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------------------------------------------------------------------------
-- ddCompareSig.decTest -- decDouble comparison; all NaNs signal      --
-- 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 decDoubles.
precision:   16
maxExponent: 384
minExponent: -383
extended:    1
clamp:       1
rounding:    half_even

-- sanity checks
ddcms001 comparesig  -2  -2  -> 0
ddcms002 comparesig  -2  -1  -> -1
ddcms003 comparesig  -2   0  -> -1
ddcms004 comparesig  -2   1  -> -1
ddcms005 comparesig  -2   2  -> -1
ddcms006 comparesig  -1  -2  -> 1
ddcms007 comparesig  -1  -1  -> 0
ddcms008 comparesig  -1   0  -> -1
ddcms009 comparesig  -1   1  -> -1
ddcms010 comparesig  -1   2  -> -1
ddcms011 comparesig   0  -2  -> 1
ddcms012 comparesig   0  -1  -> 1
ddcms013 comparesig   0   0  -> 0
ddcms014 comparesig   0   1  -> -1
ddcms015 comparesig   0   2  -> -1
ddcms016 comparesig   1  -2  -> 1
ddcms017 comparesig   1  -1  -> 1
ddcms018 comparesig   1   0  -> 1
ddcms019 comparesig   1   1  -> 0
ddcms020 comparesig   1   2  -> -1
ddcms021 comparesig   2  -2  -> 1
ddcms022 comparesig   2  -1  -> 1
ddcms023 comparesig   2   0  -> 1
ddcms025 comparesig   2   1  -> 1
ddcms026 comparesig   2   2  -> 0

ddcms031 comparesig  -20  -20  -> 0
ddcms032 comparesig  -20  -10  -> -1
ddcms033 comparesig  -20   00  -> -1
ddcms034 comparesig  -20   10  -> -1
ddcms035 comparesig  -20   20  -> -1
ddcms036 comparesig  -10  -20  -> 1
ddcms037 comparesig  -10  -10  -> 0
ddcms038 comparesig  -10   00  -> -1
ddcms039 comparesig  -10   10  -> -1
ddcms040 comparesig  -10   20  -> -1
ddcms041 comparesig   00  -20  -> 1
ddcms042 comparesig   00  -10  -> 1
ddcms043 comparesig   00   00  -> 0
ddcms044 comparesig   00   10  -> -1
ddcms045 comparesig   00   20  -> -1
ddcms046 comparesig   10  -20  -> 1
ddcms047 comparesig   10  -10  -> 1
ddcms048 comparesig   10   00  -> 1
ddcms049 comparesig   10   10  -> 0
ddcms050 comparesig   10   20  -> -1
ddcms051 comparesig   20  -20  -> 1
ddcms052 comparesig   20  -10  -> 1
ddcms053 comparesig   20   00  -> 1
ddcms055 comparesig   20   10  -> 1
ddcms056 comparesig   20   20  -> 0

ddcms061 comparesig  -2.0  -2.0  -> 0
ddcms062 comparesig  -2.0  -1.0  -> -1
ddcms063 comparesig  -2.0   0.0  -> -1
ddcms064 comparesig  -2.0   1.0  -> -1
ddcms065 comparesig  -2.0   2.0  -> -1
ddcms066 comparesig  -1.0  -2.0  -> 1
ddcms067 comparesig  -1.0  -1.0  -> 0
ddcms068 comparesig  -1.0   0.0  -> -1
ddcms069 comparesig  -1.0   1.0  -> -1
ddcms070 comparesig  -1.0   2.0  -> -1
ddcms071 comparesig   0.0  -2.0  -> 1
ddcms072 comparesig   0.0  -1.0  -> 1
ddcms073 comparesig   0.0   0.0  -> 0
ddcms074 comparesig   0.0   1.0  -> -1
ddcms075 comparesig   0.0   2.0  -> -1
ddcms076 comparesig   1.0  -2.0  -> 1
ddcms077 comparesig   1.0  -1.0  -> 1
ddcms078 comparesig   1.0   0.0  -> 1
ddcms079 comparesig   1.0   1.0  -> 0
ddcms080 comparesig   1.0   2.0  -> -1
ddcms081 comparesig   2.0  -2.0  -> 1
ddcms082 comparesig   2.0  -1.0  -> 1
ddcms083 comparesig   2.0   0.0  -> 1
ddcms085 comparesig   2.0   1.0  -> 1
ddcms086 comparesig   2.0   2.0  -> 0

