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/Lib/test/decimaltestdata/ddAbs.decTest

http://unladen-swallow.googlecode.com/
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  1------------------------------------------------------------------------
  2-- ddAbs.decTest -- decDouble absolute value, heeding sNaN            --
  3-- Copyright (c) IBM Corporation, 1981, 2008.  All rights reserved.   --
  4------------------------------------------------------------------------
  5-- Please see the document "General Decimal Arithmetic Testcases"     --
  6-- at http://www2.hursley.ibm.com/decimal for the description of      --
  7-- these testcases.                                                   --
  8--                                                                    --
  9-- These testcases are experimental ('beta' versions), and they       --
 10-- may contain errors.  They are offered on an as-is basis.  In       --
 11-- particular, achieving the same results as the tests here is not    --
 12-- a guarantee that an implementation complies with any Standard      --
 13-- or specification.  The tests are not exhaustive.                   --
 14--                                                                    --
 15-- Please send comments, suggestions, and corrections to the author:  --
 16--   Mike Cowlishaw, IBM Fellow                                       --
 17--   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 18--   mfc@uk.ibm.com                                                   --
 19------------------------------------------------------------------------
 20version: 2.58
 21
 22precision:   16
 23maxExponent: 384
 24minExponent: -383
 25extended:    1
 26clamp:       1
 27rounding:    half_even
 28
 29ddabs001 abs '1'      -> '1'
 30ddabs002 abs '-1'     -> '1'
 31ddabs003 abs '1.00'   -> '1.00'
 32ddabs004 abs '-1.00'  -> '1.00'
 33ddabs005 abs '0'      -> '0'
 34ddabs006 abs '0.00'   -> '0.00'
 35ddabs007 abs '00.0'   -> '0.0'
 36ddabs008 abs '00.00'  -> '0.00'
 37ddabs009 abs '00'     -> '0'
 38
 39ddabs010 abs '-2'     -> '2'
 40ddabs011 abs '2'      -> '2'
 41ddabs012 abs '-2.00'  -> '2.00'
 42ddabs013 abs '2.00'   -> '2.00'
 43ddabs014 abs '-0'     -> '0'
 44ddabs015 abs '-0.00'  -> '0.00'
 45ddabs016 abs '-00.0'  -> '0.0'
 46ddabs017 abs '-00.00' -> '0.00'
 47ddabs018 abs '-00'    -> '0'
 48
 49ddabs020 abs '-2000000' -> '2000000'
 50ddabs021 abs '2000000'  -> '2000000'
 51
 52ddabs030 abs '+0.1'            -> '0.1'
 53ddabs031 abs '-0.1'            -> '0.1'
 54ddabs032 abs '+0.01'           -> '0.01'
 55ddabs033 abs '-0.01'           -> '0.01'
 56ddabs034 abs '+0.001'          -> '0.001'
 57ddabs035 abs '-0.001'          -> '0.001'
 58ddabs036 abs '+0.000001'       -> '0.000001'
 59ddabs037 abs '-0.000001'       -> '0.000001'
 60ddabs038 abs '+0.000000000001' -> '1E-12'
 61ddabs039 abs '-0.000000000001' -> '1E-12'
 62
 63-- examples from decArith
 64ddabs040 abs '2.1'     ->  '2.1'
 65ddabs041 abs '-100'    ->  '100'
 66ddabs042 abs '101.5'   ->  '101.5'
 67ddabs043 abs '-101.5'  ->  '101.5'
 68
 69-- more fixed, potential LHS swaps/overlays if done by subtract 0
 70ddabs060 abs '-56267E-10'  -> '0.0000056267'
 71ddabs061 abs '-56267E-5'   -> '0.56267'
 72ddabs062 abs '-56267E-2'   -> '562.67'
 73ddabs063 abs '-56267E-1'   -> '5626.7'
 74ddabs065 abs '-56267E-0'   -> '56267'
 75
 76-- subnormals and underflow
 77
 78-- long operand tests
 79ddabs321 abs 1234567890123456  -> 1234567890123456
 80ddabs322 abs 12345678000  -> 12345678000
 81ddabs323 abs 1234567800   -> 1234567800
 82ddabs324 abs 1234567890   -> 1234567890
 83ddabs325 abs 1234567891   -> 1234567891
 84ddabs326 abs 12345678901  -> 12345678901
 85ddabs327 abs 1234567896   -> 1234567896
 86
 87-- zeros
 88ddabs111 abs          0   -> 0
 89ddabs112 abs         -0   -> 0
 90ddabs113 abs       0E+6   -> 0E+6
 91ddabs114 abs      -0E+6   -> 0E+6
 92ddabs115 abs     0.0000   -> 0.0000
 93ddabs116 abs    -0.0000   -> 0.0000
 94ddabs117 abs      0E-141  -> 0E-141
 95ddabs118 abs     -0E-141  -> 0E-141
 96
 97-- full coefficients, alternating bits
 98ddabs121 abs  2682682682682682         -> 2682682682682682
 99ddabs122 abs  -2682682682682682        -> 2682682682682682
100ddabs123 abs  1341341341341341         -> 1341341341341341
101ddabs124 abs  -1341341341341341        -> 1341341341341341
102
103-- Nmax, Nmin, Ntiny
104ddabs131 abs  9.999999999999999E+384   -> 9.999999999999999E+384
105ddabs132 abs  1E-383                   -> 1E-383
106ddabs133 abs  1.000000000000000E-383   -> 1.000000000000000E-383
107ddabs134 abs  1E-398                   -> 1E-398 Subnormal
108
109ddabs135 abs  -1E-398                  -> 1E-398 Subnormal
110ddabs136 abs  -1.000000000000000E-383  -> 1.000000000000000E-383
111ddabs137 abs  -1E-383                  -> 1E-383
112ddabs138 abs  -9.999999999999999E+384  -> 9.999999999999999E+384
113
114-- specials
115ddabs520 abs 'Inf'    -> 'Infinity'
116ddabs521 abs '-Inf'   -> 'Infinity'
117ddabs522 abs   NaN    ->  NaN
118ddabs523 abs  sNaN    ->  NaN   Invalid_operation
119ddabs524 abs   NaN22  ->  NaN22
120ddabs525 abs  sNaN33  ->  NaN33 Invalid_operation
121ddabs526 abs  -NaN22  -> -NaN22
122ddabs527 abs -sNaN33  -> -NaN33 Invalid_operation
123
124-- Null tests
125ddabs900 abs  # -> NaN Invalid_operation
126