------------------------------------------------------------------------
-- dqCompare.decTest -- decQuad comparison that allows quiet NaNs     --
-- Copyright (c) IBM Corporation, 1981, 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

-- Note that we cannot assume add/subtract tests cover paths adequately,
-- here, because the code might be quite different (comparison cannot
-- overflow or underflow, so actual subtractions are not necessary).

-- All operands and results are decQuads.
extended:    1
clamp:       1
precision:   34
maxExponent: 6144
minExponent: -6143
rounding:    half_even

-- sanity checks
dqcom001 compare  -2  -2  -> 0
dqcom002 compare  -2  -1  -> -1
dqcom003 compare  -2   0  -> -1
dqcom004 compare  -2   1  -> -1
dqcom005 compare  -2   2  -> -1
dqcom006 compare  -1  -2  -> 1
dqcom007 compare  -1  -1  -> 0
dqcom008 compare  -1   0  -> -1
dqcom009 compare  -1   1  -> -1
dqcom010 compare  -1   2  -> -1
dqcom011 compare   0  -2  -> 1
dqcom012 compare   0  -1  -> 1
dqcom013 compare   0   0  -> 0
dqcom014 compare   0   1  -> -1
dqcom015 compare   0   2  -> -1
dqcom016 compare   1  -2  -> 1
dqcom017 compare   1  -1  -> 1
dqcom018 compare   1   0  -> 1
dqcom019 compare   1   1  -> 0
dqcom020 compare   1   2  -> -1
dqcom021 compare   2  -2  -> 1
dqcom022 compare   2  -1  -> 1
dqcom023 compare   2   0  -> 1
dqcom025 compare   2   1  -> 1
dqcom026 compare   2   2  -> 0

dqcom031 compare  -20  -20  -> 0
dqcom032 compare  -20  -10  -> -1
dqcom033 compare  -20   00  -> -1
dqcom034 compare  -20   10  -> -1
dqcom035 compare  -20   20  -> -1
dqcom036 compare  -10  -20  -> 1
dqcom037 compare  -10  -10  -> 0
dqcom038 compare  -10   00  -> -1
dqcom039 compare  -10   10  -> -1
dqcom040 compare  -10   20  -> -1
dqcom041 compare   00  -20  -> 1
dqcom042 compare   00  -10  -> 1
dqcom043 compare   00   00  -> 0
dqcom044 compare   00   10  -> -1
dqcom045 compare   00   20  -> -1
dqcom046 compare   10  -20  -> 1
dqcom047 compare   10  -10  -> 1
dqcom048 compare   10   00  -> 1
dqcom049 compare   10   10  -> 0
dqcom050 compare   10   20  -> -1
dqcom051 compare   20  -20  -> 1
dqcom052 compare   20  -10  -> 1
dqcom053 compare   20   00  -> 1
dqcom055 compare   20   10  -> 1
dqcom056 compare   20   20  -> 0

dqcom061 compare  -2.0  -2.0  -> 0
dqcom062 compare  -2.0  -1.0  -> -1
dqcom063 compare  -2.0   0.0  -> -1
dqcom064 compare  -2.0   1.0  -> -1
dqcom065 compare  -2.0   2.0  -> -1
dqcom066 compare  -1.0  -2.0  -> 1
dqcom067 compare  -1.0  -1.0  -> 0
dqcom068 compare  -1.0   0.0  -> -1
dqcom069 compare  -1.0   1.0  -> -1
dqcom070 compare  -1.0   2.0  -> -1
dqcom071 compare   0.0  -2.0  -> 1
dqcom072 compare   0.0  -1.0  -> 1
dqcom073 compare   0.0   0.0  -> 0
dqcom074 compare   0.0   1.0  -> -1
dqcom075 compare   0.0   2.0  -> -1
dqcom076 compare   1.0  -2.0  -> 1
dqcom077 compare   1.0  -1.0  -> 1
dqcom078 compare   1.0   0.0  -> 1
dqcom079 compare   1.0   1.0  -> 0
dqcom080 compare   1.0   2.0  -> -1
dqcom081 compare   2.0  -2.0  -> 1
dqcom082 compare   2.0  -1.0  -> 1
dqcom083 compare   2.0   0.0  -> 1
dqcom085 compare   2.0   1.0  -> 1
dqcom086 compare   2.0   2.0  -> 0

-- now some cases which might overflow if subtract were used
dqcom090 compare  9.999999999999999999999999999999999E+6144 9.999999999999999999999999999999999E+6144  -> 0
dqcom091 compare -9.999999999999999999999999999999999E+6144 9.999999999999999999999999999999999E+6144  -> -1
dqcom092 compare  9.999999999999999999999999999999999E+6144 -9.999999999999999999999999999999999E+6144 -> 1
dqcom093 compare -9.999999999999999999999999999999999E+6144 -9.999999999999999999999999999999999E+6144 -> 0