-- now some cases which might overflow if subtract were used
ddcms090 comparesig  9.999999999999999E+384 9.999999999999999E+384  -> 0
ddcms091 comparesig -9.999999999999999E+384 9.999999999999999E+384  -> -1
ddcms092 comparesig  9.999999999999999E+384 -9.999999999999999E+384 -> 1
ddcms093 comparesig -9.999999999999999E+384 -9.999999999999999E+384 -> 0

-- some differing length/exponent cases
ddcms100 comparesig   7.0    7.0    -> 0
ddcms101 comparesig   7.0    7      -> 0
ddcms102 comparesig   7      7.0    -> 0
ddcms103 comparesig   7E+0   7.0    -> 0
ddcms104 comparesig   70E-1  7.0    -> 0
ddcms105 comparesig   0.7E+1 7      -> 0
ddcms106 comparesig   70E-1  7      -> 0
ddcms107 comparesig   7.0    7E+0   -> 0
ddcms108 comparesig   7.0    70E-1  -> 0
ddcms109 comparesig   7      0.7E+1 -> 0
ddcms110 comparesig   7      70E-1  -> 0

ddcms120 comparesig   8.0    7.0    -> 1
ddcms121 comparesig   8.0    7      -> 1
ddcms122 comparesig   8      7.0    -> 1
ddcms123 comparesig   8E+0   7.0    -> 1
ddcms124 comparesig   80E-1  7.0    -> 1
ddcms125 comparesig   0.8E+1 7      -> 1
ddcms126 comparesig   80E-1  7      -> 1
ddcms127 comparesig   8.0    7E+0   -> 1
ddcms128 comparesig   8.0    70E-1  -> 1
ddcms129 comparesig   8      0.7E+1  -> 1
ddcms130 comparesig   8      70E-1  -> 1

ddcms140 comparesig   8.0    9.0    -> -1
ddcms141 comparesig   8.0    9      -> -1
ddcms142 comparesig   8      9.0    -> -1
ddcms143 comparesig   8E+0   9.0    -> -1
ddcms144 comparesig   80E-1  9.0    -> -1
ddcms145 comparesig   0.8E+1 9      -> -1
ddcms146 comparesig   80E-1  9      -> -1
ddcms147 comparesig   8.0    9E+0   -> -1
ddcms148 comparesig   8.0    90E-1  -> -1
ddcms149 comparesig   8      0.9E+1 -> -1
ddcms150 comparesig   8      90E-1  -> -1

-- and again, with sign changes -+ ..
ddcms200 comparesig  -7.0    7.0    -> -1
ddcms201 comparesig  -7.0    7      -> -1
ddcms202 comparesig  -7      7.0    -> -1
ddcms203 comparesig  -7E+0   7.0    -> -1
ddcms204 comparesig  -70E-1  7.0    -> -1
ddcms205 comparesig  -0.7E+1 7      -> -1
ddcms206 comparesig  -70E-1  7      -> -1
ddcms207 comparesig  -7.0    7E+0   -> -1
ddcms208 comparesig  -7.0    70E-1  -> -1
ddcms209 comparesig  -7      0.7E+1 -> -1
ddcms210 comparesig  -7      70E-1  -> -1

ddcms220 comparesig  -8.0    7.0    -> -1
ddcms221 comparesig  -8.0    7      -> -1
ddcms222 comparesig  -8      7.0    -> -1
ddcms223 comparesig  -8E+0   7.0    -> -1
ddcms224 comparesig  -80E-1  7.0    -> -1
ddcms225 comparesig  -0.8E+1 7      -> -1
ddcms226 comparesig  -80E-1  7      -> -1
ddcms227 comparesig  -8.0    7E+0   -> -1
ddcms228 comparesig  -8.0    70E-1  -> -1
ddcms229 comparesig  -8      0.7E+1 -> -1
ddcms230 comparesig  -8      70E-1  -> -1

