source: python/trunk/Lib/test/decimaltestdata/ddScaleB.decTest

Last change on this file was 2, checked in by Yuri Dario, 15 years ago

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1------------------------------------------------------------------------
2-- ddScalebB.decTest -- scale a decDouble 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 --
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------------------------------------------------------------------------
20version: 2.59
21
22precision: 16
23maxExponent: 384
24minExponent: -383
25extended: 1
26clamp: 1
27rounding: half_even
28
29-- Max |rhs| is 2*(384+16) = 800
30
31-- Sanity checks
32ddscb001 scaleb 7.50 10 -> 7.50E+10
33ddscb002 scaleb 7.50 3 -> 7.50E+3
34ddscb003 scaleb 7.50 2 -> 750
35ddscb004 scaleb 7.50 1 -> 75.0
36ddscb005 scaleb 7.50 0 -> 7.50
37ddscb006 scaleb 7.50 -1 -> 0.750
38ddscb007 scaleb 7.50 -2 -> 0.0750
39ddscb008 scaleb 7.50 -10 -> 7.50E-10
40ddscb009 scaleb -7.50 3 -> -7.50E+3
41ddscb010 scaleb -7.50 2 -> -750
42ddscb011 scaleb -7.50 1 -> -75.0
43ddscb012 scaleb -7.50 0 -> -7.50
44ddscb013 scaleb -7.50 -1 -> -0.750
45
46-- Infinities
47ddscb014 scaleb Infinity 1 -> Infinity
48ddscb015 scaleb -Infinity 2 -> -Infinity
49ddscb016 scaleb Infinity -1 -> Infinity
50ddscb017 scaleb -Infinity -2 -> -Infinity
51
52-- Next two are somewhat undefined in 754r; treat as non-integer
53ddscb018 scaleb 10 Infinity -> NaN Invalid_operation
54ddscb019 scaleb 10 -Infinity -> NaN Invalid_operation
55
56-- NaNs are undefined in 754r; assume usual processing
57-- NaNs, 0 payload
58ddscb021 scaleb NaN 1 -> NaN
59ddscb022 scaleb -NaN -1 -> -NaN
60ddscb023 scaleb sNaN 1 -> NaN Invalid_operation
61ddscb024 scaleb -sNaN 1 -> -NaN Invalid_operation
62ddscb025 scaleb 4 NaN -> NaN
63ddscb026 scaleb -Inf -NaN -> -NaN
64ddscb027 scaleb 4 sNaN -> NaN Invalid_operation
65ddscb028 scaleb Inf -sNaN -> -NaN Invalid_operation
66
67-- non-integer RHS
68ddscb030 scaleb 1.23 1 -> 12.3
69ddscb031 scaleb 1.23 1.00 -> NaN Invalid_operation
70ddscb032 scaleb 1.23 1.1 -> NaN Invalid_operation
71ddscb033 scaleb 1.23 1.01 -> NaN Invalid_operation
72ddscb034 scaleb 1.23 0.01 -> NaN Invalid_operation
73ddscb035 scaleb 1.23 0.11 -> NaN Invalid_operation
74ddscb036 scaleb 1.23 0.999999999 -> NaN Invalid_operation
75ddscb037 scaleb 1.23 -1 -> 0.123
76ddscb038 scaleb 1.23 -1.00 -> NaN Invalid_operation
77ddscb039 scaleb 1.23 -1.1 -> NaN Invalid_operation
78ddscb040 scaleb 1.23 -1.01 -> NaN Invalid_operation
79ddscb041 scaleb 1.23 -0.01 -> NaN Invalid_operation
80ddscb042 scaleb 1.23 -0.11 -> NaN Invalid_operation
81ddscb043 scaleb 1.23 -0.999999999 -> NaN Invalid_operation
