| 1 | ------------------------------------------------------------------------
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| 2 | -- dqNextMinus.decTest -- decQuad next that is less [754r nextdown] --
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| 3 | -- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. --
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| 4 | ------------------------------------------------------------------------
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| 5 | -- Please see the document "General Decimal Arithmetic Testcases" --
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| 6 | -- at http://www2.hursley.ibm.com/decimal for the description of --
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| 7 | -- these testcases. --
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| 8 | -- --
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| 9 | -- These testcases are experimental ('beta' versions), and they --
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| 10 | -- may contain errors. They are offered on an as-is basis. In --
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| 11 | -- particular, achieving the same results as the tests here is not --
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| 12 | -- a guarantee that an implementation complies with any Standard --
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| 13 | -- or specification. The tests are not exhaustive. --
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| 14 | -- --
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| 15 | -- Please send comments, suggestions, and corrections to the author: --
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| 16 | -- Mike Cowlishaw, IBM Fellow --
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| 17 | -- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
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| 18 | -- mfc@uk.ibm.com --
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| 19 | ------------------------------------------------------------------------
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| 20 | version: 2.59
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| 21 |
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| 22 | -- All operands and results are decQuads.
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| 23 | extended: 1
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| 24 | clamp: 1
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| 25 | precision: 34
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| 26 | maxExponent: 6144
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| 27 | minExponent: -6143
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| 28 | rounding: half_even
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| 29 |
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| 30 | dqnextm001 nextminus 0.9999999999999999999999999999999995 -> 0.9999999999999999999999999999999994
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| 31 | dqnextm002 nextminus 0.9999999999999999999999999999999996 -> 0.9999999999999999999999999999999995
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| 32 | dqnextm003 nextminus 0.9999999999999999999999999999999997 -> 0.9999999999999999999999999999999996
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| 33 | dqnextm004 nextminus 0.9999999999999999999999999999999998 -> 0.9999999999999999999999999999999997
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| 34 | dqnextm005 nextminus 0.9999999999999999999999999999999999 -> 0.9999999999999999999999999999999998
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| 35 | dqnextm006 nextminus 1.000000000000000000000000000000000 -> 0.9999999999999999999999999999999999
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| 36 | dqnextm007 nextminus 1.0 -> 0.9999999999999999999999999999999999
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| 37 | dqnextm008 nextminus 1 -> 0.9999999999999999999999999999999999
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| 38 | dqnextm009 nextminus 1.000000000000000000000000000000001 -> 1.000000000000000000000000000000000
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| 39 | dqnextm010 nextminus 1.000000000000000000000000000000002 -> 1.000000000000000000000000000000001
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| 40 | dqnextm011 nextminus 1.000000000000000000000000000000003 -> 1.000000000000000000000000000000002
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| 41 | dqnextm012 nextminus 1.000000000000000000000000000000004 -> 1.000000000000000000000000000000003
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| 42 | dqnextm013 nextminus 1.000000000000000000000000000000005 -> 1.000000000000000000000000000000004
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| 43 | dqnextm014 nextminus 1.000000000000000000000000000000006 -> 1.000000000000000000000000000000005
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| 44 | dqnextm015 nextminus 1.000000000000000000000000000000007 -> 1.000000000000000000000000000000006
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| 45 | dqnextm016 nextminus 1.000000000000000000000000000000008 -> 1.000000000000000000000000000000007
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| 46 | dqnextm017 nextminus 1.000000000000000000000000000000009 -> 1.000000000000000000000000000000008
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| 47 | dqnextm018 nextminus 1.000000000000000000000000000000010 -> 1.000000000000000000000000000000009
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| 48 | dqnextm019 nextminus 1.000000000000000000000000000000011 -> 1.000000000000000000000000000000010
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| 49 | dqnextm020 nextminus 1.000000000000000000000000000000012 -> 1.000000000000000000000000000000011
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| 50 |
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| 51 | dqnextm021 nextminus -0.9999999999999999999999999999999995 -> -0.9999999999999999999999999999999996
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| 52 | dqnextm022 nextminus -0.9999999999999999999999999999999996 -> -0.9999999999999999999999999999999997
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| 53 | dqnextm023 nextminus -0.9999999999999999999999999999999997 -> -0.9999999999999999999999999999999998
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| 54 | dqnextm024 nextminus -0.9999999999999999999999999999999998 -> -0.9999999999999999999999999999999999
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| 55 | dqnextm025 nextminus -0.9999999999999999999999999999999999 -> -1.000000000000000000000000000000000
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| 56 | dqnextm026 nextminus -1.000000000000000000000000000000000 -> -1.000000000000000000000000000000001
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| 57 | dqnextm027 nextminus -1.0 -> -1.000000000000000000000000000000001
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| 58 | dqnextm028 nextminus -1 -> -1.000000000000000000000000000000001
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| 59 | dqnextm029 nextminus -1.000000000000000000000000000000001 -> -1.000000000000000000000000000000002
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| 60 | dqnextm030 nextminus -1.000000000000000000000000000000002 -> -1.000000000000000000000000000000003
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| 61 | dqnextm031 nextminus -1.000000000000000000000000000000003 -> -1.000000000000000000000000000000004
