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      1 ------------------------------------------------------------------------
      2 -- ddDivideInt.decTest -- decDouble integer division                  --
      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 (a] uk.ibm.com                                                   --
     19 ------------------------------------------------------------------------
     20 version: 2.59
     21 
     22 precision:   16
     23 maxExponent: 384
     24 minExponent: -383
     25 extended:    1
     26 clamp:       1
     27 rounding:    half_even
     28 
     29 dddvi001 divideint  1     1    ->  1
     30 dddvi002 divideint  2     1    ->  2
     31 dddvi003 divideint  1     2    ->  0
     32 dddvi004 divideint  2     2    ->  1
     33 dddvi005 divideint  0     1    ->  0
     34 dddvi006 divideint  0     2    ->  0
     35 dddvi007 divideint  1     3    ->  0
     36 dddvi008 divideint  2     3    ->  0
     37 dddvi009 divideint  3     3    ->  1
     38 
     39 dddvi010 divideint  2.4   1    ->  2
     40 dddvi011 divideint  2.4   -1   ->  -2
     41 dddvi012 divideint  -2.4  1    ->  -2
     42 dddvi013 divideint  -2.4  -1   ->  2
     43 dddvi014 divideint  2.40  1    ->  2
     44 dddvi015 divideint  2.400 1    ->  2
     45 dddvi016 divideint  2.4   2    ->  1
     46 dddvi017 divideint  2.400 2    ->  1
     47 dddvi018 divideint  2.    2    ->  1
     48 dddvi019 divideint  20    20   ->  1
     49 
     50 dddvi020 divideint  187   187  ->  1
     51 dddvi021 divideint  5     2    ->  2
     52 dddvi022 divideint  5     2.0    ->  2
     53 dddvi023 divideint  5     2.000  ->  2
     54 dddvi024 divideint  5     0.200  ->  25
     55 dddvi025 divideint  5     0.200  ->  25
     56 
     57 dddvi030 divideint  1     2      ->  0
     58 dddvi031 divideint  1     4      ->  0
     59 dddvi032 divideint  1     8      ->  0
     60 dddvi033 divideint  1     16     ->  0
     61 dddvi034 divideint  1     32     ->  0
     62 dddvi035 divideint  1     64     ->  0
     63 dddvi040 divideint  1    -2      -> -0
     64 dddvi041 divideint  1    -4      -> -0
     65 dddvi042 divideint  1    -8      -> -0
     66 dddvi043 divideint  1    -16     -> -0
     67 dddvi044 divideint  1    -32     -> -0
     68 dddvi045 divideint  1    -64     -> -0
     69 dddvi050 divideint -1     2      -> -0
     70 dddvi051 divideint -1     4      -> -0
     71 dddvi052 divideint -1     8      -> -0
     72 dddvi053 divideint -1     16     -> -0
     73 dddvi054 divideint -1     32     -> -0
     74 dddvi055 divideint -1     64     -> -0
     75 dddvi060 divideint -1    -2      ->  0
     76 dddvi061 divideint -1    -4      ->  0
     77 dddvi062 divideint -1    -8      ->  0
     78 dddvi063 divideint -1    -16     ->  0
     79 dddvi064 divideint -1    -32     ->  0
     80 dddvi065 divideint -1    -64     ->  0
     81 
     82 -- similar with powers of ten
     83 dddvi160 divideint  1     1         ->  1
     84 dddvi161 divideint  1     10        ->  0
     85 dddvi162 divideint  1     100       ->  0