-- some differing length/exponent cases
dqcom100 compare   7.0    7.0    -> 0
dqcom101 compare   7.0    7      -> 0
dqcom102 compare   7      7.0    -> 0
dqcom103 compare   7E+0   7.0    -> 0
dqcom104 compare   70E-1  7.0    -> 0
dqcom105 compare   0.7E+1 7      -> 0
dqcom106 compare   70E-1  7      -> 0
dqcom107 compare   7.0    7E+0   -> 0
dqcom108 compare   7.0    70E-1  -> 0
dqcom109 compare   7      0.7E+1 -> 0
dqcom110 compare   7      70E-1  -> 0

dqcom120 compare   8.0    7.0    -> 1
dqcom121 compare   8.0    7      -> 1
dqcom122 compare   8      7.0    -> 1
dqcom123 compare   8E+0   7.0    -> 1
dqcom124 compare   80E-1  7.0    -> 1
dqcom125 compare   0.8E+1 7      -> 1
dqcom126 compare   80E-1  7      -> 1
dqcom127 compare   8.0    7E+0   -> 1
dqcom128 compare   8.0    70E-1  -> 1
dqcom129 compare   8      0.7E+1  -> 1
dqcom130 compare   8      70E-1  -> 1

dqcom140 compare   8.0    9.0    -> -1
dqcom141 compare   8.0    9      -> -1
dqcom142 compare   8      9.0    -> -1
dqcom143 compare   8E+0   9.0    -> -1
dqcom144 compare   80E-1  9.0    -> -1
dqcom145 compare   0.8E+1 9      -> -1
dqcom146 compare   80E-1  9      -> -1
dqcom147 compare   8.0    9E+0   -> -1
dqcom148 compare   8.0    90E-1  -> -1
dqcom149 compare   8      0.9E+1 -> -1
dqcom150 compare   8      90E-1  -> -1

-- and again, with sign changes -+ ..
dqcom200 compare  -7.0    7.0    -> -1
dqcom201 compare  -7.0    7      -> -1
dqcom202 compare  -7      7.0    -> -1
dqcom203 compare  -7E+0   7.0    -> -1
dqcom204 compare  -70E-1  7.0    -> -1
dqcom205 compare  -0.7E+1 7      -> -1
dqcom206 compare  -70E-1  7      -> -1
dqcom207 compare  -7.0    7E+0   -> -1
dqcom208 compare  -7.0    70E-1  -> -1
dqcom209 compare  -7      0.7E+1 -> -1
dqcom210 compare  -7      70E-1  -> -1

dqcom220 compare  -8.0    7.0    -> -1
dqcom221 compare  -8.0    7      -> -1
dqcom222 compare  -8      7.0    -> -1
dqcom223 compare  -8E+0   7.0    -> -1
dqcom224 compare  -80E-1  7.0    -> -1
dqcom225 compare  -0.8E+1 7      -> -1
dqcom226 compare  -80E-1  7      -> -1
dqcom227 compare  -8.0    7E+0   -> -1
dqcom228 compare  -8.0    70E-1  -> -1
dqcom229 compare  -8      0.7E+1 -> -1
dqcom230 compare  -8      70E-1  -> -1

dqcom240 compare  -8.0    9.0    -> -1
dqcom241 compare  -8.0    9      -> -1
dqcom242 compare  -8      9.0    -> -1
dqcom243 compare  -8E+0   9.0    -> -1
dqcom244 compare  -80E-1  9.0    -> -1
dqcom245 compare  -0.8E+1 9      -> -1
dqcom246 compare  -80E-1  9      -> -1
dqcom247 compare  -8.0    9E+0   -> -1
dqcom248 compare  -8.0    90E-1  -> -1
dqcom249 compare  -8      0.9E+1 -> -1
dqcom250 compare  -8      90E-1  -> -1

-- and again, with sign changes +- ..
dqcom300 compare   7.0    -7.0    -> 1
dqcom301 compare   7.0    -7      -> 1
dqcom302 compare   7      -7.0    -> 1
dqcom303 compare   7E+0   -7.0    -> 1
dqcom304 compare   70E-1  -7.0    -> 1
dqcom305 compare   .7E+1  -7      -> 1
dqcom306 compare   70E-1  -7      -> 1
dqcom307 compare   7.0    -7E+0   -> 1
dqcom308 compare   7.0    -70E-1  -> 1
dqcom309 compare   7      -.7E+1  -> 1
dqcom310 compare   7      -70E-1  -> 1

dqcom320 compare   8.0    -7.0    -> 1
dqcom321 compare   8.0    -7      -> 1
dqcom322 compare   8      -7.0    -> 1
dqcom323 compare   8E+0   -7.0    -> 1
dqcom324 compare   80E-1  -7.0    -> 1
dqcom325 compare   .8E+1  -7      -> 1
dqcom326 compare   80E-1  -7      -> 1
dqcom327 compare   8.0    -7E+0   -> 1
dqcom328 compare   8.0    -70E-1  -> 1
dqcom329 compare   8      -.7E+1  -> 1
dqcom330 compare   8      -70E-1  -> 1

dqcom340 compare   8.0    -9.0    -> 1
dqcom341 compare   8.0    -9      -> 1
dqcom342 compare   8      -9.0    -> 1
dqcom343 compare   8E+0   -9.0    -> 1
dqcom344 compare   80E-1  -9.0    -> 1
dqcom345 compare   .8E+1  -9      -> 1
dqcom346 compare   80E-1  -9      -> 1
dqcom347 compare   8.0    -9E+0   -> 1
dqcom348 compare   8.0    -90E-1  -> 1
dqcom349 compare   8      -.9E+1  -> 1
dqcom350 compare   8      -90E-1  -> 1

