divideint.dectest

eda is an estimation of distributions algorithm

------------------------------------------------------------------------
-- divideint.decTest -- decimal integer division                      --
-- Copyright (c) IBM Corporation, 1981, 2002.  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         --
--   [e-mail]                                                   --
------------------------------------------------------------------------
version: 2.15

extended:    1
precision:   9
rounding:    half_up
maxExponent: 999

dvix001 divideint  1     1    ->  1
dvix002 divideint  2     1    ->  2
dvix003 divideint  1     2    ->  0
dvix004 divideint  2     2    ->  1
dvix005 divideint  0     1    ->  0
dvix006 divideint  0     2    ->  0
dvix007 divideint  1     3    ->  0
dvix008 divideint  2     3    ->  0
dvix009 divideint  3     3    ->  1

dvix010 divideint  2.4   1    ->  2
dvix011 divideint  2.4   -1   ->  -2
dvix012 divideint  -2.4  1    ->  -2
dvix013 divideint  -2.4  -1   ->  2
dvix014 divideint  2.40  1    ->  2
dvix015 divideint  2.400 1    ->  2
dvix016 divideint  2.4   2    ->  1
dvix017 divideint  2.400 2    ->  1
dvix018 divideint  2.    2    ->  1
dvix019 divideint  20    20   ->  1

dvix020 divideint  187   187  ->  1
dvix021 divideint  5     2    ->  2
dvix022 divideint  5     2.0    ->  2
dvix023 divideint  5     2.000  ->  2
dvix024 divideint  5     0.200  ->  25
dvix025 divideint  5     0.200  ->  25

dvix030 divideint  1     2      ->  0
dvix031 divideint  1     4      ->  0
dvix032 divideint  1     8      ->  0
dvix033 divideint  1     16     ->  0
dvix034 divideint  1     32     ->  0
dvix035 divideint  1     64     ->  0
dvix040 divideint  1    -2      -> -0
dvix041 divideint  1    -4      -> -0
dvix042 divideint  1    -8      -> -0
dvix043 divideint  1    -16     -> -0
dvix044 divideint  1    -32     -> -0
dvix045 divideint  1    -64     -> -0
dvix050 divideint -1     2      -> -0
dvix051 divideint -1     4      -> -0
dvix052 divideint -1     8      -> -0
dvix053 divideint -1     16     -> -0
dvix054 divideint -1     32     -> -0
dvix055 divideint -1     64     -> -0
dvix060 divideint -1    -2      ->  0
dvix061 divideint -1    -4      ->  0
dvix062 divideint -1    -8      ->  0
dvix063 divideint -1    -16     ->  0
dvix064 divideint -1    -32     ->  0
dvix065 divideint -1    -64     ->  0

-- similar with powers of ten
dvix160 divideint  1     1         ->  1
dvix161 divideint  1     10        ->  0
dvix162 divideint  1     100       ->  0
dvix163 divideint  1     1000      ->  0
dvix164 divideint  1     10000     ->  0
dvix165 divideint  1     100000    ->  0
dvix166 divideint  1     1000000   ->  0
dvix167 divideint  1     10000000  ->  0
dvix168 divideint  1     100000000 ->  0
dvix170 divideint  1    -1         -> -1
dvix171 divideint  1    -10        -> -0
dvix172 divideint  1    -100       -> -0
dvix173 divideint  1    -1000      -> -0
dvix174 divideint  1    -10000     -> -0
dvix175 divideint  1    -100000    -> -0
dvix176 divideint  1    -1000000   -> -0
dvix177 divideint  1    -10000000  -> -0
dvix178 divideint  1    -100000000 -> -0
dvix180 divideint -1     1         -> -1
dvix181 divideint -1     10        -> -0
dvix182 divideint -1     100       -> -0
dvix183 divideint -1     1000      -> -0
dvix184 divideint -1     10000     -> -0
dvix185 divideint -1     100000    -> -0
dvix186 divideint -1     1000000   -> -0
dvix187 divideint -1     10000000  -> -0
dvix188 divideint -1     100000000 -> -0
dvix190 divideint -1    -1         ->  1
dvix191 divideint -1    -10        ->  0
dvix192 divideint -1    -100       ->  0
dvix193 divideint -1    -1000      ->  0
dvix194 divideint -1    -10000     ->  0
dvix195 divideint -1    -100000    ->  0
dvix196 divideint -1    -1000000   ->  0
dvix197 divideint -1    -10000000  ->  0
dvix198 divideint -1    -100000000 ->  0

