------------------------------------------------------------------------ -- 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 -- -- mfc@uk.ibm.com -- ------------------------------------------------------------------------ version: 2.59 -- This set of tests primarily tests the existence of the operator. -- Addition, 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 SIMPAN PERUBAHAN