ddcms240 comparesig  -8.0    9.0    -> -1
ddcms241 comparesig  -8.0    9      -> -1
ddcms242 comparesig  -8      9.0    -> -1
ddcms243 comparesig  -8E+0   9.0    -> -1
ddcms244 comparesig  -80E-1  9.0    -> -1
ddcms245 comparesig  -0.8E+1 9      -> -1
ddcms246 comparesig  -80E-1  9      -> -1
ddcms247 comparesig  -8.0    9E+0   -> -1
ddcms248 comparesig  -8.0    90E-1  -> -1
ddcms249 comparesig  -8      0.9E+1 -> -1
ddcms250 comparesig  -8      90E-1  -> -1

-- and again, with sign changes +- ..
ddcms300 comparesig   7.0    -7.0    -> 1
ddcms301 comparesig   7.0    -7      -> 1
ddcms302 comparesig   7      -7.0    -> 1
ddcms303 comparesig   7E+0   -7.0    -> 1
ddcms304 comparesig   70E-1  -7.0    -> 1
ddcms305 comparesig   .7E+1  -7      -> 1
ddcms306 comparesig   70E-1  -7      -> 1
ddcms307 comparesig   7.0    -7E+0   -> 1
ddcms308 comparesig   7.0    -70E-1  -> 1
ddcms309 comparesig   7      -.7E+1  -> 1
ddcms310 comparesig   7      -70E-1  -> 1

ddcms320 comparesig   8.0    -7.0    -> 1
ddcms321 comparesig   8.0    -7      -> 1
ddcms322 comparesig   8      -7.0    -> 1
ddcms323 comparesig   8E+0   -7.0    -> 1
ddcms324 comparesig   80E-1  -7.0    -> 1
ddcms325 comparesig   .8E+1  -7      -> 1
ddcms326 comparesig   80E-1  -7      -> 1
ddcms327 comparesig   8.0    -7E+0   -> 1
ddcms328 comparesig   8.0    -70E-1  -> 1
ddcms329 comparesig   8      -.7E+1  -> 1
ddcms330 comparesig   8      -70E-1  -> 1

ddcms340 comparesig   8.0    -9.0    -> 1
ddcms341 comparesig   8.0    -9      -> 1
ddcms342 comparesig   8      -9.0    -> 1
ddcms343 comparesig   8E+0   -9.0    -> 1
ddcms344 comparesig   80E-1  -9.0    -> 1
ddcms345 comparesig   .8E+1  -9      -> 1
ddcms346 comparesig   80E-1  -9      -> 1
ddcms347 comparesig   8.0    -9E+0   -> 1
ddcms348 comparesig   8.0    -90E-1  -> 1
ddcms349 comparesig   8      -.9E+1  -> 1
ddcms350 comparesig   8      -90E-1  -> 1

-- and again, with sign changes -- ..
ddcms400 comparesig   -7.0    -7.0    -> 0
ddcms401 comparesig   -7.0    -7      -> 0
ddcms402 comparesig   -7      -7.0    -> 0
ddcms403 comparesig   -7E+0   -7.0    -> 0
ddcms404 comparesig   -70E-1  -7.0    -> 0
ddcms405 comparesig   -.7E+1  -7      -> 0
ddcms406 comparesig   -70E-1  -7      -> 0
ddcms407 comparesig   -7.0    -7E+0   -> 0
ddcms408 comparesig   -7.0    -70E-1  -> 0
ddcms409 comparesig   -7      -.7E+1  -> 0
ddcms410 comparesig   -7      -70E-1  -> 0

