------------------------------------------------------------------------ -- 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 SIMPAN PERUBAHAN