|
1 ------------------------------------------------------------------------ |
|
2 -- ddScalebB.decTest -- scale a decDouble by powers of 10 -- |
|
3 -- Copyright (c) IBM Corporation, 1981, 2007. 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 -- |
|
7 -- these testcases. -- |
|
8 -- -- |
|
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. -- |
|
14 -- -- |
|
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 -- |
|
18 -- mfc@uk.ibm.com -- |
|
19 ------------------------------------------------------------------------ |
|
20 version: 2.57 |
|
21 |
|
22 precision: 16 |
|
23 maxExponent: 384 |
|
24 minExponent: -383 |
|
25 extended: 1 |
|
26 clamp: 1 |
|
27 rounding: half_even |
|
28 |
|
29 -- Max |rhs| is 2*(384+16) = 800 |
|
30 |
|
31 -- Sanity checks |
|
32 ddscb001 scaleb 7.50 10 -> 7.50E+10 |
|
33 ddscb002 scaleb 7.50 3 -> 7.50E+3 |
|
34 ddscb003 scaleb 7.50 2 -> 750 |
|
35 ddscb004 scaleb 7.50 1 -> 75.0 |
|
36 ddscb005 scaleb 7.50 0 -> 7.50 |
|
37 ddscb006 scaleb 7.50 -1 -> 0.750 |
|
38 ddscb007 scaleb 7.50 -2 -> 0.0750 |
|
39 ddscb008 scaleb 7.50 -10 -> 7.50E-10 |
|
40 ddscb009 scaleb -7.50 3 -> -7.50E+3 |
|
41 ddscb010 scaleb -7.50 2 -> -750 |
|
42 ddscb011 scaleb -7.50 1 -> -75.0 |
|
43 ddscb012 scaleb -7.50 0 -> -7.50 |
|
44 ddscb013 scaleb -7.50 -1 -> -0.750 |
|
45 |
|
46 -- Infinities |
|
47 ddscb014 scaleb Infinity 1 -> Infinity |
|
48 ddscb015 scaleb -Infinity 2 -> -Infinity |
|
49 ddscb016 scaleb Infinity -1 -> Infinity |
|
50 ddscb017 scaleb -Infinity -2 -> -Infinity |
|
51 |
|
52 -- Next two are somewhat undefined in 754r; treat as non-integer |
|
53 ddscb018 scaleb 10 Infinity -> NaN Invalid_operation |
|
54 ddscb019 scaleb 10 -Infinity -> NaN Invalid_operation |
|
55 |
|
56 -- NaNs are undefined in 754r; assume usual processing |
|
57 -- NaNs, 0 payload |
|
58 ddscb021 scaleb NaN 1 -> NaN |
|
59 ddscb022 scaleb -NaN -1 -> -NaN |
|
60 ddscb023 scaleb sNaN 1 -> NaN Invalid_operation |
|
61 ddscb024 scaleb -sNaN 1 -> -NaN Invalid_operation |
|
62 ddscb025 scaleb 4 NaN -> NaN |
|
63 ddscb026 scaleb -Inf -NaN -> -NaN |
|
64 ddscb027 scaleb 4 sNaN -> NaN Invalid_operation |
|
65 ddscb028 scaleb Inf -sNaN -> -NaN Invalid_operation |
|
66 |
|
67 -- non-integer RHS |
|
68 ddscb030 scaleb 1.23 1 -> 12.3 |
|
69 ddscb031 scaleb 1.23 1.00 -> NaN Invalid_operation |
|
70 ddscb032 scaleb 1.23 1.1 -> NaN Invalid_operation |
|
71 ddscb033 scaleb 1.23 1.01 -> NaN Invalid_operation |
|
72 ddscb034 scaleb 1.23 0.01 -> NaN Invalid_operation |
|
73 ddscb035 scaleb 1.23 0.11 -> NaN Invalid_operation |
|
74 ddscb036 scaleb 1.23 0.999999999 -> NaN Invalid_operation |
|
75 ddscb037 scaleb 1.23 -1 -> 0.123 |
|
76 ddscb038 scaleb 1.23 -1.00 -> NaN Invalid_operation |
|
77 ddscb039 scaleb 1.23 -1.1 -> NaN Invalid_operation |
|
78 ddscb040 scaleb 1.23 -1.01 -> NaN Invalid_operation |
|
79 ddscb041 scaleb 1.23 -0.01 -> NaN Invalid_operation |
|
80 ddscb042 scaleb 1.23 -0.11 -> NaN Invalid_operation |
|
