|
1 ------------------------------------------------------------------------ |
|
2 -- minus.decTest -- decimal negation -- |
|
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 -- This set of tests primarily tests the existence of the operator. |
|
23 -- Subtraction, rounding, and more overflows are tested elsewhere. |
|
24 |
|
25 extended: 1 |
|
26 precision: 9 |
|
27 rounding: half_up |
|
28 maxExponent: 384 |
|
29 minexponent: -383 |
|
30 |
|
31 minx001 minus '1' -> '-1' |
|
32 minx002 minus '-1' -> '1' |
|
33 minx003 minus '1.00' -> '-1.00' |
|
34 minx004 minus '-1.00' -> '1.00' |
|
35 minx005 minus '0' -> '0' |
|
36 minx006 minus '0.00' -> '0.00' |
|
37 minx007 minus '00.0' -> '0.0' |
|
38 minx008 minus '00.00' -> '0.00' |
|
39 minx009 minus '00' -> '0' |
|
40 |
|
41 minx010 minus '-2' -> '2' |
|
42 minx011 minus '2' -> '-2' |
|
43 minx012 minus '-2.00' -> '2.00' |
|
44 minx013 minus '2.00' -> '-2.00' |
|
45 minx014 minus '-0' -> '0' |
|
46 minx015 minus '-0.00' -> '0.00' |
|
47 minx016 minus '-00.0' -> '0.0' |
|
48 minx017 minus '-00.00' -> '0.00' |
|
49 minx018 minus '-00' -> '0' |
|
50 |
|
51 -- "lhs" zeros in plus and minus have exponent = operand |
|
52 minx020 minus '-0E3' -> '0E+3' |
|
53 minx021 minus '-0E2' -> '0E+2' |
|
54 minx022 minus '-0E1' -> '0E+1' |
|
55 minx023 minus '-0E0' -> '0' |
|
56 minx024 minus '+0E0' -> '0' |
|
57 minx025 minus '+0E1' -> '0E+1' |
|
58 minx026 minus '+0E2' -> '0E+2' |
|
59 minx027 minus '+0E3' -> '0E+3' |
|
60 |
|
61 minx030 minus '-5E3' -> '5E+3' |
|
62 minx031 minus '-5E8' -> '5E+8' |
|
63 minx032 minus '-5E13' -> '5E+13' |
|
64 minx033 minus '-5E18' -> '5E+18' |
|
65 minx034 minus '+5E3' -> '-5E+3' |
|
66 minx035 minus '+5E8' -> '-5E+8' |
|
67 minx036 minus '+5E13' -> '-5E+13' |
|
68 minx037 minus '+5E18' -> '-5E+18' |
|
69 |
|
70 minx050 minus '-2000000' -> '2000000' |
|
71 minx051 minus '2000000' -> '-2000000' |
|
72 precision: 7 |
|
73 minx052 minus '-2000000' -> '2000000' |
|
74 minx053 minus '2000000' -> '-2000000' |
|
75 precision: 6 |
|
76 minx054 minus '-2000000' -> '2.00000E+6' Rounded |
|
77 minx055 minus '2000000' -> '-2.00000E+6' Rounded |
|
78 precision: 3 |
|
79 minx056 minus '-2000000' -> '2.00E+6' Rounded |
|
80 minx057 minus '2000000' -> '-2.00E+6' Rounded |
|
81 |
|
82 -- more fixed, potential LHS swaps/overlays if done by 0 subtract x |
|
83 precision: 9 |
|
84 minx060 minus '56267E-10' -> '-0.0000056267' |
|
85 minx061 minus '56267E-5' -> '-0.56267' |
|
86 minx062 minus '56267E-2' -> '-562.67' |
|
87 minx063 minus '56267E-1' -> '-5626.7' |
|
88 minx065 minus '56267E-0' -> '-56267' |
|
89 minx066 minus '56267E+0' -> '-56267' |
|
90 minx067 minus '56267E+1' -> '-5.6267E+5' |
|
91 minx068 minus '56267E+2' -> '-5.6267E+6' |
|
92 minx069 minus '56267E+3' -> '-5.6267E+7' |
|
93 minx070 minus '56267E+4' -> '-5.6267E+8' |
|
94 minx071 minus '56267E+5' -> '-5.6267E+9' |
|
95 minx072 minus '56267E+6' -> '-5.6267E+10' |
|
96 minx080 minus '-56267E-10' -> '0.0000056267' |
|
97 minx081 minus '-56267E-5' -> '0.56267' |
|
98 minx082 minus '-56267E-2' -> '562.67' |
|
99 minx083 minus '-56267E-1' -> '5626.7' |
|
100 minx085 minus '-56267E-0' -> '56267' |
|
101 minx086 minus '-56267E+0' -> '56267' |
|
102 minx087 minus '-56267E+1' -> '5.6267E+5' |
|
103 minx088 minus '-56267E+2' -> '5.6267E+6' |
|
104 minx089 minus '-56267E+3' -> '5.6267E+7' |
|
105 minx090 minus '-56267E+4' -> '5.6267E+8' |
|
106 minx091 minus '-56267E+5' -> '5.6267E+9' |
|
107 minx092 minus '-56267E+6' -> '5.6267E+10' |
