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Diffstat (limited to 'lib/python2.7/test/decimaltestdata/ddNextMinus.decTest')
| -rw-r--r-- | lib/python2.7/test/decimaltestdata/ddNextMinus.decTest | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/lib/python2.7/test/decimaltestdata/ddNextMinus.decTest b/lib/python2.7/test/decimaltestdata/ddNextMinus.decTest new file mode 100644 index 0000000..39f58c1 --- /dev/null +++ b/lib/python2.7/test/decimaltestdata/ddNextMinus.decTest @@ -0,0 +1,126 @@ +------------------------------------------------------------------------ +-- 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 + |