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			161 lines
		
	
	
	
		
			6.1 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			161 lines
		
	
	
	
		
			6.1 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
| ------------------------------------------------------------------------
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| -- abs.decTest -- decimal absolute value                              --
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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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| -- This set of tests primarily tests the existence of the operator.
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| -- Additon, subtraction, rounding, and more overflows are tested
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| -- elsewhere.
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| 
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| precision:   9
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| rounding:    half_up
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| maxExponent: 384
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| minexponent: -383
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| extended: 1
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| 
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| absx001 abs '1'      -> '1'
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| absx002 abs '-1'     -> '1'
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| absx003 abs '1.00'   -> '1.00'
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| absx004 abs '-1.00'  -> '1.00'
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| absx005 abs '0'      -> '0'
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| absx006 abs '0.00'   -> '0.00'
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| absx007 abs '00.0'   -> '0.0'
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| absx008 abs '00.00'  -> '0.00'
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| absx009 abs '00'     -> '0'
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| 
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| absx010 abs '-2'     -> '2'
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| absx011 abs '2'      -> '2'
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| absx012 abs '-2.00'  -> '2.00'
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| absx013 abs '2.00'   -> '2.00'
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| absx014 abs '-0'     -> '0'
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| absx015 abs '-0.00'  -> '0.00'
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| absx016 abs '-00.0'  -> '0.0'
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| absx017 abs '-00.00' -> '0.00'
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| absx018 abs '-00'    -> '0'
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| 
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| absx020 abs '-2000000' -> '2000000'
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| absx021 abs '2000000'  -> '2000000'
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| precision: 7
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| absx022 abs '-2000000' -> '2000000'
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| absx023 abs '2000000'  -> '2000000'
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| precision: 6
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| absx024 abs '-2000000' -> '2.00000E+6' Rounded
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| absx025 abs '2000000'  -> '2.00000E+6' Rounded
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| precision: 3
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| absx026 abs '-2000000' -> '2.00E+6' Rounded
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| absx027 abs '2000000'  -> '2.00E+6' Rounded
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| 
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| absx030 abs '+0.1'            -> '0.1'
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| absx031 abs '-0.1'            -> '0.1'
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| absx032 abs '+0.01'           -> '0.01'
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| absx033 abs '-0.01'           -> '0.01'
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| absx034 abs '+0.001'          -> '0.001'
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| absx035 abs '-0.001'          -> '0.001'
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| absx036 abs '+0.000001'       -> '0.000001'
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| absx037 abs '-0.000001'       -> '0.000001'
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| absx038 abs '+0.000000000001' -> '1E-12'
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| absx039 abs '-0.000000000001' -> '1E-12'
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| 
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| -- examples from decArith
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| precision: 9
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| absx040 abs '2.1'     ->  '2.1'
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| absx041 abs '-100'    ->  '100'
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| absx042 abs '101.5'   ->  '101.5'
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| absx043 abs '-101.5'  ->  '101.5'
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| 
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| -- more fixed, potential LHS swaps/overlays if done by subtract 0
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| precision: 9
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| absx060 abs '-56267E-10'  -> '0.0000056267'
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| absx061 abs '-56267E-5'   -> '0.56267'
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| absx062 abs '-56267E-2'   -> '562.67'
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| absx063 abs '-56267E-1'   -> '5626.7'
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| absx065 abs '-56267E-0'   -> '56267'
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| 
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| -- overflow tests
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| maxexponent: 999999999
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| minexponent: -999999999
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| precision: 3
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| absx120 abs 9.999E+999999999 -> Infinity Inexact Overflow Rounded
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| 
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| -- subnormals and underflow
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| precision: 3
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| maxexponent: 999
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| minexponent: -999
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| absx210 abs  1.00E-999        ->   1.00E-999
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| absx211 abs  0.1E-999         ->   1E-1000   Subnormal
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| absx212 abs  0.10E-999        ->   1.0E-1000 Subnormal
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| absx213 abs  0.100E-999       ->   1.0E-1000 Subnormal Rounded
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| absx214 abs  0.01E-999        ->   1E-1001   Subnormal
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| -- next is rounded to Emin
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| absx215 abs  0.999E-999       ->   1.00E-999 Inexact Rounded Subnormal Underflow
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| absx216 abs  0.099E-999       ->   1.0E-1000 Inexact Rounded Subnormal Underflow
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| absx217 abs  0.009E-999       ->   1E-1001   Inexact Rounded Subnormal Underflow
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| absx218 abs  0.001E-999       ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
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| absx219 abs  0.0009E-999      ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
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| absx220 abs  0.0001E-999      ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
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| 
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| absx230 abs -1.00E-999        ->   1.00E-999
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| absx231 abs -0.1E-999         ->   1E-1000   Subnormal
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| absx232 abs -0.10E-999        ->   1.0E-1000 Subnormal
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| absx233 abs -0.100E-999       ->   1.0E-1000 Subnormal Rounded
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| absx234 abs -0.01E-999        ->   1E-1001   Subnormal
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| -- next is rounded to Emin
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| absx235 abs -0.999E-999       ->   1.00E-999 Inexact Rounded Subnormal Underflow
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| absx236 abs -0.099E-999       ->   1.0E-1000 Inexact Rounded Subnormal Underflow
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| absx237 abs -0.009E-999       ->   1E-1001   Inexact Rounded Subnormal Underflow
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| absx238 abs -0.001E-999       ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
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| absx239 abs -0.0009E-999      ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
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| absx240 abs -0.0001E-999      ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
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| 
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| -- long operand tests
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| maxexponent: 999
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| minexponent: -999
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| precision: 9
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| absx301 abs 12345678000  -> 1.23456780E+10 Rounded
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| absx302 abs 1234567800   -> 1.23456780E+9 Rounded
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| absx303 abs 1234567890   -> 1.23456789E+9 Rounded
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| absx304 abs 1234567891   -> 1.23456789E+9 Inexact Rounded
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| absx305 abs 12345678901  -> 1.23456789E+10 Inexact Rounded
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| absx306 abs 1234567896   -> 1.23456790E+9 Inexact Rounded
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| 
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| precision: 15
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| absx321 abs 12345678000  -> 12345678000
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| absx322 abs 1234567800   -> 1234567800
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| absx323 abs 1234567890   -> 1234567890
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| absx324 abs 1234567891   -> 1234567891
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| absx325 abs 12345678901  -> 12345678901
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| absx326 abs 1234567896   -> 1234567896
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| 
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| 
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| -- Specials
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| precision:   9
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| 
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| -- specials
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| absx520 abs 'Inf'    -> 'Infinity'
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| absx521 abs '-Inf'   -> 'Infinity'
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| absx522 abs   NaN    ->  NaN
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| absx523 abs  sNaN    ->  NaN   Invalid_operation
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| absx524 abs   NaN22  ->  NaN22
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| absx525 abs  sNaN33  ->  NaN33 Invalid_operation
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| absx526 abs  -NaN22  -> -NaN22
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| absx527 abs -sNaN33  -> -NaN33 Invalid_operation
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| 
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| -- Null tests
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| absx900 abs  # -> NaN Invalid_operation
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| 
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