     86 dddvi163 divideint  1     1000      ->  0
     87 dddvi164 divideint  1     10000     ->  0
     88 dddvi165 divideint  1     100000    ->  0
     89 dddvi166 divideint  1     1000000   ->  0
     90 dddvi167 divideint  1     10000000  ->  0
     91 dddvi168 divideint  1     100000000 ->  0
     92 dddvi170 divideint  1    -1         -> -1
     93 dddvi171 divideint  1    -10        -> -0
     94 dddvi172 divideint  1    -100       -> -0
     95 dddvi173 divideint  1    -1000      -> -0
     96 dddvi174 divideint  1    -10000     -> -0
     97 dddvi175 divideint  1    -100000    -> -0
     98 dddvi176 divideint  1    -1000000   -> -0
     99 dddvi177 divideint  1    -10000000  -> -0
    100 dddvi178 divideint  1    -100000000 -> -0
    101 dddvi180 divideint -1     1         -> -1
    102 dddvi181 divideint -1     10        -> -0
    103 dddvi182 divideint -1     100       -> -0
    104 dddvi183 divideint -1     1000      -> -0
    105 dddvi184 divideint -1     10000     -> -0
    106 dddvi185 divideint -1     100000    -> -0
    107 dddvi186 divideint -1     1000000   -> -0
    108 dddvi187 divideint -1     10000000  -> -0
    109 dddvi188 divideint -1     100000000 -> -0
    110 dddvi190 divideint -1    -1         ->  1
    111 dddvi191 divideint -1    -10        ->  0
    112 dddvi192 divideint -1    -100       ->  0
    113 dddvi193 divideint -1    -1000      ->  0
    114 dddvi194 divideint -1    -10000     ->  0
    115 dddvi195 divideint -1    -100000    ->  0
    116 dddvi196 divideint -1    -1000000   ->  0
    117 dddvi197 divideint -1    -10000000  ->  0
    118 dddvi198 divideint -1    -100000000 ->  0
    119 
    120 -- some long operand (at p=9) cases
    121 dddvi070 divideint  999999999     1  ->  999999999
    122 dddvi071 divideint  999999999.4   1  ->  999999999
    123 dddvi072 divideint  999999999.5   1  ->  999999999
    124 dddvi073 divideint  999999999.9   1  ->  999999999
    125 dddvi074 divideint  999999999.999 1  ->  999999999
    126 
    127 dddvi090 divideint  0.            1    ->  0
    128 dddvi091 divideint  .0            1    ->  0
    129 dddvi092 divideint  0.00          1    ->  0
    130 dddvi093 divideint  0.00E+9       1    ->  0
    131 dddvi094 divideint  0.0000E-50    1    ->  0
    132 
    133 dddvi100 divideint  1  1   -> 1
    134 dddvi101 divideint  1  2   -> 0
    135 dddvi102 divideint  1  3   -> 0
    136 dddvi103 divideint  1  4   -> 0
    137 dddvi104 divideint  1  5   -> 0
    138 dddvi105 divideint  1  6   -> 0
    139 dddvi106 divideint  1  7   -> 0
    140 dddvi107 divideint  1  8   -> 0
    141 dddvi108 divideint  1  9   -> 0
    142 dddvi109 divideint  1  10  -> 0
    143 dddvi110 divideint  1  1   -> 1
    144 dddvi111 divideint  2  1   -> 2
    145 dddvi112 divideint  3  1   -> 3
    146 dddvi113 divideint  4  1   -> 4
    147 dddvi114 divideint  5  1   -> 5
    148 dddvi115 divideint  6  1   -> 6
    149 dddvi116 divideint  7  1   -> 7
    150 dddvi117 divideint  8  1   -> 8
    151 dddvi118 divideint  9  1   -> 9
    152 dddvi119 divideint  10 1   -> 10
