1 ------------------------------------------------------------------------
2 -- scaleb.decTest -- scale a number by powers of 10 --
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 ------------------------------------------------------------------------
28 -- Max |rhs| is 2*(999+9) = 2016
31 scbx001 scaleb 7.50 10 -> 7.50E+10
32 scbx002 scaleb 7.50 3 -> 7.50E+3
33 scbx003 scaleb 7.50 2 -> 750
34 scbx004 scaleb 7.50 1 -> 75.0
35 scbx005 scaleb 7.50 0 -> 7.50
36 scbx006 scaleb 7.50 -1 -> 0.750
37 scbx007 scaleb 7.50 -2 -> 0.0750
38 scbx008 scaleb 7.50 -10 -> 7.50E-10
39 scbx009 scaleb -7.50 3 -> -7.50E+3
40 scbx010 scaleb -7.50 2 -> -750
41 scbx011 scaleb -7.50 1 -> -75.0
42 scbx012 scaleb -7.50 0 -> -7.50
43 scbx013 scaleb -7.50 -1 -> -0.750
46 scbx014 scaleb Infinity 1 -> Infinity
47 scbx015 scaleb -Infinity 2 -> -Infinity
48 scbx016 scaleb Infinity -1 -> Infinity
49 scbx017 scaleb -Infinity -2 -> -Infinity
51 -- Next two are somewhat undefined in 754r; treat as non-integer
52 scbx018 scaleb 10 Infinity -> NaN Invalid_operation
53 scbx019 scaleb 10 -Infinity -> NaN Invalid_operation
55 -- NaNs are undefined in 754r; assume usual processing
57 scbx021 scaleb NaN 1 -> NaN
58 scbx022 scaleb -NaN -1 -> -NaN
59 scbx023 scaleb sNaN 1 -> NaN Invalid_operation
60 scbx024 scaleb -sNaN 1 -> -NaN Invalid_operation
61 scbx025 scaleb 4 NaN -> NaN
62 scbx026 scaleb -Inf -NaN -> -NaN
63 scbx027 scaleb 4 sNaN -> NaN Invalid_operation
64 scbx028 scaleb Inf -sNaN -> -NaN Invalid_operation
67 scbx030 scaleb 1.23 1 -> 12.3
68 scbx031 scaleb 1.23 1.00 -> NaN Invalid_operation
69 scbx032 scaleb 1.23 1.1 -> NaN Invalid_operation
70 scbx033 scaleb 1.23 1.01 -> NaN Invalid_operation
71 scbx034 scaleb 1.23 0.01 -> NaN Invalid_operation
72 scbx035 scaleb 1.23 0.11 -> NaN Invalid_operation
73 scbx036 scaleb 1.23 0.999999999 -> NaN Invalid_operation
74 scbx037 scaleb 1.23 -1 -> 0.123
75 scbx038 scaleb 1.23 -1.00 -> NaN Invalid_operation
76 scbx039 scaleb 1.23 -1.1 -> NaN Invalid_operation
77 scbx040 scaleb 1.23 -1.01 -> NaN Invalid_operation
78 scbx041 scaleb 1.23 -0.01 -> NaN Invalid_operation
79 scbx042 scaleb 1.23 -0.11 -> NaN Invalid_operation
80 scbx043 scaleb 1.23 -0.999999999 -> NaN Invalid_operation
81 scbx044 scaleb 1.23 0.1 -> NaN Invalid_operation
82 scbx045 scaleb 1.23 1E+1 -> NaN Invalid_operation
83 scbx046 scaleb 1.23 1.1234E+6 -> NaN Invalid_operation
84 scbx047 scaleb 1.23 1.123E+4 -> NaN Invalid_operation
87 scbx120 scaleb 1.23 2015 -> Infinity Overflow Inexact Rounded
