244 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
			
		
		
	
	
			244 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
| ------------------------------------------------------------------------
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| -- ddScalebB.decTest -- scale a decDouble by powers of 10             --
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| -- Copyright (c) IBM Corporation, 1981, 2008.  All rights reserved.   --
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| ------------------------------------------------------------------------
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| -- Please see the document "General Decimal Arithmetic Testcases"     --
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| -- at http://www2.hursley.ibm.com/decimal for the description of      --
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| -- these testcases.                                                   --
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| --                                                                    --
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| -- These testcases are experimental ('beta' versions), and they       --
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| -- may contain errors.  They are offered on an as-is basis.  In       --
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| -- particular, achieving the same results as the tests here is not    --
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| -- a guarantee that an implementation complies with any Standard      --
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| -- or specification.  The tests are not exhaustive.                   --
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| --                                                                    --
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| -- Please send comments, suggestions, and corrections to the author:  --
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| --   Mike Cowlishaw, IBM Fellow                                       --
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| --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
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| --   mfc@uk.ibm.com                                                   --
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| ------------------------------------------------------------------------
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| version: 2.59
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| 
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| precision:   16
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| maxExponent: 384
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| minExponent: -383
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| extended:    1
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| clamp:       1
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| rounding:    half_even
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| 
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| -- Max |rhs| is 2*(384+16) = 800
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| 
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| -- Sanity checks
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| ddscb001 scaleb       7.50   10 -> 7.50E+10
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| ddscb002 scaleb       7.50    3 -> 7.50E+3
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| ddscb003 scaleb       7.50    2 -> 750
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| ddscb004 scaleb       7.50    1 -> 75.0
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| ddscb005 scaleb       7.50    0 -> 7.50
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| ddscb006 scaleb       7.50   -1 -> 0.750
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| ddscb007 scaleb       7.50   -2 -> 0.0750
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| ddscb008 scaleb       7.50  -10 -> 7.50E-10
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| ddscb009 scaleb      -7.50    3 -> -7.50E+3
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| ddscb010 scaleb      -7.50    2 -> -750
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| ddscb011 scaleb      -7.50    1 -> -75.0
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| ddscb012 scaleb      -7.50    0 -> -7.50
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| ddscb013 scaleb      -7.50   -1 -> -0.750
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| 
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| -- Infinities
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| ddscb014 scaleb  Infinity   1 -> Infinity
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| ddscb015 scaleb  -Infinity  2 -> -Infinity
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| ddscb016 scaleb  Infinity  -1 -> Infinity
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| ddscb017 scaleb  -Infinity -2 -> -Infinity
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| 
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| -- Next two are somewhat undefined in 754r; treat as non-integer
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| ddscb018 scaleb  10  Infinity -> NaN Invalid_operation
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| ddscb019 scaleb  10 -Infinity -> NaN Invalid_operation
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| 
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| -- NaNs are undefined in 754r; assume usual processing
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| -- NaNs, 0 payload
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| ddscb021 scaleb         NaN  1 -> NaN
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| ddscb022 scaleb        -NaN -1 -> -NaN
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| ddscb023 scaleb        sNaN  1 -> NaN Invalid_operation
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| ddscb024 scaleb       -sNaN  1 -> -NaN Invalid_operation
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| ddscb025 scaleb    4    NaN    -> NaN
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| ddscb026 scaleb -Inf   -NaN    -> -NaN
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| ddscb027 scaleb    4   sNaN    -> NaN Invalid_operation
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| ddscb028 scaleb  Inf  -sNaN    -> -NaN Invalid_operation