    153 
    154 -- from DiagBigDecimal
    155 dddvi131 divideint  101.3   1     ->  101
    156 dddvi132 divideint  101.0   1     ->  101
    157 dddvi133 divideint  101.3   3     ->  33
    158 dddvi134 divideint  101.0   3     ->  33
    159 dddvi135 divideint  2.4     1     ->  2
    160 dddvi136 divideint  2.400   1     ->  2
    161 dddvi137 divideint  18      18    ->  1
    162 dddvi138 divideint  1120    1000  ->  1
    163 dddvi139 divideint  2.4     2     ->  1
    164 dddvi140 divideint  2.400   2     ->  1
    165 dddvi141 divideint  0.5     2.000 ->  0
    166 dddvi142 divideint  8.005   7     ->  1
    167 dddvi143 divideint  5       2     ->  2
    168 dddvi144 divideint  0       2     ->  0
    169 dddvi145 divideint  0.00    2     ->  0
    170 
    171 -- Others
    172 dddvi150 divideint  12345  4.999  ->  2469
    173 dddvi151 divideint  12345  4.99   ->  2473
    174 dddvi152 divideint  12345  4.9    ->  2519
    175 dddvi153 divideint  12345  5      ->  2469
    176 dddvi154 divideint  12345  5.1    ->  2420
    177 dddvi155 divideint  12345  5.01   ->  2464
    178 dddvi156 divideint  12345  5.001  ->  2468
    179 dddvi157 divideint    101  7.6    ->  13
    180 
    181 -- Various flavours of divideint by 0
    182 dddvi201 divideint  0      0   -> NaN Division_undefined
    183 dddvi202 divideint  0.0E5  0   -> NaN Division_undefined
    184 dddvi203 divideint  0.000  0   -> NaN Division_undefined
    185 dddvi204 divideint  0.0001 0   -> Infinity Division_by_zero
    186 dddvi205 divideint  0.01   0   -> Infinity Division_by_zero
    187 dddvi206 divideint  0.1    0   -> Infinity Division_by_zero
    188 dddvi207 divideint  1      0   -> Infinity Division_by_zero
    189 dddvi208 divideint  1      0.0 -> Infinity Division_by_zero
    190 dddvi209 divideint 10      0.0 -> Infinity Division_by_zero
    191 dddvi210 divideint 1E+100  0.0 -> Infinity Division_by_zero
    192 dddvi211 divideint 1E+380  0   -> Infinity Division_by_zero
    193 dddvi214 divideint  -0.0001 0   -> -Infinity Division_by_zero
    194 dddvi215 divideint  -0.01   0   -> -Infinity Division_by_zero
    195 dddvi216 divideint  -0.1    0   -> -Infinity Division_by_zero
    196 dddvi217 divideint  -1      0   -> -Infinity Division_by_zero
    197 dddvi218 divideint  -1      0.0 -> -Infinity Division_by_zero
    198 dddvi219 divideint -10      0.0 -> -Infinity Division_by_zero
    199 dddvi220 divideint -1E+100  0.0 -> -Infinity Division_by_zero
    200 dddvi221 divideint -1E+380  0   -> -Infinity Division_by_zero
    201 
    202 -- test some cases that are close to exponent overflow
    203 dddvi270 divideint 1 1e384          -> 0
    204 dddvi271 divideint 1 0.9e384        -> 0
    205 dddvi272 divideint 1 0.99e384       -> 0
    206 dddvi273 divideint 1 0.9999999999999999e384       -> 0
    207 dddvi274 divideint 9e384    1       -> NaN Division_impossible
    208 dddvi275 divideint 9.9e384  1       -> NaN Division_impossible
    209 dddvi276 divideint 9.99e384 1       -> NaN Division_impossible
