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

-- ddCompare.decTest -- decDouble 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: 2.58

-- 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 decDoubles.

precision:   16

maxExponent: 384

minExponent: -383

extended:    1

clamp:       1

rounding:    half_even

-- sanity checks

ddcom001 compare  -2  -2  -> 0

ddcom002 compare  -2  -1  -> -1

ddcom003 compare  -2   0  -> -1

ddcom004 compare  -2   1  -> -1

ddcom005 compare  -2   2  -> -1

ddcom006 compare  -1  -2  -> 1

ddcom007 compare  -1  -1  -> 0

ddcom008 compare  -1   0  -> -1

ddcom009 compare  -1   1  -> -1

ddcom010 compare  -1   2  -> -1

ddcom011 compare   0  -2  -> 1

ddcom012 compare   0  -1  -> 1

ddcom013 compare   0   0  -> 0

ddcom014 compare   0   1  -> -1

ddcom015 compare   0   2  -> -1

ddcom016 compare   1  -2  -> 1

ddcom017 compare   1  -1  -> 1

ddcom018 compare   1   0  -> 1

ddcom019 compare   1   1  -> 0

ddcom020 compare   1   2  -> -1

ddcom021 compare   2  -2  -> 1

ddcom022 compare   2  -1  -> 1

ddcom023 compare   2   0  -> 1

ddcom025 compare   2   1  -> 1

ddcom026 compare   2   2  -> 0

ddcom031 compare  -20  -20  -> 0

ddcom032 compare  -20  -10  -> -1

ddcom033 compare  -20   00  -> -1

ddcom034 compare  -20   10  -> -1

ddcom035 compare  -20   20  -> -1

ddcom036 compare  -10  -20  -> 1

ddcom037 compare  -10  -10  -> 0

ddcom038 compare  -10   00  -> -1

ddcom039 compare  -10   10  -> -1

ddcom040 compare  -10   20  -> -1

ddcom041 compare   00  -20  -> 1

ddcom042 compare   00  -10  -> 1

ddcom043 compare   00   00  -> 0

ddcom044 compare   00   10  -> -1

ddcom045 compare   00   20  -> -1

ddcom046 compare   10  -20  -> 1

ddcom047 compare   10  -10  -> 1

ddcom048 compare   10   00  -> 1

ddcom049 compare   10   10  -> 0

ddcom050 compare   10   20  -> -1

ddcom051 compare   20  -20  -> 1

ddcom052 compare   20  -10  -> 1

ddcom053 compare   20   00  -> 1

ddcom055 compare   20   10  -> 1

ddcom056 compare   20   20  -> 0

ddcom061 compare  -2.0  -2.0  -> 0

ddcom062 compare  -2.0  -1.0  -> -1

ddcom063 compare  -2.0   0.0  -> -1

ddcom064 compare  -2.0   1.0  -> -1

ddcom065 compare  -2.0   2.0  -> -1

ddcom066 compare  -1.0  -2.0  -> 1

ddcom067 compare  -1.0  -1.0  -> 0

ddcom068 compare  -1.0   0.0  -> -1

ddcom069 compare  -1.0   1.0  -> -1

ddcom070 compare  -1.0   2.0  -> -1

ddcom071 compare   0.0  -2.0  -> 1

ddcom072 compare   0.0  -1.0  -> 1

ddcom073 compare   0.0   0.0  -> 0

ddcom074 compare   0.0   1.0  -> -1

ddcom075 compare   0.0   2.0  -> -1

ddcom076 compare   1.0  -2.0  -> 1

ddcom077 compare   1.0  -1.0  -> 1

ddcom078 compare   1.0   0.0  -> 1

ddcom079 compare   1.0   1.0  -> 0

ddcom080 compare   1.0   2.0  -> -1

ddcom081 compare   2.0  -2.0  -> 1

ddcom082 compare   2.0  -1.0  -> 1

ddcom083 compare   2.0   0.0  -> 1

ddcom085 compare   2.0   1.0  -> 1

ddcom086 compare   2.0   2.0  -> 0

ddcom087 compare   1.0   0.1  -> 1

ddcom088 compare   0.1   1.0  -> -1

-- now some cases which might overflow if subtract were used

