/usr/lib/python2.7/test/decimaltestdata/scaleb.decTest is in libpython2.7-testsuite 2.7.6-8.
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-- scaleb.decTest -- scale a number by powers of 10 --
-- 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
extended: 1
precision: 9
rounding: half_up
maxExponent: 999
minExponent: -999
-- Max |rhs| is 2*(999+9) = 2016
-- Sanity checks
scbx001 scaleb 7.50 10 -> 7.50E+10
scbx002 scaleb 7.50 3 -> 7.50E+3
scbx003 scaleb 7.50 2 -> 750
scbx004 scaleb 7.50 1 -> 75.0
scbx005 scaleb 7.50 0 -> 7.50
scbx006 scaleb 7.50 -1 -> 0.750
scbx007 scaleb 7.50 -2 -> 0.0750
scbx008 scaleb 7.50 -10 -> 7.50E-10
scbx009 scaleb -7.50 3 -> -7.50E+3
scbx010 scaleb -7.50 2 -> -750
scbx011 scaleb -7.50 1 -> -75.0
scbx012 scaleb -7.50 0 -> -7.50
scbx013 scaleb -7.50 -1 -> -0.750
-- Infinities
scbx014 scaleb Infinity 1 -> Infinity
scbx015 scaleb -Infinity 2 -> -Infinity
scbx016 scaleb Infinity -1 -> Infinity
scbx017 scaleb -Infinity -2 -> -Infinity
-- Next two are somewhat undefined in 754r; treat as non-integer
scbx018 scaleb 10 Infinity -> NaN Invalid_operation
scbx019 scaleb 10 -Infinity -> NaN Invalid_operation
-- NaNs are undefined in 754r; assume usual processing
-- NaNs, 0 payload
scbx021 scaleb NaN 1 -> NaN
scbx022 scaleb -NaN -1 -> -NaN
scbx023 scaleb sNaN 1 -> NaN Invalid_operation
scbx024 scaleb -sNaN 1 -> -NaN Invalid_operation
scbx025 scaleb 4 NaN -> NaN
scbx026 scaleb -Inf -NaN -> -NaN
scbx027 scaleb 4 sNaN -> NaN Invalid_operation
scbx028 scaleb Inf -sNaN -> -NaN Invalid_operation
-- non-integer RHS
scbx030 scaleb 1.23 1 -> 12.3
scbx031 scaleb 1.23 1.00 -> NaN Invalid_operation
scbx032 scaleb 1.23 1.1 -> NaN Invalid_operation
scbx033 scaleb 1.23 1.01 -> NaN Invalid_operation
scbx034 scaleb 1.23 0.01 -> NaN Invalid_operation
scbx035 scaleb 1.23 0.11 -> NaN Invalid_operation
scbx036 scaleb 1.23 0.999999999 -> NaN Invalid_operation
scbx037 scaleb 1.23 -1 -> 0.123
scbx038 scaleb 1.23 -1.00 -> NaN Invalid_operation
scbx039 scaleb 1.23 -1.1 -> NaN Invalid_operation
scbx040 scaleb 1.23 -1.01 -> NaN Invalid_operation
scbx041 scaleb 1.23 -0.01 -> NaN Invalid_operation
scbx042 scaleb 1.23 -0.11 -> NaN Invalid_operation
scbx043 scaleb 1.23 -0.999999999 -> NaN Invalid_operation
scbx044 scaleb 1.23 0.1 -> NaN Invalid_operation
scbx045 scaleb 1.23 1E+1 -> NaN Invalid_operation
scbx046 scaleb 1.23 1.1234E+6 -> NaN Invalid_operation
scbx047 scaleb 1.23 1.123E+4 -> NaN Invalid_operation
