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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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