81 ddscb043 scaleb 1.23 -0.999999999 -> NaN Invalid_operation |
|
82 ddscb044 scaleb 1.23 0.1 -> NaN Invalid_operation |
|
83 ddscb045 scaleb 1.23 1E+1 -> NaN Invalid_operation |
|
84 ddscb046 scaleb 1.23 1.1234E+6 -> NaN Invalid_operation |
|
85 ddscb047 scaleb 1.23 1.123E+4 -> NaN Invalid_operation |
|
86 |
|
87 -- out-of range RHS |
|
88 ddscb120 scaleb 1.23 799 -> Infinity Overflow Inexact Rounded |
|
89 ddscb121 scaleb 1.23 800 -> Infinity Overflow Inexact Rounded |
|
90 ddscb122 scaleb 1.23 801 -> NaN Invalid_operation |
|
91 ddscb123 scaleb 1.23 802 -> NaN Invalid_operation |
|
92 ddscb124 scaleb 1.23 -799 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped |
|
93 ddscb125 scaleb 1.23 -800 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped |
|
94 ddscb126 scaleb 1.23 -801 -> NaN Invalid_operation |
|
95 ddscb127 scaleb 1.23 -802 -> NaN Invalid_operation |
|
96 |
|
97 -- NaNs, non-0 payload |
|
98 -- propagating NaNs |
|
99 ddscb861 scaleb NaN01 -Inf -> NaN1 |
|
100 ddscb862 scaleb -NaN02 -1000 -> -NaN2 |
|
101 ddscb863 scaleb NaN03 1000 -> NaN3 |
|
102 ddscb864 scaleb NaN04 Inf -> NaN4 |
|
103 ddscb865 scaleb NaN05 NaN61 -> NaN5 |
|
104 ddscb866 scaleb -Inf -NaN71 -> -NaN71 |
|
105 ddscb867 scaleb -1000 NaN81 -> NaN81 |
|
106 ddscb868 scaleb 1000 NaN91 -> NaN91 |
|
107 ddscb869 scaleb Inf NaN101 -> NaN101 |
|
108 ddscb871 scaleb sNaN011 -Inf -> NaN11 Invalid_operation |
|
109 ddscb872 scaleb sNaN012 -1000 -> NaN12 Invalid_operation |
|
110 ddscb873 scaleb -sNaN013 1000 -> -NaN13 Invalid_operation |
|
111 ddscb874 scaleb sNaN014 NaN171 -> NaN14 Invalid_operation |
|
112 ddscb875 scaleb sNaN015 sNaN181 -> NaN15 Invalid_operation |
|
113 ddscb876 scaleb NaN016 sNaN191 -> NaN191 Invalid_operation |
|
114 ddscb877 scaleb -Inf sNaN201 -> NaN201 Invalid_operation |
|
115 ddscb878 scaleb -1000 sNaN211 -> NaN211 Invalid_operation |
|
116 ddscb879 scaleb 1000 -sNaN221 -> -NaN221 Invalid_operation |
|
117 ddscb880 scaleb Inf sNaN231 -> NaN231 Invalid_operation |
|
118 ddscb881 scaleb NaN025 sNaN241 -> NaN241 Invalid_operation |
|
119 |
|
120 -- finites |
|
121 ddscb051 scaleb 7 -2 -> 0.07 |
|
122 ddscb052 scaleb -7 -2 -> -0.07 |
|
123 ddscb053 scaleb 75 -2 -> 0.75 |
|
124 ddscb054 scaleb -75 -2 -> -0.75 |
|
125 ddscb055 scaleb 7.50 -2 -> 0.0750 |
|
126 ddscb056 scaleb -7.50 -2 -> -0.0750 |
|
127 ddscb057 scaleb 7.500 -2 -> 0.07500 |
|
128 ddscb058 scaleb -7.500 -2 -> -0.07500 |
|
129 ddscb061 scaleb 7 -1 -> 0.7 |
|
130 ddscb062 scaleb -7 -1 -> -0.7 |
|
131 ddscb063 scaleb 75 -1 -> 7.5 |
|
132 ddscb064 scaleb -75 -1 -> -7.5 |
|
133 ddscb065 scaleb 7.50 -1 -> 0.750 |
|
134 ddscb066 scaleb -7.50 -1 -> -0.750 |
|
135 ddscb067 scaleb 7.500 -1 -> 0.7500 |
|
136 ddscb068 scaleb -7.500 -1 -> -0.7500 |
|
137 ddscb071 scaleb 7 0 -> 7 |
|
138 ddscb072 scaleb -7 0 -> -7 |
|
139 ddscb073 scaleb 75 0 -> 75 |
|
140 ddscb074 scaleb -75 0 -> -75 |
|
141 ddscb075 scaleb 7.50 0 -> 7.50 |
|
142 ddscb076 scaleb -7.50 0 -> -7.50 |
|
143 ddscb077 scaleb 7.500 0 -> 7.500 |