scbx120 scaleb 1.23 2015 -> Infinity Overflow Inexact Rounded
scbx121 scaleb 1.23 2016 -> Infinity Overflow Inexact Rounded
scbx122 scaleb 1.23 2017 -> NaN Invalid_operation
scbx123 scaleb 1.23 2018 -> NaN Invalid_operation
scbx124 scaleb 1.23 -2015 -> 0E-1007 Underflow Subnormal Inexact Rounded Clamped
scbx125 scaleb 1.23 -2016 -> 0E-1007 Underflow Subnormal Inexact Rounded Clamped
scbx126 scaleb 1.23 -2017 -> NaN Invalid_operation
scbx127 scaleb 1.23 -2018 -> NaN Invalid_operation
-- NaNs, non-0 payload
-- propagating NaNs
scbx861 scaleb NaN01 -Inf -> NaN1
scbx862 scaleb -NaN02 -1000 -> -NaN2
scbx863 scaleb NaN03 1000 -> NaN3
scbx864 scaleb NaN04 Inf -> NaN4
scbx865 scaleb NaN05 NaN61 -> NaN5
scbx866 scaleb -Inf -NaN71 -> -NaN71
scbx867 scaleb -1000 NaN81 -> NaN81
scbx868 scaleb 1000 NaN91 -> NaN91
scbx869 scaleb Inf NaN101 -> NaN101
scbx871 scaleb sNaN011 -Inf -> NaN11 Invalid_operation
scbx872 scaleb sNaN012 -1000 -> NaN12 Invalid_operation
scbx873 scaleb -sNaN013 1000 -> -NaN13 Invalid_operation
scbx874 scaleb sNaN014 NaN171 -> NaN14 Invalid_operation
scbx875 scaleb sNaN015 sNaN181 -> NaN15 Invalid_operation
scbx876 scaleb NaN016 sNaN191 -> NaN191 Invalid_operation
scbx877 scaleb -Inf sNaN201 -> NaN201 Invalid_operation
scbx878 scaleb -1000 sNaN211 -> NaN211 Invalid_operation
scbx879 scaleb 1000 -sNaN221 -> -NaN221 Invalid_operation
scbx880 scaleb Inf sNaN231 -> NaN231 Invalid_operation
scbx881 scaleb NaN025 sNaN241 -> NaN241 Invalid_operation
-- finites
scbx051 scaleb 7 -2 -> 0.07
scbx052 scaleb -7 -2 -> -0.07
scbx053 scaleb 75 -2 -> 0.75
scbx054 scaleb -75 -2 -> -0.75
scbx055 scaleb 7.50 -2 -> 0.0750
scbx056 scaleb -7.50 -2 -> -0.0750
scbx057 scaleb 7.500 -2 -> 0.07500
scbx058 scaleb -7.500 -2 -> -0.07500
scbx061 scaleb 7 -1 -> 0.7
scbx062 scaleb -7 -1 -> -0.7
scbx063 scaleb 75 -1 -> 7.5
scbx064 scaleb -75 -1 -> -7.5
scbx065 scaleb 7.50 -1 -> 0.750
scbx066 scaleb -7.50 -1 -> -0.750
scbx067 scaleb 7.500 -1 -> 0.7500
scbx068 scaleb -7.500 -1 -> -0.7500
scbx071 scaleb 7 0 -> 7
scbx072 scaleb -7 0 -> -7
scbx073 scaleb 75 0 -> 75
scbx074 scaleb -75 0 -> -75
scbx075 scaleb 7.50 0 -> 7.50
scbx076 scaleb -7.50 0 -> -7.50
scbx077 scaleb 7.500 0 -> 7.500
scbx078 scaleb -7.500 0 -> -7.500
scbx081 scaleb 7 1 -> 7E+1
scbx082 scaleb -7 1 -> -7E+1
scbx083 scaleb 75 1 -> 7.5E+2
scbx084 scaleb -75 1 -> -7.5E+2
scbx085 scaleb 7.50 1 -> 75.0
scbx086 scaleb -7.50 1 -> -75.0
scbx087 scaleb 7.500 1 -> 75.00
