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
|
------------------------------------------------------------------------
-- ddInvert.decTest -- digitwise logical INVERT for decDoubles --
-- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. --
------------------------------------------------------------------------
-- Please see the document "General Decimal Arithmetic Testcases" --
-- at http://www2.hursley.ibm.com/decimal for the description of --
-- these testcases. --
-- --
-- These testcases are experimental ('beta' versions), and they --
-- may contain errors. They are offered on an as-is basis. In --
-- particular, achieving the same results as the tests here is not --
-- a guarantee that an implementation complies with any Standard --
-- or specification. The tests are not exhaustive. --
-- --
-- Please send comments, suggestions, and corrections to the author: --
-- Mike Cowlishaw, IBM Fellow --
-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
-- mfc@uk.ibm.com --
------------------------------------------------------------------------
version: 2.59
precision: 16
maxExponent: 384
minExponent: -383
extended: 1
clamp: 1
rounding: half_even
-- Sanity check (truth table)
ddinv001 invert 0 -> 1111111111111111
ddinv002 invert 1 -> 1111111111111110
ddinv003 invert 10 -> 1111111111111101
ddinv004 invert 111111111 -> 1111111000000000
ddinv005 invert 000000000 -> 1111111111111111
-- and at msd and msd-1
ddinv007 invert 0000000000000000 -> 1111111111111111
ddinv008 invert 1000000000000000 -> 111111111111111
ddinv009 invert 0000000000000000 -> 1111111111111111
ddinv010 invert 0100000000000000 -> 1011111111111111
ddinv011 invert 0111111111111111 -> 1000000000000000
ddinv012 invert 1111111111111111 -> 0
ddinv013 invert 0011111111111111 -> 1100000000000000
ddinv014 invert 0111111111111111 -> 1000000000000000
-- Various lengths
-- 123456789 1234567890123456
ddinv021 invert 111111111 -> 1111111000000000
ddinv022 invert 111111111111 -> 1111000000000000
ddinv023 invert 11111111 -> 1111111100000000
ddinv025 invert 1111111 -> 1111111110000000
ddinv026 invert 111111 -> 1111111111000000
ddinv027 invert 11111 -> 1111111111100000
ddinv028 invert 1111 -> 1111111111110000
ddinv029 invert 111 -> 1111111111111000
ddinv031 invert 11 -> 1111111111111100
ddinv032 invert 1 -> 1111111111111110
ddinv033 invert 111111111111 -> 1111000000000000
ddinv034 invert 11111111111 -> 1111100000000000
ddinv035 invert 1111111111 -> 1111110000000000
ddinv036 invert 111111111 -> 1111111000000000
ddinv040 invert 011111111 -> 1111111100000000
ddinv041 invert 101111111 -> 1111111010000000
ddinv042 invert 110111111 -> 1111111001000000
ddinv043 invert 111011111 -> 1111111000100000
ddinv044 invert 111101111 -> 1111111000010000
ddinv045 invert 111110111 -> 1111111000001000
ddinv046 invert 111111011 -> 1111111000000100
ddinv047 invert 111111101 -> 1111111000000010
ddinv048 invert 111111110 -> 1111111000000001
ddinv049 invert 011111011 -> 1111111100000100
ddinv050 invert 101111101 -> 1111111010000010
ddinv051 invert 110111110 -> 1111111001000001
ddinv052 invert 111011101 -> 1111111000100010
ddinv053 invert 111101011 -> 1111111000010100
ddinv054 invert 111110111 -> 1111111000001000
ddinv055 invert 111101011 -> 1111111000010100
ddinv056 invert 111011101 -> 1111111000100010
ddinv057 invert 110111110 -> 1111111001000001
ddinv058 invert 101111101 -> 1111111010000010
ddinv059 invert 011111011 -> 1111111100000100
ddinv080 invert 1000000011111111 -> 111111100000000
ddinv081 invert 0100000101111111 -> 1011111010000000
ddinv082 invert 0010000110111111 -> 1101111001000000
ddinv083 invert 0001000111011111 -> 1110111000100000
ddinv084 invert 0000100111101111 -> 1111011000010000
ddinv085 invert 0000010111110111 -> 1111101000001000
ddinv086 invert 0000001111111011 -> 1111110000000100
ddinv087 invert 0000010111111101 -> 1111101000000010
ddinv088 invert 0000100111111110 -> 1111011000000001
ddinv089 invert 0001000011111011 -> 1110111100000100
ddinv090 invert 0010000101111101 -> 1101111010000010
ddinv091 invert 0100000110111110 -> 1011111001000001
ddinv092 invert 1000000111011101 -> 111111000100010
ddinv093 invert 0100000111101011 -> 1011111000010100
ddinv094 invert 0010000111110111 -> 1101111000001000
ddinv095 invert 0001000111101011 -> 1110111000010100
ddinv096 invert 0000100111011101 -> 1111011000100010
ddinv097 invert 0000010110111110 -> 1111101001000001
ddinv098 invert 0000001101111101 -> 1111110010000010
ddinv099 invert 0000010011111011 -> 1111101100000100
-- non-0/1 should not be accepted, nor should signs
ddinv220 invert 111111112 -> NaN Invalid_operation
