------------------------------------------------------------------------

-- ddAbs.decTest -- decDouble absolute value, heeding sNaN            --

-- 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: 2.58



precision:   16

maxExponent: 384

minExponent: -383

extended:    1

clamp:       1

rounding:    half_even



ddabs001 abs '1'      -> '1'

ddabs002 abs '-1'     -> '1'

ddabs003 abs '1.00'   -> '1.00'

ddabs004 abs '-1.00'  -> '1.00'

ddabs005 abs '0'      -> '0'

ddabs006 abs '0.00'   -> '0.00'

ddabs007 abs '00.0'   -> '0.0'

ddabs008 abs '00.00'  -> '0.00'

ddabs009 abs '00'     -> '0'



ddabs010 abs '-2'     -> '2'

ddabs011 abs '2'      -> '2'

ddabs012 abs '-2.00'  -> '2.00'

ddabs013 abs '2.00'   -> '2.00'

ddabs014 abs '-0'     -> '0'

ddabs015 abs '-0.00'  -> '0.00'

ddabs016 abs '-00.0'  -> '0.0'

ddabs017 abs '-00.00' -> '0.00'

ddabs018 abs '-00'    -> '0'



ddabs020 abs '-2000000' -> '2000000'

ddabs021 abs '2000000'  -> '2000000'



ddabs030 abs '+0.1'            -> '0.1'

ddabs031 abs '-0.1'            -> '0.1'

ddabs032 abs '+0.01'           -> '0.01'

ddabs033 abs '-0.01'           -> '0.01'

ddabs034 abs '+0.001'          -> '0.001'

ddabs035 abs '-0.001'          -> '0.001'

ddabs036 abs '+0.000001'       -> '0.000001'

ddabs037 abs '-0.000001'       -> '0.000001'

ddabs038 abs '+0.000000000001' -> '1E-12'

ddabs039 abs '-0.000000000001' -> '1E-12'



-- examples from decArith

ddabs040 abs '2.1'     ->  '2.1'

ddabs041 abs '-100'    ->  '100'

ddabs042 abs '101.5'   ->  '101.5'

ddabs043 abs '-101.5'  ->  '101.5'



-- more fixed, potential LHS swaps/overlays if done by subtract 0

ddabs060 abs '-56267E-10'  -> '0.0000056267'

ddabs061 abs '-56267E-5'   -> '0.56267'

ddabs062 abs '-56267E-2'   -> '562.67'

ddabs063 abs '-56267E-1'   -> '5626.7'

ddabs065 abs '-56267E-0'   -> '56267'



-- subnormals and underflow



-- long operand tests

ddabs321 abs 1234567890123456  -> 1234567890123456

ddabs322 abs 12345678000  -> 12345678000

ddabs323 abs 1234567800   -> 1234567800

ddabs324 abs 1234567890   -> 1234567890

ddabs325 abs 1234567891   -> 1234567891

ddabs326 abs 12345678901  -> 12345678901

ddabs327 abs 1234567896   -> 1234567896



-- zeros

ddabs111 abs          0   -> 0

ddabs112 abs         -0   -> 0

ddabs113 abs       0E+6   -> 0E+6

ddabs114 abs      -0E+6   -> 0E+6

ddabs115 abs     0.0000   -> 0.0000

ddabs116 abs    -0.0000   -> 0.0000

ddabs117 abs      0E-141  -> 0E-141

ddabs118 abs     -0E-141  -> 0E-141



-- full coefficients, alternating bits

ddabs121 abs  2682682682682682         -> 2682682682682682

ddabs122 abs  -2682682682682682        -> 2682682682682682

ddabs123 abs  1341341341341341         -> 1341341341341341

ddabs124 abs  -1341341341341341        -> 1341341341341341



-- Nmax, Nmin, Ntiny

ddabs131 abs  9.999999999999999E+384   -> 9.999999999999999E+384

ddabs132 abs  1E-383                   -> 1E-383

ddabs133 abs  1.000000000000000E-383   -> 1.000000000000000E-383

ddabs134 abs  1E-398                   -> 1E-398 Subnormal



ddabs135 abs  -1E-398                  -> 1E-398 Subnormal

ddabs136 abs  -1.000000000000000E-383  -> 1.000000000000000E-383

ddabs137 abs  -1E-383                  -> 1E-383

ddabs138 abs  -9.999999999999999E+384  -> 9.999999999999999E+384



-- specials

ddabs520 abs 'Inf'    -> 'Infinity'

ddabs521 abs '-Inf'   -> 'Infinity'

ddabs522 abs   NaN    ->  NaN

ddabs523 abs  sNaN    ->  NaN   Invalid_operation

ddabs524 abs   NaN22  ->  NaN22

ddabs525 abs  sNaN33  ->  NaN33 Invalid_operation

ddabs526 abs  -NaN22  -> -NaN22

ddabs527 abs -sNaN33  -> -NaN33 Invalid_operation



-- Null tests

ddabs900 abs  # -> NaN Invalid_operation



