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- ------------------------------------------------------------------------
- -- 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: 2.59
- 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
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