| ------------------------------------------------------------------------ | |
| -- ddNextMinus.decTest -- decDouble 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 decDoubles. | |
| precision: 16 | |
| maxExponent: 384 | |
| minExponent: -383 | |
| extended: 1 | |
| clamp: 1 | |
| rounding: half_even | |
| ddnextm001 nextminus 0.9999999999999995 -> 0.9999999999999994 | |
| ddnextm002 nextminus 0.9999999999999996 -> 0.9999999999999995 | |
| ddnextm003 nextminus 0.9999999999999997 -> 0.9999999999999996 | |
| ddnextm004 nextminus 0.9999999999999998 -> 0.9999999999999997 | |
| ddnextm005 nextminus 0.9999999999999999 -> 0.9999999999999998 | |
| ddnextm006 nextminus 1.000000000000000 -> 0.9999999999999999 | |
| ddnextm007 nextminus 1.0 -> 0.9999999999999999 | |
| ddnextm008 nextminus 1 -> 0.9999999999999999 | |
| ddnextm009 nextminus 1.000000000000001 -> 1.000000000000000 | |
| ddnextm010 nextminus 1.000000000000002 -> 1.000000000000001 | |
| ddnextm011 nextminus 1.000000000000003 -> 1.000000000000002 | |
| ddnextm012 nextminus 1.000000000000004 -> 1.000000000000003 | |
| ddnextm013 nextminus 1.000000000000005 -> 1.000000000000004 | |
| ddnextm014 nextminus 1.000000000000006 -> 1.000000000000005 | |
| ddnextm015 nextminus 1.000000000000007 -> 1.000000000000006 | |
| ddnextm016 nextminus 1.000000000000008 -> 1.000000000000007 | |
| ddnextm017 nextminus 1.000000000000009 -> 1.000000000000008 | |
| ddnextm018 nextminus 1.000000000000010 -> 1.000000000000009 | |
| ddnextm019 nextminus 1.000000000000011 -> 1.000000000000010 | |
| ddnextm020 nextminus 1.000000000000012 -> 1.000000000000011 | |
| ddnextm021 nextminus -0.9999999999999995 -> -0.9999999999999996 | |
| ddnextm022 nextminus -0.9999999999999996 -> -0.9999999999999997 | |
| ddnextm023 nextminus -0.9999999999999997 -> -0.9999999999999998 | |
| ddnextm024 nextminus -0.9999999999999998 -> -0.9999999999999999 | |
| ddnextm025 nextminus -0.9999999999999999 -> -1.000000000000000 | |
| ddnextm026 nextminus -1.000000000000000 -> -1.000000000000001 | |
| ddnextm027 nextminus -1.0 -> -1.000000000000001 | |
| ddnextm028 nextminus -1 -> -1.000000000000001 | |
| ddnextm029 nextminus -1.000000000000001 -> -1.000000000000002 | |
| ddnextm030 nextminus -1.000000000000002 -> -1.000000000000003 | |
| ddnextm031 nextminus -1.000000000000003 -> -1.000000000000004 | |
| ddnextm032 nextminus -1.000000000000004 -> -1.000000000000005 | |
| ddnextm033 nextminus -1.000000000000005 -> -1.000000000000006 | |
| ddnextm034 nextminus -1.000000000000006 -> -1.000000000000007 | |
| ddnextm035 nextminus -1.000000000000007 -> -1.000000000000008 | |
| ddnextm036 nextminus -1.000000000000008 -> -1.000000000000009 | |
| ddnextm037 nextminus -1.000000000000009 -> -1.000000000000010 | |
| ddnextm038 nextminus -1.000000000000010 -> -1.000000000000011 | |
| ddnextm039 nextminus -1.000000000000011 -> -1.000000000000012 | |
| -- ultra-tiny inputs | |
| ddnextm062 nextminus 1E-398 -> 0E-398 | |
| ddnextm065 nextminus -1E-398 -> -2E-398 | |
| -- Zeros | |
| ddnextm100 nextminus -0 -> -1E-398 | |
| ddnextm101 nextminus 0 -> -1E-398 | |
| ddnextm102 nextminus 0.00 -> -1E-398 | |
| ddnextm103 nextminus -0.00 -> -1E-398 | |
| ddnextm104 nextminus 0E-300 -> -1E-398 | |
| ddnextm105 nextminus 0E+300 -> -1E-398 | |
| ddnextm106 nextminus 0E+30000 -> -1E-398 | |
| ddnextm107 nextminus -0E+30000 -> -1E-398 | |
| -- specials | |
| ddnextm150 nextminus Inf -> 9.999999999999999E+384 | |
| ddnextm151 nextminus -Inf -> -Infinity | |
| ddnextm152 nextminus NaN -> NaN | |
| ddnextm153 nextminus sNaN -> NaN Invalid_operation | |
| ddnextm154 nextminus NaN77 -> NaN77 | |
| ddnextm155 nextminus sNaN88 -> NaN88 Invalid_operation | |
| ddnextm156 nextminus -NaN -> -NaN | |
| ddnextm157 nextminus -sNaN -> -NaN Invalid_operation | |
| ddnextm158 nextminus -NaN77 -> -NaN77 | |
| ddnextm159 nextminus -sNaN88 -> -NaN88 Invalid_operation | |
| -- Nmax, Nmin, Ntiny, subnormals | |
| ddnextm170 nextminus 9.999999999999999E+384 -> 9.999999999999998E+384 | |
| ddnextm171 nextminus 9.999999999999998E+384 -> 9.999999999999997E+384 | |
| ddnextm172 nextminus 1E-383 -> 9.99999999999999E-384 | |
| ddnextm173 nextminus 1.000000000000000E-383 -> 9.99999999999999E-384 | |
| ddnextm174 nextminus 9E-398 -> 8E-398 | |
| ddnextm175 nextminus 9.9E-397 -> 9.8E-397 | |
| ddnextm176 nextminus 9.99999999999E-387 -> 9.99999999998E-387 | |
| ddnextm177 nextminus 9.99999999999999E-384 -> 9.99999999999998E-384 | |
| ddnextm178 nextminus 9.99999999999998E-384 -> 9.99999999999997E-384 | |
| ddnextm179 nextminus 9.99999999999997E-384 -> 9.99999999999996E-384 | |
| ddnextm180 nextminus 0E-398 -> -1E-398 | |
| ddnextm181 nextminus 1E-398 -> 0E-398 | |
| ddnextm182 nextminus 2E-398 -> 1E-398 | |
| ddnextm183 nextminus -0E-398 -> -1E-398 | |
| ddnextm184 nextminus -1E-398 -> -2E-398 | |
| ddnextm185 nextminus -2E-398 -> -3E-398 | |
| ddnextm186 nextminus -10E-398 -> -1.1E-397 | |
| ddnextm187 nextminus -100E-398 -> -1.01E-396 | |
| ddnextm188 nextminus -100000E-398 -> -1.00001E-393 | |
| ddnextm189 nextminus -1.00000000000E-383 -> -1.000000000000001E-383 | |
| ddnextm190 nextminus -1.000000000000000E-383 -> -1.000000000000001E-383 | |
| ddnextm191 nextminus -1E-383 -> -1.000000000000001E-383 | |
| ddnextm192 nextminus -9.999999999999998E+384 -> -9.999999999999999E+384 | |
| ddnextm193 nextminus -9.999999999999999E+384 -> -Infinity | |
| -- Null tests | |
| ddnextm900 nextminus # -> NaN Invalid_operation | |