ddcom095 compare  9.999999999999999E+384 9.999999999999999E+384  -> 0

ddcom096 compare -9.999999999999999E+384 9.999999999999999E+384  -> -1

ddcom097 compare  9.999999999999999E+384 -9.999999999999999E+384 -> 1

ddcom098 compare -9.999999999999999E+384 -9.999999999999999E+384 -> 0

-- some differing length/exponent cases

ddcom100 compare   7.0    7.0    -> 0

ddcom101 compare   7.0    7      -> 0

ddcom102 compare   7      7.0    -> 0

ddcom103 compare   7E+0   7.0    -> 0

ddcom104 compare   70E-1  7.0    -> 0

ddcom105 compare   0.7E+1 7      -> 0

ddcom106 compare   70E-1  7      -> 0

ddcom107 compare   7.0    7E+0   -> 0

ddcom108 compare   7.0    70E-1  -> 0

ddcom109 compare   7      0.7E+1 -> 0

ddcom110 compare   7      70E-1  -> 0

ddcom120 compare   8.0    7.0    -> 1

ddcom121 compare   8.0    7      -> 1

ddcom122 compare   8      7.0    -> 1

ddcom123 compare   8E+0   7.0    -> 1

ddcom124 compare   80E-1  7.0    -> 1

ddcom125 compare   0.8E+1 7      -> 1

ddcom126 compare   80E-1  7      -> 1

ddcom127 compare   8.0    7E+0   -> 1

ddcom128 compare   8.0    70E-1  -> 1

ddcom129 compare   8      0.7E+1  -> 1

ddcom130 compare   8      70E-1  -> 1

ddcom140 compare   8.0    9.0    -> -1

ddcom141 compare   8.0    9      -> -1

ddcom142 compare   8      9.0    -> -1

ddcom143 compare   8E+0   9.0    -> -1

ddcom144 compare   80E-1  9.0    -> -1

ddcom145 compare   0.8E+1 9      -> -1

ddcom146 compare   80E-1  9      -> -1

ddcom147 compare   8.0    9E+0   -> -1

ddcom148 compare   8.0    90E-1  -> -1

ddcom149 compare   8      0.9E+1 -> -1

ddcom150 compare   8      90E-1  -> -1

-- and again, with sign changes -+ ..

ddcom200 compare  -7.0    7.0    -> -1

ddcom201 compare  -7.0    7      -> -1

ddcom202 compare  -7      7.0    -> -1

ddcom203 compare  -7E+0   7.0    -> -1

ddcom204 compare  -70E-1  7.0    -> -1

ddcom205 compare  -0.7E+1 7      -> -1

ddcom206 compare  -70E-1  7      -> -1

ddcom207 compare  -7.0    7E+0   -> -1

ddcom208 compare  -7.0    70E-1  -> -1

ddcom209 compare  -7      0.7E+1 -> -1

ddcom210 compare  -7      70E-1  -> -1

ddcom220 compare  -8.0    7.0    -> -1

ddcom221 compare  -8.0    7      -> -1

ddcom222 compare  -8      7.0    -> -1

ddcom223 compare  -8E+0   7.0    -> -1

ddcom224 compare  -80E-1  7.0    -> -1

ddcom225 compare  -0.8E+1 7      -> -1

ddcom226 compare  -80E-1  7      -> -1

ddcom227 compare  -8.0    7E+0   -> -1

ddcom228 compare  -8.0    70E-1  -> -1

ddcom229 compare  -8      0.7E+1 -> -1

ddcom230 compare  -8      70E-1  -> -1

ddcom240 compare  -8.0    9.0    -> -1

ddcom241 compare  -8.0    9      -> -1

ddcom242 compare  -8      9.0    -> -1

ddcom243 compare  -8E+0   9.0    -> -1

ddcom244 compare  -80E-1  9.0    -> -1

ddcom245 compare  -0.8E+1 9      -> -1

ddcom246 compare  -80E-1  9      -> -1

ddcom247 compare  -8.0    9E+0   -> -1

ddcom248 compare  -8.0    90E-1  -> -1

ddcom249 compare  -8      0.9E+1 -> -1

ddcom250 compare  -8      90E-1  -> -1

-- and again, with sign changes +- ..