-- and again, with sign changes -- ..
dqcom400 compare   -7.0    -7.0    -> 0
dqcom401 compare   -7.0    -7      -> 0
dqcom402 compare   -7      -7.0    -> 0
dqcom403 compare   -7E+0   -7.0    -> 0
dqcom404 compare   -70E-1  -7.0    -> 0
dqcom405 compare   -.7E+1  -7      -> 0
dqcom406 compare   -70E-1  -7      -> 0
dqcom407 compare   -7.0    -7E+0   -> 0
dqcom408 compare   -7.0    -70E-1  -> 0
dqcom409 compare   -7      -.7E+1  -> 0
dqcom410 compare   -7      -70E-1  -> 0

dqcom420 compare   -8.0    -7.0    -> -1
dqcom421 compare   -8.0    -7      -> -1
dqcom422 compare   -8      -7.0    -> -1
dqcom423 compare   -8E+0   -7.0    -> -1
dqcom424 compare   -80E-1  -7.0    -> -1
dqcom425 compare   -.8E+1  -7      -> -1
dqcom426 compare   -80E-1  -7      -> -1
dqcom427 compare   -8.0    -7E+0   -> -1
dqcom428 compare   -8.0    -70E-1  -> -1
dqcom429 compare   -8      -.7E+1  -> -1
dqcom430 compare   -8      -70E-1  -> -1

dqcom440 compare   -8.0    -9.0    -> 1
dqcom441 compare   -8.0    -9      -> 1
dqcom442 compare   -8      -9.0    -> 1
dqcom443 compare   -8E+0   -9.0    -> 1
dqcom444 compare   -80E-1  -9.0    -> 1
dqcom445 compare   -.8E+1  -9      -> 1
dqcom446 compare   -80E-1  -9      -> 1
dqcom447 compare   -8.0    -9E+0   -> 1
dqcom448 compare   -8.0    -90E-1  -> 1
dqcom449 compare   -8      -.9E+1  -> 1
dqcom450 compare   -8      -90E-1  -> 1

-- misalignment traps for little-endian
dqcom451 compare      1.0       0.1  -> 1
dqcom452 compare      0.1       1.0  -> -1
dqcom453 compare     10.0       0.1  -> 1
dqcom454 compare      0.1      10.0  -> -1
dqcom455 compare      100       1.0  -> 1
dqcom456 compare      1.0       100  -> -1
dqcom457 compare     1000      10.0  -> 1
dqcom458 compare     10.0      1000  -> -1
dqcom459 compare    10000     100.0  -> 1
dqcom460 compare    100.0     10000  -> -1
dqcom461 compare   100000    1000.0  -> 1
dqcom462 compare   1000.0    100000  -> -1
dqcom463 compare  1000000   10000.0  -> 1
dqcom464 compare  10000.0   1000000  -> -1

-- testcases that subtract to lots of zeros at boundaries [pgr]
dqcom473 compare 123.9999999999999999994560000000000E-89 123.999999999999999999456E-89 -> 0
dqcom474 compare 123.999999999999999999456000000000E+89 123.999999999999999999456E+89 -> 0
dqcom475 compare 123.99999999999999999945600000000E-89 123.999999999999999999456E-89 -> 0
dqcom476 compare 123.9999999999999999994560000000E+89 123.999999999999999999456E+89 -> 0
dqcom477 compare 123.999999999999999999456000000E-89 123.999999999999999999456E-89 -> 0
dqcom478 compare 123.99999999999999999945600000E+89 123.999999999999999999456E+89 -> 0
dqcom479 compare 123.9999999999999999994560000E-89 123.999999999999999999456E-89 -> 0
dqcom480 compare 123.999999999999999999456000E+89 123.999999999999999999456E+89 -> 0
dqcom481 compare 123.99999999999999999945600E-89 123.999999999999999999456E-89 -> 0
dqcom482 compare 123.9999999999999999994560E+89 123.999999999999999999456E+89 -> 0
dqcom483 compare 123.999999999999999999456E-89 123.999999999999999999456E-89 -> 0
dqcom487 compare 123.999999999999999999456E+89 123.9999999999999999994560000000000E+89 -> 0
dqcom488 compare 123.999999999999999999456E-89 123.999999999999999999456000000000E-89 -> 0
dqcom489 compare 123.999999999999999999456E+89 123.99999999999999999945600000000E+89 -> 0
dqcom490 compare 123.999999999999999999456E-89 123.9999999999999999994560000000E-89 -> 0
dqcom491 compare 123.999999999999999999456E+89 123.999999999999999999456000000E+89 -> 0
dqcom492 compare 123.999999999999999999456E-89 123.99999999999999999945600000E-89 -> 0
dqcom493 compare 123.999999999999999999456E+89 123.9999999999999999994560000E+89 -> 0
dqcom494 compare 123.999999999999999999456E-89 123.999999999999999999456000E-89 -> 0
dqcom495 compare 123.999999999999999999456E+89 123.99999999999999999945600E+89 -> 0
dqcom496 compare 123.999999999999999999456E-89 123.9999999999999999994560E-89 -> 0
dqcom497 compare 123.999999999999999999456E+89 123.999999999999999999456E+89 -> 0