    210 dddvi277 divideint 9.999999999999999e384 1 -> NaN Division_impossible
    211 
    212 dddvi280 divideint 0.1 9e-383       -> NaN Division_impossible
    213 dddvi281 divideint 0.1 99e-383      -> NaN Division_impossible
    214 dddvi282 divideint 0.1 999e-383     -> NaN Division_impossible
    215 dddvi283 divideint 0.1 9e-382       -> NaN Division_impossible
    216 dddvi284 divideint 0.1 99e-382      -> NaN Division_impossible
    217 
    218 -- GD edge cases: lhs smaller than rhs but more digits
    219 dddvi301  divideint  0.9      2      ->  0
    220 dddvi302  divideint  0.9      2.0    ->  0
    221 dddvi303  divideint  0.9      2.1    ->  0
    222 dddvi304  divideint  0.9      2.00   ->  0
    223 dddvi305  divideint  0.9      2.01   ->  0
    224 dddvi306  divideint  0.12     1      ->  0
    225 dddvi307  divideint  0.12     1.0    ->  0
    226 dddvi308  divideint  0.12     1.00   ->  0
    227 dddvi309  divideint  0.12     1.0    ->  0
    228 dddvi310  divideint  0.12     1.00   ->  0
    229 dddvi311  divideint  0.12     2      ->  0
    230 dddvi312  divideint  0.12     2.0    ->  0
    231 dddvi313  divideint  0.12     2.1    ->  0
    232 dddvi314  divideint  0.12     2.00   ->  0
    233 dddvi315  divideint  0.12     2.01   ->  0
    234 
    235 -- edge cases of impossible
    236 dddvi330  divideint  1234567890123456  10    ->  123456789012345
    237 dddvi331  divideint  1234567890123456   1    ->  1234567890123456
    238 dddvi332  divideint  1234567890123456   0.1  ->  NaN Division_impossible
    239 dddvi333  divideint  1234567890123456   0.01 ->  NaN Division_impossible
    240 
    241 -- overflow and underflow tests [from divide]
    242 dddvi1051 divideint  1e+277  1e-311 ->  NaN Division_impossible
    243 dddvi1052 divideint  1e+277 -1e-311 ->  NaN Division_impossible
    244 dddvi1053 divideint -1e+277  1e-311 ->  NaN Division_impossible
    245 dddvi1054 divideint -1e+277 -1e-311 ->  NaN Division_impossible
    246 dddvi1055 divideint  1e-277  1e+311 ->  0
    247 dddvi1056 divideint  1e-277 -1e+311 -> -0
    248 dddvi1057 divideint -1e-277  1e+311 -> -0
    249 dddvi1058 divideint -1e-277 -1e+311 ->  0
    250 
    251 -- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
    252 dddvi1060 divideint 1e-291 1e+101 -> 0
    253 dddvi1061 divideint 1e-291 1e+102 -> 0
    254 dddvi1062 divideint 1e-291 1e+103 -> 0
    255 dddvi1063 divideint 1e-291 1e+104 -> 0
    256 dddvi1064 divideint 1e-291 1e+105 -> 0
    257 dddvi1065 divideint 1e-291 1e+106 -> 0
    258 dddvi1066 divideint 1e-291 1e+107 -> 0
    259 dddvi1067 divideint 1e-291 1e+108 -> 0
    260 dddvi1068 divideint 1e-291 1e+109 -> 0
    261 dddvi1069 divideint 1e-291 1e+110 -> 0
    262 
    263 dddvi1101 divideint  1.0000E-394  1     -> 0
    264 dddvi1102 divideint  1.000E-394   1e+1  -> 0
    265 dddvi1103 divideint  1.00E-394    1e+2  -> 0
    266 
    267 dddvi1118 divideint  1E-394       1e+4  -> 0
    268 dddvi1119 divideint  3E-394      -1e+5  -> -0
    269 dddvi1120 divideint  5E-394       1e+5  -> 0
    270 
    271 dddvi1124 divideint  1E-394      -1e+4  -> -0
