------------------------------------------------------------------------ -- dqNextMinus.decTest -- decQuad next that is less [754r nextdown] -- -- Copyright (c) IBM Corporation, 1981, 2007. 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: 2.56 -- 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