-- wide-ranging, around precision; signs equal
dqcom500 compare    1     1E-15    -> 1
dqcom501 compare    1     1E-14    -> 1
dqcom502 compare    1     1E-13    -> 1
dqcom503 compare    1     1E-12    -> 1
dqcom504 compare    1     1E-11    -> 1
dqcom505 compare    1     1E-10    -> 1
dqcom506 compare    1     1E-9     -> 1
dqcom507 compare    1     1E-8     -> 1
dqcom508 compare    1     1E-7     -> 1
dqcom509 compare    1     1E-6     -> 1
dqcom510 compare    1     1E-5     -> 1
dqcom511 compare    1     1E-4     -> 1
dqcom512 compare    1     1E-3     -> 1
dqcom513 compare    1     1E-2     -> 1
dqcom514 compare    1     1E-1     -> 1
dqcom515 compare    1     1E-0     -> 0
dqcom516 compare    1     1E+1     -> -1
dqcom517 compare    1     1E+2     -> -1
dqcom518 compare    1     1E+3     -> -1
dqcom519 compare    1     1E+4     -> -1
dqcom521 compare    1     1E+5     -> -1
dqcom522 compare    1     1E+6     -> -1
dqcom523 compare    1     1E+7     -> -1
dqcom524 compare    1     1E+8     -> -1
dqcom525 compare    1     1E+9     -> -1
dqcom526 compare    1     1E+10    -> -1
dqcom527 compare    1     1E+11    -> -1
dqcom528 compare    1     1E+12    -> -1
dqcom529 compare    1     1E+13    -> -1
dqcom530 compare    1     1E+14    -> -1
dqcom531 compare    1     1E+15    -> -1
-- LR swap
dqcom540 compare    1E-15  1       -> -1
dqcom541 compare    1E-14  1       -> -1
dqcom542 compare    1E-13  1       -> -1
dqcom543 compare    1E-12  1       -> -1
dqcom544 compare    1E-11  1       -> -1
dqcom545 compare    1E-10  1       -> -1
dqcom546 compare    1E-9   1       -> -1
dqcom547 compare    1E-8   1       -> -1
dqcom548 compare    1E-7   1       -> -1
dqcom549 compare    1E-6   1       -> -1
dqcom550 compare    1E-5   1       -> -1
dqcom551 compare    1E-4   1       -> -1
dqcom552 compare    1E-3   1       -> -1
dqcom553 compare    1E-2   1       -> -1
dqcom554 compare    1E-1   1       -> -1
dqcom555 compare    1E-0   1       ->  0
dqcom556 compare    1E+1   1       ->  1
dqcom557 compare    1E+2   1       ->  1
dqcom558 compare    1E+3   1       ->  1
dqcom559 compare    1E+4   1       ->  1
dqcom561 compare    1E+5   1       ->  1
dqcom562 compare    1E+6   1       ->  1
dqcom563 compare    1E+7   1       ->  1
dqcom564 compare    1E+8   1       ->  1
dqcom565 compare    1E+9   1       ->  1
dqcom566 compare    1E+10  1       ->  1
dqcom567 compare    1E+11  1       ->  1
dqcom568 compare    1E+12  1       ->  1
dqcom569 compare    1E+13  1       ->  1
dqcom570 compare    1E+14  1       ->  1
dqcom571 compare    1E+15  1       ->  1
-- similar with a useful coefficient, one side only
dqcom580 compare  0.000000987654321     1E-15    -> 1
dqcom581 compare  0.000000987654321     1E-14    -> 1
dqcom582 compare  0.000000987654321     1E-13    -> 1
dqcom583 compare  0.000000987654321     1E-12    -> 1
dqcom584 compare  0.000000987654321     1E-11    -> 1
dqcom585 compare  0.000000987654321     1E-10    -> 1
dqcom586 compare  0.000000987654321     1E-9     -> 1
dqcom587 compare  0.000000987654321     1E-8     -> 1
dqcom588 compare  0.000000987654321     1E-7     -> 1
dqcom589 compare  0.000000987654321     1E-6     -> -1
dqcom590 compare  0.000000987654321     1E-5     -> -1
dqcom591 compare  0.000000987654321     1E-4     -> -1
dqcom592 compare  0.000000987654321     1E-3     -> -1
dqcom593 compare  0.000000987654321     1E-2     -> -1
dqcom594 compare  0.000000987654321     1E-1     -> -1
dqcom595 compare  0.000000987654321     1E-0     -> -1
dqcom596 compare  0.000000987654321     1E+1     -> -1
dqcom597 compare  0.000000987654321     1E+2     -> -1
dqcom598 compare  0.000000987654321     1E+3     -> -1
dqcom599 compare  0.000000987654321     1E+4     -> -1