ddcms420 comparesig   -8.0    -7.0    -> -1
ddcms421 comparesig   -8.0    -7      -> -1
ddcms422 comparesig   -8      -7.0    -> -1
ddcms423 comparesig   -8E+0   -7.0    -> -1
ddcms424 comparesig   -80E-1  -7.0    -> -1
ddcms425 comparesig   -.8E+1  -7      -> -1
ddcms426 comparesig   -80E-1  -7      -> -1
ddcms427 comparesig   -8.0    -7E+0   -> -1
ddcms428 comparesig   -8.0    -70E-1  -> -1
ddcms429 comparesig   -8      -.7E+1  -> -1
ddcms430 comparesig   -8      -70E-1  -> -1

ddcms440 comparesig   -8.0    -9.0    -> 1
ddcms441 comparesig   -8.0    -9      -> 1
ddcms442 comparesig   -8      -9.0    -> 1
ddcms443 comparesig   -8E+0   -9.0    -> 1
ddcms444 comparesig   -80E-1  -9.0    -> 1
ddcms445 comparesig   -.8E+1  -9      -> 1
ddcms446 comparesig   -80E-1  -9      -> 1
ddcms447 comparesig   -8.0    -9E+0   -> 1
ddcms448 comparesig   -8.0    -90E-1  -> 1
ddcms449 comparesig   -8      -.9E+1  -> 1
ddcms450 comparesig   -8      -90E-1  -> 1

-- testcases that subtract to lots of zeros at boundaries [pgr]
ddcms473 comparesig 123.4560000000000E-89 123.456E-89 -> 0
ddcms474 comparesig 123.456000000000E+89 123.456E+89 -> 0
ddcms475 comparesig 123.45600000000E-89 123.456E-89 -> 0
ddcms476 comparesig 123.4560000000E+89 123.456E+89 -> 0
ddcms477 comparesig 123.456000000E-89 123.456E-89 -> 0
ddcms478 comparesig 123.45600000E+89 123.456E+89 -> 0
ddcms479 comparesig 123.4560000E-89 123.456E-89 -> 0
ddcms480 comparesig 123.456000E+89 123.456E+89 -> 0
ddcms481 comparesig 123.45600E-89 123.456E-89 -> 0
ddcms482 comparesig 123.4560E+89 123.456E+89 -> 0
ddcms483 comparesig 123.456E-89 123.456E-89 -> 0
ddcms487 comparesig 123.456E+89 123.4560000000000E+89 -> 0
ddcms488 comparesig 123.456E-89 123.456000000000E-89 -> 0
ddcms489 comparesig 123.456E+89 123.45600000000E+89 -> 0
ddcms490 comparesig 123.456E-89 123.4560000000E-89 -> 0
ddcms491 comparesig 123.456E+89 123.456000000E+89 -> 0
ddcms492 comparesig 123.456E-89 123.45600000E-89 -> 0
ddcms493 comparesig 123.456E+89 123.4560000E+89 -> 0
ddcms494 comparesig 123.456E-89 123.456000E-89 -> 0
ddcms495 comparesig 123.456E+89 123.45600E+89 -> 0
ddcms496 comparesig 123.456E-89 123.4560E-89 -> 0
ddcms497 comparesig 123.456E+89 123.456E+89 -> 0