ddinv221 invert 333333333 -> NaN Invalid_operation
ddinv222 invert 555555555 -> NaN Invalid_operation
ddinv223 invert 777777777 -> NaN Invalid_operation
ddinv224 invert 999999999 -> NaN Invalid_operation
ddinv225 invert 222222222 -> NaN Invalid_operation
ddinv226 invert 444444444 -> NaN Invalid_operation
ddinv227 invert 666666666 -> NaN Invalid_operation
ddinv228 invert 888888888 -> NaN Invalid_operation
ddinv229 invert 999999999 -> NaN Invalid_operation
ddinv230 invert 999999999 -> NaN Invalid_operation
ddinv231 invert 999999999 -> NaN Invalid_operation
ddinv232 invert 999999999 -> NaN Invalid_operation
-- a few randoms
ddinv240 invert 567468689 -> NaN Invalid_operation
ddinv241 invert 567367689 -> NaN Invalid_operation
ddinv242 invert -631917772 -> NaN Invalid_operation
ddinv243 invert -756253257 -> NaN Invalid_operation
ddinv244 invert 835590149 -> NaN Invalid_operation
-- test MSD
ddinv250 invert 2000000000000000 -> NaN Invalid_operation
ddinv251 invert 3000000000000000 -> NaN Invalid_operation
ddinv252 invert 4000000000000000 -> NaN Invalid_operation
ddinv253 invert 5000000000000000 -> NaN Invalid_operation
ddinv254 invert 6000000000000000 -> NaN Invalid_operation
ddinv255 invert 7000000000000000 -> NaN Invalid_operation
ddinv256 invert 8000000000000000 -> NaN Invalid_operation
ddinv257 invert 9000000000000000 -> NaN Invalid_operation
-- test MSD-1
ddinv270 invert 0200001000000000 -> NaN Invalid_operation
ddinv271 invert 0300000100000000 -> NaN Invalid_operation
ddinv272 invert 0400000010000000 -> NaN Invalid_operation
ddinv273 invert 0500000001000000 -> NaN Invalid_operation
ddinv274 invert 1600000000100000 -> NaN Invalid_operation
ddinv275 invert 1700000000010000 -> NaN Invalid_operation
ddinv276 invert 1800000000001000 -> NaN Invalid_operation
ddinv277 invert 1900000000000100 -> NaN Invalid_operation
-- test LSD
ddinv280 invert 0010000000000002 -> NaN Invalid_operation
ddinv281 invert 0001000000000003 -> NaN Invalid_operation
ddinv282 invert 0000100000000004 -> NaN Invalid_operation
ddinv283 invert 0000010000000005 -> NaN Invalid_operation
ddinv284 invert 1000001000000006 -> NaN Invalid_operation
ddinv285 invert 1000000100000007 -> NaN Invalid_operation
ddinv286 invert 1000000010000008 -> NaN Invalid_operation
ddinv287 invert 1000000001000009 -> NaN Invalid_operation
-- test Middie
ddinv288 invert 0010000020000000 -> NaN Invalid_operation
ddinv289 invert 0001000030000001 -> NaN Invalid_operation
ddinv290 invert 0000100040000010 -> NaN Invalid_operation
ddinv291 invert 0000010050000100 -> NaN Invalid_operation
ddinv292 invert 1000001060001000 -> NaN Invalid_operation
ddinv293 invert 1000000170010000 -> NaN Invalid_operation
ddinv294 invert 1000000080100000 -> NaN Invalid_operation
ddinv295 invert 1000000091000000 -> NaN Invalid_operation
-- sign
ddinv296 invert -1000000001000000 -> NaN Invalid_operation
ddinv299 invert 1000000001000000 -> 111111110111111
-- Nmax, Nmin, Ntiny-like
ddinv341 invert 9.99999999E+299 -> NaN Invalid_operation
ddinv342 invert 1E-299 -> NaN Invalid_operation
ddinv343 invert 1.00000000E-299 -> NaN Invalid_operation
ddinv344 invert 1E-207 -> NaN Invalid_operation
ddinv345 invert -1E-207 -> NaN Invalid_operation
ddinv346 invert -1.00000000E-299 -> NaN Invalid_operation
ddinv347 invert -1E-299 -> NaN Invalid_operation
ddinv348 invert -9.99999999E+299 -> NaN Invalid_operation
-- A few other non-integers
ddinv361 invert 1.0 -> NaN Invalid_operation
ddinv362 invert 1E+1 -> NaN Invalid_operation
ddinv363 invert 0.0 -> NaN Invalid_operation
ddinv364 invert 0E+1 -> NaN Invalid_operation
ddinv365 invert 9.9 -> NaN Invalid_operation
ddinv366 invert 9E+1 -> NaN Invalid_operation
-- All Specials are in error
ddinv788 invert -Inf -> NaN Invalid_operation
ddinv794 invert Inf -> NaN Invalid_operation
ddinv821 invert NaN -> NaN Invalid_operation
ddinv841 invert sNaN -> NaN Invalid_operation
-- propagating NaNs
ddinv861 invert NaN1 -> NaN Invalid_operation
ddinv862 invert +NaN2 -> NaN Invalid_operation
ddinv863 invert NaN3 -> NaN Invalid_operation
ddinv864 invert NaN4 -> NaN Invalid_operation
ddinv865 invert NaN5 -> NaN Invalid_operation
ddinv871 invert sNaN11 -> NaN Invalid_operation
ddinv872 invert sNaN12 -> NaN Invalid_operation
ddinv873 invert sNaN13 -> NaN Invalid_operation
ddinv874 invert sNaN14 -> NaN Invalid_operation
ddinv875 invert sNaN15 -> NaN Invalid_operation
ddinv876 invert NaN16 -> NaN Invalid_operation
ddinv881 invert +NaN25 -> NaN Invalid_operation
ddinv882 invert -NaN26 -> NaN Invalid_operation
ddinv883 invert -sNaN27 -> NaN Invalid_operation
|