------------------------------------------------------------------------
-- dqAbs.decTest -- decQuad 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
extended: 1
clamp: 1
precision: 34
maxExponent: 6144
minExponent: -6143
rounding: half_even
dqabs001 abs '1' -> '1'
dqabs002 abs '-1' -> '1'
dqabs003 abs '1.00' -> '1.00'
dqabs004 abs '-1.00' -> '1.00'
dqabs005 abs '0' -> '0'
dqabs006 abs '0.00' -> '0.00'
dqabs007 abs '00.0' -> '0.0'
dqabs008 abs '00.00' -> '0.00'
dqabs009 abs '00' -> '0'
dqabs010 abs '-2' -> '2'
dqabs011 abs '2' -> '2'
dqabs012 abs '-2.00' -> '2.00'
dqabs013 abs '2.00' -> '2.00'
dqabs014 abs '-0' -> '0'
dqabs015 abs '-0.00' -> '0.00'
dqabs016 abs '-00.0' -> '0.0'
dqabs017 abs '-00.00' -> '0.00'
dqabs018 abs '-00' -> '0'
dqabs020 abs '-2000000' -> '2000000'
dqabs021 abs '2000000' -> '2000000'
dqabs030 abs '+0.1' -> '0.1'
dqabs031 abs '-0.1' -> '0.1'
dqabs032 abs '+0.01' -> '0.01'
dqabs033 abs '-0.01' -> '0.01'
dqabs034 abs '+0.001' -> '0.001'
dqabs035 abs '-0.001' -> '0.001'
dqabs036 abs '+0.000001' -> '0.000001'
dqabs037 abs '-0.000001' -> '0.000001'
dqabs038 abs '+0.000000000001' -> '1E-12'
dqabs039 abs '-0.000000000001' -> '1E-12'
-- examples from decArith
dqabs040 abs '2.1' -> '2.1'
dqabs041 abs '-100' -> '100'
dqabs042 abs '101.5' -> '101.5'
dqabs043 abs '-101.5' -> '101.5'
-- more fixed, potential LHS swaps/overlays if done by subtract 0
dqabs060 abs '-56267E-10' -> '0.0000056267'
dqabs061 abs '-56267E-5' -> '0.56267'
dqabs062 abs '-56267E-2' -> '562.67'
dqabs063 abs '-56267E-1' -> '5626.7'
dqabs065 abs '-56267E-0' -> '56267'
-- subnormals and underflow
-- long operand tests
dqabs321 abs 1234567890123456 -> 1234567890123456
dqabs322 abs 12345678000 -> 12345678000
dqabs323 abs 1234567800 -> 1234567800
dqabs324 abs 1234567890 -> 1234567890
dqabs325 abs 1234567891 -> 1234567891
dqabs326 abs 12345678901 -> 12345678901
dqabs327 abs 1234567896 -> 1234567896
-- zeros
dqabs111 abs 0 -> 0
dqabs112 abs -0 -> 0
dqabs113 abs 0E+6 -> 0E+6
dqabs114 abs -0E+6 -> 0E+6
dqabs115 abs 0.0000 -> 0.0000
dqabs116 abs -0.0000 -> 0.0000
dqabs117 abs 0E-141 -> 0E-141
dqabs118 abs -0E-141 -> 0E-141
-- full coefficients, alternating bits
dqabs121 abs 2682682682682682682682682682682682 -> 2682682682682682682682682682682682
dqabs122 abs -2682682682682682682682682682682682 -> 2682682682682682682682682682682682
dqabs123 abs 1341341341341341341341341341341341 -> 1341341341341341341341341341341341
dqabs124 abs -1341341341341341341341341341341341 -> 1341341341341341341341341341341341
-- Nmax, Nmin, Ntiny
dqabs131 abs 9.999999999999999999999999999999999E+6144 -> 9.999999999999999999999999999999999E+6144
dqabs132 abs 1E-6143 -> 1E-6143
dqabs133 abs 1.000000000000000000000000000000000E-6143 -> 1.000000000000000000000000000000000E-6143
dqabs134 abs 1E-6176 -> 1E-6176 Subnormal
dqabs135 abs -1E-6176 -> 1E-6176 Subnormal
dqabs136 abs -1.000000000000000000000000000000000E-6143 -> 1.000000000000000000000000000000000E-6143
dqabs137 abs -1E-6143 -> 1E-6143
dqabs138 abs -9.999999999999999999999999999999999E+6144 -> 9.999999999999999999999999999999999E+6144
-- specials
dqabs520 abs 'Inf' -> 'Infinity'
dqabs521 abs '-Inf' -> 'Infinity'
dqabs522 abs NaN -> NaN
dqabs523 abs sNaN -> NaN Invalid_operation
dqabs524 abs NaN22 -> NaN22
dqabs525 abs sNaN33 -> NaN33 Invalid_operation
dqabs526 abs -NaN22 -> -NaN22
dqabs527 abs -sNaN33 -> -NaN33 Invalid_operation
-- Null tests
dqabs900 abs # -> NaN Invalid_operation
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