88 scbx121 scaleb 1.23 2016 -> Infinity Overflow Inexact Rounded
89 scbx122 scaleb 1.23 2017 -> NaN Invalid_operation
90 scbx123 scaleb 1.23 2018 -> NaN Invalid_operation
91 scbx124 scaleb 1.23 -2015 -> 0E-1007 Underflow Subnormal Inexact Rounded Clamped
92 scbx125 scaleb 1.23 -2016 -> 0E-1007 Underflow Subnormal Inexact Rounded Clamped
93 scbx126 scaleb 1.23 -2017 -> NaN Invalid_operation
94 scbx127 scaleb 1.23 -2018 -> NaN Invalid_operation
96 -- NaNs, non-0 payload
98 scbx861 scaleb NaN01 -Inf -> NaN1
99 scbx862 scaleb -NaN02 -1000 -> -NaN2
100 scbx863 scaleb NaN03 1000 -> NaN3
101 scbx864 scaleb NaN04 Inf -> NaN4
102 scbx865 scaleb NaN05 NaN61 -> NaN5
103 scbx866 scaleb -Inf -NaN71 -> -NaN71
104 scbx867 scaleb -1000 NaN81 -> NaN81
105 scbx868 scaleb 1000 NaN91 -> NaN91
106 scbx869 scaleb Inf NaN101 -> NaN101
107 scbx871 scaleb sNaN011 -Inf -> NaN11 Invalid_operation
108 scbx872 scaleb sNaN012 -1000 -> NaN12 Invalid_operation
109 scbx873 scaleb -sNaN013 1000 -> -NaN13 Invalid_operation
110 scbx874 scaleb sNaN014 NaN171 -> NaN14 Invalid_operation
111 scbx875 scaleb sNaN015 sNaN181 -> NaN15 Invalid_operation
112 scbx876 scaleb NaN016 sNaN191 -> NaN191 Invalid_operation
113 scbx877 scaleb -Inf sNaN201 -> NaN201 Invalid_operation
114 scbx878 scaleb -1000 sNaN211 -> NaN211 Invalid_operation
115 scbx879 scaleb 1000 -sNaN221 -> -NaN221 Invalid_operation
116 scbx880 scaleb Inf sNaN231 -> NaN231 Invalid_operation
117 scbx881 scaleb NaN025 sNaN241 -> NaN241 Invalid_operation
120 scbx051 scaleb 7 -2 -> 0.07
121 scbx052 scaleb -7 -2 -> -0.07
122 scbx053 scaleb 75 -2 -> 0.75
123 scbx054 scaleb -75 -2 -> -0.75
124 scbx055 scaleb 7.50 -2 -> 0.0750
125 scbx056 scaleb -7.50 -2 -> -0.0750
126 scbx057 scaleb 7.500 -2 -> 0.07500
127 scbx058 scaleb -7.500 -2 -> -0.07500
128 scbx061 scaleb 7 -1 -> 0.7
129 scbx062 scaleb -7 -1 -> -0.7
130 scbx063 scaleb 75 -1 -> 7.5
131 scbx064 scaleb -75 -1 -> -7.5
132 scbx065 scaleb 7.50 -1 -> 0.750
133 scbx066 scaleb -7.50 -1 -> -0.750
134 scbx067 scaleb 7.500 -1 -> 0.7500
135 scbx068 scaleb -7.500 -1 -> -0.7500
136 scbx071 scaleb 7 0 -> 7
137 scbx072 scaleb -7 0 -> -7
138 scbx073 scaleb 75 0 -> 75
139 scbx074 scaleb -75 0 -> -75
140 scbx075 scaleb 7.50 0 -> 7.50
141 scbx076 scaleb -7.50 0 -> -7.50
142 scbx077 scaleb 7.500 0 -> 7.500
143 scbx078 scaleb -7.500 0 -> -7.500
144 scbx081 scaleb 7 1 -> 7E+1
145 scbx082 scaleb -7 1 -> -7E+1
146 scbx083 scaleb 75 1 -> 7.5E+2
147 scbx084 scaleb -75 1 -> -7.5E+2
148 scbx085 scaleb 7.50 1 -> 75.0
149 scbx086 scaleb -7.50 1 -> -75.0
150 scbx087 scaleb 7.500 1 -> 75.00
