddmin193 min -sNaN97 NaN8 -> -NaN97 Invalid_operation
174 ddmin194 min sNaN69 sNaN94 -> NaN69 Invalid_operation
175 ddmin195 min NaN95 sNaN93 -> NaN93 Invalid_operation
176 ddmin196 min -Inf sNaN92 -> NaN92 Invalid_operation
177 ddmin197 min 088 sNaN91 -> NaN91 Invalid_operation
178 ddmin198 min Inf -sNaN90 -> -NaN90 Invalid_operation
179 ddmin199 min NaN sNaN86 -> NaN86 Invalid_operation
181 -- old rounding checks
182 ddmin221 min -12345678000 1 -> -12345678000
183 ddmin222 min 1 -12345678000 -> -12345678000
184 ddmin223 min -1234567800 1 -> -1234567800
185 ddmin224 min 1 -1234567800 -> -1234567800
186 ddmin225 min -1234567890 1 -> -1234567890
187 ddmin226 min 1 -1234567890 -> -1234567890
188 ddmin227 min -1234567891 1 -> -1234567891
189 ddmin228 min 1 -1234567891 -> -1234567891
190 ddmin229 min -12345678901 1 -> -12345678901
191 ddmin230 min 1 -12345678901 -> -12345678901
192 ddmin231 min -1234567896 1 -> -1234567896
193 ddmin232 min 1 -1234567896 -> -1234567896
194 ddmin233 min 1234567891 1 -> 1
195 ddmin234 min 1 1234567891 -> 1
196 ddmin235 min 12345678901 1 -> 1
197 ddmin236 min 1 12345678901 -> 1
198 ddmin237 min 1234567896 1 -> 1
199 ddmin238 min 1 1234567896 -> 1
202 ddmin280 min '3' '2' -> '2'
203 ddmin281 min '-10' '3' -> '-10'
204 ddmin282 min '1.0' '1' -> '1.0'
205 ddmin283 min '1' '1.0' -> '1.0'
206 ddmin284 min '7' 'NaN' -> '7'
208 -- expanded list from min/max 754r purple prose
209 -- [explicit tests for exponent ordering]
210 ddmin401 min Inf 1.1 -> 1.1
211 ddmin402 min 1.1 1 -> 1
212 ddmin403 min 1 1.0 -> 1.0
213 ddmin404 min 1.0 0.1 -> 0.1
214 ddmin405 min 0.1 0.10 -> 0.10
215 ddmin406 min 0.10 0.100 -> 0.100
216 ddmin407 min 0.10 0 -> 0
217 ddmin408 min 0 0.0 -> 0.0
218 ddmin409 min 0.0 -0 -> -0
219 ddmin410 min 0.0 -0.0 -> -0.0
220 ddmin411 min 0.00 -0.0 -> -0.0
221 ddmin412 min 0.0 -0.00 -> -0.00
222 ddmin413 min 0 -0.0 -> -0.0
223 ddmin414 min 0 -0 -> -0
224 ddmin415 min -0.0 -0 -> -0
225 ddmin416 min -0 -0.100 -> -0.100
226 ddmin417 min -0.100 -0.10 -> -0.10
227 ddmin418 min -0.10 -0.1 -> -0.1
228 ddmin419 min -0.1 -1.0 -> -1.0
229 ddmin420 min -1.0 -1 -> -1
230 ddmin421 min -1 -1.1 -> -1.1
231 ddmin423 min -1.1 -Inf -> -Infinity
232 -- same with operands reversed
233 ddmin431 min 1.1 Inf -> 1.1
234 ddmin432 min 1 1.1 -> 1
235 ddmin433 min 1.0 1 -> 1.0
236 ddmin434 min 0.1 1.0 -> 0.1
237 ddmin435 min 0.10 0.1 -> 0.10
238 ddmin436 min 0.100 0.10 -> 0.100