-- check some unit-y traps
dqcom600 compare   12            12.2345 -> -1
dqcom601 compare   12.0          12.2345 -> -1
dqcom602 compare   12.00         12.2345 -> -1
dqcom603 compare   12.000        12.2345 -> -1
dqcom604 compare   12.0000       12.2345 -> -1
dqcom605 compare   12.00000      12.2345 -> -1
dqcom606 compare   12.000000     12.2345 -> -1
dqcom607 compare   12.0000000    12.2345 -> -1
dqcom608 compare   12.00000000   12.2345 -> -1
dqcom609 compare   12.000000000  12.2345 -> -1
dqcom610 compare   12.1234 12            ->  1
dqcom611 compare   12.1234 12.0          ->  1
dqcom612 compare   12.1234 12.00         ->  1
dqcom613 compare   12.1234 12.000        ->  1
dqcom614 compare   12.1234 12.0000       ->  1
dqcom615 compare   12.1234 12.00000      ->  1
dqcom616 compare   12.1234 12.000000     ->  1
dqcom617 compare   12.1234 12.0000000    ->  1
dqcom618 compare   12.1234 12.00000000   ->  1
dqcom619 compare   12.1234 12.000000000  ->  1
dqcom620 compare  -12           -12.2345 ->  1
dqcom621 compare  -12.0         -12.2345 ->  1
dqcom622 compare  -12.00        -12.2345 ->  1
dqcom623 compare  -12.000       -12.2345 ->  1
dqcom624 compare  -12.0000      -12.2345 ->  1
dqcom625 compare  -12.00000     -12.2345 ->  1
dqcom626 compare  -12.000000    -12.2345 ->  1
dqcom627 compare  -12.0000000   -12.2345 ->  1
dqcom628 compare  -12.00000000  -12.2345 ->  1
dqcom629 compare  -12.000000000 -12.2345 ->  1
dqcom630 compare  -12.1234 -12           -> -1
dqcom631 compare  -12.1234 -12.0         -> -1
dqcom632 compare  -12.1234 -12.00        -> -1
dqcom633 compare  -12.1234 -12.000       -> -1
dqcom634 compare  -12.1234 -12.0000      -> -1
dqcom635 compare  -12.1234 -12.00000     -> -1
dqcom636 compare  -12.1234 -12.000000    -> -1
dqcom637 compare  -12.1234 -12.0000000   -> -1
dqcom638 compare  -12.1234 -12.00000000  -> -1
dqcom639 compare  -12.1234 -12.000000000 -> -1

-- extended zeros
dqcom640 compare   0     0   -> 0
dqcom641 compare   0    -0   -> 0
dqcom642 compare   0    -0.0 -> 0
dqcom643 compare   0     0.0 -> 0
dqcom644 compare  -0     0   -> 0
dqcom645 compare  -0    -0   -> 0
dqcom646 compare  -0    -0.0 -> 0
dqcom647 compare  -0     0.0 -> 0
dqcom648 compare   0.0   0   -> 0
dqcom649 compare   0.0  -0   -> 0
dqcom650 compare   0.0  -0.0 -> 0
dqcom651 compare   0.0   0.0 -> 0
dqcom652 compare  -0.0   0   -> 0
dqcom653 compare  -0.0  -0   -> 0
dqcom654 compare  -0.0  -0.0 -> 0
dqcom655 compare  -0.0   0.0 -> 0

dqcom656 compare  -0E1   0.0 -> 0
dqcom657 compare  -0E2   0.0 -> 0
dqcom658 compare   0E1   0.0 -> 0
dqcom659 compare   0E2   0.0 -> 0
dqcom660 compare  -0E1   0   -> 0
dqcom661 compare  -0E2   0   -> 0
dqcom662 compare   0E1   0   -> 0
dqcom663 compare   0E2   0   -> 0
dqcom664 compare  -0E1  -0E1 -> 0
dqcom665 compare  -0E2  -0E1 -> 0
dqcom666 compare   0E1  -0E1 -> 0
dqcom667 compare   0E2  -0E1 -> 0
dqcom668 compare  -0E1  -0E2 -> 0
dqcom669 compare  -0E2  -0E2 -> 0
dqcom670 compare   0E1  -0E2 -> 0
dqcom671 compare   0E2  -0E2 -> 0
dqcom672 compare  -0E1   0E1 -> 0
dqcom673 compare  -0E2   0E1 -> 0
dqcom674 compare   0E1   0E1 -> 0
dqcom675 compare   0E2   0E1 -> 0
dqcom676 compare  -0E1   0E2 -> 0
dqcom677 compare  -0E2   0E2 -> 0
dqcom678 compare   0E1   0E2 -> 0
dqcom679 compare   0E2   0E2 -> 0

-- trailing zeros; unit-y
dqcom680 compare   12    12           -> 0
dqcom681 compare   12    12.0         -> 0
dqcom682 compare   12    12.00        -> 0
dqcom683 compare   12    12.000       -> 0
dqcom684 compare   12    12.0000      -> 0
dqcom685 compare   12    12.00000     -> 0
dqcom686 compare   12    12.000000    -> 0
dqcom687 compare   12    12.0000000   -> 0
dqcom688 compare   12    12.00000000  -> 0
dqcom689 compare   12    12.000000000 -> 0
dqcom690 compare   12              12 -> 0
dqcom691 compare   12.0            12 -> 0
dqcom692 compare   12.00           12 -> 0
dqcom693 compare   12.000          12 -> 0
dqcom694 compare   12.0000         12 -> 0
dqcom695 compare   12.00000        12 -> 0
dqcom696 compare   12.000000       12 -> 0
dqcom697 compare   12.0000000      12 -> 0
dqcom698 compare   12.00000000     12 -> 0
dqcom699 compare   12.000000000    12 -> 0

