| ------------------------------------------------------------------------ |
| -- ddReduce.decTest -- remove trailing zeros from a decDouble -- |
| -- Copyright (c) IBM Corporation, 2003, 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 |
| |
| precision: 16 |
| maxExponent: 384 |
| minExponent: -383 |
| extended: 1 |
| clamp: 1 |
| rounding: half_even |
| |
| ddred001 reduce '1' -> '1' |
| ddred002 reduce '-1' -> '-1' |
| ddred003 reduce '1.00' -> '1' |
| ddred004 reduce '-1.00' -> '-1' |
| ddred005 reduce '0' -> '0' |
| ddred006 reduce '0.00' -> '0' |
| ddred007 reduce '00.0' -> '0' |
| ddred008 reduce '00.00' -> '0' |
| ddred009 reduce '00' -> '0' |
| ddred010 reduce '0E+1' -> '0' |
| ddred011 reduce '0E+5' -> '0' |
| |
| ddred012 reduce '-2' -> '-2' |
| ddred013 reduce '2' -> '2' |
| ddred014 reduce '-2.00' -> '-2' |
| ddred015 reduce '2.00' -> '2' |
| ddred016 reduce '-0' -> '-0' |
| ddred017 reduce '-0.00' -> '-0' |
| ddred018 reduce '-00.0' -> '-0' |
| ddred019 reduce '-00.00' -> '-0' |
| ddred020 reduce '-00' -> '-0' |
| ddred021 reduce '-0E+5' -> '-0' |
| ddred022 reduce '-0E+1' -> '-0' |
| |
| ddred030 reduce '+0.1' -> '0.1' |
| ddred031 reduce '-0.1' -> '-0.1' |
| ddred032 reduce '+0.01' -> '0.01' |
| ddred033 reduce '-0.01' -> '-0.01' |
| ddred034 reduce '+0.001' -> '0.001' |
| ddred035 reduce '-0.001' -> '-0.001' |
| ddred036 reduce '+0.000001' -> '0.000001' |
| ddred037 reduce '-0.000001' -> '-0.000001' |
| ddred038 reduce '+0.000000000001' -> '1E-12' |
| ddred039 reduce '-0.000000000001' -> '-1E-12' |
| |
| ddred041 reduce 1.1 -> 1.1 |
| ddred042 reduce 1.10 -> 1.1 |
| ddred043 reduce 1.100 -> 1.1 |
| ddred044 reduce 1.110 -> 1.11 |
| ddred045 reduce -1.1 -> -1.1 |
| ddred046 reduce -1.10 -> -1.1 |
| ddred047 reduce -1.100 -> -1.1 |
| ddred048 reduce -1.110 -> -1.11 |
| ddred049 reduce 9.9 -> 9.9 |
| ddred050 reduce 9.90 -> 9.9 |
| ddred051 reduce 9.900 -> 9.9 |
| ddred052 reduce 9.990 -> 9.99 |
| ddred053 reduce -9.9 -> -9.9 |
| ddred054 reduce -9.90 -> -9.9 |
| ddred055 reduce -9.900 -> -9.9 |
| ddred056 reduce -9.990 -> -9.99 |
| |
| -- some trailing fractional zeros with zeros in units |
| ddred060 reduce 10.0 -> 1E+1 |
| ddred061 reduce 10.00 -> 1E+1 |
| ddred062 reduce 100.0 -> 1E+2 |
| ddred063 reduce 100.00 -> 1E+2 |
| ddred064 reduce 1.1000E+3 -> 1.1E+3 |
| ddred065 reduce 1.10000E+3 -> 1.1E+3 |
| ddred066 reduce -10.0 -> -1E+1 |
| ddred067 reduce -10.00 -> -1E+1 |
| ddred068 reduce -100.0 -> -1E+2 |
| ddred069 reduce -100.00 -> -1E+2 |
| ddred070 reduce -1.1000E+3 -> -1.1E+3 |
| ddred071 reduce -1.10000E+3 -> -1.1E+3 |
| |
| -- some insignificant trailing zeros with positive exponent |
| ddred080 reduce 10E+1 -> 1E+2 |
| ddred081 reduce 100E+1 -> 1E+3 |
| ddred082 reduce 1.0E+2 -> 1E+2 |
| ddred083 reduce 1.0E+3 -> 1E+3 |
| ddred084 reduce 1.1E+3 -> 1.1E+3 |
| ddred085 reduce 1.00E+3 -> 1E+3 |
| ddred086 reduce 1.10E+3 -> 1.1E+3 |
| ddred087 reduce -10E+1 -> -1E+2 |
| ddred088 reduce -100E+1 -> -1E+3 |
| ddred089 reduce -1.0E+2 -> -1E+2 |
| ddred090 reduce -1.0E+3 -> -1E+3 |