    272 dddvi1130 divideint  3.0E-394    -1e+5  -> -0
    273 
    274 dddvi1131 divideint  1.0E-199     1e+200 -> 0
    275 dddvi1132 divideint  1.0E-199     1e+199 -> 0
    276 dddvi1133 divideint  1.0E-199     1e+198 -> 0
    277 dddvi1134 divideint  2.0E-199     2e+198 -> 0
    278 dddvi1135 divideint  4.0E-199     4e+198 -> 0
    279 
    280 -- long operand checks
    281 dddvi401 divideint 12345678000 100 -> 123456780
    282 dddvi402 divideint 1 12345678000   -> 0
    283 dddvi403 divideint 1234567800  10  -> 123456780
    284 dddvi404 divideint 1 1234567800    -> 0
    285 dddvi405 divideint 1234567890  10  -> 123456789
    286 dddvi406 divideint 1 1234567890    -> 0
    287 dddvi407 divideint 1234567891  10  -> 123456789
    288 dddvi408 divideint 1 1234567891    -> 0
    289 dddvi409 divideint 12345678901 100 -> 123456789
    290 dddvi410 divideint 1 12345678901   -> 0
    291 dddvi411 divideint 1234567896  10  -> 123456789
    292 dddvi412 divideint 1 1234567896    -> 0
    293 dddvi413 divideint 12345678948 100 -> 123456789
    294 dddvi414 divideint 12345678949 100 -> 123456789
    295 dddvi415 divideint 12345678950 100 -> 123456789
    296 dddvi416 divideint 12345678951 100 -> 123456789
    297 dddvi417 divideint 12345678999 100 -> 123456789
    298 dddvi441 divideint 12345678000 1 -> 12345678000
    299 dddvi442 divideint 1 12345678000 -> 0
    300 dddvi443 divideint 1234567800  1 -> 1234567800
    301 dddvi444 divideint 1 1234567800  -> 0
    302 dddvi445 divideint 1234567890  1 -> 1234567890
    303 dddvi446 divideint 1 1234567890  -> 0
    304 dddvi447 divideint 1234567891  1 -> 1234567891
    305 dddvi448 divideint 1 1234567891  -> 0
    306 dddvi449 divideint 12345678901 1 -> 12345678901
    307 dddvi450 divideint 1 12345678901 -> 0
    308 dddvi451 divideint 1234567896  1 -> 1234567896
    309 dddvi452 divideint 1 1234567896  -> 0
    310 
    311 -- more zeros, etc.
    312 dddvi531 divideint 5.00 1E-3    -> 5000
    313 dddvi532 divideint 00.00 0.000  -> NaN Division_undefined
    314 dddvi533 divideint 00.00 0E-3   -> NaN Division_undefined
    315 dddvi534 divideint  0    -0     -> NaN Division_undefined
    316 dddvi535 divideint -0     0     -> NaN Division_undefined
    317 dddvi536 divideint -0    -0     -> NaN Division_undefined
    318 
    319 dddvi541 divideint  0    -1     -> -0
    320 dddvi542 divideint -0    -1     ->  0
    321 dddvi543 divideint  0     1     ->  0
    322 dddvi544 divideint -0     1     -> -0
    323 dddvi545 divideint -1     0     -> -Infinity Division_by_zero
    324 dddvi546 divideint -1    -0     ->  Infinity Division_by_zero
    325 dddvi547 divideint  1     0     ->  Infinity Division_by_zero
    326 dddvi548 divideint  1    -0     -> -Infinity Division_by_zero
    327 
    328 dddvi551 divideint  0.0  -1     -> -0
    329 dddvi552 divideint -0.0  -1     ->  0
    330 dddvi553 divideint  0.0   1     ->  0
    331 dddvi554 divideint -0.0   1     -> -0
    332 dddvi555 divideint -1.0   0     -> -Infinity Division_by_zero