ddcom300 compare   7.0    -7.0    -> 1

ddcom301 compare   7.0    -7      -> 1

ddcom302 compare   7      -7.0    -> 1

ddcom303 compare   7E+0   -7.0    -> 1

ddcom304 compare   70E-1  -7.0    -> 1

ddcom305 compare   .7E+1  -7      -> 1

ddcom306 compare   70E-1  -7      -> 1

ddcom307 compare   7.0    -7E+0   -> 1

ddcom308 compare   7.0    -70E-1  -> 1

ddcom309 compare   7      -.7E+1  -> 1

ddcom310 compare   7      -70E-1  -> 1

ddcom320 compare   8.0    -7.0    -> 1

ddcom321 compare   8.0    -7      -> 1

ddcom322 compare   8      -7.0    -> 1

ddcom323 compare   8E+0   -7.0    -> 1

ddcom324 compare   80E-1  -7.0    -> 1

ddcom325 compare   .8E+1  -7      -> 1

ddcom326 compare   80E-1  -7      -> 1

ddcom327 compare   8.0    -7E+0   -> 1

ddcom328 compare   8.0    -70E-1  -> 1

ddcom329 compare   8      -.7E+1  -> 1

ddcom330 compare   8      -70E-1  -> 1

ddcom340 compare   8.0    -9.0    -> 1

ddcom341 compare   8.0    -9      -> 1

ddcom342 compare   8      -9.0    -> 1

ddcom343 compare   8E+0   -9.0    -> 1

ddcom344 compare   80E-1  -9.0    -> 1

ddcom345 compare   .8E+1  -9      -> 1

ddcom346 compare   80E-1  -9      -> 1

ddcom347 compare   8.0    -9E+0   -> 1

ddcom348 compare   8.0    -90E-1  -> 1

ddcom349 compare   8      -.9E+1  -> 1

ddcom350 compare   8      -90E-1  -> 1

-- and again, with sign changes -- ..

ddcom400 compare   -7.0    -7.0    -> 0

ddcom401 compare   -7.0    -7      -> 0

ddcom402 compare   -7      -7.0    -> 0

ddcom403 compare   -7E+0   -7.0    -> 0

ddcom404 compare   -70E-1  -7.0    -> 0

ddcom405 compare   -.7E+1  -7      -> 0

ddcom406 compare   -70E-1  -7      -> 0

ddcom407 compare   -7.0    -7E+0   -> 0

ddcom408 compare   -7.0    -70E-1  -> 0

ddcom409 compare   -7      -.7E+1  -> 0

ddcom410 compare   -7      -70E-1  -> 0

ddcom420 compare   -8.0    -7.0    -> -1

ddcom421 compare   -8.0    -7      -> -1

ddcom422 compare   -8      -7.0    -> -1

ddcom423 compare   -8E+0   -7.0    -> -1

ddcom424 compare   -80E-1  -7.0    -> -1

ddcom425 compare   -.8E+1  -7      -> -1

ddcom426 compare   -80E-1  -7      -> -1

ddcom427 compare   -8.0    -7E+0   -> -1

ddcom428 compare   -8.0    -70E-1  -> -1

ddcom429 compare   -8      -.7E+1  -> -1

ddcom430 compare   -8      -70E-1  -> -1

ddcom440 compare   -8.0    -9.0    -> 1

ddcom441 compare   -8.0    -9      -> 1

ddcom442 compare   -8      -9.0    -> 1

ddcom443 compare   -8E+0   -9.0    -> 1

ddcom444 compare   -80E-1  -9.0    -> 1

ddcom445 compare   -.8E+1  -9      -> 1

ddcom446 compare   -80E-1  -9      -> 1

ddcom447 compare   -8.0    -9E+0   -> 1

ddcom448 compare   -8.0    -90E-1  -> 1

ddcom449 compare   -8      -.9E+1  -> 1

ddcom450 compare   -8      -90E-1  -> 1

-- misalignment traps for little-endian

ddcom451 compare      1.0       0.1  -> 1

ddcom452 compare      0.1       1.0  -> -1

ddcom453 compare     10.0       0.1  -> 1

ddcom454 compare      0.1      10.0  -> -1

ddcom455 compare      100       1.0  -> 1

ddcom456 compare      1.0       100  -> -1

ddcom457 compare     1000      10.0  -> 1

ddcom458 compare     10.0      1000  -> -1

ddcom459 compare    10000     100.0  -> 1

ddcom460 compare    100.0     10000  -> -1

ddcom461 compare   100000    1000.0  -> 1

ddcom462 compare   1000.0    100000  -> -1

ddcom463 compare  1000000   10000.0  -> 1

ddcom464 compare  10000.0   1000000  -> -1

-- testcases that subtract to lots of zeros at boundaries [pgr]

