summaryrefslogtreecommitdiff
path: root/lib/python2.7/test/decimaltestdata/ddReduce.decTest
blob: 9529e50a7527a7f058d452d3eedf418952ac114a (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
------------------------------------------------------------------------
-- ddReduce.decTest -- remove trailing zeros from a decDouble         --
-- Copyright (c) IBM Corporation, 2003, 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

ddred001 reduce '1'      -> '1'
ddred002 reduce '-1'     -> '-1'
ddred003 reduce '1.00'   -> '1'
ddred004 reduce '-1.00'  -> '-1'
ddred005 reduce '0'      -> '0'
ddred006 reduce '0.00'   -> '0'
ddred007 reduce '00.0'   -> '0'
ddred008 reduce '00.00'  -> '0'
ddred009 reduce '00'     -> '0'
ddred010 reduce '0E+1'   -> '0'
ddred011 reduce '0E+5'   -> '0'

ddred012 reduce '-2'     -> '-2'
ddred013 reduce '2'      -> '2'
ddred014 reduce '-2.00'  -> '-2'
ddred015 reduce '2.00'   -> '2'
ddred016 reduce '-0'     -> '-0'
ddred017 reduce '-0.00'  -> '-0'
ddred018 reduce '-00.0'  -> '-0'
ddred019 reduce '-00.00' -> '-0'
ddred020 reduce '-00'    -> '-0'
ddred021 reduce '-0E+5'   -> '-0'
ddred022 reduce '-0E+1'  -> '-0'

ddred030 reduce '+0.1'            -> '0.1'
ddred031 reduce '-0.1'            -> '-0.1'
ddred032 reduce '+0.01'           -> '0.01'
ddred033 reduce '-0.01'           -> '-0.01'
ddred034 reduce '+0.001'          -> '0.001'
ddred035 reduce '-0.001'          -> '-0.001'
ddred036 reduce '+0.000001'       -> '0.000001'
ddred037 reduce '-0.000001'       -> '-0.000001'
ddred038 reduce '+0.000000000001' -> '1E-12'
ddred039 reduce '-0.000000000001' -> '-1E-12'

ddred041 reduce 1.1        -> 1.1
ddred042 reduce 1.10       -> 1.1
ddred043 reduce 1.100      -> 1.1
ddred044 reduce 1.110      -> 1.11
ddred045 reduce -1.1       -> -1.1
ddred046 reduce -1.10      -> -1.1
ddred047 reduce -1.100     -> -1.1
ddred048 reduce -1.110     -> -1.11
ddred049 reduce 9.9        -> 9.9
ddred050 reduce 9.90       -> 9.9
ddred051 reduce 9.900      -> 9.9
ddred052 reduce 9.990      -> 9.99
ddred053 reduce -9.9       -> -9.9
ddred054 reduce -9.90      -> -9.9
ddred055 reduce -9.900     -> -9.9
ddred056 reduce -9.990     -> -9.99

-- some trailing fractional zeros with zeros in units
ddred060 reduce  10.0        -> 1E+1
ddred061 reduce  10.00       -> 1E+1
ddred062 reduce  100.0       -> 1E+2
ddred063 reduce  100.00      -> 1E+2
ddred064 reduce  1.1000E+3   -> 1.1E+3
ddred065 reduce  1.10000E+3  -> 1.1E+3
ddred066 reduce -10.0        -> -1E+1
ddred067 reduce -10.00       -> -1E+1
ddred068 reduce -100.0       -> -1E+2
ddred069 reduce -100.00      -> -1E+2
ddred070 reduce -1.1000E+3   -> -1.1E+3
ddred071 reduce -1.10000E+3  -> -1.1E+3

-- some insignificant trailing zeros with positive exponent
ddred080 reduce  10E+1       -> 1E+2
ddred081 reduce  100E+1      -> 1E+3
ddred082 reduce  1.0E+2      -> 1E+2
ddred083 reduce  1.0E+3      -> 1E+3
ddred084 reduce  1.1E+3      -> 1.1E+3
ddred085 reduce  1.00E+3     -> 1E+3
ddred086 reduce  1.10E+3     -> 1.1E+3
ddred087 reduce -10E+1       -> -1E+2
ddred088 reduce -100E+1      -> -1E+3
ddred089 reduce -1.0E+2      -> -1E+2
ddred090 reduce -1.0E+3      -> -1E+3
ddred091 reduce -1.1E+3      -> -1.1E+3
ddred092 reduce -1.00E+3     -> -1E+3
ddred093 reduce -1.10E+3     -> -1.1E+3