|
108 |
|
109 |
|
110 -- overflow tests |
|
111 maxexponent: 999999999 |
|
112 minexponent: -999999999 |
|
113 precision: 3 |
|
114 minx100 minus 9.999E+999999999 -> -Infinity Inexact Overflow Rounded |
|
115 minx101 minus -9.999E+999999999 -> Infinity Inexact Overflow Rounded |
|
116 |
|
117 -- subnormals and underflow |
|
118 precision: 3 |
|
119 maxexponent: 999 |
|
120 minexponent: -999 |
|
121 minx110 minus 1.00E-999 -> -1.00E-999 |
|
122 minx111 minus 0.1E-999 -> -1E-1000 Subnormal |
|
123 minx112 minus 0.10E-999 -> -1.0E-1000 Subnormal |
|
124 minx113 minus 0.100E-999 -> -1.0E-1000 Subnormal Rounded |
|
125 minx114 minus 0.01E-999 -> -1E-1001 Subnormal |
|
126 -- next is rounded to Emin |
|
127 minx115 minus 0.999E-999 -> -1.00E-999 Inexact Rounded Subnormal Underflow |
|
128 minx116 minus 0.099E-999 -> -1.0E-1000 Inexact Rounded Subnormal Underflow |
|
129 minx117 minus 0.009E-999 -> -1E-1001 Inexact Rounded Subnormal Underflow |
|
130 minx118 minus 0.001E-999 -> -0E-1001 Inexact Rounded Subnormal Underflow Clamped |
|
131 minx119 minus 0.0009E-999 -> -0E-1001 Inexact Rounded Subnormal Underflow Clamped |
|
132 minx120 minus 0.0001E-999 -> -0E-1001 Inexact Rounded Subnormal Underflow Clamped |
|
133 |
|
134 minx130 minus -1.00E-999 -> 1.00E-999 |
|
135 minx131 minus -0.1E-999 -> 1E-1000 Subnormal |
|
136 minx132 minus -0.10E-999 -> 1.0E-1000 Subnormal |
|
137 minx133 minus -0.100E-999 -> 1.0E-1000 Subnormal Rounded |
|
138 minx134 minus -0.01E-999 -> 1E-1001 Subnormal |
|
139 -- next is rounded to Emin |
|
140 minx135 minus -0.999E-999 -> 1.00E-999 Inexact Rounded Subnormal Underflow |
|
141 minx136 minus -0.099E-999 -> 1.0E-1000 Inexact Rounded Subnormal Underflow |
|
142 minx137 minus -0.009E-999 -> 1E-1001 Inexact Rounded Subnormal Underflow |
|
143 minx138 minus -0.001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped |
|
144 minx139 minus -0.0009E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped |
|
145 minx140 minus -0.0001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped |
|
146 |
|
147 |
|
148 -- long operand checks |
|
149 maxexponent: 999 |
|
150 minexponent: -999 |
|
151 precision: 9 |
|
152 minx301 minus 12345678000 -> -1.23456780E+10 Rounded |
|
153 minx302 minus 1234567800 -> -1.23456780E+9 Rounded |
|
154 minx303 minus 1234567890 -> -1.23456789E+9 Rounded |
|
155 minx304 minus 1234567891 -> -1.23456789E+9 Inexact Rounded |
|
156 minx305 minus 12345678901 -> -1.23456789E+10 Inexact Rounded |
|
157 minx306 minus 1234567896 -> -1.23456790E+9 Inexact Rounded |
|
158 |
|
159 precision: 15 |
|
160 -- still checking |
|
161 minx321 minus 12345678000 -> -12345678000 |
|
162 minx322 minus 1234567800 -> -1234567800 |
|
163 minx323 minus 1234567890 -> -1234567890 |
|
164 minx324 minus 1234567891 -> -1234567891 |
|
165 minx325 minus 12345678901 -> -12345678901 |
|
166 minx326 minus 1234567896 -> -1234567896 |
|
167 |
|
168 -- specials |
|
169 minx420 minus 'Inf' -> '-Infinity' |
|
170 minx421 minus '-Inf' -> 'Infinity' |
|
171 minx422 minus NaN -> NaN |
|
172 minx423 minus sNaN -> NaN Invalid_operation |
|
173 minx424 minus NaN255 -> NaN255 |
|
174 minx425 minus sNaN256 -> NaN256 Invalid_operation |
|
175 minx426 minus -NaN -> -NaN |
|
176 minx427 minus -sNaN -> -NaN Invalid_operation |
|
177 minx428 minus -NaN255 -> -NaN255 |
|
178 minx429 minus -sNaN256 -> -NaN256 Invalid_operation |
|
179 |
|
180 -- Null tests |
|
181 minx900 minus # -> NaN Invalid_operation |
|
182 |