82ddscb044 scaleb 1.23 0.1 -> NaN Invalid_operation
83ddscb045 scaleb 1.23 1E+1 -> NaN Invalid_operation
84ddscb046 scaleb 1.23 1.1234E+6 -> NaN Invalid_operation
85ddscb047 scaleb 1.23 1.123E+4 -> NaN Invalid_operation
86
87-- out-of range RHS
88ddscb120 scaleb 1.23 799 -> Infinity Overflow Inexact Rounded
89ddscb121 scaleb 1.23 800 -> Infinity Overflow Inexact Rounded
90ddscb122 scaleb 1.23 801 -> NaN Invalid_operation
91ddscb123 scaleb 1.23 802 -> NaN Invalid_operation
92ddscb124 scaleb 1.23 -799 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
93ddscb125 scaleb 1.23 -800 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
94ddscb126 scaleb 1.23 -801 -> NaN Invalid_operation
95ddscb127 scaleb 1.23 -802 -> NaN Invalid_operation
96
97-- NaNs, non-0 payload
98-- propagating NaNs
99ddscb861 scaleb NaN01 -Inf -> NaN1
100ddscb862 scaleb -NaN02 -1000 -> -NaN2
101ddscb863 scaleb NaN03 1000 -> NaN3
102ddscb864 scaleb NaN04 Inf -> NaN4
103ddscb865 scaleb NaN05 NaN61 -> NaN5
104ddscb866 scaleb -Inf -NaN71 -> -NaN71
105ddscb867 scaleb -1000 NaN81 -> NaN81
106ddscb868 scaleb 1000 NaN91 -> NaN91
107ddscb869 scaleb Inf NaN101 -> NaN101
108ddscb871 scaleb sNaN011 -Inf -> NaN11 Invalid_operation
109ddscb872 scaleb sNaN012 -1000 -> NaN12 Invalid_operation
110ddscb873 scaleb -sNaN013 1000 -> -NaN13 Invalid_operation
111ddscb874 scaleb sNaN014 NaN171 -> NaN14 Invalid_operation
112ddscb875 scaleb sNaN015 sNaN181 -> NaN15 Invalid_operation
113ddscb876 scaleb NaN016 sNaN191 -> NaN191 Invalid_operation
114ddscb877 scaleb -Inf sNaN201 -> NaN201 Invalid_operation
115ddscb878 scaleb -1000 sNaN211 -> NaN211 Invalid_operation
116ddscb879 scaleb 1000 -sNaN221 -> -NaN221 Invalid_operation
117ddscb880 scaleb Inf sNaN231 -> NaN231 Invalid_operation
118ddscb881 scaleb NaN025 sNaN241 -> NaN241 Invalid_operation
119
120-- finites
121ddscb051 scaleb 7 -2 -> 0.07
122ddscb052 scaleb -7 -2 -> -0.07
123ddscb053 scaleb 75 -2 -> 0.75
124ddscb054 scaleb -75 -2 -> -0.75
125ddscb055 scaleb 7.50 -2 -> 0.0750
126ddscb056 scaleb -7.50 -2 -> -0.0750
127ddscb057 scaleb 7.500 -2 -> 0.07500
128ddscb058 scaleb -7.500 -2 -> -0.07500
129ddscb061 scaleb 7 -1 -> 0.7
130ddscb062 scaleb -7 -1 -> -0.7
131ddscb063 scaleb 75 -1 -> 7.5
132ddscb064 scaleb -75 -1 -> -7.5
133ddscb065 scaleb 7.50 -1 -> 0.750
134ddscb066 scaleb -7.50 -1 -> -0.750
135ddscb067 scaleb 7.500 -1 -> 0.7500
136ddscb068 scaleb -7.500 -1 -> -0.7500
137ddscb071 scaleb 7 0 -> 7
138ddscb072 scaleb -7 0 -> -7
139ddscb073 scaleb 75 0 -> 75
140ddscb074 scaleb -75 0 -> -75
141ddscb075 scaleb 7.50 0 -> 7.50
142ddscb076 scaleb -7.50 0 -> -7.50
143ddscb077 scaleb 7.500 0 -> 7.500
144ddscb078 scaleb -7.500 0 -> -7.500
