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			304 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
| ------------------------------------------------------------------------
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| -- ddMaxMag.decTest -- decDouble maxnummag                            --
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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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| -- we assume that base comparison is tested in compare.decTest, so
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| -- these mainly cover special cases and rounding
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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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| -- sanity checks
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| ddmxg001 maxmag  -2  -2  -> -2
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| ddmxg002 maxmag  -2  -1  -> -2
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| ddmxg003 maxmag  -2   0  -> -2
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| ddmxg004 maxmag  -2   1  -> -2
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| ddmxg005 maxmag  -2   2  ->  2
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| ddmxg006 maxmag  -1  -2  -> -2
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| ddmxg007 maxmag  -1  -1  -> -1
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| ddmxg008 maxmag  -1   0  -> -1
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| ddmxg009 maxmag  -1   1  ->  1
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| ddmxg010 maxmag  -1   2  ->  2
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| ddmxg011 maxmag   0  -2  -> -2
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| ddmxg012 maxmag   0  -1  -> -1
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| ddmxg013 maxmag   0   0  ->  0
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| ddmxg014 maxmag   0   1  ->  1
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| ddmxg015 maxmag   0   2  ->  2
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| ddmxg016 maxmag   1  -2  -> -2
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| ddmxg017 maxmag   1  -1  ->  1
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| ddmxg018 maxmag   1   0  ->  1
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| ddmxg019 maxmag   1   1  ->  1
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| ddmxg020 maxmag   1   2  ->  2
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| ddmxg021 maxmag   2  -2  ->  2
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| ddmxg022 maxmag   2  -1  ->  2
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| ddmxg023 maxmag   2   0  ->  2
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| ddmxg025 maxmag   2   1  ->  2
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| ddmxg026 maxmag   2   2  ->  2
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| 
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| -- extended zeros
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| ddmxg030 maxmag   0     0   ->  0
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| ddmxg031 maxmag   0    -0   ->  0
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| ddmxg032 maxmag   0    -0.0 ->  0
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| ddmxg033 maxmag   0     0.0 ->  0
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| ddmxg034 maxmag  -0     0   ->  0    -- note: -0 = 0, but 0 chosen
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| ddmxg035 maxmag  -0    -0   -> -0
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| ddmxg036 maxmag  -0    -0.0 -> -0.0
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| ddmxg037 maxmag  -0     0.0 ->  0.0
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| ddmxg038 maxmag   0.0   0   ->  0
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| ddmxg039 maxmag   0.0  -0   ->  0.0
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| ddmxg040 maxmag   0.0  -0.0 ->  0.0
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| ddmxg041 maxmag   0.0   0.0 ->  0.0
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| ddmxg042 maxmag  -0.0   0   ->  0
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| ddmxg043 maxmag  -0.0  -0   -> -0.0
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| ddmxg044 maxmag  -0.0  -0.0 -> -0.0
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| ddmxg045 maxmag  -0.0   0.0 ->  0.0
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| 
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| ddmxg050 maxmag  -0E1   0E1 ->  0E+1
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| ddmxg051 maxmag  -0E2   0E2 ->  0E+2
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| ddmxg052 maxmag  -0E2   0E1 ->  0E+1
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| ddmxg053 maxmag  -0E1   0E2 ->  0E+2
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| ddmxg054 maxmag   0E1  -0E1 ->  0E+1
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| ddmxg055 maxmag   0E2  -0E2 ->  0E+2
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| ddmxg056 maxmag   0E2  -0E1 ->  0E+2
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| ddmxg057 maxmag   0E1  -0E2 ->  0E+1