scbx088 scaleb -7.500 1 -> -75.00
scbx091 scaleb 7 2 -> 7E+2
scbx092 scaleb -7 2 -> -7E+2
scbx093 scaleb 75 2 -> 7.5E+3
scbx094 scaleb -75 2 -> -7.5E+3
scbx095 scaleb 7.50 2 -> 750
scbx096 scaleb -7.50 2 -> -750
scbx097 scaleb 7.500 2 -> 750.0
scbx098 scaleb -7.500 2 -> -750.0
-- zeros
scbx111 scaleb 0 1 -> 0E+1
scbx112 scaleb -0 2 -> -0E+2
scbx113 scaleb 0E+4 3 -> 0E+7
scbx114 scaleb -0E+4 4 -> -0E+8
scbx115 scaleb 0.0000 5 -> 0E+1
scbx116 scaleb -0.0000 6 -> -0E+2
scbx117 scaleb 0E-141 7 -> 0E-134
scbx118 scaleb -0E-141 8 -> -0E-133
-- Nmax, Nmin, Ntiny
scbx132 scaleb 9.99999999E+999 +999 -> Infinity Overflow Inexact Rounded
scbx133 scaleb 9.99999999E+999 +10 -> Infinity Overflow Inexact Rounded
scbx134 scaleb 9.99999999E+999 +1 -> Infinity Overflow Inexact Rounded
scbx135 scaleb 9.99999999E+999 0 -> 9.99999999E+999
scbx136 scaleb 9.99999999E+999 -1 -> 9.99999999E+998
scbx137 scaleb 1E-999 +1 -> 1E-998
scbx138 scaleb 1E-999 -0 -> 1E-999
scbx139 scaleb 1E-999 -1 -> 1E-1000 Subnormal
scbx140 scaleb 1.00000000E-999 +1 -> 1.00000000E-998
scbx141 scaleb 1.00000000E-999 0 -> 1.00000000E-999
scbx142 scaleb 1.00000000E-999 -1 -> 1.0000000E-1000 Subnormal Rounded
scbx143 scaleb 1E-1007 +1 -> 1E-1006 Subnormal
scbx144 scaleb 1E-1007 -0 -> 1E-1007 Subnormal
scbx145 scaleb 1E-1007 -1 -> 0E-1007 Underflow Subnormal Inexact Rounded Clamped
scbx150 scaleb -1E-1007 +1 -> -1E-1006 Subnormal
scbx151 scaleb -1E-1007 -0 -> -1E-1007 Subnormal
scbx152 scaleb -1E-1007 -1 -> -0E-1007 Underflow Subnormal Inexact Rounded Clamped
scbx153 scaleb -1.00000000E-999 +1 -> -1.00000000E-998
scbx154 scaleb -1.00000000E-999 +0 -> -1.00000000E-999
scbx155 scaleb -1.00000000E-999 -1 -> -1.0000000E-1000 Subnormal Rounded
scbx156 scaleb -1E-999 +1 -> -1E-998
scbx157 scaleb -1E-999 -0 -> -1E-999
scbx158 scaleb -1E-999 -1 -> -1E-1000 Subnormal
scbx159 scaleb -9.99999999E+999 +1 -> -Infinity Overflow Inexact Rounded
scbx160 scaleb -9.99999999E+999 +0 -> -9.99999999E+999
scbx161 scaleb -9.99999999E+999 -1 -> -9.99999999E+998
scbx162 scaleb -9E+999 +1 -> -Infinity Overflow Inexact Rounded
scbx163 scaleb -1E+999 +1 -> -Infinity Overflow Inexact Rounded
-- Krah examples
precision: 34
maxExponent: 999999999
minExponent: -999999999
-- integer overflow in 3.61 or earlier
scbx164 scaleb 1E-999999999 -1200000000 -> NaN Invalid_operation
-- out of range
scbx165 scaleb -1E-999999999 +1200000000 -> NaN Invalid_operation
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