239 ddmin437 min 0 0.10 -> 0
240 ddmin438 min 0.0 0 -> 0.0
241 ddmin439 min -0 0.0 -> -0
242 ddmin440 min -0.0 0.0 -> -0.0
243 ddmin441 min -0.0 0.00 -> -0.0
244 ddmin442 min -0.00 0.0 -> -0.00
245 ddmin443 min -0.0 0 -> -0.0
246 ddmin444 min -0 0 -> -0
247 ddmin445 min -0 -0.0 -> -0
248 ddmin446 min -0.100 -0 -> -0.100
249 ddmin447 min -0.10 -0.100 -> -0.10
250 ddmin448 min -0.1 -0.10 -> -0.1
251 ddmin449 min -1.0 -0.1 -> -1.0
252 ddmin450 min -1 -1.0 -> -1
253 ddmin451 min -1.1 -1 -> -1.1
254 ddmin453 min -Inf -1.1 -> -Infinity
256 ddmin460 min 1000 1E+3 -> 1000
257 ddmin461 min 1E+3 1000 -> 1000
258 ddmin462 min 1000 -1E+3 -> -1E+3
259 ddmin463 min 1E+3 -384 -> -384
260 ddmin464 min -384 1E+3 -> -384
261 ddmin465 min -1E+3 1000 -> -1E+3
262 ddmin466 min -384 -1E+3 -> -1E+3
263 ddmin467 min -1E+3 -384 -> -1E+3
265 -- misalignment traps for little-endian
266 ddmin471 min 1.0 0.1 -> 0.1
267 ddmin472 min 0.1 1.0 -> 0.1
268 ddmin473 min 10.0 0.1 -> 0.1
269 ddmin474 min 0.1 10.0 -> 0.1
270 ddmin475 min 100 1.0 -> 1.0
271 ddmin476 min 1.0 100 -> 1.0
272 ddmin477 min 1000 10.0 -> 10.0
273 ddmin478 min 10.0 1000 -> 10.0
274 ddmin479 min 10000 100.0 -> 100.0
275 ddmin480 min 100.0 10000 -> 100.0
276 ddmin481 min 100000 1000.0 -> 1000.0
277 ddmin482 min 1000.0 100000 -> 1000.0
278 ddmin483 min 1000000 10000.0 -> 10000.0
279 ddmin484 min 10000.0 1000000 -> 10000.0
282 ddmin510 min 1.00E-383 0 -> 0
283 ddmin511 min 0.1E-383 0 -> 0
284 ddmin512 min 0.10E-383 0 -> 0
285 ddmin513 min 0.100E-383 0 -> 0
286 ddmin514 min 0.01E-383 0 -> 0
287 ddmin515 min 0.999E-383 0 -> 0
288 ddmin516 min 0.099E-383 0 -> 0
289 ddmin517 min 0.009E-383 0 -> 0
290 ddmin518 min 0.001E-383 0 -> 0
291 ddmin519 min 0.0009E-383 0 -> 0
292 ddmin520 min 0.0001E-383 0 -> 0
294 ddmin530 min -1.00E-383 0 -> -1.00E-383
295 ddmin531 min -0.1E-383 0 -> -1E-384 Subnormal
296 ddmin532 min -0.10E-383 0 -> -1.0E-384 Subnormal
297 ddmin533 min -0.100E-383 0 -> -1.00E-384 Subnormal
298 ddmin534 min -0.01E-383 0 -> -1E-385 Subnormal
299 ddmin535 min -0.999E-383 0 -> -9.99E-384 Subnormal
300 ddmin536 min -0.099E-383 0 -> -9.9E-385 Subnormal
301 ddmin537 min -0.009E-383 0 -> -9E-386 Subnormal
302 ddmin538 min -0.001E-383 0 -> -1E-386 Subnormal
303 ddmin539 min -0.0009E-383 0 -> -9E-387 Subnormal
304 ddmin540 min -0.0001E-383 0 -> -1E-387 Subnormal
308 ddmin900 min 10 # -> NaN Invalid_operation
309 ddmin901 min # 10 -> NaN Invalid_operation