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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 --
-- [email protected] --
------------------------------------------------------------------------
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