ddcom473 compare 123.4560000000000E-89 123.456E-89 -> 0

ddcom474 compare 123.456000000000E+89 123.456E+89 -> 0

ddcom475 compare 123.45600000000E-89 123.456E-89 -> 0

ddcom476 compare 123.4560000000E+89 123.456E+89 -> 0

ddcom477 compare 123.456000000E-89 123.456E-89 -> 0

ddcom478 compare 123.45600000E+89 123.456E+89 -> 0

ddcom479 compare 123.4560000E-89 123.456E-89 -> 0

ddcom480 compare 123.456000E+89 123.456E+89 -> 0

ddcom481 compare 123.45600E-89 123.456E-89 -> 0

ddcom482 compare 123.4560E+89 123.456E+89 -> 0

ddcom483 compare 123.456E-89 123.456E-89 -> 0

ddcom487 compare 123.456E+89 123.4560000000000E+89 -> 0

ddcom488 compare 123.456E-89 123.456000000000E-89 -> 0

ddcom489 compare 123.456E+89 123.45600000000E+89 -> 0

ddcom490 compare 123.456E-89 123.4560000000E-89 -> 0

ddcom491 compare 123.456E+89 123.456000000E+89 -> 0

ddcom492 compare 123.456E-89 123.45600000E-89 -> 0

ddcom493 compare 123.456E+89 123.4560000E+89 -> 0

ddcom494 compare 123.456E-89 123.456000E-89 -> 0

ddcom495 compare 123.456E+89 123.45600E+89 -> 0

ddcom496 compare 123.456E-89 123.4560E-89 -> 0

ddcom497 compare 123.456E+89 123.456E+89 -> 0

-- wide-ranging, around precision; signs equal

ddcom500 compare    1     1E-15    -> 1

ddcom501 compare    1     1E-14    -> 1

ddcom502 compare    1     1E-13    -> 1

ddcom503 compare    1     1E-12    -> 1

ddcom504 compare    1     1E-11    -> 1

ddcom505 compare    1     1E-10    -> 1

ddcom506 compare    1     1E-9     -> 1

ddcom507 compare    1     1E-8     -> 1

ddcom508 compare    1     1E-7     -> 1

ddcom509 compare    1     1E-6     -> 1

ddcom510 compare    1     1E-5     -> 1

ddcom511 compare    1     1E-4     -> 1

ddcom512 compare    1     1E-3     -> 1

ddcom513 compare    1     1E-2     -> 1

ddcom514 compare    1     1E-1     -> 1

ddcom515 compare    1     1E-0     -> 0

ddcom516 compare    1     1E+1     -> -1

ddcom517 compare    1     1E+2     -> -1

ddcom518 compare    1     1E+3     -> -1

ddcom519 compare    1     1E+4     -> -1

ddcom521 compare    1     1E+5     -> -1

ddcom522 compare    1     1E+6     -> -1

ddcom523 compare    1     1E+7     -> -1

ddcom524 compare    1     1E+8     -> -1

ddcom525 compare    1     1E+9     -> -1

ddcom526 compare    1     1E+10    -> -1

ddcom527 compare    1     1E+11    -> -1

ddcom528 compare    1     1E+12    -> -1

ddcom529 compare    1     1E+13    -> -1

ddcom530 compare    1     1E+14    -> -1

ddcom531 compare    1     1E+15    -> -1

-- LR swap

ddcom540 compare    1E-15  1       -> -1

ddcom541 compare    1E-14  1       -> -1

ddcom542 compare    1E-13  1       -> -1

ddcom543 compare    1E-12  1       -> -1

ddcom544 compare    1E-11  1       -> -1

ddcom545 compare    1E-10  1       -> -1

ddcom546 compare    1E-9   1       -> -1

ddcom547 compare    1E-8   1       -> -1

ddcom548 compare    1E-7   1       -> -1

ddcom549 compare    1E-6   1       -> -1

ddcom550 compare    1E-5   1       -> -1

ddcom551 compare    1E-4   1       -> -1

ddcom552 compare    1E-3   1       -> -1

ddcom553 compare    1E-2   1       -> -1

ddcom554 compare    1E-1   1       -> -1

ddcom555 compare    1E-0   1       ->  0

ddcom556 compare    1E+1   1       ->  1

ddcom557 compare    1E+2   1       ->  1

ddcom558 compare    1E+3   1       ->  1

ddcom559 compare    1E+4   1       ->  1

ddcom561 compare    1E+5   1       ->  1

ddcom562 compare    1E+6   1       ->  1

ddcom563 compare    1E+7   1       ->  1

