diff -r 000000000000 -r ae805ac0140d python-2.5.2/win32/Lib/test/decimaltestdata/nextminus.decTest --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/python-2.5.2/win32/Lib/test/decimaltestdata/nextminus.decTest Fri Apr 03 17:19:34 2009 +0100 @@ -0,0 +1,148 @@ +------------------------------------------------------------------------ +-- nextminus.decTest -- decimal 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: 2.57 + +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 +