------------------------------------------------------------------------ -- nextminus.decTest -- decimal next that is less [754r nextdown] -- -- Copyright (c) Mike Cowlishaw, 1981, 2010. All rights reserved. -- -- Parts copyright (c) IBM Corporation, 1981, 2008. -- ------------------------------------------------------------------------ -- Please see the document "General Decimal Arithmetic Testcases" -- -- at http://speleotrove.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, mfc@speleotrove.com -- ------------------------------------------------------------------------ version: 2.62 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