blob: 7a007791bfebd697c57405c56e7b3a0141842c8c [file] [log] [blame]
Thomas Wouters1b7f8912007-09-19 03:06:30 +00001------------------------------------------------------------------------
2-- dqMinus.decTest -- decQuad 0-x --
Benjamin Petersonf17ff4e2008-07-31 16:32:12 +00003-- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. --
Thomas Wouters1b7f8912007-09-19 03:06:30 +00004------------------------------------------------------------------------
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------------------------------------------------------------------------
Mark Dickinson8a546532009-10-08 16:30:38 +000020version: 2.59
Thomas Wouters1b7f8912007-09-19 03:06:30 +000021
22-- All operands and results are decQuads.
23extended: 1
24clamp: 1
25precision: 34
26maxExponent: 6144
27minExponent: -6143
28rounding: half_even
29
30-- Sanity check
31dqmns001 minus +7.50 -> -7.50
32
33-- Infinities
34dqmns011 minus Infinity -> -Infinity
35dqmns012 minus -Infinity -> Infinity
36
37-- NaNs, 0 payload
38dqmns021 minus NaN -> NaN
39dqmns022 minus -NaN -> -NaN
40dqmns023 minus sNaN -> NaN Invalid_operation
41dqmns024 minus -sNaN -> -NaN Invalid_operation
42
43-- NaNs, non-0 payload
44dqmns031 minus NaN13 -> NaN13
45dqmns032 minus -NaN13 -> -NaN13
46dqmns033 minus sNaN13 -> NaN13 Invalid_operation
47dqmns034 minus -sNaN13 -> -NaN13 Invalid_operation
48dqmns035 minus NaN70 -> NaN70
49dqmns036 minus -NaN70 -> -NaN70
50dqmns037 minus sNaN101 -> NaN101 Invalid_operation
51dqmns038 minus -sNaN101 -> -NaN101 Invalid_operation
52
53-- finites
54dqmns101 minus 7 -> -7
55dqmns102 minus -7 -> 7
56dqmns103 minus 75 -> -75
57dqmns104 minus -75 -> 75
58dqmns105 minus 7.50 -> -7.50
59dqmns106 minus -7.50 -> 7.50
60dqmns107 minus 7.500 -> -7.500
61dqmns108 minus -7.500 -> 7.500
62
63-- zeros
64dqmns111 minus 0 -> 0
65dqmns112 minus -0 -> 0
66dqmns113 minus 0E+4 -> 0E+4
67dqmns114 minus -0E+4 -> 0E+4
68dqmns115 minus 0.0000 -> 0.0000
69dqmns116 minus -0.0000 -> 0.0000
70dqmns117 minus 0E-141 -> 0E-141
71dqmns118 minus -0E-141 -> 0E-141
72
73-- full coefficients, alternating bits
74dqmns121 minus 2682682682682682682682682682682682 -> -2682682682682682682682682682682682
75dqmns122 minus -2682682682682682682682682682682682 -> 2682682682682682682682682682682682
76dqmns123 minus 1341341341341341341341341341341341 -> -1341341341341341341341341341341341
77dqmns124 minus -1341341341341341341341341341341341 -> 1341341341341341341341341341341341
78
79-- Nmax, Nmin, Ntiny
80dqmns131 minus 9.999999999999999999999999999999999E+6144 -> -9.999999999999999999999999999999999E+6144
81dqmns132 minus 1E-6143 -> -1E-6143
82dqmns133 minus 1.000000000000000000000000000000000E-6143 -> -1.000000000000000000000000000000000E-6143
83dqmns134 minus 1E-6176 -> -1E-6176 Subnormal
84
85dqmns135 minus -1E-6176 -> 1E-6176 Subnormal
86dqmns136 minus -1.000000000000000000000000000000000E-6143 -> 1.000000000000000000000000000000000E-6143
87dqmns137 minus -1E-6143 -> 1E-6143
88dqmns138 minus -9.999999999999999999999999999999999E+6144 -> 9.999999999999999999999999999999999E+6144