------------------------------------------------------------------------

-- 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: 2.58

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