    333 dddvi556 divideint -1.0  -0     ->  Infinity Division_by_zero
    334 dddvi557 divideint  1.0   0     ->  Infinity Division_by_zero
    335 dddvi558 divideint  1.0  -0     -> -Infinity Division_by_zero
    336 
    337 dddvi561 divideint  0    -1.0   -> -0
    338 dddvi562 divideint -0    -1.0   ->  0
    339 dddvi563 divideint  0     1.0   ->  0
    340 dddvi564 divideint -0     1.0   -> -0
    341 dddvi565 divideint -1     0.0   -> -Infinity Division_by_zero
    342 dddvi566 divideint -1    -0.0   ->  Infinity Division_by_zero
    343 dddvi567 divideint  1     0.0   ->  Infinity Division_by_zero
    344 dddvi568 divideint  1    -0.0   -> -Infinity Division_by_zero
    345 
    346 dddvi571 divideint  0.0  -1.0   -> -0
    347 dddvi572 divideint -0.0  -1.0   ->  0
    348 dddvi573 divideint  0.0   1.0   ->  0
    349 dddvi574 divideint -0.0   1.0   -> -0
    350 dddvi575 divideint -1.0   0.0   -> -Infinity Division_by_zero
    351 dddvi576 divideint -1.0  -0.0   ->  Infinity Division_by_zero
    352 dddvi577 divideint  1.0   0.0   ->  Infinity Division_by_zero
    353 dddvi578 divideint  1.0  -0.0   -> -Infinity Division_by_zero
    354 
    355 -- Specials
    356 dddvi580 divideint  Inf  -Inf   ->  NaN Invalid_operation
    357 dddvi581 divideint  Inf  -1000  -> -Infinity
    358 dddvi582 divideint  Inf  -1     -> -Infinity
    359 dddvi583 divideint  Inf  -0     -> -Infinity
    360 dddvi584 divideint  Inf   0     ->  Infinity
    361 dddvi585 divideint  Inf   1     ->  Infinity
    362 dddvi586 divideint  Inf   1000  ->  Infinity
    363 dddvi587 divideint  Inf   Inf   ->  NaN Invalid_operation
    364 dddvi588 divideint -1000  Inf   -> -0
    365 dddvi589 divideint -Inf   Inf   ->  NaN Invalid_operation
    366 dddvi590 divideint -1     Inf   -> -0
    367 dddvi591 divideint -0     Inf   -> -0
    368 dddvi592 divideint  0     Inf   ->  0
    369 dddvi593 divideint  1     Inf   ->  0
    370 dddvi594 divideint  1000  Inf   ->  0
    371 dddvi595 divideint  Inf   Inf   ->  NaN Invalid_operation
    372 
    373 dddvi600 divideint -Inf  -Inf   ->  NaN Invalid_operation
    374 dddvi601 divideint -Inf  -1000  ->  Infinity
    375 dddvi602 divideint -Inf  -1     ->  Infinity
    376 dddvi603 divideint -Inf  -0     ->  Infinity
    377 dddvi604 divideint -Inf   0     -> -Infinity
    378 dddvi605 divideint -Inf   1     -> -Infinity
    379 dddvi606 divideint -Inf   1000  -> -Infinity
    380 dddvi607 divideint -Inf   Inf   ->  NaN Invalid_operation
    381 dddvi608 divideint -1000  Inf   -> -0
    382 dddvi609 divideint -Inf  -Inf   ->  NaN Invalid_operation
    383 dddvi610 divideint -1    -Inf   ->  0
    384 dddvi611 divideint -0    -Inf   ->  0
    385 dddvi612 divideint  0    -Inf   -> -0
    386 dddvi613 divideint  1    -Inf   -> -0
    387 dddvi614 divideint  1000 -Inf   -> -0
    388 dddvi615 divideint  Inf  -Inf   ->  NaN Invalid_operation
    389 
    390 dddvi621 divideint  NaN -Inf    ->  NaN
    391 dddvi622 divideint  NaN -1000   ->  NaN
    392 dddvi623 divideint  NaN -1      ->  NaN
    393 dddvi624 divideint  NaN -0      ->  NaN