-- some significant trailing zeros, were we to be trimming
ddred100 reduce  11          -> 11
ddred101 reduce  10          -> 1E+1
ddred102 reduce  10.         -> 1E+1
ddred103 reduce  1.1E+1      -> 11
ddred104 reduce  1.0E+1      -> 1E+1
ddred105 reduce  1.10E+2     -> 1.1E+2
ddred106 reduce  1.00E+2     -> 1E+2
ddred107 reduce  1.100E+3    -> 1.1E+3
ddred108 reduce  1.000E+3    -> 1E+3
ddred109 reduce  1.000000E+6 -> 1E+6
ddred110 reduce -11          -> -11
ddred111 reduce -10          -> -1E+1
ddred112 reduce -10.         -> -1E+1
ddred113 reduce -1.1E+1      -> -11
ddred114 reduce -1.0E+1      -> -1E+1
ddred115 reduce -1.10E+2     -> -1.1E+2
ddred116 reduce -1.00E+2     -> -1E+2
ddred117 reduce -1.100E+3    -> -1.1E+3
ddred118 reduce -1.000E+3    -> -1E+3
ddred119 reduce -1.00000E+5  -> -1E+5
ddred120 reduce -1.000000E+6 -> -1E+6
ddred121 reduce -10.00000E+6 -> -1E+7
ddred122 reduce -100.0000E+6 -> -1E+8
ddred123 reduce -1000.000E+6 -> -1E+9
ddred124 reduce -10000.00E+6 -> -1E+10
ddred125 reduce -100000.0E+6 -> -1E+11
ddred126 reduce -1000000.E+6 -> -1E+12

-- examples from decArith
ddred140 reduce '2.1'     ->  '2.1'
ddred141 reduce '-2.0'    ->  '-2'
ddred142 reduce '1.200'   ->  '1.2'
ddred143 reduce '-120'    ->  '-1.2E+2'
ddred144 reduce '120.00'  ->  '1.2E+2'
ddred145 reduce '0.00'    ->  '0'

-- Nmax, Nmin, Ntiny
-- note origami effect on some of these
ddred151 reduce  9.999999999999999E+384   -> 9.999999999999999E+384
ddred152 reduce  9.999999000000000E+380   -> 9.99999900000E+380
ddred153 reduce  9.999999999990000E+384   -> 9.999999999990000E+384
ddred154 reduce  1E-383                   -> 1E-383
ddred155 reduce  1.000000000000000E-383   -> 1E-383
ddred156 reduce  2.000E-395               -> 2E-395   Subnormal
ddred157 reduce  1E-398                   -> 1E-398   Subnormal

ddred161 reduce  -1E-398                  -> -1E-398  Subnormal
ddred162 reduce  -2.000E-395              -> -2E-395  Subnormal
ddred163 reduce  -1.000000000000000E-383  -> -1E-383
ddred164 reduce  -1E-383                  -> -1E-383
ddred165 reduce  -9.999999000000000E+380  -> -9.99999900000E+380
ddred166 reduce  -9.999999999990000E+384  -> -9.999999999990000E+384
ddred167 reduce  -9.999999999999990E+384  -> -9.999999999999990E+384
ddred168 reduce  -9.999999999999999E+384  -> -9.999999999999999E+384
ddred169 reduce  -9.999999999999990E+384  -> -9.999999999999990E+384


-- specials (reduce does not affect payload)
ddred820 reduce 'Inf'    -> 'Infinity'
ddred821 reduce '-Inf'   -> '-Infinity'
ddred822 reduce   NaN    ->  NaN
ddred823 reduce  sNaN    ->  NaN    Invalid_operation
ddred824 reduce   NaN101 ->  NaN101
ddred825 reduce  sNaN010 ->  NaN10  Invalid_operation
ddred827 reduce  -NaN    -> -NaN
ddred828 reduce -sNaN    -> -NaN    Invalid_operation
ddred829 reduce  -NaN101 -> -NaN101
ddred830 reduce -sNaN010 -> -NaN10  Invalid_operation

-- Null test
ddred900 reduce  # -> NaN Invalid_operation