mirror of https://github.com/python/cpython
127 lines
8.4 KiB
Plaintext
127 lines
8.4 KiB
Plaintext
------------------------------------------------------------------------
|
|
-- 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
|
|
|