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------------------------------------------------------------------------
-- abs.decTest -- decimal absolute value --
-- 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
-- This set of tests primarily tests the existence of the operator.
-- Additon, subtraction, rounding, and more overflows are tested
-- elsewhere.
precision: 9
rounding: half_up
maxExponent: 384
minexponent: -383
extended: 1
absx001 abs '1' -> '1'
absx002 abs '-1' -> '1'
absx003 abs '1.00' -> '1.00'
absx004 abs '-1.00' -> '1.00'
absx005 abs '0' -> '0'
absx006 abs '0.00' -> '0.00'
absx007 abs '00.0' -> '0.0'
absx008 abs '00.00' -> '0.00'
absx009 abs '00' -> '0'
absx010 abs '-2' -> '2'
absx011 abs '2' -> '2'
absx012 abs '-2.00' -> '2.00'
absx013 abs '2.00' -> '2.00'
absx014 abs '-0' -> '0'
absx015 abs '-0.00' -> '0.00'
absx016 abs '-00.0' -> '0.0'
absx017 abs '-00.00' -> '0.00'
absx018 abs '-00' -> '0'
absx020 abs '-2000000' -> '2000000'
absx021 abs '2000000' -> '2000000'
precision: 7
absx022 abs '-2000000' -> '2000000'
absx023 abs '2000000' -> '2000000'
precision: 6
absx024 abs '-2000000' -> '2.00000E+6' Rounded
absx025 abs '2000000' -> '2.00000E+6' Rounded
precision: 3
absx026 abs '-2000000' -> '2.00E+6' Rounded
absx027 abs '2000000' -> '2.00E+6' Rounded
absx030 abs '+0.1' -> '0.1'
absx031 abs '-0.1' -> '0.1'
absx032 abs '+0.01' -> '0.01'
absx033 abs '-0.01' -> '0.01'
absx034 abs '+0.001' -> '0.001'
absx035 abs '-0.001' -> '0.001'
absx036 abs '+0.000001' -> '0.000001'
absx037 abs '-0.000001' -> '0.000001'
absx038 abs '+0.000000000001' -> '1E-12'
absx039 abs '-0.000000000001' -> '1E-12'
-- examples from decArith
precision: 9
absx040 abs '2.1' -> '2.1'
absx041 abs '-100' -> '100'
absx042 abs '101.5' -> '101.5'
absx043 abs '-101.5' -> '101.5'
-- more fixed, potential LHS swaps/overlays if done by subtract 0
precision: 9
absx060 abs '-56267E-10' -> '0.0000056267'
absx061 abs '-56267E-5' -> '0.56267'
absx062 abs '-56267E-2' -> '562.67'
absx063 abs '-56267E-1' -> '5626.7'
absx065 abs '-56267E-0' -> '56267'
-- overflow tests
maxexponent: 999999999
minexponent: -999999999
precision: 3
absx120 abs 9.999E+999999999 -> Infinity Inexact Overflow Rounded
-- subnormals and underflow
precision: 3
maxexponent: 999
minexponent: -999
absx210 abs 1.00E-999 -> 1.00E-999
absx211 abs 0.1E-999 -> 1E-1000 Subnormal
absx212 abs 0.10E-999 -> 1.0E-1000 Subnormal
absx213 abs 0.100E-999 -> 1.0E-1000 Subnormal Rounded
absx214 abs 0.01E-999 -> 1E-1001 Subnormal
-- next is rounded to Emin
absx215 abs 0.999E-999 -> 1.00E-999 Inexact Rounded Subnormal Underflow
absx216 abs 0.099E-999 -> 1.0E-1000 Inexact Rounded Subnormal Underflow
absx217 abs 0.009E-999 -> 1E-1001 Inexact Rounded Subnormal Underflow
absx218 abs 0.001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped
absx219 abs 0.0009E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped
absx220 abs 0.0001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped
absx230 abs -1.00E-999 -> 1.00E-999
absx231 abs -0.1E-999 -> 1E-1000 Subnormal
absx232 abs -0.10E-999 -> 1.0E-1000 Subnormal
absx233 abs -0.100E-999 -> 1.0E-1000 Subnormal Rounded
absx234 abs -0.01E-999 -> 1E-1001 Subnormal
-- next is rounded to Emin
absx235 abs -0.999E-999 -> 1.00E-999 Inexact Rounded Subnormal Underflow
absx236 abs -0.099E-999 -> 1.0E-1000 Inexact Rounded Subnormal Underflow
absx237 abs -0.009E-999 -> 1E-1001 Inexact Rounded Subnormal Underflow
absx238 abs -0.001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped
absx239 abs -0.0009E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped
absx240 abs -0.0001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped
-- long operand tests
maxexponent: 999
minexponent: -999
precision: 9
absx301 abs 12345678000 -> 1.23456780E+10 Rounded
absx302 abs 1234567800 -> 1.23456780E+9 Rounded
absx303 abs 1234567890 -> 1.23456789E+9 Rounded
absx304 abs 1234567891 -> 1.23456789E+9 Inexact Rounded
absx305 abs 12345678901 -> 1.23456789E+10 Inexact Rounded
absx306 abs 1234567896 -> 1.23456790E+9 Inexact Rounded
precision: 15
absx321 abs 12345678000 -> 12345678000
absx322 abs 1234567800 -> 1234567800
absx323 abs 1234567890 -> 1234567890
absx324 abs 1234567891 -> 1234567891
absx325 abs 12345678901 -> 12345678901
absx326 abs 1234567896 -> 1234567896
-- Specials
precision: 9
-- specials
absx520 abs 'Inf' -> 'Infinity'
absx521 abs '-Inf' -> 'Infinity'
absx522 abs NaN -> NaN
absx523 abs sNaN -> NaN Invalid_operation
absx524 abs NaN22 -> NaN22
absx525 abs sNaN33 -> NaN33 Invalid_operation
absx526 abs -NaN22 -> -NaN22
absx527 abs -sNaN33 -> -NaN33 Invalid_operation
-- Null tests
absx900 abs # -> NaN Invalid_operation