|
144 ddscb078 scaleb -7.500 0 -> -7.500 |
|
145 ddscb081 scaleb 7 1 -> 7E+1 |
|
146 ddscb082 scaleb -7 1 -> -7E+1 |
|
147 ddscb083 scaleb 75 1 -> 7.5E+2 |
|
148 ddscb084 scaleb -75 1 -> -7.5E+2 |
|
149 ddscb085 scaleb 7.50 1 -> 75.0 |
|
150 ddscb086 scaleb -7.50 1 -> -75.0 |
|
151 ddscb087 scaleb 7.500 1 -> 75.00 |
|
152 ddscb088 scaleb -7.500 1 -> -75.00 |
|
153 ddscb091 scaleb 7 2 -> 7E+2 |
|
154 ddscb092 scaleb -7 2 -> -7E+2 |
|
155 ddscb093 scaleb 75 2 -> 7.5E+3 |
|
156 ddscb094 scaleb -75 2 -> -7.5E+3 |
|
157 ddscb095 scaleb 7.50 2 -> 750 |
|
158 ddscb096 scaleb -7.50 2 -> -750 |
|
159 ddscb097 scaleb 7.500 2 -> 750.0 |
|
160 ddscb098 scaleb -7.500 2 -> -750.0 |
|
161 |
|
162 -- zeros |
|
163 ddscb111 scaleb 0 1 -> 0E+1 |
|
164 ddscb112 scaleb -0 2 -> -0E+2 |
|
165 ddscb113 scaleb 0E+4 3 -> 0E+7 |
|
166 ddscb114 scaleb -0E+4 4 -> -0E+8 |
|
167 ddscb115 scaleb 0.0000 5 -> 0E+1 |
|
168 ddscb116 scaleb -0.0000 6 -> -0E+2 |
|
169 ddscb117 scaleb 0E-141 7 -> 0E-134 |
|
170 ddscb118 scaleb -0E-141 8 -> -0E-133 |
|
171 |
|
172 -- Nmax, Nmin, Ntiny |
|
173 ddscb132 scaleb 9.999999999999999E+384 +384 -> Infinity Overflow Inexact Rounded |
|
174 ddscb133 scaleb 9.999999999999999E+384 +10 -> Infinity Overflow Inexact Rounded |
|
175 ddscb134 scaleb 9.999999999999999E+384 +1 -> Infinity Overflow Inexact Rounded |
|
176 ddscb135 scaleb 9.999999999999999E+384 0 -> 9.999999999999999E+384 |
|
177 ddscb136 scaleb 9.999999999999999E+384 -1 -> 9.999999999999999E+383 |
|
178 ddscb137 scaleb 1E-383 +1 -> 1E-382 |
|
179 ddscb138 scaleb 1E-383 -0 -> 1E-383 |
|
180 ddscb139 scaleb 1E-383 -1 -> 1E-384 Subnormal |
|
181 ddscb140 scaleb 1.000000000000000E-383 +1 -> 1.000000000000000E-382 |
|
182 ddscb141 scaleb 1.000000000000000E-383 0 -> 1.000000000000000E-383 |
|
183 ddscb142 scaleb 1.000000000000000E-383 -1 -> 1.00000000000000E-384 Subnormal Rounded |
|
184 ddscb143 scaleb 1E-398 +1 -> 1E-397 Subnormal |
|
185 ddscb144 scaleb 1E-398 -0 -> 1E-398 Subnormal |
|
186 ddscb145 scaleb 1E-398 -1 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped |
|
187 |
|
188 ddscb150 scaleb -1E-398 +1 -> -1E-397 Subnormal |
|
189 ddscb151 scaleb -1E-398 -0 -> -1E-398 Subnormal |
|
190 ddscb152 scaleb -1E-398 -1 -> -0E-398 Underflow Subnormal Inexact Rounded Clamped |
|
191 ddscb153 scaleb -1.000000000000000E-383 +1 -> -1.000000000000000E-382 |
|
192 ddscb154 scaleb -1.000000000000000E-383 +0 -> -1.000000000000000E-383 |
|
193 ddscb155 scaleb -1.000000000000000E-383 -1 -> -1.00000000000000E-384 Subnormal Rounded |
|
194 ddscb156 scaleb -1E-383 +1 -> -1E-382 |
|
195 ddscb157 scaleb -1E-383 -0 -> -1E-383 |
|
196 ddscb158 scaleb -1E-383 -1 -> -1E-384 Subnormal |
|
197 ddscb159 scaleb -9.999999999999999E+384 +1 -> -Infinity Overflow Inexact Rounded |
|
198 ddscb160 scaleb -9.999999999999999E+384 +0 -> -9.999999999999999E+384 |
|
199 ddscb161 scaleb -9.999999999999999E+384 -1 -> -9.999999999999999E+383 |
|
200 ddscb162 scaleb -9E+384 +1 -> -Infinity Overflow Inexact Rounded |