ddcom564 compare    1E+8   1       ->  1

ddcom565 compare    1E+9   1       ->  1

ddcom566 compare    1E+10  1       ->  1

ddcom567 compare    1E+11  1       ->  1

ddcom568 compare    1E+12  1       ->  1

ddcom569 compare    1E+13  1       ->  1

ddcom570 compare    1E+14  1       ->  1

ddcom571 compare    1E+15  1       ->  1

-- similar with a useful coefficient, one side only

ddcom580 compare  0.000000987654321     1E-15    -> 1

ddcom581 compare  0.000000987654321     1E-14    -> 1

ddcom582 compare  0.000000987654321     1E-13    -> 1

ddcom583 compare  0.000000987654321     1E-12    -> 1

ddcom584 compare  0.000000987654321     1E-11    -> 1

ddcom585 compare  0.000000987654321     1E-10    -> 1

ddcom586 compare  0.000000987654321     1E-9     -> 1

ddcom587 compare  0.000000987654321     1E-8     -> 1

ddcom588 compare  0.000000987654321     1E-7     -> 1

ddcom589 compare  0.000000987654321     1E-6     -> -1

ddcom590 compare  0.000000987654321     1E-5     -> -1

ddcom591 compare  0.000000987654321     1E-4     -> -1

ddcom592 compare  0.000000987654321     1E-3     -> -1

ddcom593 compare  0.000000987654321     1E-2     -> -1

ddcom594 compare  0.000000987654321     1E-1     -> -1

ddcom595 compare  0.000000987654321     1E-0     -> -1

ddcom596 compare  0.000000987654321     1E+1     -> -1

ddcom597 compare  0.000000987654321     1E+2     -> -1

ddcom598 compare  0.000000987654321     1E+3     -> -1

ddcom599 compare  0.000000987654321     1E+4     -> -1

-- check some unit-y traps

ddcom600 compare   12            12.2345 -> -1

ddcom601 compare   12.0          12.2345 -> -1

ddcom602 compare   12.00         12.2345 -> -1

ddcom603 compare   12.000        12.2345 -> -1

ddcom604 compare   12.0000       12.2345 -> -1

ddcom605 compare   12.00000      12.2345 -> -1

ddcom606 compare   12.000000     12.2345 -> -1

ddcom607 compare   12.0000000    12.2345 -> -1

ddcom608 compare   12.00000000   12.2345 -> -1

ddcom609 compare   12.000000000  12.2345 -> -1

ddcom610 compare   12.1234 12            ->  1

ddcom611 compare   12.1234 12.0          ->  1

ddcom612 compare   12.1234 12.00         ->  1

ddcom613 compare   12.1234 12.000        ->  1

ddcom614 compare   12.1234 12.0000       ->  1

ddcom615 compare   12.1234 12.00000      ->  1

ddcom616 compare   12.1234 12.000000     ->  1

ddcom617 compare   12.1234 12.0000000    ->  1

ddcom618 compare   12.1234 12.00000000   ->  1

ddcom619 compare   12.1234 12.000000000  ->  1

ddcom620 compare  -12           -12.2345 ->  1

ddcom621 compare  -12.0         -12.2345 ->  1

ddcom622 compare  -12.00        -12.2345 ->  1

ddcom623 compare  -12.000       -12.2345 ->  1

ddcom624 compare  -12.0000      -12.2345 ->  1

ddcom625 compare  -12.00000     -12.2345 ->  1

ddcom626 compare  -12.000000    -12.2345 ->  1

ddcom627 compare  -12.0000000   -12.2345 ->  1

ddcom628 compare  -12.00000000  -12.2345 ->  1

ddcom629 compare  -12.000000000 -12.2345 ->  1

ddcom630 compare  -12.1234 -12           -> -1

ddcom631 compare  -12.1234 -12.0         -> -1

ddcom632 compare  -12.1234 -12.00        -> -1

ddcom633 compare  -12.1234 -12.000       -> -1

ddcom634 compare  -12.1234 -12.0000      -> -1

ddcom635 compare  -12.1234 -12.00000     -> -1

ddcom636 compare  -12.1234 -12.000000    -> -1

ddcom637 compare  -12.1234 -12.0000000   -> -1

ddcom638 compare  -12.1234 -12.00000000  -> -1

ddcom639 compare  -12.1234 -12.000000000 -> -1