-- first, second, & last digit
dqcom700 compare   1234567899999999999999999990123456 1234567899999999999999999990123455 -> 1
dqcom701 compare   1234567899999999999999999990123456 1234567899999999999999999990123456 -> 0
dqcom702 compare   1234567899999999999999999990123456 1234567899999999999999999990123457 -> -1
dqcom703 compare   1234567899999999999999999990123456 0234567899999999999999999990123456 -> 1
dqcom704 compare   1234567899999999999999999990123456 1234567899999999999999999990123456 -> 0
dqcom705 compare   1234567899999999999999999990123456 2234567899999999999999999990123456 -> -1
dqcom706 compare   1134567899999999999999999990123456 1034567899999999999999999990123456 -> 1
dqcom707 compare   1134567899999999999999999990123456 1134567899999999999999999990123456 -> 0
dqcom708 compare   1134567899999999999999999990123456 1234567899999999999999999990123456 -> -1

-- miscellaneous
dqcom721 compare 12345678000 1 -> 1
dqcom722 compare 1 12345678000 -> -1
dqcom723 compare 1234567800  1 -> 1
dqcom724 compare 1 1234567800  -> -1
dqcom725 compare 1234567890  1 -> 1
dqcom726 compare 1 1234567890  -> -1
dqcom727 compare 1234567891  1 -> 1
dqcom728 compare 1 1234567891  -> -1
dqcom729 compare 12345678901 1 -> 1
dqcom730 compare 1 12345678901 -> -1
dqcom731 compare 1234567896  1 -> 1
dqcom732 compare 1 1234567896  -> -1

-- residue cases at lower precision
dqcom740 compare  1  0.9999999  -> 1
dqcom741 compare  1  0.999999   -> 1
dqcom742 compare  1  0.99999    -> 1
dqcom743 compare  1  1.0000     -> 0
dqcom744 compare  1  1.00001    -> -1
dqcom745 compare  1  1.000001   -> -1
dqcom746 compare  1  1.0000001  -> -1
dqcom750 compare  0.9999999  1  -> -1
dqcom751 compare  0.999999   1  -> -1
dqcom752 compare  0.99999    1  -> -1
dqcom753 compare  1.0000     1  -> 0
dqcom754 compare  1.00001    1  -> 1
dqcom755 compare  1.000001   1  -> 1
dqcom756 compare  1.0000001  1  -> 1

-- Specials
dqcom780 compare  Inf  -Inf   ->  1
dqcom781 compare  Inf  -1000  ->  1
dqcom782 compare  Inf  -1     ->  1
dqcom783 compare  Inf  -0     ->  1
dqcom784 compare  Inf   0     ->  1
dqcom785 compare  Inf   1     ->  1
dqcom786 compare  Inf   1000  ->  1
dqcom787 compare  Inf   Inf   ->  0
dqcom788 compare -1000  Inf   -> -1
dqcom789 compare -Inf   Inf   -> -1
dqcom790 compare -1     Inf   -> -1
dqcom791 compare -0     Inf   -> -1
dqcom792 compare  0     Inf   -> -1
dqcom793 compare  1     Inf   -> -1
dqcom794 compare  1000  Inf   -> -1
dqcom795 compare  Inf   Inf   ->  0

dqcom800 compare -Inf  -Inf   ->  0
dqcom801 compare -Inf  -1000  -> -1
dqcom802 compare -Inf  -1     -> -1
dqcom803 compare -Inf  -0     -> -1
dqcom804 compare -Inf   0     -> -1
dqcom805 compare -Inf   1     -> -1
dqcom806 compare -Inf   1000  -> -1
dqcom807 compare -Inf   Inf   -> -1
dqcom808 compare -Inf  -Inf   ->  0
dqcom809 compare -1000 -Inf   ->  1
dqcom810 compare -1    -Inf   ->  1
dqcom811 compare -0    -Inf   ->  1
dqcom812 compare  0    -Inf   ->  1
dqcom813 compare  1    -Inf   ->  1
dqcom814 compare  1000 -Inf   ->  1
dqcom815 compare  Inf  -Inf   ->  1

dqcom821 compare  NaN -Inf    ->  NaN
dqcom822 compare  NaN -1000   ->  NaN
dqcom823 compare  NaN -1      ->  NaN
dqcom824 compare  NaN -0      ->  NaN
dqcom825 compare  NaN  0      ->  NaN
dqcom826 compare  NaN  1      ->  NaN
dqcom827 compare  NaN  1000   ->  NaN
dqcom828 compare  NaN  Inf    ->  NaN
dqcom829 compare  NaN  NaN    ->  NaN
dqcom830 compare -Inf  NaN    ->  NaN
dqcom831 compare -1000 NaN    ->  NaN
dqcom832 compare -1    NaN    ->  NaN
dqcom833 compare -0    NaN    ->  NaN
dqcom834 compare  0    NaN    ->  NaN
dqcom835 compare  1    NaN    ->  NaN
dqcom836 compare  1000 NaN    ->  NaN
dqcom837 compare  Inf  NaN    ->  NaN
dqcom838 compare -NaN -NaN    -> -NaN
dqcom839 compare +NaN -NaN    ->  NaN
dqcom840 compare -NaN +NaN    -> -NaN

