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- ------------------------------------------------------------------------
- -- dqNextMinus.decTest -- decQuad next that is less [754r nextdown] --
- -- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. --
- ------------------------------------------------------------------------
- -- Please see the document "General Decimal Arithmetic Testcases" --
- -- at http://www2.hursley.ibm.com/decimal for the description of --
- -- these testcases. --
- -- --
- -- These testcases are experimental ('beta' versions), and they --
- -- may contain errors. They are offered on an as-is basis. In --
- -- particular, achieving the same results as the tests here is not --
- -- a guarantee that an implementation complies with any Standard --
- -- or specification. The tests are not exhaustive. --
- -- --
- -- Please send comments, suggestions, and corrections to the author: --
- -- Mike Cowlishaw, IBM Fellow --
- -- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
- -- mfc@uk.ibm.com --
- ------------------------------------------------------------------------
- version: 2.59
- -- All operands and results are decQuads.
- extended: 1
- clamp: 1
- precision: 34
- maxExponent: 6144
- minExponent: -6143
- rounding: half_even
- dqnextm001 nextminus 0.9999999999999999999999999999999995 -> 0.9999999999999999999999999999999994
- dqnextm002 nextminus 0.9999999999999999999999999999999996 -> 0.9999999999999999999999999999999995
- dqnextm003 nextminus 0.9999999999999999999999999999999997 -> 0.9999999999999999999999999999999996
- dqnextm004 nextminus 0.9999999999999999999999999999999998 -> 0.9999999999999999999999999999999997
- dqnextm005 nextminus 0.9999999999999999999999999999999999 -> 0.9999999999999999999999999999999998
- dqnextm006 nextminus 1.000000000000000000000000000000000 -> 0.9999999999999999999999999999999999
- dqnextm007 nextminus 1.0 -> 0.9999999999999999999999999999999999
- dqnextm008 nextminus 1 -> 0.9999999999999999999999999999999999
- dqnextm009 nextminus 1.000000000000000000000000000000001 -> 1.000000000000000000000000000000000
- dqnextm010 nextminus 1.000000000000000000000000000000002 -> 1.000000000000000000000000000000001
- dqnextm011 nextminus 1.000000000000000000000000000000003 -> 1.000000000000000000000000000000002
- dqnextm012 nextminus 1.000000000000000000000000000000004 -> 1.000000000000000000000000000000003
- dqnextm013 nextminus 1.000000000000000000000000000000005 -> 1.000000000000000000000000000000004
- dqnextm014 nextminus 1.000000000000000000000000000000006 -> 1.000000000000000000000000000000005
- dqnextm015 nextminus 1.000000000000000000000000000000007 -> 1.000000000000000000000000000000006
- dqnextm016 nextminus 1.000000000000000000000000000000008 -> 1.000000000000000000000000000000007
- dqnextm017 nextminus 1.000000000000000000000000000000009 -> 1.000000000000000000000000000000008
- dqnextm018 nextminus 1.000000000000000000000000000000010 -> 1.000000000000000000000000000000009
- dqnextm019 nextminus 1.000000000000000000000000000000011 -> 1.000000000000000000000000000000010
- dqnextm020 nextminus 1.000000000000000000000000000000012 -> 1.000000000000000000000000000000011
- dqnextm021 nextminus -0.9999999999999999999999999999999995 -> -0.9999999999999999999999999999999996
- dqnextm022 nextminus -0.9999999999999999999999999999999996 -> -0.9999999999999999999999999999999997
- dqnextm023 nextminus -0.9999999999999999999999999999999997 -> -0.9999999999999999999999999999999998
- dqnextm024 nextminus -0.9999999999999999999999999999999998 -> -0.9999999999999999999999999999999999
- dqnextm025 nextminus -0.9999999999999999999999999999999999 -> -1.000000000000000000000000000000000
- dqnextm026 nextminus -1.000000000000000000000000000000000 -> -1.000000000000000000000000000000001
- dqnextm027 nextminus -1.0 -> -1.000000000000000000000000000000001
- dqnextm028 nextminus -1 -> -1.000000000000000000000000000000001
