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- ------------------------------------------------------------------------
- -- nextminus.decTest -- decimal 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
- extended: 1
- precision: 9
- rounding: half_up
- maxExponent: 384
- minexponent: -383
- nextm001 nextminus 0.999999995 -> 0.999999994
- nextm002 nextminus 0.999999996 -> 0.999999995
- nextm003 nextminus 0.999999997 -> 0.999999996
- nextm004 nextminus 0.999999998 -> 0.999999997
- nextm005 nextminus 0.999999999 -> 0.999999998
- nextm006 nextminus 1.00000000 -> 0.999999999
- nextm007 nextminus 1.0 -> 0.999999999
- nextm008 nextminus 1 -> 0.999999999
- nextm009 nextminus 1.00000001 -> 1.00000000
- nextm010 nextminus 1.00000002 -> 1.00000001
- nextm011 nextminus 1.00000003 -> 1.00000002
- nextm012 nextminus 1.00000004 -> 1.00000003
- nextm013 nextminus 1.00000005 -> 1.00000004
- nextm014 nextminus 1.00000006 -> 1.00000005
- nextm015 nextminus 1.00000007 -> 1.00000006
- nextm016 nextminus 1.00000008 -> 1.00000007
- nextm017 nextminus 1.00000009 -> 1.00000008
- nextm018 nextminus 1.00000010 -> 1.00000009
- nextm019 nextminus 1.00000011 -> 1.00000010
- nextm020 nextminus 1.00000012 -> 1.00000011
- nextm021 nextminus -0.999999995 -> -0.999999996
- nextm022 nextminus -0.999999996 -> -0.999999997
- nextm023 nextminus -0.999999997 -> -0.999999998
- nextm024 nextminus -0.999999998 -> -0.999999999
- nextm025 nextminus -0.999999999 -> -1.00000000
- nextm026 nextminus -1.00000000 -> -1.00000001
- nextm027 nextminus -1.0 -> -1.00000001
- nextm028 nextminus -1 -> -1.00000001
- nextm029 nextminus -1.00000001 -> -1.00000002
- nextm030 nextminus -1.00000002 -> -1.00000003
- nextm031 nextminus -1.00000003 -> -1.00000004
- nextm032 nextminus -1.00000004 -> -1.00000005
- nextm033 nextminus -1.00000005 -> -1.00000006
- nextm034 nextminus -1.00000006 -> -1.00000007
- nextm035 nextminus -1.00000007 -> -1.00000008
- nextm036 nextminus -1.00000008 -> -1.00000009
- nextm037 nextminus -1.00000009 -> -1.00000010
- nextm038 nextminus -1.00000010 -> -1.00000011
- nextm039 nextminus -1.00000011 -> -1.00000012
- -- input operand is >precision
- nextm041 nextminus 1.00000010998 -> 1.00000010
- nextm042 nextminus 1.00000010999 -> 1.00000010
- nextm043 nextminus 1.00000011000 -> 1.00000010
- nextm044 nextminus 1.00000011001 -> 1.00000011
- nextm045 nextminus 1.00000011002 -> 1.00000011
- nextm046 nextminus 1.00000011002 -> 1.00000011
- nextm047 nextminus 1.00000011052 -> 1.00000011
- nextm048 nextminus 1.00000011552 -> 1.00000011
- nextm049 nextminus -1.00000010998 -> -1.00000011
- nextm050 nextminus -1.00000010999 -> -1.00000011
- nextm051 nextminus -1.00000011000 -> -1.00000012
- nextm052 nextminus -1.00000011001 -> -1.00000012
- nextm053 nextminus -1.00000011002 -> -1.00000012
- nextm054 nextminus -1.00000011002 -> -1.00000012
- nextm055 nextminus -1.00000011052 -> -1.00000012
- nextm056 nextminus -1.00000011552 -> -1.00000012
- -- ultra-tiny inputs
- nextm060 nextminus 1E-99999 -> 0E-391
- nextm061 nextminus 1E-999999999 -> 0E-391
- nextm062 nextminus 1E-391 -> 0E-391
- nextm063 nextminus -1E-99999 -> -1E-391
- nextm064 nextminus -1E-999999999 -> -1E-391
- nextm065 nextminus -1E-391 -> -2E-391
- -- Zeros
- nextm100 nextminus -0 -> -1E-391
- nextm101 nextminus 0 -> -1E-391
- nextm102 nextminus 0.00 -> -1E-391
- nextm103 nextminus -0.00 -> -1E-391
- nextm104 nextminus 0E-300 -> -1E-391
- nextm105 nextminus 0E+300 -> -1E-391
- nextm106 nextminus 0E+30000 -> -1E-391
- nextm107 nextminus -0E+30000 -> -1E-391
- precision: 9
- maxExponent: 999
- minexponent: -999
- -- specials
- nextm150 nextminus Inf -> 9.99999999E+999
- nextm151 nextminus -Inf -> -Infinity
- nextm152 nextminus NaN -> NaN
- nextm153 nextminus sNaN -> NaN Invalid_operation
- nextm154 nextminus NaN77 -> NaN77
- nextm155 nextminus sNaN88 -> NaN88 Invalid_operation
- nextm156 nextminus -NaN -> -NaN
- nextm157 nextminus -sNaN -> -NaN Invalid_operation
- nextm158 nextminus -NaN77 -> -NaN77
- nextm159 nextminus -sNaN88 -> -NaN88 Invalid_operation
- -- Nmax, Nmin, Ntiny, subnormals
- nextm170 nextminus 9.99999999E+999 -> 9.99999998E+999
- nextm171 nextminus 9.99999998E+999 -> 9.99999997E+999
- nextm172 nextminus 1E-999 -> 9.9999999E-1000
- nextm173 nextminus 1.00000000E-999 -> 9.9999999E-1000
- nextm174 nextminus 9E-1007 -> 8E-1007
- nextm175 nextminus 9.9E-1006 -> 9.8E-1006
- nextm176 nextminus 9.9999E-1003 -> 9.9998E-1003
- nextm177 nextminus 9.9999999E-1000 -> 9.9999998E-1000
- nextm178 nextminus 9.9999998E-1000 -> 9.9999997E-1000
- nextm179 nextminus 9.9999997E-1000 -> 9.9999996E-1000
- nextm180 nextminus 0E-1007 -> -1E-1007
- nextm181 nextminus 1E-1007 -> 0E-1007
- nextm182 nextminus 2E-1007 -> 1E-1007
- nextm183 nextminus -0E-1007 -> -1E-1007
- nextm184 nextminus -1E-1007 -> -2E-1007
- nextm185 nextminus -2E-1007 -> -3E-1007
- nextm186 nextminus -10E-1007 -> -1.1E-1006
- nextm187 nextminus -100E-1007 -> -1.01E-1005
- nextm188 nextminus -100000E-1007 -> -1.00001E-1002
- nextm189 nextminus -1.0000E-999 -> -1.00000001E-999
- nextm190 nextminus -1.00000000E-999 -> -1.00000001E-999
- nextm191 nextminus -1E-999 -> -1.00000001E-999
- nextm192 nextminus -9.99999998E+999 -> -9.99999999E+999
- nextm193 nextminus -9.99999999E+999 -> -Infinity
- -- Null tests
- nextm900 nextminus # -> NaN Invalid_operation
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