-- some long operand cases here
dvix070 divideint  999999999     1  ->  999999999
dvix071 divideint  999999999.4   1  ->  999999999
dvix072 divideint  999999999.5   1  ->  999999999
dvix073 divideint  999999999.9   1  ->  999999999
dvix074 divideint  999999999.999 1  ->  999999999
precision: 6
dvix080 divideint  999999999     1  ->  NaN Division_impossible
dvix081 divideint  99999999      1  ->  NaN Division_impossible
dvix082 divideint  9999999       1  ->  NaN Division_impossible
dvix083 divideint  999999        1  ->  999999
dvix084 divideint  99999         1  ->  99999
dvix085 divideint  9999          1  ->  9999
dvix086 divideint  999           1  ->  999
dvix087 divideint  99            1  ->  99
dvix088 divideint  9             1  ->  9

precision: 9
dvix090 divideint  0.            1    ->  0
dvix091 divideint  .0            1    ->  0
dvix092 divideint  0.00          1    ->  0
dvix093 divideint  0.00E+9       1    ->  0
dvix094 divideint  0.0000E-50    1    ->  0

dvix100 divideint  1  1   -> 1
dvix101 divideint  1  2   -> 0
dvix102 divideint  1  3   -> 0
dvix103 divideint  1  4   -> 0
dvix104 divideint  1  5   -> 0
dvix105 divideint  1  6   -> 0
dvix106 divideint  1  7   -> 0
dvix107 divideint  1  8   -> 0
dvix108 divideint  1  9   -> 0
dvix109 divideint  1  10  -> 0
dvix110 divideint  1  1   -> 1
dvix111 divideint  2  1   -> 2
dvix112 divideint  3  1   -> 3
dvix113 divideint  4  1   -> 4
dvix114 divideint  5  1   -> 5
dvix115 divideint  6  1   -> 6
dvix116 divideint  7  1   -> 7
dvix117 divideint  8  1   -> 8
dvix118 divideint  9  1   -> 9
dvix119 divideint  10 1   -> 10

-- from DiagBigDecimal
dvix131 divideint  101.3   1     ->  101
dvix132 divideint  101.0   1     ->  101
dvix133 divideint  101.3   3     ->  33
dvix134 divideint  101.0   3     ->  33
dvix135 divideint  2.4     1     ->  2
dvix136 divideint  2.400   1     ->  2
dvix137 divideint  18      18    ->  1
dvix138 divideint  1120    1000  ->  1
dvix139 divideint  2.4     2     ->  1
dvix140 divideint  2.400   2     ->  1
dvix141 divideint  0.5     2.000 ->  0
dvix142 divideint  8.005   7     ->  1
dvix143 divideint  5       2     ->  2
dvix144 divideint  0       2     ->  0
dvix145 divideint  0.00    2     ->  0

-- Others
dvix150 divideint  12345  4.999  ->  2469
dvix151 divideint  12345  4.99   ->  2473
dvix152 divideint  12345  4.9    ->  2519
dvix153 divideint  12345  5      ->  2469
dvix154 divideint  12345  5.1    ->  2420
dvix155 divideint  12345  5.01   ->  2464
dvix156 divideint  12345  5.001  ->  2468
dvix157 divideint    101  7.6    ->  13

-- Various flavours of divideint by 0
maxexponent: 999999999
dvix201 divideint  0      0   -> NaN Division_undefined
dvix202 divideint  0.0E5  0   -> NaN Division_undefined
dvix203 divideint  0.000  0   -> NaN Division_undefined
dvix204 divideint  0.0001 0   -> Infinity Division_by_zero
dvix205 divideint  0.01   0   -> Infinity Division_by_zero
dvix206 divideint  0.1    0   -> Infinity Division_by_zero
dvix207 divideint  1      0   -> Infinity Division_by_zero
dvix208 divideint  1      0.0 -> Infinity Division_by_zero
dvix209 divideint 10      0.0 -> Infinity Division_by_zero
dvix210 divideint 1E+100  0.0 -> Infinity Division_by_zero
dvix211 divideint 1E+1000 0   -> Infinity Division_by_zero
dvix214 divideint  -0.0001 0   -> -Infinity Division_by_zero
dvix215 divideint  -0.01   0   -> -Infinity Division_by_zero
dvix216 divideint  -0.1    0   -> -Infinity Division_by_zero
dvix217 divideint  -1      0   -> -Infinity Division_by_zero
dvix218 divideint  -1      0.0 -> -Infinity Division_by_zero
dvix219 divideint -10      0.0 -> -Infinity Division_by_zero
dvix220 divideint -1E+100  0.0 -> -Infinity Division_by_zero
dvix221 divideint -1E+1000 0   -> -Infinity Division_by_zero

-- test some cases that are close to exponent overflow
maxexponent: 999999999
dvix270 divideint 1 1e999999999    -> 0
dvix271 divideint 1 0.9e999999999  -> 0
dvix272 divideint 1 0.99e999999999 -> 0
dvix273 divideint 1 0.999999999e999999999 -> 0
dvix274 divideint 9e999999999    1       -> NaN Division_impossible
dvix275 divideint 9.9e999999999  1       -> NaN Division_impossible
dvix276 divideint 9.99e999999999 1       -> NaN Division_impossible
dvix277 divideint 9.99999999e999999999 1 -> NaN Division_impossible