1------------------------------------------------------------------------ 2-- abs.decTest -- decimal absolute value -- 3-- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. -- 4------------------------------------------------------------------------ 5-- Please see the document "General Decimal Arithmetic Testcases" -- 6-- at http://www2.hursley.ibm.com/decimal for the description of -- 7-- these testcases. -- 8-- -- 9-- These testcases are experimental ('beta' versions), and they -- 10-- may contain errors. They are offered on an as-is basis. In -- 11-- particular, achieving the same results as the tests here is not -- 12-- a guarantee that an implementation complies with any Standard -- 13-- or specification. The tests are not exhaustive. -- 14-- -- 15-- Please send comments, suggestions, and corrections to the author: -- 16-- Mike Cowlishaw, IBM Fellow -- 17-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK -- 18-- mfc@uk.ibm.com -- 19------------------------------------------------------------------------ 20version: 2.59 21 22-- This set of tests primarily tests the existence of the operator. 23-- Additon, subtraction, rounding, and more overflows are tested 24-- elsewhere. 25 26precision: 9 27rounding: half_up 28maxExponent: 384 29minexponent: -383 30extended: 1 31 32absx001 abs '1' -> '1' 33absx002 abs '-1' -> '1' 34absx003 abs '1.00' -> '1.00' 35absx004 abs '-1.00' -> '1.00' 36absx005 abs '0' -> '0' 37absx006 abs '0.00' -> '0.00' 38absx007 abs '00.0' -> '0.0' 39absx008 abs '00.00' -> '0.00' 40absx009 abs '00' -> '0' 41 42absx010 abs '-2' -> '2' 43absx011 abs '2' -> '2' 44absx012 abs '-2.00' -> '2.00' 45absx013 abs '2.00' -> '2.00' 46absx014 abs '-0' -> '0' 47absx015 abs '-0.00' -> '0.00' 48absx016 abs '-00.0' -> '0.0' 49absx017 abs '-00.00' -> '0.00' 50absx018 abs '-00' -> '0' 51 52absx020 abs '-2000000' -> '2000000' 53absx021 abs '2000000' -> '2000000' 54precision: 7 55absx022 abs '-2000000' -> '2000000' 56absx023 abs '2000000' -> '2000000' 57precision: 6 58absx024 abs '-2000000' -> '2.00000E+6' Rounded 59absx025 abs '2000000' -> '2.00000E+6' Rounded 60precision: 3 61absx026 abs '-2000000' -> '2.00E+6' Rounded 62absx027 abs '2000000' -> '2.00E+6' Rounded 63 64absx030 abs '+0.1' -> '0.1' 65absx031 abs '-0.1' -> '0.1' 66absx032 abs '+0.01' -> '0.01' 67absx033 abs '-0.01' -> '0.01' 68absx034 abs '+0.001' -> '0.001' 69absx035 abs '-0.001' -> '0.001' 70absx036 abs '+0.000001' -> '0.000001' 71absx037 abs '-0.000001' -> '0.000001' 72absx038 abs '+0.000000000001' -> '1E-12' 73absx039 abs '-0.000000000001' -> '1E-12' 74 75-- examples from decArith 76precision: 9 77absx040 abs '2.1' -> '2.1' 78absx041 abs '-100' -> '100' 79absx042 abs '101.5' -> '101.5' 80absx043 abs '-101.5' -> '101.5' 81 82-- more fixed, potential LHS swaps/overlays if done by subtract 0 83precision: 9 84absx060 abs '-56267E-10' -> '0.0000056267' 85absx061 abs '-56267E-5' -> '0.56267' 86absx062 abs '-56267E-2' -> '562.67' 87absx063 abs '-56267E-1' -> '5626.7' 88absx065 abs '-56267E-0' -> '56267' 89 90-- overflow tests 91maxexponent: 999999999 92minexponent: -999999999 93precision: 3 94absx120 abs 9.999E+999999999 -> Infinity Inexact Overflow Rounded 95 96-- subnormals and underflow 97precision: 3 98maxexponent: 999 99minexponent: -999 100absx210 abs 1.00E-999 -> 1.00E-999 101absx211 abs 0.1E-999 -> 1E-1000 Subnormal 102absx212 abs 0.10E-999 -> 1.0E-1000 Subnormal 103absx213 abs 0.100E-999 -> 1.0E-1000 Subnormal Rounded 104absx214 abs 0.01E-999 -> 1E-1001 Subnormal 105-- next is rounded to Emin 106absx215 abs 0.999E-999 -> 1.00E-999 Inexact Rounded Subnormal Underflow 107absx216 abs 0.099E-999 -> 1.0E-1000 Inexact Rounded Subnormal Underflow 108absx217 abs 0.009E-999 -> 1E-1001 Inexact Rounded Subnormal Underflow 109absx218 abs 0.001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped 110absx219 abs 0.0009E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped 111absx220 abs 0.0001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped 112 113absx230 abs -1.00E-999 -> 1.00E-999 114absx231 abs -0.1E-999 -> 1E-1000 Subnormal 115absx232 abs -0.10E-999 -> 1.0E-1000 Subnormal 116absx233 abs -0.100E-999 -> 1.0E-1000 Subnormal Rounded 117absx234 abs -0.01E-999 -> 1E-1001 Subnormal 118-- next is rounded to Emin 119absx235 abs -0.999E-999 -> 1.00E-999 Inexact Rounded Subnormal Underflow 120absx236 abs -0.099E-999 -> 1.0E-1000 Inexact Rounded Subnormal Underflow 121absx237 abs -0.009E-999 -> 1E-1001 Inexact Rounded Subnormal Underflow 122absx238 abs -0.001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped 123absx239 abs -0.0009E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped 124absx240 abs -0.0001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped 125 126-- long operand tests 127maxexponent: 999 128minexponent: -999 129precision: 9 130absx301 abs 12345678000 -> 1.23456780E+10 Rounded 131absx302 abs 1234567800 -> 1.23456780E+9 Rounded 132absx303 abs 1234567890 -> 1.23456789E+9 Rounded 133absx304 abs 1234567891 -> 1.23456789E+9 Inexact Rounded 134absx305 abs 12345678901 -> 1.23456789E+10 Inexact Rounded 135absx306 abs 1234567896 -> 1.23456790E+9 Inexact Rounded 136 137precision: 15 138absx321 abs 12345678000 -> 12345678000 139absx322 abs 1234567800 -> 1234567800 140absx323 abs 1234567890 -> 1234567890 141absx324 abs 1234567891 -> 1234567891 142absx325 abs 12345678901 -> 12345678901 143absx326 abs 1234567896 -> 1234567896 144 145 146-- Specials 147precision: 9 148 149-- specials 150absx520 abs 'Inf' -> 'Infinity' 151absx521 abs '-Inf' -> 'Infinity' 152absx522 abs NaN -> NaN 153absx523 abs sNaN -> NaN Invalid_operation 154absx524 abs NaN22 -> NaN22 155absx525 abs sNaN33 -> NaN33 Invalid_operation 156absx526 abs -NaN22 -> -NaN22 157absx527 abs -sNaN33 -> -NaN33 Invalid_operation 158 159-- Null tests 160absx900 abs # -> NaN Invalid_operation 161 162