| ddred091 reduce -1.1E+3 -> -1.1E+3 |
| ddred092 reduce -1.00E+3 -> -1E+3 |
| ddred093 reduce -1.10E+3 -> -1.1E+3 |
| |
| -- some significant trailing zeros, were we to be trimming |
| ddred100 reduce 11 -> 11 |
| ddred101 reduce 10 -> 1E+1 |
| ddred102 reduce 10. -> 1E+1 |
| ddred103 reduce 1.1E+1 -> 11 |
| ddred104 reduce 1.0E+1 -> 1E+1 |
| ddred105 reduce 1.10E+2 -> 1.1E+2 |
| ddred106 reduce 1.00E+2 -> 1E+2 |
| ddred107 reduce 1.100E+3 -> 1.1E+3 |
| ddred108 reduce 1.000E+3 -> 1E+3 |
| ddred109 reduce 1.000000E+6 -> 1E+6 |
| ddred110 reduce -11 -> -11 |
| ddred111 reduce -10 -> -1E+1 |
| ddred112 reduce -10. -> -1E+1 |
| ddred113 reduce -1.1E+1 -> -11 |
| ddred114 reduce -1.0E+1 -> -1E+1 |
| ddred115 reduce -1.10E+2 -> -1.1E+2 |
| ddred116 reduce -1.00E+2 -> -1E+2 |
| ddred117 reduce -1.100E+3 -> -1.1E+3 |
| ddred118 reduce -1.000E+3 -> -1E+3 |
| ddred119 reduce -1.00000E+5 -> -1E+5 |
| ddred120 reduce -1.000000E+6 -> -1E+6 |
| ddred121 reduce -10.00000E+6 -> -1E+7 |
| ddred122 reduce -100.0000E+6 -> -1E+8 |
| ddred123 reduce -1000.000E+6 -> -1E+9 |
| ddred124 reduce -10000.00E+6 -> -1E+10 |
| ddred125 reduce -100000.0E+6 -> -1E+11 |
| ddred126 reduce -1000000.E+6 -> -1E+12 |
| |
| -- examples from decArith |
| ddred140 reduce '2.1' -> '2.1' |
| ddred141 reduce '-2.0' -> '-2' |
| ddred142 reduce '1.200' -> '1.2' |
| ddred143 reduce '-120' -> '-1.2E+2' |
| ddred144 reduce '120.00' -> '1.2E+2' |
| ddred145 reduce '0.00' -> '0' |
| |
| -- Nmax, Nmin, Ntiny |
| -- note origami effect on some of these |
| ddred151 reduce 9.999999999999999E+384 -> 9.999999999999999E+384 |
| ddred152 reduce 9.999999000000000E+380 -> 9.99999900000E+380 |
| ddred153 reduce 9.999999999990000E+384 -> 9.999999999990000E+384 |
| ddred154 reduce 1E-383 -> 1E-383 |
| ddred155 reduce 1.000000000000000E-383 -> 1E-383 |
| ddred156 reduce 2.000E-395 -> 2E-395 Subnormal |
| ddred157 reduce 1E-398 -> 1E-398 Subnormal |
| |
| ddred161 reduce -1E-398 -> -1E-398 Subnormal |
| ddred162 reduce -2.000E-395 -> -2E-395 Subnormal |
| ddred163 reduce -1.000000000000000E-383 -> -1E-383 |
| ddred164 reduce -1E-383 -> -1E-383 |
| ddred165 reduce -9.999999000000000E+380 -> -9.99999900000E+380 |
| ddred166 reduce -9.999999999990000E+384 -> -9.999999999990000E+384 |
| ddred167 reduce -9.999999999999990E+384 -> -9.999999999999990E+384 |
| ddred168 reduce -9.999999999999999E+384 -> -9.999999999999999E+384 |
| ddred169 reduce -9.999999999999990E+384 -> -9.999999999999990E+384 |
| |
| |
| -- specials (reduce does not affect payload) |
| ddred820 reduce 'Inf' -> 'Infinity' |
| ddred821 reduce '-Inf' -> '-Infinity' |
| ddred822 reduce NaN -> NaN |
| ddred823 reduce sNaN -> NaN Invalid_operation |
| ddred824 reduce NaN101 -> NaN101 |
| ddred825 reduce sNaN010 -> NaN10 Invalid_operation |
| ddred827 reduce -NaN -> -NaN |
| ddred828 reduce -sNaN -> -NaN Invalid_operation |
| ddred829 reduce -NaN101 -> -NaN101 |
| ddred830 reduce -sNaN010 -> -NaN10 Invalid_operation |
| |
| -- Null test |
| ddred900 reduce # -> NaN Invalid_operation |