-- wide-ranging, around precision; signs equal
ddcms500 comparesig    1     1E-15    -> 1
ddcms501 comparesig    1     1E-14    -> 1
ddcms502 comparesig    1     1E-13    -> 1
ddcms503 comparesig    1     1E-12    -> 1
ddcms504 comparesig    1     1E-11    -> 1
ddcms505 comparesig    1     1E-10    -> 1
ddcms506 comparesig    1     1E-9     -> 1
ddcms507 comparesig    1     1E-8     -> 1
ddcms508 comparesig    1     1E-7     -> 1
ddcms509 comparesig    1     1E-6     -> 1
ddcms510 comparesig    1     1E-5     -> 1
ddcms511 comparesig    1     1E-4     -> 1
ddcms512 comparesig    1     1E-3     -> 1
ddcms513 comparesig    1     1E-2     -> 1
ddcms514 comparesig    1     1E-1     -> 1
ddcms515 comparesig    1     1E-0     -> 0
ddcms516 comparesig    1     1E+1     -> -1
ddcms517 comparesig    1     1E+2     -> -1
ddcms518 comparesig    1     1E+3     -> -1
ddcms519 comparesig    1     1E+4     -> -1
ddcms521 comparesig    1     1E+5     -> -1
ddcms522 comparesig    1     1E+6     -> -1
ddcms523 comparesig    1     1E+7     -> -1
ddcms524 comparesig    1     1E+8     -> -1
ddcms525 comparesig    1     1E+9     -> -1
ddcms526 comparesig    1     1E+10    -> -1
ddcms527 comparesig    1     1E+11    -> -1
ddcms528 comparesig    1     1E+12    -> -1
ddcms529 comparesig    1     1E+13    -> -1
ddcms530 comparesig    1     1E+14    -> -1
ddcms531 comparesig    1     1E+15    -> -1
-- LR swap
ddcms540 comparesig    1E-15  1       -> -1
ddcms541 comparesig    1E-14  1       -> -1
ddcms542 comparesig    1E-13  1       -> -1
ddcms543 comparesig    1E-12  1       -> -1
ddcms544 comparesig    1E-11  1       -> -1
ddcms545 comparesig    1E-10  1       -> -1
ddcms546 comparesig    1E-9   1       -> -1
ddcms547 comparesig    1E-8   1       -> -1
ddcms548 comparesig    1E-7   1       -> -1
ddcms549 comparesig    1E-6   1       -> -1
ddcms550 comparesig    1E-5   1       -> -1
ddcms551 comparesig    1E-4   1       -> -1
ddcms552 comparesig    1E-3   1       -> -1
ddcms553 comparesig    1E-2   1       -> -1
ddcms554 comparesig    1E-1   1       -> -1
ddcms555 comparesig    1E-0   1       ->  0
ddcms556 comparesig    1E+1   1       ->  1
ddcms557 comparesig    1E+2   1       ->  1
ddcms558 comparesig    1E+3   1       ->  1
ddcms559 comparesig    1E+4   1       ->  1
ddcms561 comparesig    1E+5   1       ->  1
ddcms562 comparesig    1E+6   1       ->  1
ddcms563 comparesig    1E+7   1       ->  1
ddcms564 comparesig    1E+8   1       ->  1
ddcms565 comparesig    1E+9   1       ->  1
ddcms566 comparesig    1E+10  1       ->  1
ddcms567 comparesig    1E+11  1       ->  1
ddcms568 comparesig    1E+12  1       ->  1
ddcms569 comparesig    1E+13  1       ->  1
ddcms570 comparesig    1E+14  1       ->  1
ddcms571 comparesig    1E+15  1       ->  1
-- similar with a useful coefficient, one side only
ddcms580 comparesig  0.000000987654321     1E-15    -> 1
ddcms581 comparesig  0.000000987654321     1E-14    -> 1
ddcms582 comparesig  0.000000987654321     1E-13    -> 1
ddcms583 comparesig  0.000000987654321     1E-12    -> 1
ddcms584 comparesig  0.000000987654321     1E-11    -> 1
ddcms585 comparesig  0.000000987654321     1E-10    -> 1
ddcms586 comparesig  0.000000987654321     1E-9     -> 1
ddcms587 comparesig  0.000000987654321     1E-8     -> 1
ddcms588 comparesig  0.000000987654321     1E-7     -> 1
ddcms589 comparesig  0.000000987654321     1E-6     -> -1
ddcms590 comparesig  0.000000987654321     1E-5     -> -1
ddcms591 comparesig  0.000000987654321     1E-4     -> -1
ddcms592 comparesig  0.000000987654321     1E-3     -> -1
ddcms593 comparesig  0.000000987654321     1E-2     -> -1
ddcms594 comparesig  0.000000987654321     1E-1     -> -1
ddcms595 comparesig  0.000000987654321     1E-0     -> -1
ddcms596 comparesig  0.000000987654321     1E+1     -> -1
ddcms597 comparesig  0.000000987654321     1E+2     -> -1
ddcms598 comparesig  0.000000987654321     1E+3     -> -1
ddcms599 comparesig  0.000000987654321     1E+4     -> -1