145ddscb081 scaleb 7 1 -> 7E+1
146ddscb082 scaleb -7 1 -> -7E+1
147ddscb083 scaleb 75 1 -> 7.5E+2
148ddscb084 scaleb -75 1 -> -7.5E+2
149ddscb085 scaleb 7.50 1 -> 75.0
150ddscb086 scaleb -7.50 1 -> -75.0
151ddscb087 scaleb 7.500 1 -> 75.00
152ddscb088 scaleb -7.500 1 -> -75.00
153ddscb091 scaleb 7 2 -> 7E+2
154ddscb092 scaleb -7 2 -> -7E+2
155ddscb093 scaleb 75 2 -> 7.5E+3
156ddscb094 scaleb -75 2 -> -7.5E+3
157ddscb095 scaleb 7.50 2 -> 750
158ddscb096 scaleb -7.50 2 -> -750
159ddscb097 scaleb 7.500 2 -> 750.0
160ddscb098 scaleb -7.500 2 -> -750.0
161
162-- zeros
163ddscb111 scaleb 0 1 -> 0E+1
164ddscb112 scaleb -0 2 -> -0E+2
165ddscb113 scaleb 0E+4 3 -> 0E+7
166ddscb114 scaleb -0E+4 4 -> -0E+8
167ddscb115 scaleb 0.0000 5 -> 0E+1
168ddscb116 scaleb -0.0000 6 -> -0E+2
169ddscb117 scaleb 0E-141 7 -> 0E-134
170ddscb118 scaleb -0E-141 8 -> -0E-133
171
172-- Nmax, Nmin, Ntiny
173ddscb132 scaleb 9.999999999999999E+384 +384 -> Infinity Overflow Inexact Rounded
174ddscb133 scaleb 9.999999999999999E+384 +10 -> Infinity Overflow Inexact Rounded
175ddscb134 scaleb 9.999999999999999E+384 +1 -> Infinity Overflow Inexact Rounded
176ddscb135 scaleb 9.999999999999999E+384 0 -> 9.999999999999999E+384
177ddscb136 scaleb 9.999999999999999E+384 -1 -> 9.999999999999999E+383
178ddscb137 scaleb 1E-383 +1 -> 1E-382
179ddscb138 scaleb 1E-383 -0 -> 1E-383
180ddscb139 scaleb 1E-383 -1 -> 1E-384 Subnormal
181ddscb140 scaleb 1.000000000000000E-383 +1 -> 1.000000000000000E-382
182ddscb141 scaleb 1.000000000000000E-383 0 -> 1.000000000000000E-383
183ddscb142 scaleb 1.000000000000000E-383 -1 -> 1.00000000000000E-384 Subnormal Rounded
184ddscb143 scaleb 1E-398 +1 -> 1E-397 Subnormal
185ddscb144 scaleb 1E-398 -0 -> 1E-398 Subnormal
186ddscb145 scaleb 1E-398 -1 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
187
188ddscb150 scaleb -1E-398 +1 -> -1E-397 Subnormal
189ddscb151 scaleb -1E-398 -0 -> -1E-398 Subnormal
190ddscb152 scaleb -1E-398 -1 -> -0E-398 Underflow Subnormal Inexact Rounded Clamped
191ddscb153 scaleb -1.000000000000000E-383 +1 -> -1.000000000000000E-382
192ddscb154 scaleb -1.000000000000000E-383 +0 -> -1.000000000000000E-383
193ddscb155 scaleb -1.000000000000000E-383 -1 -> -1.00000000000000E-384 Subnormal Rounded
194ddscb156 scaleb -1E-383 +1 -> -1E-382
195ddscb157 scaleb -1E-383 -0 -> -1E-383
196ddscb158 scaleb -1E-383 -1 -> -1E-384 Subnormal
197ddscb159 scaleb -9.999999999999999E+384 +1 -> -Infinity Overflow Inexact Rounded
198ddscb160 scaleb -9.999999999999999E+384 +0 -> -9.999999999999999E+384
199ddscb161 scaleb -9.999999999999999E+384 -1 -> -9.999999999999999E+383
200ddscb162 scaleb -9E+384 +1 -> -Infinity Overflow Inexact Rounded