|
201 ddscb163 scaleb -1E+384 +1 -> -Infinity Overflow Inexact Rounded |
|
202 |
|
203 -- some Origami |
|
204 -- (these check that overflow is being done correctly) |
|
205 ddscb171 scaleb 1000E+365 +1 -> 1.000E+369 |
|
206 ddscb172 scaleb 1000E+366 +1 -> 1.000E+370 |
|
207 ddscb173 scaleb 1000E+367 +1 -> 1.000E+371 |
|
208 ddscb174 scaleb 1000E+368 +1 -> 1.000E+372 |
|
209 ddscb175 scaleb 1000E+369 +1 -> 1.0000E+373 Clamped |
|
210 ddscb176 scaleb 1000E+370 +1 -> 1.00000E+374 Clamped |
|
211 ddscb177 scaleb 1000E+371 +1 -> 1.000000E+375 Clamped |
|
212 ddscb178 scaleb 1000E+372 +1 -> 1.0000000E+376 Clamped |
|
213 ddscb179 scaleb 1000E+373 +1 -> 1.00000000E+377 Clamped |
|
214 ddscb180 scaleb 1000E+374 +1 -> 1.000000000E+378 Clamped |
|
215 ddscb181 scaleb 1000E+375 +1 -> 1.0000000000E+379 Clamped |
|
216 ddscb182 scaleb 1000E+376 +1 -> 1.00000000000E+380 Clamped |
|
217 ddscb183 scaleb 1000E+377 +1 -> 1.000000000000E+381 Clamped |
|
218 ddscb184 scaleb 1000E+378 +1 -> 1.0000000000000E+382 Clamped |
|
219 ddscb185 scaleb 1000E+379 +1 -> 1.00000000000000E+383 Clamped |
|
220 ddscb186 scaleb 1000E+380 +1 -> 1.000000000000000E+384 Clamped |
|
221 ddscb187 scaleb 1000E+381 +1 -> Infinity Overflow Inexact Rounded |
|
222 |
|
223 -- and a few more subnormal truncations |
|
224 -- (these check that underflow is being done correctly) |
|
225 ddscb201 scaleb 1.000000000000000E-383 0 -> 1.000000000000000E-383 |
|
226 ddscb202 scaleb 1.000000000000000E-383 -1 -> 1.00000000000000E-384 Subnormal Rounded |
|
227 ddscb203 scaleb 1.000000000000000E-383 -2 -> 1.0000000000000E-385 Subnormal Rounded |
|
228 ddscb204 scaleb 1.000000000000000E-383 -3 -> 1.000000000000E-386 Subnormal Rounded |
|
229 ddscb205 scaleb 1.000000000000000E-383 -4 -> 1.00000000000E-387 Subnormal Rounded |
|
230 ddscb206 scaleb 1.000000000000000E-383 -5 -> 1.0000000000E-388 Subnormal Rounded |
|
231 ddscb207 scaleb 1.000000000000000E-383 -6 -> 1.000000000E-389 Subnormal Rounded |
|
232 ddscb208 scaleb 1.000000000000000E-383 -7 -> 1.00000000E-390 Subnormal Rounded |
|
233 ddscb209 scaleb 1.000000000000000E-383 -8 -> 1.0000000E-391 Subnormal Rounded |
|
234 ddscb210 scaleb 1.000000000000000E-383 -9 -> 1.000000E-392 Subnormal Rounded |
|
235 ddscb211 scaleb 1.000000000000000E-383 -10 -> 1.00000E-393 Subnormal Rounded |
|
236 ddscb212 scaleb 1.000000000000000E-383 -11 -> 1.0000E-394 Subnormal Rounded |
|
237 ddscb213 scaleb 1.000000000000000E-383 -12 -> 1.000E-395 Subnormal Rounded |
|
238 ddscb214 scaleb 1.000000000000000E-383 -13 -> 1.00E-396 Subnormal Rounded |
|
239 ddscb215 scaleb 1.000000000000000E-383 -14 -> 1.0E-397 Subnormal Rounded |
|
240 ddscb216 scaleb 1.000000000000000E-383 -15 -> 1E-398 Subnormal Rounded |
|
241 ddscb217 scaleb 1.000000000000000E-383 -16 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped |
|
242 ddscb218 scaleb 1.000000000000000E-383 -17 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped |
|
243 |