-- check some unit-y traps
ddcms600 comparesig   12            12.2345 -> -1
ddcms601 comparesig   12.0          12.2345 -> -1
ddcms602 comparesig   12.00         12.2345 -> -1
ddcms603 comparesig   12.000        12.2345 -> -1
ddcms604 comparesig   12.0000       12.2345 -> -1
ddcms605 comparesig   12.00000      12.2345 -> -1
ddcms606 comparesig   12.000000     12.2345 -> -1
ddcms607 comparesig   12.0000000    12.2345 -> -1
ddcms608 comparesig   12.00000000   12.2345 -> -1
ddcms609 comparesig   12.000000000  12.2345 -> -1
ddcms610 comparesig   12.1234 12            ->  1
ddcms611 comparesig   12.1234 12.0          ->  1
ddcms612 comparesig   12.1234 12.00         ->  1
ddcms613 comparesig   12.1234 12.000        ->  1
ddcms614 comparesig   12.1234 12.0000       ->  1
ddcms615 comparesig   12.1234 12.00000      ->  1
ddcms616 comparesig   12.1234 12.000000     ->  1
ddcms617 comparesig   12.1234 12.0000000    ->  1
ddcms618 comparesig   12.1234 12.00000000   ->  1
ddcms619 comparesig   12.1234 12.000000000  ->  1
ddcms620 comparesig  -12           -12.2345 ->  1
ddcms621 comparesig  -12.0         -12.2345 ->  1
ddcms622 comparesig  -12.00        -12.2345 ->  1
ddcms623 comparesig  -12.000       -12.2345 ->  1
ddcms624 comparesig  -12.0000      -12.2345 ->  1
ddcms625 comparesig  -12.00000     -12.2345 ->  1
ddcms626 comparesig  -12.000000    -12.2345 ->  1
ddcms627 comparesig  -12.0000000   -12.2345 ->  1
ddcms628 comparesig  -12.00000000  -12.2345 ->  1
ddcms629 comparesig  -12.000000000 -12.2345 ->  1
ddcms630 comparesig  -12.1234 -12           -> -1
ddcms631 comparesig  -12.1234 -12.0         -> -1
ddcms632 comparesig  -12.1234 -12.00        -> -1
ddcms633 comparesig  -12.1234 -12.000       -> -1
ddcms634 comparesig  -12.1234 -12.0000      -> -1
ddcms635 comparesig  -12.1234 -12.00000     -> -1
ddcms636 comparesig  -12.1234 -12.000000    -> -1
ddcms637 comparesig  -12.1234 -12.0000000   -> -1
ddcms638 comparesig  -12.1234 -12.00000000  -> -1
ddcms639 comparesig  -12.1234 -12.000000000 -> -1

-- extended zeros
ddcms640 comparesig   0     0   -> 0
ddcms641 comparesig   0    -0   -> 0
ddcms642 comparesig   0    -0.0 -> 0
ddcms643 comparesig   0     0.0 -> 0
ddcms644 comparesig  -0     0   -> 0
ddcms645 comparesig  -0    -0   -> 0
ddcms646 comparesig  -0    -0.0 -> 0
ddcms647 comparesig  -0     0.0 -> 0
ddcms648 comparesig   0.0   0   -> 0
ddcms649 comparesig   0.0  -0   -> 0
ddcms650 comparesig   0.0  -0.0 -> 0
ddcms651 comparesig   0.0   0.0 -> 0
ddcms652 comparesig  -0.0   0   -> 0
ddcms653 comparesig  -0.0  -0   -> 0
ddcms654 comparesig  -0.0  -0.0 -> 0
ddcms655 comparesig  -0.0   0.0 -> 0