    394 dddvi625 divideint  NaN  0      ->  NaN
    395 dddvi626 divideint  NaN  1      ->  NaN
    396 dddvi627 divideint  NaN  1000   ->  NaN
    397 dddvi628 divideint  NaN  Inf    ->  NaN
    398 dddvi629 divideint  NaN  NaN    ->  NaN
    399 dddvi630 divideint -Inf  NaN    ->  NaN
    400 dddvi631 divideint -1000 NaN    ->  NaN
    401 dddvi632 divideint -1    NaN    ->  NaN
    402 dddvi633 divideint -0    NaN    ->  NaN
    403 dddvi634 divideint  0    NaN    ->  NaN
    404 dddvi635 divideint  1    NaN    ->  NaN
    405 dddvi636 divideint  1000 NaN    ->  NaN
    406 dddvi637 divideint  Inf  NaN    ->  NaN
    407 
    408 dddvi641 divideint  sNaN -Inf   ->  NaN  Invalid_operation
    409 dddvi642 divideint  sNaN -1000  ->  NaN  Invalid_operation
    410 dddvi643 divideint  sNaN -1     ->  NaN  Invalid_operation
    411 dddvi644 divideint  sNaN -0     ->  NaN  Invalid_operation
    412 dddvi645 divideint  sNaN  0     ->  NaN  Invalid_operation
    413 dddvi646 divideint  sNaN  1     ->  NaN  Invalid_operation
    414 dddvi647 divideint  sNaN  1000  ->  NaN  Invalid_operation
    415 dddvi648 divideint  sNaN  NaN   ->  NaN  Invalid_operation
    416 dddvi649 divideint  sNaN sNaN   ->  NaN  Invalid_operation
    417 dddvi650 divideint  NaN  sNaN   ->  NaN  Invalid_operation
    418 dddvi651 divideint -Inf  sNaN   ->  NaN  Invalid_operation
    419 dddvi652 divideint -1000 sNaN   ->  NaN  Invalid_operation
    420 dddvi653 divideint -1    sNaN   ->  NaN  Invalid_operation
    421 dddvi654 divideint -0    sNaN   ->  NaN  Invalid_operation
    422 dddvi655 divideint  0    sNaN   ->  NaN  Invalid_operation
    423 dddvi656 divideint  1    sNaN   ->  NaN  Invalid_operation
    424 dddvi657 divideint  1000 sNaN   ->  NaN  Invalid_operation
    425 dddvi658 divideint  Inf  sNaN   ->  NaN  Invalid_operation
    426 dddvi659 divideint  NaN  sNaN   ->  NaN  Invalid_operation
    427 
    428 -- propagating NaNs
    429 dddvi661 divideint  NaN9 -Inf   ->  NaN9
    430 dddvi662 divideint  NaN8  1000  ->  NaN8
    431 dddvi663 divideint  NaN7  Inf   ->  NaN7
    432 dddvi664 divideint -NaN6  NaN5  -> -NaN6
    433 dddvi665 divideint -Inf   NaN4  ->  NaN4
    434 dddvi666 divideint -1000  NaN3  ->  NaN3
    435 dddvi667 divideint  Inf  -NaN2  -> -NaN2
    436 
    437 dddvi671 divideint -sNaN99 -Inf    -> -NaN99 Invalid_operation
    438 dddvi672 divideint  sNaN98 -1      ->  NaN98 Invalid_operation
    439 dddvi673 divideint  sNaN97  NaN    ->  NaN97 Invalid_operation
    440 dddvi674 divideint  sNaN96 sNaN94  ->  NaN96 Invalid_operation
    441 dddvi675 divideint  NaN95  sNaN93  ->  NaN93 Invalid_operation
    442 dddvi676 divideint -Inf    sNaN92  ->  NaN92 Invalid_operation
    443 dddvi677 divideint  0      sNaN91  ->  NaN91 Invalid_operation
    444 dddvi678 divideint  Inf   -sNaN90  -> -NaN90 Invalid_operation
    445 dddvi679 divideint  NaN    sNaN89  ->  NaN89 Invalid_operation
    446 
    447 -- Null tests
    448 dddvi900 divideint  10  # -> NaN Invalid_operation
    449 dddvi901 divideint   # 10 -> NaN Invalid_operation
    450