- dqnextm029 nextminus -1.000000000000000000000000000000001 -> -1.000000000000000000000000000000002
- dqnextm030 nextminus -1.000000000000000000000000000000002 -> -1.000000000000000000000000000000003
- dqnextm031 nextminus -1.000000000000000000000000000000003 -> -1.000000000000000000000000000000004
- dqnextm032 nextminus -1.000000000000000000000000000000004 -> -1.000000000000000000000000000000005
- dqnextm033 nextminus -1.000000000000000000000000000000005 -> -1.000000000000000000000000000000006
- dqnextm034 nextminus -1.000000000000000000000000000000006 -> -1.000000000000000000000000000000007
- dqnextm035 nextminus -1.000000000000000000000000000000007 -> -1.000000000000000000000000000000008
- dqnextm036 nextminus -1.000000000000000000000000000000008 -> -1.000000000000000000000000000000009
- dqnextm037 nextminus -1.000000000000000000000000000000009 -> -1.000000000000000000000000000000010
- dqnextm038 nextminus -1.000000000000000000000000000000010 -> -1.000000000000000000000000000000011
- dqnextm039 nextminus -1.000000000000000000000000000000011 -> -1.000000000000000000000000000000012
- -- ultra-tiny inputs
- dqnextm062 nextminus 1E-6176 -> 0E-6176
- dqnextm065 nextminus -1E-6176 -> -2E-6176
- -- Zeros
- dqnextm100 nextminus -0 -> -1E-6176
- dqnextm101 nextminus 0 -> -1E-6176
- dqnextm102 nextminus 0.00 -> -1E-6176
- dqnextm103 nextminus -0.00 -> -1E-6176
- dqnextm104 nextminus 0E-300 -> -1E-6176
- dqnextm105 nextminus 0E+300 -> -1E-6176
- dqnextm106 nextminus 0E+30000 -> -1E-6176
- dqnextm107 nextminus -0E+30000 -> -1E-6176
- -- specials
- dqnextm150 nextminus Inf -> 9.999999999999999999999999999999999E+6144
- dqnextm151 nextminus -Inf -> -Infinity
- dqnextm152 nextminus NaN -> NaN
- dqnextm153 nextminus sNaN -> NaN Invalid_operation
- dqnextm154 nextminus NaN77 -> NaN77
- dqnextm155 nextminus sNaN88 -> NaN88 Invalid_operation
- dqnextm156 nextminus -NaN -> -NaN
- dqnextm157 nextminus -sNaN -> -NaN Invalid_operation
- dqnextm158 nextminus -NaN77 -> -NaN77
- dqnextm159 nextminus -sNaN88 -> -NaN88 Invalid_operation
- -- Nmax, Nmin, Ntiny, subnormals
- dqnextm170 nextminus 9.999999999999999999999999999999999E+6144 -> 9.999999999999999999999999999999998E+6144
- dqnextm171 nextminus 9.999999999999999999999999999999998E+6144 -> 9.999999999999999999999999999999997E+6144
- dqnextm172 nextminus 1E-6143 -> 9.99999999999999999999999999999999E-6144
- dqnextm173 nextminus 1.000000000000000000000000000000000E-6143 -> 9.99999999999999999999999999999999E-6144
- dqnextm174 nextminus 9E-6176 -> 8E-6176
- dqnextm175 nextminus 9.9E-6175 -> 9.8E-6175
- dqnextm176 nextminus 9.99999999999999999999999999999E-6147 -> 9.99999999999999999999999999998E-6147
- dqnextm177 nextminus 9.99999999999999999999999999999999E-6144 -> 9.99999999999999999999999999999998E-6144
- dqnextm178 nextminus 9.99999999999999999999999999999998E-6144 -> 9.99999999999999999999999999999997E-6144
- dqnextm179 nextminus 9.99999999999999999999999999999997E-6144 -> 9.99999999999999999999999999999996E-6144
- dqnextm180 nextminus 0E-6176 -> -1E-6176
- dqnextm181 nextminus 1E-6176 -> 0E-6176
- dqnextm182 nextminus 2E-6176 -> 1E-6176
- dqnextm183 nextminus -0E-6176 -> -1E-6176
- dqnextm184 nextminus -1E-6176 -> -2E-6176
- dqnextm185 nextminus -2E-6176 -> -3E-6176
- dqnextm186 nextminus -10E-6176 -> -1.1E-6175
- dqnextm187 nextminus -100E-6176 -> -1.01E-6174
- dqnextm188 nextminus -100000E-6176 -> -1.00001E-6171
- dqnextm189 nextminus -1.00000000000000000000000000000E-6143 -> -1.000000000000000000000000000000001E-6143
- dqnextm190 nextminus -1.000000000000000000000000000000000E-6143 -> -1.000000000000000000000000000000001E-6143
- dqnextm191 nextminus -1E-6143 -> -1.000000000000000000000000000000001E-6143
- dqnextm192 nextminus -9.999999999999999999999999999999998E+6144 -> -9.999999999999999999999999999999999E+6144
- dqnextm193 nextminus -9.999999999999999999999999999999999E+6144 -> -Infinity
- -- Null tests
- dqnextm900 nextminus # -> NaN Invalid_operation
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