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| 
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| ddmxg058 maxmag   0E1   0E1 ->  0E+1
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| ddmxg059 maxmag   0E2   0E2 ->  0E+2
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| ddmxg060 maxmag   0E2   0E1 ->  0E+2
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| ddmxg061 maxmag   0E1   0E2 ->  0E+2
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| ddmxg062 maxmag  -0E1  -0E1 -> -0E+1
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| ddmxg063 maxmag  -0E2  -0E2 -> -0E+2
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| ddmxg064 maxmag  -0E2  -0E1 -> -0E+1
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| ddmxg065 maxmag  -0E1  -0E2 -> -0E+1
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| 
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| -- Specials
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| ddmxg090 maxmag  Inf  -Inf   ->  Infinity
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| ddmxg091 maxmag  Inf  -1000  ->  Infinity
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| ddmxg092 maxmag  Inf  -1     ->  Infinity
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| ddmxg093 maxmag  Inf  -0     ->  Infinity
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| ddmxg094 maxmag  Inf   0     ->  Infinity
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| ddmxg095 maxmag  Inf   1     ->  Infinity
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| ddmxg096 maxmag  Inf   1000  ->  Infinity
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| ddmxg097 maxmag  Inf   Inf   ->  Infinity
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| ddmxg098 maxmag -1000  Inf   ->  Infinity
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| ddmxg099 maxmag -Inf   Inf   ->  Infinity
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| ddmxg100 maxmag -1     Inf   ->  Infinity
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| ddmxg101 maxmag -0     Inf   ->  Infinity
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| ddmxg102 maxmag  0     Inf   ->  Infinity
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| ddmxg103 maxmag  1     Inf   ->  Infinity
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| ddmxg104 maxmag  1000  Inf   ->  Infinity
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| ddmxg105 maxmag  Inf   Inf   ->  Infinity
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| 
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| ddmxg120 maxmag -Inf  -Inf   -> -Infinity
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| ddmxg121 maxmag -Inf  -1000  -> -Infinity
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| ddmxg122 maxmag -Inf  -1     -> -Infinity
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| ddmxg123 maxmag -Inf  -0     -> -Infinity
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| ddmxg124 maxmag -Inf   0     -> -Infinity
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| ddmxg125 maxmag -Inf   1     -> -Infinity
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| ddmxg126 maxmag -Inf   1000  -> -Infinity
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| ddmxg127 maxmag -Inf   Inf   ->  Infinity
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| ddmxg128 maxmag -Inf  -Inf   ->  -Infinity
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| ddmxg129 maxmag -1000 -Inf   -> -Infinity
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| ddmxg130 maxmag -1    -Inf   -> -Infinity
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| ddmxg131 maxmag -0    -Inf   -> -Infinity
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| ddmxg132 maxmag  0    -Inf   -> -Infinity
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| ddmxg133 maxmag  1    -Inf   -> -Infinity
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| ddmxg134 maxmag  1000 -Inf   -> -Infinity
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| ddmxg135 maxmag  Inf  -Inf   ->  Infinity
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| 
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| -- 2004.08.02 754r chooses number over NaN in mixed cases
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| ddmxg141 maxmag  NaN -Inf    -> -Infinity
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| ddmxg142 maxmag  NaN -1000   -> -1000
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| ddmxg143 maxmag  NaN -1      -> -1
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| ddmxg144 maxmag  NaN -0      -> -0
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| ddmxg145 maxmag  NaN  0      ->  0
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| ddmxg146 maxmag  NaN  1      ->  1
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| ddmxg147 maxmag  NaN  1000   ->  1000
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| ddmxg148 maxmag  NaN  Inf    ->  Infinity
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| ddmxg149 maxmag  NaN  NaN    ->  NaN
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| ddmxg150 maxmag -Inf  NaN    -> -Infinity
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| ddmxg151 maxmag -1000 NaN    -> -1000