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| 62 | dqnextm032 nextminus -1.000000000000000000000000000000004 -> -1.000000000000000000000000000000005
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| 63 | dqnextm033 nextminus -1.000000000000000000000000000000005 -> -1.000000000000000000000000000000006
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| 64 | dqnextm034 nextminus -1.000000000000000000000000000000006 -> -1.000000000000000000000000000000007
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| 65 | dqnextm035 nextminus -1.000000000000000000000000000000007 -> -1.000000000000000000000000000000008
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| 66 | dqnextm036 nextminus -1.000000000000000000000000000000008 -> -1.000000000000000000000000000000009
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| 67 | dqnextm037 nextminus -1.000000000000000000000000000000009 -> -1.000000000000000000000000000000010
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| 68 | dqnextm038 nextminus -1.000000000000000000000000000000010 -> -1.000000000000000000000000000000011
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| 69 | dqnextm039 nextminus -1.000000000000000000000000000000011 -> -1.000000000000000000000000000000012
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| 70 |
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| 71 | -- ultra-tiny inputs
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| 72 | dqnextm062 nextminus 1E-6176 -> 0E-6176
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| 73 | dqnextm065 nextminus -1E-6176 -> -2E-6176
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| 74 |
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| 75 | -- Zeros
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| 76 | dqnextm100 nextminus -0 -> -1E-6176
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| 77 | dqnextm101 nextminus 0 -> -1E-6176
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| 78 | dqnextm102 nextminus 0.00 -> -1E-6176
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| 79 | dqnextm103 nextminus -0.00 -> -1E-6176
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| 80 | dqnextm104 nextminus 0E-300 -> -1E-6176
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| 81 | dqnextm105 nextminus 0E+300 -> -1E-6176
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| 82 | dqnextm106 nextminus 0E+30000 -> -1E-6176
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| 83 | dqnextm107 nextminus -0E+30000 -> -1E-6176
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| 84 |
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| 85 | -- specials
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| 86 | dqnextm150 nextminus Inf -> 9.999999999999999999999999999999999E+6144
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| 87 | dqnextm151 nextminus -Inf -> -Infinity
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| 88 | dqnextm152 nextminus NaN -> NaN
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| 89 | dqnextm153 nextminus sNaN -> NaN Invalid_operation
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| 90 | dqnextm154 nextminus NaN77 -> NaN77
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| 91 | dqnextm155 nextminus sNaN88 -> NaN88 Invalid_operation
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| 92 | dqnextm156 nextminus -NaN -> -NaN
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| 93 | dqnextm157 nextminus -sNaN -> -NaN Invalid_operation
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| 94 | dqnextm158 nextminus -NaN77 -> -NaN77
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| 95 | dqnextm159 nextminus -sNaN88 -> -NaN88 Invalid_operation
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| 96 |
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| 97 | -- Nmax, Nmin, Ntiny, subnormals
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| 98 | dqnextm170 nextminus 9.999999999999999999999999999999999E+6144 -> 9.999999999999999999999999999999998E+6144
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| 99 | dqnextm171 nextminus 9.999999999999999999999999999999998E+6144 -> 9.999999999999999999999999999999997E+6144
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| 100 | dqnextm172 nextminus 1E-6143 -> 9.99999999999999999999999999999999E-6144
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| 101 | dqnextm173 nextminus 1.000000000000000000000000000000000E-6143 -> 9.99999999999999999999999999999999E-6144
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| 102 | dqnextm174 nextminus 9E-6176 -> 8E-6176
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| 103 | dqnextm175 nextminus 9.9E-6175 -> 9.8E-6175
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| 104 | dqnextm176 nextminus 9.99999999999999999999999999999E-6147 -> 9.99999999999999999999999999998E-6147
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| 105 | dqnextm177 nextminus 9.99999999999999999999999999999999E-6144 -> 9.99999999999999999999999999999998E-6144
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| 106 | dqnextm178 nextminus 9.99999999999999999999999999999998E-6144 -> 9.99999999999999999999999999999997E-6144
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| 107 | dqnextm179 nextminus 9.99999999999999999999999999999997E-6144 -> 9.99999999999999999999999999999996E-6144
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| 108 | dqnextm180 nextminus 0E-6176 -> -1E-6176
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| 109 | dqnextm181 nextminus 1E-6176 -> 0E-6176
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| 110 | dqnextm182 nextminus 2E-6176 -> 1E-6176
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| 111 |
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| 112 | dqnextm183 nextminus -0E-6176 -> -1E-6176
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| 113 | dqnextm184 nextminus -1E-6176 -> -2E-6176
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| 114 | dqnextm185 nextminus -2E-6176 -> -3E-6176
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| 115 | dqnextm186 nextminus -10E-6176 -> -1.1E-6175
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| 116 | dqnextm187 nextminus -100E-6176 -> -1.01E-6174
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| 117 | dqnextm188 nextminus -100000E-6176 -> -1.00001E-6171
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| 118 | dqnextm189 nextminus -1.00000000000000000000000000000E-6143 -> -1.000000000000000000000000000000001E-6143
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| 119 | dqnextm190 nextminus -1.000000000000000000000000000000000E-6143 -> -1.000000000000000000000000000000001E-6143
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| 120 | dqnextm191 nextminus -1E-6143 -> -1.000000000000000000000000000000001E-6143
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| 121 | dqnextm192 nextminus -9.999999999999999999999999999999998E+6144 -> -9.999999999999999999999999999999999E+6144
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| 122 | dqnextm193 nextminus -9.999999999999999999999999999999999E+6144 -> -Infinity
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| 123 |
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| 124 | -- Null tests
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| 125 | dqnextm900 nextminus # -> NaN Invalid_operation
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| 126 |
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