2011-03-05 15:10:38 +01:00
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------------------------------------------------------------------------
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-- ddAbs.decTest -- decDouble absolute value, heeding sNaN --
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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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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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ddabs001 abs '1' -> '1'
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ddabs002 abs '-1' -> '1'
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ddabs003 abs '1.00' -> '1.00'
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ddabs004 abs '-1.00' -> '1.00'
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ddabs005 abs '0' -> '0'
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ddabs006 abs '0.00' -> '0.00'
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ddabs007 abs '00.0' -> '0.0'
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ddabs008 abs '00.00' -> '0.00'
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ddabs009 abs '00' -> '0'
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ddabs010 abs '-2' -> '2'
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ddabs011 abs '2' -> '2'
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ddabs012 abs '-2.00' -> '2.00'
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ddabs013 abs '2.00' -> '2.00'
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ddabs014 abs '-0' -> '0'
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ddabs015 abs '-0.00' -> '0.00'
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ddabs016 abs '-00.0' -> '0.0'
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ddabs017 abs '-00.00' -> '0.00'
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ddabs018 abs '-00' -> '0'
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ddabs020 abs '-2000000' -> '2000000'
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ddabs021 abs '2000000' -> '2000000'
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ddabs030 abs '+0.1' -> '0.1'
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ddabs031 abs '-0.1' -> '0.1'
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ddabs032 abs '+0.01' -> '0.01'
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ddabs033 abs '-0.01' -> '0.01'
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ddabs034 abs '+0.001' -> '0.001'
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ddabs035 abs '-0.001' -> '0.001'
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ddabs036 abs '+0.000001' -> '0.000001'
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ddabs037 abs '-0.000001' -> '0.000001'
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ddabs038 abs '+0.000000000001' -> '1E-12'
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ddabs039 abs '-0.000000000001' -> '1E-12'
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-- examples from decArith
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ddabs040 abs '2.1' -> '2.1'
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ddabs041 abs '-100' -> '100'
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ddabs042 abs '101.5' -> '101.5'
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ddabs043 abs '-101.5' -> '101.5'
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-- more fixed, potential LHS swaps/overlays if done by subtract 0
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ddabs060 abs '-56267E-10' -> '0.0000056267'
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ddabs061 abs '-56267E-5' -> '0.56267'
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ddabs062 abs '-56267E-2' -> '562.67'
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ddabs063 abs '-56267E-1' -> '5626.7'
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ddabs065 abs '-56267E-0' -> '56267'
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-- subnormals and underflow
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-- long operand tests
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ddabs321 abs 1234567890123456 -> 1234567890123456
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ddabs322 abs 12345678000 -> 12345678000
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ddabs323 abs 1234567800 -> 1234567800
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ddabs324 abs 1234567890 -> 1234567890
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ddabs325 abs 1234567891 -> 1234567891
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ddabs326 abs 12345678901 -> 12345678901
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ddabs327 abs 1234567896 -> 1234567896
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-- zeros
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ddabs111 abs 0 -> 0
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ddabs112 abs -0 -> 0
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ddabs113 abs 0E+6 -> 0E+6
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ddabs114 abs -0E+6 -> 0E+6
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ddabs115 abs 0.0000 -> 0.0000
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ddabs116 abs -0.0000 -> 0.0000
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ddabs117 abs 0E-141 -> 0E-141
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ddabs118 abs -0E-141 -> 0E-141
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-- full coefficients, alternating bits
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ddabs121 abs 2682682682682682 -> 2682682682682682
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ddabs122 abs -2682682682682682 -> 2682682682682682
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ddabs123 abs 1341341341341341 -> 1341341341341341
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ddabs124 abs -1341341341341341 -> 1341341341341341
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-- Nmax, Nmin, Ntiny
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ddabs131 abs 9.999999999999999E+384 -> 9.999999999999999E+384
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ddabs132 abs 1E-383 -> 1E-383
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ddabs133 abs 1.000000000000000E-383 -> 1.000000000000000E-383
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ddabs134 abs 1E-398 -> 1E-398 Subnormal
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ddabs135 abs -1E-398 -> 1E-398 Subnormal
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ddabs136 abs -1.000000000000000E-383 -> 1.000000000000000E-383
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ddabs137 abs -1E-383 -> 1E-383
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ddabs138 abs -9.999999999999999E+384 -> 9.999999999999999E+384
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-- specials
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ddabs520 abs 'Inf' -> 'Infinity'
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ddabs521 abs '-Inf' -> 'Infinity'
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ddabs522 abs NaN -> NaN
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ddabs523 abs sNaN -> NaN Invalid_operation
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ddabs524 abs NaN22 -> NaN22
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ddabs525 abs sNaN33 -> NaN33 Invalid_operation
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ddabs526 abs -NaN22 -> -NaN22
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ddabs527 abs -sNaN33 -> -NaN33 Invalid_operation
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-- Null tests
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ddabs900 abs # -> NaN Invalid_operation
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