201ddscb163 scaleb -1E+384 +1 -> -Infinity Overflow Inexact Rounded
202
203-- some Origami
204-- (these check that overflow is being done correctly)
205ddscb171 scaleb 1000E+365 +1 -> 1.000E+369
206ddscb172 scaleb 1000E+366 +1 -> 1.000E+370
207ddscb173 scaleb 1000E+367 +1 -> 1.000E+371
208ddscb174 scaleb 1000E+368 +1 -> 1.000E+372
209ddscb175 scaleb 1000E+369 +1 -> 1.0000E+373 Clamped
210ddscb176 scaleb 1000E+370 +1 -> 1.00000E+374 Clamped
211ddscb177 scaleb 1000E+371 +1 -> 1.000000E+375 Clamped
212ddscb178 scaleb 1000E+372 +1 -> 1.0000000E+376 Clamped
213ddscb179 scaleb 1000E+373 +1 -> 1.00000000E+377 Clamped
214ddscb180 scaleb 1000E+374 +1 -> 1.000000000E+378 Clamped
215ddscb181 scaleb 1000E+375 +1 -> 1.0000000000E+379 Clamped
216ddscb182 scaleb 1000E+376 +1 -> 1.00000000000E+380 Clamped
217ddscb183 scaleb 1000E+377 +1 -> 1.000000000000E+381 Clamped
218ddscb184 scaleb 1000E+378 +1 -> 1.0000000000000E+382 Clamped
219ddscb185 scaleb 1000E+379 +1 -> 1.00000000000000E+383 Clamped
220ddscb186 scaleb 1000E+380 +1 -> 1.000000000000000E+384 Clamped
221ddscb187 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)
225ddscb201 scaleb 1.000000000000000E-383 0 -> 1.000000000000000E-383
226ddscb202 scaleb 1.000000000000000E-383 -1 -> 1.00000000000000E-384 Subnormal Rounded
227ddscb203 scaleb 1.000000000000000E-383 -2 -> 1.0000000000000E-385 Subnormal Rounded
228ddscb204 scaleb 1.000000000000000E-383 -3 -> 1.000000000000E-386 Subnormal Rounded
229ddscb205 scaleb 1.000000000000000E-383 -4 -> 1.00000000000E-387 Subnormal Rounded
230ddscb206 scaleb 1.000000000000000E-383 -5 -> 1.0000000000E-388 Subnormal Rounded
231ddscb207 scaleb 1.000000000000000E-383 -6 -> 1.000000000E-389 Subnormal Rounded
232ddscb208 scaleb 1.000000000000000E-383 -7 -> 1.00000000E-390 Subnormal Rounded
233ddscb209 scaleb 1.000000000000000E-383 -8 -> 1.0000000E-391 Subnormal Rounded
234ddscb210 scaleb 1.000000000000000E-383 -9 -> 1.000000E-392 Subnormal Rounded
235ddscb211 scaleb 1.000000000000000E-383 -10 -> 1.00000E-393 Subnormal Rounded
236ddscb212 scaleb 1.000000000000000E-383 -11 -> 1.0000E-394 Subnormal Rounded
237ddscb213 scaleb 1.000000000000000E-383 -12 -> 1.000E-395 Subnormal Rounded
238ddscb214 scaleb 1.000000000000000E-383 -13 -> 1.00E-396 Subnormal Rounded
239ddscb215 scaleb 1.000000000000000E-383 -14 -> 1.0E-397 Subnormal Rounded
240ddscb216 scaleb 1.000000000000000E-383 -15 -> 1E-398 Subnormal Rounded
241ddscb217 scaleb 1.000000000000000E-383 -16 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
242ddscb218 scaleb 1.000000000000000E-383 -17 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
243
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