-- extended zeros

ddcom640 compare   0     0   -> 0

ddcom641 compare   0    -0   -> 0

ddcom642 compare   0    -0.0 -> 0

ddcom643 compare   0     0.0 -> 0

ddcom644 compare  -0     0   -> 0

ddcom645 compare  -0    -0   -> 0

ddcom646 compare  -0    -0.0 -> 0

ddcom647 compare  -0     0.0 -> 0

ddcom648 compare   0.0   0   -> 0

ddcom649 compare   0.0  -0   -> 0

ddcom650 compare   0.0  -0.0 -> 0

ddcom651 compare   0.0   0.0 -> 0

ddcom652 compare  -0.0   0   -> 0

ddcom653 compare  -0.0  -0   -> 0

ddcom654 compare  -0.0  -0.0 -> 0

ddcom655 compare  -0.0   0.0 -> 0

ddcom656 compare  -0E1   0.0 -> 0

ddcom657 compare  -0E2   0.0 -> 0

ddcom658 compare   0E1   0.0 -> 0

ddcom659 compare   0E2   0.0 -> 0

ddcom660 compare  -0E1   0   -> 0

ddcom661 compare  -0E2   0   -> 0

ddcom662 compare   0E1   0   -> 0

ddcom663 compare   0E2   0   -> 0

ddcom664 compare  -0E1  -0E1 -> 0

ddcom665 compare  -0E2  -0E1 -> 0

ddcom666 compare   0E1  -0E1 -> 0

ddcom667 compare   0E2  -0E1 -> 0

ddcom668 compare  -0E1  -0E2 -> 0

ddcom669 compare  -0E2  -0E2 -> 0

ddcom670 compare   0E1  -0E2 -> 0

ddcom671 compare   0E2  -0E2 -> 0

ddcom672 compare  -0E1   0E1 -> 0

ddcom673 compare  -0E2   0E1 -> 0

ddcom674 compare   0E1   0E1 -> 0

ddcom675 compare   0E2   0E1 -> 0

ddcom676 compare  -0E1   0E2 -> 0

ddcom677 compare  -0E2   0E2 -> 0

ddcom678 compare   0E1   0E2 -> 0

ddcom679 compare   0E2   0E2 -> 0

-- trailing zeros; unit-y

ddcom680 compare   12    12           -> 0

ddcom681 compare   12    12.0         -> 0

ddcom682 compare   12    12.00        -> 0

ddcom683 compare   12    12.000       -> 0

ddcom684 compare   12    12.0000      -> 0

ddcom685 compare   12    12.00000     -> 0

ddcom686 compare   12    12.000000    -> 0

ddcom687 compare   12    12.0000000   -> 0

ddcom688 compare   12    12.00000000  -> 0

ddcom689 compare   12    12.000000000 -> 0

ddcom690 compare   12              12 -> 0

ddcom691 compare   12.0            12 -> 0

ddcom692 compare   12.00           12 -> 0

ddcom693 compare   12.000          12 -> 0

ddcom694 compare   12.0000         12 -> 0

ddcom695 compare   12.00000        12 -> 0

ddcom696 compare   12.000000       12 -> 0

ddcom697 compare   12.0000000      12 -> 0

ddcom698 compare   12.00000000     12 -> 0

ddcom699 compare   12.000000000    12 -> 0

-- first, second, & last digit

ddcom700 compare   1234567890123456 1234567890123455 -> 1

ddcom701 compare   1234567890123456 1234567890123456 -> 0

ddcom702 compare   1234567890123456 1234567890123457 -> -1

ddcom703 compare   1234567890123456 0234567890123456 -> 1

ddcom704 compare   1234567890123456 1234567890123456 -> 0

ddcom705 compare   1234567890123456 2234567890123456 -> -1

ddcom706 compare   1134567890123456 1034567890123456 -> 1

ddcom707 compare   1134567890123456 1134567890123456 -> 0

ddcom708 compare   1134567890123456 1234567890123456 -> -1

-- miscellaneous

ddcom721 compare 12345678000 1 -> 1

ddcom722 compare 1 12345678000 -> -1

ddcom723 compare 1234567800  1 -> 1

ddcom724 compare 1 1234567800  -> -1

ddcom725 compare 1234567890  1 -> 1

ddcom726 compare 1 1234567890  -> -1

ddcom727 compare 1234567891  1 -> 1

ddcom728 compare 1 1234567891  -> -1

ddcom729 compare 12345678901 1 -> 1

ddcom730 compare 1 12345678901 -> -1

ddcom731 compare 1234567896  1 -> 1

ddcom732 compare 1 1234567896  -> -1

-- residue cases at lower precision

ddcom740 compare  1  0.9999999  -> 1