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			svn+ssh://pythondev@svn.python.org/python/trunk ........ r75286 | mark.dickinson | 2009-10-08 17:28:39 +0100 (Thu, 08 Oct 2009) | 2 lines Update decimal test data to the most recent set from Mike Cowlishaw. ........
		
			
				
	
	
		
			182 lines
		
	
	
	
		
			7.3 KiB
		
	
	
	
		
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			182 lines
		
	
	
	
		
			7.3 KiB
		
	
	
	
		
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| ------------------------------------------------------------------------
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| -- ddReduce.decTest -- remove trailing zeros from a decDouble         --
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| -- Copyright (c) IBM Corporation, 2003, 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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| ddred001 reduce '1'      -> '1'
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| ddred002 reduce '-1'     -> '-1'
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| ddred003 reduce '1.00'   -> '1'
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| ddred004 reduce '-1.00'  -> '-1'
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| ddred005 reduce '0'      -> '0'
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| ddred006 reduce '0.00'   -> '0'
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| ddred007 reduce '00.0'   -> '0'
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| ddred008 reduce '00.00'  -> '0'
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| ddred009 reduce '00'     -> '0'
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| ddred010 reduce '0E+1'   -> '0'
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| ddred011 reduce '0E+5'   -> '0'
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| 
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| ddred012 reduce '-2'     -> '-2'
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| ddred013 reduce '2'      -> '2'
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| ddred014 reduce '-2.00'  -> '-2'
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| ddred015 reduce '2.00'   -> '2'
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| ddred016 reduce '-0'     -> '-0'
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| ddred017 reduce '-0.00'  -> '-0'
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| ddred018 reduce '-00.0'  -> '-0'
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| ddred019 reduce '-00.00' -> '-0'
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| ddred020 reduce '-00'    -> '-0'
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| ddred021 reduce '-0E+5'   -> '-0'
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| ddred022 reduce '-0E+1'  -> '-0'
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| 
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| ddred030 reduce '+0.1'            -> '0.1'
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| ddred031 reduce '-0.1'            -> '-0.1'
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| ddred032 reduce '+0.01'           -> '0.01'
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| ddred033 reduce '-0.01'           -> '-0.01'
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| ddred034 reduce '+0.001'          -> '0.001'
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| ddred035 reduce '-0.001'          -> '-0.001'
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| ddred036 reduce '+0.000001'       -> '0.000001'
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| ddred037 reduce '-0.000001'       -> '-0.000001'
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| ddred038 reduce '+0.000000000001' -> '1E-12'
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| ddred039 reduce '-0.000000000001' -> '-1E-12'
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| 
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| ddred041 reduce 1.1        -> 1.1
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| ddred042 reduce 1.10       -> 1.1
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| ddred043 reduce 1.100      -> 1.1
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| ddred044 reduce 1.110      -> 1.11
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| ddred045 reduce -1.1       -> -1.1
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| ddred046 reduce -1.10      -> -1.1
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| ddred047 reduce -1.100     -> -1.1
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| ddred048 reduce -1.110     -> -1.11
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| ddred049 reduce 9.9        -> 9.9
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| ddred050 reduce 9.90       -> 9.9
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| ddred051 reduce 9.900      -> 9.9
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| ddred052 reduce 9.990      -> 9.99
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| ddred053 reduce -9.9       -> -9.9
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| ddred054 reduce -9.90      -> -9.9
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| ddred055 reduce -9.900     -> -9.9
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| ddred056 reduce -9.990     -> -9.99
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| 
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| -- some trailing fractional zeros with zeros in units
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| ddred060 reduce  10.0        -> 1E+1
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| ddred061 reduce  10.00       -> 1E+1
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| ddred062 reduce  100.0       -> 1E+2
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| ddred063 reduce  100.00      -> 1E+2
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| ddred064 reduce  1.1000E+3   -> 1.1E+3
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| ddred065 reduce  1.10000E+3  -> 1.1E+3
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| ddred066 reduce -10.0        -> -1E+1
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| ddred067 reduce -10.00       -> -1E+1
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| ddred068 reduce -100.0       -> -1E+2
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| ddred069 reduce -100.00      -> -1E+2
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| ddred070 reduce -1.1000E+3   -> -1.1E+3
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| ddred071 reduce -1.10000E+3  -> -1.1E+3
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| 
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| -- some insignificant trailing zeros with positive exponent
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| ddred080 reduce  10E+1       -> 1E+2
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| ddred081 reduce  100E+1      -> 1E+3
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| ddred082 reduce  1.0E+2      -> 1E+2
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| ddred083 reduce  1.0E+3      -> 1E+3
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| ddred084 reduce  1.1E+3      -> 1.1E+3
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| ddred085 reduce  1.00E+3     -> 1E+3
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| ddred086 reduce  1.10E+3     -> 1.1E+3
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| ddred087 reduce -10E+1       -> -1E+2