dqcom841 compare  sNaN -Inf   ->  NaN  Invalid_operation
dqcom842 compare  sNaN -1000  ->  NaN  Invalid_operation
dqcom843 compare  sNaN -1     ->  NaN  Invalid_operation
dqcom844 compare  sNaN -0     ->  NaN  Invalid_operation
dqcom845 compare  sNaN  0     ->  NaN  Invalid_operation
dqcom846 compare  sNaN  1     ->  NaN  Invalid_operation
dqcom847 compare  sNaN  1000  ->  NaN  Invalid_operation
dqcom848 compare  sNaN  NaN   ->  NaN  Invalid_operation
dqcom849 compare  sNaN sNaN   ->  NaN  Invalid_operation
dqcom850 compare  NaN  sNaN   ->  NaN  Invalid_operation
dqcom851 compare -Inf  sNaN   ->  NaN  Invalid_operation
dqcom852 compare -1000 sNaN   ->  NaN  Invalid_operation
dqcom853 compare -1    sNaN   ->  NaN  Invalid_operation
dqcom854 compare -0    sNaN   ->  NaN  Invalid_operation
dqcom855 compare  0    sNaN   ->  NaN  Invalid_operation
dqcom856 compare  1    sNaN   ->  NaN  Invalid_operation
dqcom857 compare  1000 sNaN   ->  NaN  Invalid_operation
dqcom858 compare  Inf  sNaN   ->  NaN  Invalid_operation
dqcom859 compare  NaN  sNaN   ->  NaN  Invalid_operation

-- propagating NaNs
dqcom860 compare  NaN9 -Inf   ->  NaN9
dqcom861 compare  NaN8  999   ->  NaN8
dqcom862 compare  NaN77 Inf   ->  NaN77
dqcom863 compare -NaN67 NaN5  -> -NaN67
dqcom864 compare -Inf  -NaN4  -> -NaN4
dqcom865 compare -999  -NaN33 -> -NaN33
dqcom866 compare  Inf   NaN2  ->  NaN2
dqcom867 compare -NaN41 -NaN42 -> -NaN41
dqcom868 compare +NaN41 -NaN42 ->  NaN41
dqcom869 compare -NaN41 +NaN42 -> -NaN41
dqcom870 compare +NaN41 +NaN42 ->  NaN41

dqcom871 compare -sNaN99 -Inf    -> -NaN99 Invalid_operation
dqcom872 compare  sNaN98 -11     ->  NaN98 Invalid_operation
dqcom873 compare  sNaN97  NaN    ->  NaN97 Invalid_operation
dqcom874 compare  sNaN16 sNaN94  ->  NaN16 Invalid_operation
dqcom875 compare  NaN85  sNaN83  ->  NaN83 Invalid_operation
dqcom876 compare -Inf    sNaN92  ->  NaN92 Invalid_operation
dqcom877 compare  088    sNaN81  ->  NaN81 Invalid_operation
dqcom878 compare  Inf    sNaN90  ->  NaN90 Invalid_operation
dqcom879 compare  NaN   -sNaN89  -> -NaN89 Invalid_operation

-- wide range
dqcom880 compare +1.23456789012345E-0 9E+6144 -> -1
dqcom881 compare 9E+6144 +1.23456789012345E-0 ->  1
dqcom882 compare +0.100 9E-6143               ->  1
dqcom883 compare 9E-6143 +0.100               -> -1
dqcom885 compare -1.23456789012345E-0 9E+6144 -> -1
dqcom886 compare 9E+6144 -1.23456789012345E-0 ->  1
dqcom887 compare -0.100 9E-6143               -> -1
dqcom888 compare 9E-6143 -0.100               ->  1

-- signs
dqcom901 compare  1e+77  1e+11 ->  1
dqcom902 compare  1e+77 -1e+11 ->  1
dqcom903 compare -1e+77  1e+11 -> -1
dqcom904 compare -1e+77 -1e+11 -> -1
dqcom905 compare  1e-77  1e-11 -> -1
dqcom906 compare  1e-77 -1e-11 ->  1
dqcom907 compare -1e-77  1e-11 -> -1
dqcom908 compare -1e-77 -1e-11 ->  1