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| ddmxg152 maxmag -1    NaN    -> -1
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| ddmxg153 maxmag -0    NaN    -> -0
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| ddmxg154 maxmag  0    NaN    ->  0
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| ddmxg155 maxmag  1    NaN    ->  1
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| ddmxg156 maxmag  1000 NaN    ->  1000
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| ddmxg157 maxmag  Inf  NaN    ->  Infinity
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| 
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| ddmxg161 maxmag  sNaN -Inf   ->  NaN  Invalid_operation
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| ddmxg162 maxmag  sNaN -1000  ->  NaN  Invalid_operation
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| ddmxg163 maxmag  sNaN -1     ->  NaN  Invalid_operation
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| ddmxg164 maxmag  sNaN -0     ->  NaN  Invalid_operation
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| ddmxg165 maxmag  sNaN  0     ->  NaN  Invalid_operation
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| ddmxg166 maxmag  sNaN  1     ->  NaN  Invalid_operation
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| ddmxg167 maxmag  sNaN  1000  ->  NaN  Invalid_operation
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| ddmxg168 maxmag  sNaN  NaN   ->  NaN  Invalid_operation
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| ddmxg169 maxmag  sNaN sNaN   ->  NaN  Invalid_operation
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| ddmxg170 maxmag  NaN  sNaN   ->  NaN  Invalid_operation
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| ddmxg171 maxmag -Inf  sNaN   ->  NaN  Invalid_operation
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| ddmxg172 maxmag -1000 sNaN   ->  NaN  Invalid_operation
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| ddmxg173 maxmag -1    sNaN   ->  NaN  Invalid_operation
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| ddmxg174 maxmag -0    sNaN   ->  NaN  Invalid_operation
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| ddmxg175 maxmag  0    sNaN   ->  NaN  Invalid_operation
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| ddmxg176 maxmag  1    sNaN   ->  NaN  Invalid_operation
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| ddmxg177 maxmag  1000 sNaN   ->  NaN  Invalid_operation
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| ddmxg178 maxmag  Inf  sNaN   ->  NaN  Invalid_operation
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| ddmxg179 maxmag  NaN  sNaN   ->  NaN  Invalid_operation
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| 
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| -- propagating NaNs
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| ddmxg181 maxmag  NaN9  -Inf   -> -Infinity
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| ddmxg182 maxmag  NaN8     9   ->  9
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| ddmxg183 maxmag -NaN7   Inf   ->  Infinity
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| 
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| ddmxg184 maxmag -NaN1   NaN11 -> -NaN1
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| ddmxg185 maxmag  NaN2   NaN12 ->  NaN2
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| ddmxg186 maxmag -NaN13 -NaN7  -> -NaN13
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| ddmxg187 maxmag  NaN14 -NaN5  ->  NaN14
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| 
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| ddmxg188 maxmag -Inf    NaN4  -> -Infinity
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| ddmxg189 maxmag -9     -NaN3  -> -9
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| ddmxg190 maxmag  Inf    NaN2  ->  Infinity
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| 
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| ddmxg191 maxmag  sNaN99 -Inf    ->  NaN99 Invalid_operation
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| ddmxg192 maxmag  sNaN98 -1      ->  NaN98 Invalid_operation
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| ddmxg193 maxmag -sNaN97  NaN    -> -NaN97 Invalid_operation
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| ddmxg194 maxmag  sNaN96 sNaN94  ->  NaN96 Invalid_operation
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| ddmxg195 maxmag  NaN95  sNaN93  ->  NaN93 Invalid_operation
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| ddmxg196 maxmag -Inf    sNaN92  ->  NaN92 Invalid_operation
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| ddmxg197 maxmag  0      sNaN91  ->  NaN91 Invalid_operation
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| ddmxg198 maxmag  Inf   -sNaN90  -> -NaN90 Invalid_operation
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| ddmxg199 maxmag  NaN    sNaN89  ->  NaN89 Invalid_operation
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| 
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| -- old rounding checks
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| ddmxg221 maxmag 12345678000 1  -> 12345678000
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| ddmxg222 maxmag 1 12345678000  -> 12345678000