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| 
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| -- non-integer RHS
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| ddscb030 scaleb  1.23    1    ->  12.3
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| ddscb031 scaleb  1.23    1.00 ->  NaN Invalid_operation
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| ddscb032 scaleb  1.23    1.1  ->  NaN Invalid_operation
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| ddscb033 scaleb  1.23    1.01 ->  NaN Invalid_operation
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| ddscb034 scaleb  1.23    0.01 ->  NaN Invalid_operation
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| ddscb035 scaleb  1.23    0.11 ->  NaN Invalid_operation
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| ddscb036 scaleb  1.23    0.999999999 ->  NaN Invalid_operation
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| ddscb037 scaleb  1.23   -1    ->  0.123
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| ddscb038 scaleb  1.23   -1.00 ->  NaN Invalid_operation
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| ddscb039 scaleb  1.23   -1.1  ->  NaN Invalid_operation
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| ddscb040 scaleb  1.23   -1.01 ->  NaN Invalid_operation
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| ddscb041 scaleb  1.23   -0.01 ->  NaN Invalid_operation
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| ddscb042 scaleb  1.23   -0.11 ->  NaN Invalid_operation
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| ddscb043 scaleb  1.23   -0.999999999 ->  NaN Invalid_operation
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| ddscb044 scaleb  1.23    0.1         ->  NaN Invalid_operation
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| ddscb045 scaleb  1.23    1E+1        ->  NaN Invalid_operation
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| ddscb046 scaleb  1.23    1.1234E+6   ->  NaN Invalid_operation
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| ddscb047 scaleb  1.23    1.123E+4    ->  NaN Invalid_operation
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| 
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| -- out-of range RHS
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| ddscb120 scaleb  1.23    799         ->  Infinity Overflow Inexact Rounded
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| ddscb121 scaleb  1.23    800         ->  Infinity Overflow Inexact Rounded
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| ddscb122 scaleb  1.23    801         ->  NaN Invalid_operation
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| ddscb123 scaleb  1.23    802         ->  NaN Invalid_operation
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| ddscb124 scaleb  1.23   -799         ->  0E-398 Underflow Subnormal Inexact Rounded Clamped
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| ddscb125 scaleb  1.23   -800         ->  0E-398 Underflow Subnormal Inexact Rounded Clamped
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| ddscb126 scaleb  1.23   -801         ->  NaN Invalid_operation
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| ddscb127 scaleb  1.23   -802         ->  NaN Invalid_operation
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| 
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| -- NaNs, non-0 payload
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| -- propagating NaNs
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| ddscb861 scaleb  NaN01   -Inf     ->  NaN1
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| ddscb862 scaleb -NaN02   -1000    -> -NaN2
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| ddscb863 scaleb  NaN03    1000    ->  NaN3
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| ddscb864 scaleb  NaN04    Inf     ->  NaN4
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| ddscb865 scaleb  NaN05    NaN61   ->  NaN5
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| ddscb866 scaleb -Inf     -NaN71   -> -NaN71
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| ddscb867 scaleb -1000     NaN81   ->  NaN81
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| ddscb868 scaleb  1000     NaN91   ->  NaN91
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| ddscb869 scaleb  Inf      NaN101  ->  NaN101
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| ddscb871 scaleb  sNaN011  -Inf    ->  NaN11  Invalid_operation
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| ddscb872 scaleb  sNaN012  -1000   ->  NaN12  Invalid_operation
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| ddscb873 scaleb -sNaN013   1000   -> -NaN13  Invalid_operation
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| ddscb874 scaleb  sNaN014   NaN171 ->  NaN14  Invalid_operation
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| ddscb875 scaleb  sNaN015  sNaN181 ->  NaN15  Invalid_operation
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| ddscb876 scaleb  NaN016   sNaN191 ->  NaN191 Invalid_operation
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| ddscb877 scaleb -Inf      sNaN201 ->  NaN201 Invalid_operation
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| ddscb878 scaleb -1000     sNaN211 ->  NaN211 Invalid_operation
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| ddscb879 scaleb  1000    -sNaN221 -> -NaN221 Invalid_operation
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| ddscb880 scaleb  Inf      sNaN231 ->  NaN231 Invalid_operation
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| ddscb881 scaleb  NaN025   sNaN241 ->  NaN241 Invalid_operation
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| 
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| -- finites
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| ddscb051 scaleb          7   -2  -> 0.07
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| ddscb052 scaleb         -7   -2  -> -0.07
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| ddscb053 scaleb         75   -2  -> 0.75
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| ddscb054 scaleb        -75   -2  -> -0.75
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| ddscb055 scaleb       7.50   -2  -> 0.0750
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| ddscb056 scaleb      -7.50   -2  -> -0.0750
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| ddscb057 scaleb       7.500  -2  -> 0.07500