151 scbx088 scaleb -7.500 1 -> -75.00
152 scbx091 scaleb 7 2 -> 7E+2
153 scbx092 scaleb -7 2 -> -7E+2
154 scbx093 scaleb 75 2 -> 7.5E+3
155 scbx094 scaleb -75 2 -> -7.5E+3
156 scbx095 scaleb 7.50 2 -> 750
157 scbx096 scaleb -7.50 2 -> -750
158 scbx097 scaleb 7.500 2 -> 750.0
159 scbx098 scaleb -7.500 2 -> -750.0
162 scbx111 scaleb 0 1 -> 0E+1
163 scbx112 scaleb -0 2 -> -0E+2
164 scbx113 scaleb 0E+4 3 -> 0E+7
165 scbx114 scaleb -0E+4 4 -> -0E+8
166 scbx115 scaleb 0.0000 5 -> 0E+1
167 scbx116 scaleb -0.0000 6 -> -0E+2
168 scbx117 scaleb 0E-141 7 -> 0E-134
169 scbx118 scaleb -0E-141 8 -> -0E-133
172 scbx132 scaleb 9.99999999E+999 +999 -> Infinity Overflow Inexact Rounded
173 scbx133 scaleb 9.99999999E+999 +10 -> Infinity Overflow Inexact Rounded
174 scbx134 scaleb 9.99999999E+999 +1 -> Infinity Overflow Inexact Rounded
175 scbx135 scaleb 9.99999999E+999 0 -> 9.99999999E+999
176 scbx136 scaleb 9.99999999E+999 -1 -> 9.99999999E+998
177 scbx137 scaleb 1E-999 +1 -> 1E-998
178 scbx138 scaleb 1E-999 -0 -> 1E-999
179 scbx139 scaleb 1E-999 -1 -> 1E-1000 Subnormal
180 scbx140 scaleb 1.00000000E-999 +1 -> 1.00000000E-998
181 scbx141 scaleb 1.00000000E-999 0 -> 1.00000000E-999
182 scbx142 scaleb 1.00000000E-999 -1 -> 1.0000000E-1000 Subnormal Rounded
183 scbx143 scaleb 1E-1007 +1 -> 1E-1006 Subnormal
184 scbx144 scaleb 1E-1007 -0 -> 1E-1007 Subnormal
185 scbx145 scaleb 1E-1007 -1 -> 0E-1007 Underflow Subnormal Inexact Rounded Clamped
187 scbx150 scaleb -1E-1007 +1 -> -1E-1006 Subnormal
188 scbx151 scaleb -1E-1007 -0 -> -1E-1007 Subnormal
189 scbx152 scaleb -1E-1007 -1 -> -0E-1007 Underflow Subnormal Inexact Rounded Clamped
190 scbx153 scaleb -1.00000000E-999 +1 -> -1.00000000E-998
191 scbx154 scaleb -1.00000000E-999 +0 -> -1.00000000E-999
192 scbx155 scaleb -1.00000000E-999 -1 -> -1.0000000E-1000 Subnormal Rounded
193 scbx156 scaleb -1E-999 +1 -> -1E-998
194 scbx157 scaleb -1E-999 -0 -> -1E-999
195 scbx158 scaleb -1E-999 -1 -> -1E-1000 Subnormal
196 scbx159 scaleb -9.99999999E+999 +1 -> -Infinity Overflow Inexact Rounded
197 scbx160 scaleb -9.99999999E+999 +0 -> -9.99999999E+999
198 scbx161 scaleb -9.99999999E+999 -1 -> -9.99999999E+998
199 scbx162 scaleb -9E+999 +1 -> -Infinity Overflow Inexact Rounded
200 scbx163 scaleb -1E+999 +1 -> -Infinity Overflow Inexact Rounded
204 maxExponent: 999999999
205 minExponent: -999999999
206 -- integer overflow in 3.61 or earlier
207 scbx164 scaleb 1E-999999999 -1200000000 -> NaN Invalid_operation
209 scbx165 scaleb -1E-999999999 +1200000000 -> NaN Invalid_operation