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| ddmxg223 maxmag 1234567800  1  -> 1234567800
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| ddmxg224 maxmag 1 1234567800   -> 1234567800
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| ddmxg225 maxmag 1234567890  1  -> 1234567890
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| ddmxg226 maxmag 1 1234567890   -> 1234567890
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| ddmxg227 maxmag 1234567891  1  -> 1234567891
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| ddmxg228 maxmag 1 1234567891   -> 1234567891
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| ddmxg229 maxmag 12345678901 1  -> 12345678901
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| ddmxg230 maxmag 1 12345678901  -> 12345678901
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| ddmxg231 maxmag 1234567896  1  -> 1234567896
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| ddmxg232 maxmag 1 1234567896   -> 1234567896
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| ddmxg233 maxmag -1234567891  1 -> -1234567891
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| ddmxg234 maxmag 1 -1234567891  -> -1234567891
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| ddmxg235 maxmag -12345678901 1 -> -12345678901
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| ddmxg236 maxmag 1 -12345678901 -> -12345678901
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| ddmxg237 maxmag -1234567896  1 -> -1234567896
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| ddmxg238 maxmag 1 -1234567896  -> -1234567896
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| 
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| -- from examples
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| ddmxg280 maxmag '3'   '2'  ->  '3'
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| ddmxg281 maxmag '-10' '3'  ->  '-10'
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| ddmxg282 maxmag '1.0' '1'  ->  '1'
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| ddmxg283 maxmag '1' '1.0'  ->  '1'
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| ddmxg284 maxmag '7' 'NaN'  ->  '7'
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| 
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| -- expanded list from min/max 754r purple prose
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| -- [explicit tests for exponent ordering]
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| ddmxg401 maxmag  Inf    1.1     ->  Infinity
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| ddmxg402 maxmag  1.1    1       ->  1.1
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| ddmxg403 maxmag  1      1.0     ->  1
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| ddmxg404 maxmag  1.0    0.1     ->  1.0
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| ddmxg405 maxmag  0.1    0.10    ->  0.1
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| ddmxg406 maxmag  0.10   0.100   ->  0.10
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| ddmxg407 maxmag  0.10   0       ->  0.10
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| ddmxg408 maxmag  0      0.0     ->  0
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| ddmxg409 maxmag  0.0   -0       ->  0.0
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| ddmxg410 maxmag  0.0   -0.0     ->  0.0
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| ddmxg411 maxmag  0.00  -0.0     ->  0.00
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| ddmxg412 maxmag  0.0   -0.00    ->  0.0
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| ddmxg413 maxmag  0     -0.0     ->  0
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| ddmxg414 maxmag  0     -0       ->  0
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| ddmxg415 maxmag -0.0   -0       -> -0.0
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| ddmxg416 maxmag -0     -0.100   -> -0.100
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| ddmxg417 maxmag -0.100 -0.10    -> -0.100
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| ddmxg418 maxmag -0.10  -0.1     -> -0.10
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| ddmxg419 maxmag -0.1   -1.0     -> -1.0
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| ddmxg420 maxmag -1.0   -1       -> -1.0
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| ddmxg421 maxmag -1     -1.1     -> -1.1
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| ddmxg423 maxmag -1.1   -Inf     -> -Infinity
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| -- same with operands reversed
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| ddmxg431 maxmag  1.1    Inf     ->  Infinity
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| ddmxg432 maxmag  1      1.1     ->  1.1
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| ddmxg433 maxmag  1.0    1       ->  1
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| ddmxg434 maxmag  0.1    1.0     ->  1.0
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| ddmxg435 maxmag  0.10   0.1     ->  0.1
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| ddmxg436 maxmag  0.100  0.10    ->  0.10
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| ddmxg437 maxmag  0      0.10    ->  0.10
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| ddmxg438 maxmag  0.0    0       ->  0