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| ddscb058 scaleb      -7.500  -2  -> -0.07500
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| ddscb061 scaleb          7   -1  -> 0.7
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| ddscb062 scaleb         -7   -1  -> -0.7
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| ddscb063 scaleb         75   -1  -> 7.5
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| ddscb064 scaleb        -75   -1  -> -7.5
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| ddscb065 scaleb       7.50   -1  -> 0.750
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| ddscb066 scaleb      -7.50   -1  -> -0.750
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| ddscb067 scaleb       7.500  -1  -> 0.7500
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| ddscb068 scaleb      -7.500  -1  -> -0.7500
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| ddscb071 scaleb          7    0  -> 7
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| ddscb072 scaleb         -7    0  -> -7
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| ddscb073 scaleb         75    0  -> 75
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| ddscb074 scaleb        -75    0  -> -75
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| ddscb075 scaleb       7.50    0  -> 7.50
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| ddscb076 scaleb      -7.50    0  -> -7.50
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| ddscb077 scaleb       7.500   0  -> 7.500
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| ddscb078 scaleb      -7.500   0  -> -7.500
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| ddscb081 scaleb          7    1  -> 7E+1
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| ddscb082 scaleb         -7    1  -> -7E+1
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| ddscb083 scaleb         75    1  -> 7.5E+2
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| ddscb084 scaleb        -75    1  -> -7.5E+2
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| ddscb085 scaleb       7.50    1  -> 75.0
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| ddscb086 scaleb      -7.50    1  -> -75.0
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| ddscb087 scaleb       7.500   1  -> 75.00
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| ddscb088 scaleb      -7.500   1  -> -75.00
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| ddscb091 scaleb          7    2  -> 7E+2
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| ddscb092 scaleb         -7    2  -> -7E+2
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| ddscb093 scaleb         75    2  -> 7.5E+3
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| ddscb094 scaleb        -75    2  -> -7.5E+3
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| ddscb095 scaleb       7.50    2  -> 750
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| ddscb096 scaleb      -7.50    2  -> -750
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| ddscb097 scaleb       7.500   2  -> 750.0
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| ddscb098 scaleb      -7.500   2  -> -750.0
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| 
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| -- zeros
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| ddscb111 scaleb          0  1 -> 0E+1
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| ddscb112 scaleb         -0  2 -> -0E+2
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| ddscb113 scaleb       0E+4  3 -> 0E+7
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| ddscb114 scaleb      -0E+4  4 -> -0E+8
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| ddscb115 scaleb     0.0000  5 -> 0E+1
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| ddscb116 scaleb    -0.0000  6 -> -0E+2
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| ddscb117 scaleb      0E-141 7 -> 0E-134
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| ddscb118 scaleb     -0E-141 8 -> -0E-133
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| 
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| -- Nmax, Nmin, Ntiny
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| ddscb132 scaleb  9.999999999999999E+384  +384 -> Infinity    Overflow Inexact Rounded
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| ddscb133 scaleb  9.999999999999999E+384  +10 -> Infinity     Overflow Inexact Rounded
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| ddscb134 scaleb  9.999999999999999E+384  +1  -> Infinity     Overflow Inexact Rounded
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| ddscb135 scaleb  9.999999999999999E+384   0  -> 9.999999999999999E+384
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| ddscb136 scaleb  9.999999999999999E+384  -1  -> 9.999999999999999E+383
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| ddscb137 scaleb  1E-383           +1  -> 1E-382
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| ddscb138 scaleb  1E-383           -0  -> 1E-383
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| ddscb139 scaleb  1E-383           -1  -> 1E-384          Subnormal
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| ddscb140 scaleb  1.000000000000000E-383  +1  -> 1.000000000000000E-382
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| ddscb141 scaleb  1.000000000000000E-383   0  -> 1.000000000000000E-383
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| ddscb142 scaleb  1.000000000000000E-383  -1  -> 1.00000000000000E-384 Subnormal Rounded
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| ddscb143 scaleb  1E-398          +1  -> 1E-397          Subnormal
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| ddscb144 scaleb  1E-398          -0  -> 1E-398         Subnormal
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| ddscb145 scaleb  1E-398          -1  -> 0E-398         Underflow Subnormal Inexact Rounded Clamped
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| 
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| ddscb150 scaleb  -1E-398         +1  -> -1E-397         Subnormal
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| ddscb151 scaleb  -1E-398         -0  -> -1E-398        Subnormal
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| ddscb152 scaleb  -1E-398         -1  -> -0E-398        Underflow Subnormal Inexact Rounded Clamped
