Add updated .hgeol file and fix newlines in the 3.1 branch.
diff --git a/Lib/test/decimaltestdata/scaleb.decTest b/Lib/test/decimaltestdata/scaleb.decTest
index 372e3dd..04a65d6 100644
--- a/Lib/test/decimaltestdata/scaleb.decTest
+++ b/Lib/test/decimaltestdata/scaleb.decTest
@@ -1,209 +1,209 @@
-------------------------------------------------------------------------
--- 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
+------------------------------------------------------------------------
+-- 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