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| ddmxg439 maxmag -0      0.0     ->  0.0
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| ddmxg440 maxmag -0.0    0.0     ->  0.0
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| ddmxg441 maxmag -0.0    0.00    ->  0.00
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| ddmxg442 maxmag -0.00   0.0     ->  0.0
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| ddmxg443 maxmag -0.0    0       ->  0
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| ddmxg444 maxmag -0      0       ->  0
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| ddmxg445 maxmag -0     -0.0     -> -0.0
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| ddmxg446 maxmag -0.100 -0       -> -0.100
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| ddmxg447 maxmag -0.10  -0.100   -> -0.100
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| ddmxg448 maxmag -0.1   -0.10    -> -0.10
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| ddmxg449 maxmag -1.0   -0.1     -> -1.0
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| ddmxg450 maxmag -1     -1.0     -> -1.0
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| ddmxg451 maxmag -1.1   -1       -> -1.1
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| ddmxg453 maxmag -Inf   -1.1     -> -Infinity
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| -- largies
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| ddmxg460 maxmag  1000   1E+3    ->  1E+3
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| ddmxg461 maxmag  1E+3   1000    ->  1E+3
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| ddmxg462 maxmag  1000  -1E+3    ->  1000
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| ddmxg463 maxmag  1E+3  -1000    ->  1E+3
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| ddmxg464 maxmag -1000   1E+3    ->  1E+3
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| ddmxg465 maxmag -1E+3   1000    ->  1000
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| ddmxg466 maxmag -1000  -1E+3    -> -1000
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| ddmxg467 maxmag -1E+3  -1000    -> -1000
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| 
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| -- subnormals
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| ddmxg510 maxmag  1.00E-383       0  ->   1.00E-383
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| ddmxg511 maxmag  0.1E-383        0  ->   1E-384    Subnormal
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| ddmxg512 maxmag  0.10E-383       0  ->   1.0E-384  Subnormal
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| ddmxg513 maxmag  0.100E-383      0  ->   1.00E-384 Subnormal
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| ddmxg514 maxmag  0.01E-383       0  ->   1E-385    Subnormal
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| ddmxg515 maxmag  0.999E-383      0  ->   9.99E-384 Subnormal
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| ddmxg516 maxmag  0.099E-383      0  ->   9.9E-385  Subnormal
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| ddmxg517 maxmag  0.009E-383      0  ->   9E-386    Subnormal
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| ddmxg518 maxmag  0.001E-383      0  ->   1E-386    Subnormal
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| ddmxg519 maxmag  0.0009E-383     0  ->   9E-387    Subnormal
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| ddmxg520 maxmag  0.0001E-383     0  ->   1E-387    Subnormal
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| 
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| ddmxg530 maxmag -1.00E-383       0  ->  -1.00E-383
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| ddmxg531 maxmag -0.1E-383        0  ->  -1E-384    Subnormal
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| ddmxg532 maxmag -0.10E-383       0  ->  -1.0E-384  Subnormal
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| ddmxg533 maxmag -0.100E-383      0  ->  -1.00E-384 Subnormal
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| ddmxg534 maxmag -0.01E-383       0  ->  -1E-385    Subnormal
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| ddmxg535 maxmag -0.999E-383      0  ->  -9.99E-384 Subnormal
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| ddmxg536 maxmag -0.099E-383      0  ->  -9.9E-385  Subnormal
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| ddmxg537 maxmag -0.009E-383      0  ->  -9E-386    Subnormal
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| ddmxg538 maxmag -0.001E-383      0  ->  -1E-386    Subnormal
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| ddmxg539 maxmag -0.0009E-383     0  ->  -9E-387    Subnormal
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| ddmxg540 maxmag -0.0001E-383     0  ->  -1E-387    Subnormal
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| 
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| -- Null tests
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| ddmxg900 maxmag 10  #  -> NaN Invalid_operation
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| ddmxg901 maxmag  # 10  -> NaN Invalid_operation
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| 
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