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| ddscb153 scaleb  -1.000000000000000E-383 +1  -> -1.000000000000000E-382
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| ddscb154 scaleb  -1.000000000000000E-383 +0  -> -1.000000000000000E-383
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| ddscb155 scaleb  -1.000000000000000E-383 -1  -> -1.00000000000000E-384 Subnormal Rounded
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| ddscb156 scaleb  -1E-383          +1  -> -1E-382
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| ddscb157 scaleb  -1E-383          -0  -> -1E-383
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| ddscb158 scaleb  -1E-383          -1  -> -1E-384          Subnormal
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| ddscb159 scaleb  -9.999999999999999E+384 +1  -> -Infinity        Overflow Inexact Rounded
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| ddscb160 scaleb  -9.999999999999999E+384 +0  -> -9.999999999999999E+384
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| ddscb161 scaleb  -9.999999999999999E+384 -1  -> -9.999999999999999E+383
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| ddscb162 scaleb  -9E+384          +1  -> -Infinity        Overflow Inexact Rounded
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| ddscb163 scaleb  -1E+384          +1  -> -Infinity        Overflow Inexact Rounded
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| 
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| -- some Origami
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| -- (these check that overflow is being done correctly)
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| ddscb171 scaleb   1000E+365  +1 -> 1.000E+369
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| ddscb172 scaleb   1000E+366  +1 -> 1.000E+370
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| ddscb173 scaleb   1000E+367  +1 -> 1.000E+371
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| ddscb174 scaleb   1000E+368  +1 -> 1.000E+372
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| ddscb175 scaleb   1000E+369  +1 -> 1.0000E+373                  Clamped
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| ddscb176 scaleb   1000E+370  +1 -> 1.00000E+374                 Clamped
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| ddscb177 scaleb   1000E+371  +1 -> 1.000000E+375                Clamped
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| ddscb178 scaleb   1000E+372  +1 -> 1.0000000E+376               Clamped
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| ddscb179 scaleb   1000E+373  +1 -> 1.00000000E+377              Clamped
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| ddscb180 scaleb   1000E+374  +1 -> 1.000000000E+378             Clamped
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| ddscb181 scaleb   1000E+375  +1 -> 1.0000000000E+379            Clamped
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| ddscb182 scaleb   1000E+376  +1 -> 1.00000000000E+380           Clamped
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| ddscb183 scaleb   1000E+377  +1 -> 1.000000000000E+381          Clamped
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| ddscb184 scaleb   1000E+378  +1 -> 1.0000000000000E+382         Clamped
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| ddscb185 scaleb   1000E+379  +1 -> 1.00000000000000E+383        Clamped
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| ddscb186 scaleb   1000E+380  +1 -> 1.000000000000000E+384       Clamped
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| ddscb187 scaleb   1000E+381  +1 -> Infinity    Overflow Inexact Rounded
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| 
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| -- and a few more subnormal truncations
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| -- (these check that underflow is being done correctly)
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| ddscb201 scaleb  1.000000000000000E-383   0  -> 1.000000000000000E-383
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| ddscb202 scaleb  1.000000000000000E-383  -1  -> 1.00000000000000E-384 Subnormal Rounded
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| ddscb203 scaleb  1.000000000000000E-383  -2  -> 1.0000000000000E-385 Subnormal Rounded
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| ddscb204 scaleb  1.000000000000000E-383  -3  -> 1.000000000000E-386 Subnormal Rounded
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| ddscb205 scaleb  1.000000000000000E-383  -4  -> 1.00000000000E-387 Subnormal Rounded
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| ddscb206 scaleb  1.000000000000000E-383  -5  -> 1.0000000000E-388 Subnormal Rounded
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| ddscb207 scaleb  1.000000000000000E-383  -6  -> 1.000000000E-389 Subnormal Rounded
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| ddscb208 scaleb  1.000000000000000E-383  -7  -> 1.00000000E-390 Subnormal Rounded
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| ddscb209 scaleb  1.000000000000000E-383  -8  -> 1.0000000E-391 Subnormal Rounded
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| ddscb210 scaleb  1.000000000000000E-383  -9  -> 1.000000E-392 Subnormal Rounded
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| ddscb211 scaleb  1.000000000000000E-383  -10 -> 1.00000E-393 Subnormal Rounded
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| ddscb212 scaleb  1.000000000000000E-383  -11 -> 1.0000E-394 Subnormal Rounded
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| ddscb213 scaleb  1.000000000000000E-383  -12 -> 1.000E-395 Subnormal Rounded
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| ddscb214 scaleb  1.000000000000000E-383  -13 -> 1.00E-396 Subnormal Rounded
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| ddscb215 scaleb  1.000000000000000E-383  -14 -> 1.0E-397 Subnormal Rounded
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| ddscb216 scaleb  1.000000000000000E-383  -15 -> 1E-398 Subnormal Rounded
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| ddscb217 scaleb  1.000000000000000E-383  -16 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
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| ddscb218 scaleb  1.000000000000000E-383  -17 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
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| 
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