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| ddred088 reduce -100E+1      -> -1E+3
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| ddred089 reduce -1.0E+2      -> -1E+2
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| ddred090 reduce -1.0E+3      -> -1E+3
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| ddred091 reduce -1.1E+3      -> -1.1E+3
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| ddred092 reduce -1.00E+3     -> -1E+3
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| ddred093 reduce -1.10E+3     -> -1.1E+3
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| 
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| -- some significant trailing zeros, were we to be trimming
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| ddred100 reduce  11          -> 11
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| ddred101 reduce  10          -> 1E+1
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| ddred102 reduce  10.         -> 1E+1
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| ddred103 reduce  1.1E+1      -> 11
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| ddred104 reduce  1.0E+1      -> 1E+1
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| ddred105 reduce  1.10E+2     -> 1.1E+2
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| ddred106 reduce  1.00E+2     -> 1E+2
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| ddred107 reduce  1.100E+3    -> 1.1E+3
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| ddred108 reduce  1.000E+3    -> 1E+3
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| ddred109 reduce  1.000000E+6 -> 1E+6
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| ddred110 reduce -11          -> -11
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| ddred111 reduce -10          -> -1E+1
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| ddred112 reduce -10.         -> -1E+1
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| ddred113 reduce -1.1E+1      -> -11
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| ddred114 reduce -1.0E+1      -> -1E+1
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| ddred115 reduce -1.10E+2     -> -1.1E+2
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| ddred116 reduce -1.00E+2     -> -1E+2
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| ddred117 reduce -1.100E+3    -> -1.1E+3
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| ddred118 reduce -1.000E+3    -> -1E+3
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| ddred119 reduce -1.00000E+5  -> -1E+5
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| ddred120 reduce -1.000000E+6 -> -1E+6
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| ddred121 reduce -10.00000E+6 -> -1E+7
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| ddred122 reduce -100.0000E+6 -> -1E+8
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| ddred123 reduce -1000.000E+6 -> -1E+9
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| ddred124 reduce -10000.00E+6 -> -1E+10
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| ddred125 reduce -100000.0E+6 -> -1E+11
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| ddred126 reduce -1000000.E+6 -> -1E+12
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| 
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| -- examples from decArith
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| ddred140 reduce '2.1'     ->  '2.1'
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| ddred141 reduce '-2.0'    ->  '-2'
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| ddred142 reduce '1.200'   ->  '1.2'
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| ddred143 reduce '-120'    ->  '-1.2E+2'
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| ddred144 reduce '120.00'  ->  '1.2E+2'
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| ddred145 reduce '0.00'    ->  '0'
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| 
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| -- Nmax, Nmin, Ntiny
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| -- note origami effect on some of these
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| ddred151 reduce  9.999999999999999E+384   -> 9.999999999999999E+384
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| ddred152 reduce  9.999999000000000E+380   -> 9.99999900000E+380
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| ddred153 reduce  9.999999999990000E+384   -> 9.999999999990000E+384
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| ddred154 reduce  1E-383                   -> 1E-383
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| ddred155 reduce  1.000000000000000E-383   -> 1E-383
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| ddred156 reduce  2.000E-395               -> 2E-395   Subnormal
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| ddred157 reduce  1E-398                   -> 1E-398   Subnormal
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| 
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| ddred161 reduce  -1E-398                  -> -1E-398  Subnormal
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| ddred162 reduce  -2.000E-395              -> -2E-395  Subnormal
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| ddred163 reduce  -1.000000000000000E-383  -> -1E-383
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| ddred164 reduce  -1E-383                  -> -1E-383
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| ddred165 reduce  -9.999999000000000E+380  -> -9.99999900000E+380
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| ddred166 reduce  -9.999999999990000E+384  -> -9.999999999990000E+384
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| ddred167 reduce  -9.999999999999990E+384  -> -9.999999999999990E+384
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| ddred168 reduce  -9.999999999999999E+384  -> -9.999999999999999E+384
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| ddred169 reduce  -9.999999999999990E+384  -> -9.999999999999990E+384
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| 
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| 
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| -- specials (reduce does not affect payload)
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| ddred820 reduce 'Inf'    -> 'Infinity'
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| ddred821 reduce '-Inf'   -> '-Infinity'
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| ddred822 reduce   NaN    ->  NaN
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| ddred823 reduce  sNaN    ->  NaN    Invalid_operation
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| ddred824 reduce   NaN101 ->  NaN101
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| ddred825 reduce  sNaN010 ->  NaN10  Invalid_operation
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| ddred827 reduce  -NaN    -> -NaN
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| ddred828 reduce -sNaN    -> -NaN    Invalid_operation
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| ddred829 reduce  -NaN101 -> -NaN101
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| ddred830 reduce -sNaN010 -> -NaN10  Invalid_operation
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| 
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| -- Null test
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| ddred900 reduce  # -> NaN Invalid_operation
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