-- full alignment range, both ways
dqcomp1001 compare 1 1.000000000000000000000000000000000  -> 0
dqcomp1002 compare 1 1.00000000000000000000000000000000   -> 0
dqcomp1003 compare 1 1.0000000000000000000000000000000    -> 0
dqcomp1004 compare 1 1.000000000000000000000000000000     -> 0
dqcomp1005 compare 1 1.00000000000000000000000000000      -> 0
dqcomp1006 compare 1 1.0000000000000000000000000000       -> 0
dqcomp1007 compare 1 1.000000000000000000000000000        -> 0
dqcomp1008 compare 1 1.00000000000000000000000000         -> 0
dqcomp1009 compare 1 1.0000000000000000000000000          -> 0
dqcomp1010 compare 1 1.000000000000000000000000           -> 0
dqcomp1011 compare 1 1.00000000000000000000000            -> 0
dqcomp1012 compare 1 1.0000000000000000000000             -> 0
dqcomp1013 compare 1 1.000000000000000000000              -> 0
dqcomp1014 compare 1 1.00000000000000000000               -> 0
dqcomp1015 compare 1 1.0000000000000000000                -> 0
dqcomp1016 compare 1 1.000000000000000000                 -> 0
dqcomp1017 compare 1 1.00000000000000000                  -> 0
dqcomp1018 compare 1 1.0000000000000000                   -> 0
dqcomp1019 compare 1 1.000000000000000  -> 0
dqcomp1020 compare 1 1.00000000000000   -> 0
dqcomp1021 compare 1 1.0000000000000    -> 0
dqcomp1022 compare 1 1.000000000000     -> 0
dqcomp1023 compare 1 1.00000000000      -> 0
dqcomp1024 compare 1 1.0000000000       -> 0
dqcomp1025 compare 1 1.000000000        -> 0
dqcomp1026 compare 1 1.00000000         -> 0
dqcomp1027 compare 1 1.0000000          -> 0
dqcomp1028 compare 1 1.000000           -> 0
dqcomp1029 compare 1 1.00000            -> 0
dqcomp1030 compare 1 1.0000             -> 0
dqcomp1031 compare 1 1.000              -> 0
dqcomp1032 compare 1 1.00               -> 0
dqcomp1033 compare 1 1.0                -> 0

dqcomp1041 compare 1.000000000000000000000000000000000  1 -> 0
dqcomp1042 compare 1.00000000000000000000000000000000   1 -> 0
dqcomp1043 compare 1.0000000000000000000000000000000    1 -> 0
dqcomp1044 compare 1.000000000000000000000000000000     1 -> 0
dqcomp1045 compare 1.00000000000000000000000000000      1 -> 0
dqcomp1046 compare 1.0000000000000000000000000000       1 -> 0
dqcomp1047 compare 1.000000000000000000000000000        1 -> 0
dqcomp1048 compare 1.00000000000000000000000000         1 -> 0
dqcomp1049 compare 1.0000000000000000000000000          1 -> 0
dqcomp1050 compare 1.000000000000000000000000           1 -> 0
dqcomp1051 compare 1.00000000000000000000000            1 -> 0
dqcomp1052 compare 1.0000000000000000000000             1 -> 0
dqcomp1053 compare 1.000000000000000000000              1 -> 0
dqcomp1054 compare 1.00000000000000000000               1 -> 0
dqcomp1055 compare 1.0000000000000000000                1 -> 0
dqcomp1056 compare 1.000000000000000000                 1 -> 0
dqcomp1057 compare 1.00000000000000000                  1 -> 0
dqcomp1058 compare 1.0000000000000000                   1 -> 0
dqcomp1059 compare 1.000000000000000  1 -> 0
dqcomp1060 compare 1.00000000000000   1 -> 0
dqcomp1061 compare 1.0000000000000    1 -> 0
dqcomp1062 compare 1.000000000000     1 -> 0
dqcomp1063 compare 1.00000000000      1 -> 0
dqcomp1064 compare 1.0000000000       1 -> 0
dqcomp1065 compare 1.000000000        1 -> 0
dqcomp1066 compare 1.00000000         1 -> 0
dqcomp1067 compare 1.0000000          1 -> 0
dqcomp1068 compare 1.000000           1 -> 0
dqcomp1069 compare 1.00000            1 -> 0
dqcomp1070 compare 1.0000             1 -> 0
dqcomp1071 compare 1.000              1 -> 0
dqcomp1072 compare 1.00               1 -> 0
dqcomp1073 compare 1.0                1 -> 0

-- check MSD always detected non-zero
dqcomp1080 compare 0 0.000000000000000000000000000000000  -> 0
dqcomp1081 compare 0 1.000000000000000000000000000000000  -> -1
dqcomp1082 compare 0 2.000000000000000000000000000000000  -> -1
dqcomp1083 compare 0 3.000000000000000000000000000000000  -> -1
dqcomp1084 compare 0 4.000000000000000000000000000000000  -> -1
dqcomp1085 compare 0 5.000000000000000000000000000000000  -> -1
dqcomp1086 compare 0 6.000000000000000000000000000000000  -> -1
dqcomp1087 compare 0 7.000000000000000000000000000000000  -> -1
dqcomp1088 compare 0 8.000000000000000000000000000000000  -> -1
dqcomp1089 compare 0 9.000000000000000000000000000000000  -> -1
dqcomp1090 compare 0.000000000000000000000000000000000  0 -> 0
dqcomp1091 compare 1.000000000000000000000000000000000  0 -> 1
dqcomp1092 compare 2.000000000000000000000000000000000  0 -> 1
dqcomp1093 compare 3.000000000000000000000000000000000  0 -> 1
dqcomp1094 compare 4.000000000000000000000000000000000  0 -> 1
dqcomp1095 compare 5.000000000000000000000000000000000  0 -> 1
dqcomp1096 compare 6.000000000000000000000000000000000  0 -> 1
dqcomp1097 compare 7.000000000000000000000000000000000  0 -> 1
dqcomp1098 compare 8.000000000000000000000000000000000  0 -> 1
dqcomp1099 compare 9.000000000000000000000000000000000  0 -> 1

-- Null tests
dqcom990 compare 10  # -> NaN Invalid_operation
dqcom991 compare  # 10 -> NaN Invalid_operation