| ------------------------------------------------------------------------ |
| -- 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 |
| |