ddcms656 comparesig  -0E1   0.0 -> 0
ddcms657 comparesig  -0E2   0.0 -> 0
ddcms658 comparesig   0E1   0.0 -> 0
ddcms659 comparesig   0E2   0.0 -> 0
ddcms660 comparesig  -0E1   0   -> 0
ddcms661 comparesig  -0E2   0   -> 0
ddcms662 comparesig   0E1   0   -> 0
ddcms663 comparesig   0E2   0   -> 0
ddcms664 comparesig  -0E1  -0E1 -> 0
ddcms665 comparesig  -0E2  -0E1 -> 0
ddcms666 comparesig   0E1  -0E1 -> 0
ddcms667 comparesig   0E2  -0E1 -> 0
ddcms668 comparesig  -0E1  -0E2 -> 0
ddcms669 comparesig  -0E2  -0E2 -> 0
ddcms670 comparesig   0E1  -0E2 -> 0
ddcms671 comparesig   0E2  -0E2 -> 0
ddcms672 comparesig  -0E1   0E1 -> 0
ddcms673 comparesig  -0E2   0E1 -> 0
ddcms674 comparesig   0E1   0E1 -> 0
ddcms675 comparesig   0E2   0E1 -> 0
ddcms676 comparesig  -0E1   0E2 -> 0
ddcms677 comparesig  -0E2   0E2 -> 0
ddcms678 comparesig   0E1   0E2 -> 0
ddcms679 comparesig   0E2   0E2 -> 0

-- trailing zeros; unit-y
ddcms680 comparesig   12    12           -> 0
ddcms681 comparesig   12    12.0         -> 0
ddcms682 comparesig   12    12.00        -> 0
ddcms683 comparesig   12    12.000       -> 0
ddcms684 comparesig   12    12.0000      -> 0
ddcms685 comparesig   12    12.00000     -> 0
ddcms686 comparesig   12    12.000000    -> 0
ddcms687 comparesig   12    12.0000000   -> 0
ddcms688 comparesig   12    12.00000000  -> 0
ddcms689 comparesig   12    12.000000000 -> 0
ddcms690 comparesig   12              12 -> 0
ddcms691 comparesig   12.0            12 -> 0
ddcms692 comparesig   12.00           12 -> 0
ddcms693 comparesig   12.000          12 -> 0
ddcms694 comparesig   12.0000         12 -> 0
ddcms695 comparesig   12.00000        12 -> 0
ddcms696 comparesig   12.000000       12 -> 0
ddcms697 comparesig   12.0000000      12 -> 0
ddcms698 comparesig   12.00000000     12 -> 0
ddcms699 comparesig   12.000000000    12 -> 0

-- first, second, & last digit
ddcms700 comparesig   1234567890123456 1234567890123455 -> 1
ddcms701 comparesig   1234567890123456 1234567890123456 -> 0
ddcms702 comparesig   1234567890123456 1234567890123457 -> -1
ddcms703 comparesig   1234567890123456 0234567890123456 -> 1
ddcms704 comparesig   1234567890123456 1234567890123456 -> 0
ddcms705 comparesig   1234567890123456 2234567890123456 -> -1
ddcms706 comparesig   1134567890123456 1034567890123456 -> 1
ddcms707 comparesig   1134567890123456 1134567890123456 -> 0
ddcms708 comparesig   1134567890123456 1234567890123456 -> -1

-- miscellaneous
ddcms721 comparesig 12345678000 1 -> 1
ddcms722 comparesig 1 12345678000 -> -1
ddcms723 comparesig 1234567800  1 -> 1
ddcms724 comparesig 1 1234567800  -> -1
ddcms725 comparesig 1234567890  1 -> 1
ddcms726 comparesig 1 1234567890  -> -1
ddcms727 comparesig 1234567891  1 -> 1
ddcms728 comparesig 1 1234567891  -> -1
ddcms729 comparesig 12345678901 1 -> 1
ddcms730 comparesig 1 12345678901 -> -1
ddcms731 comparesig 1234567896  1 -> 1
ddcms732 comparesig 1 1234567896  -> -1

-- residue cases at lower precision
ddcms740 comparesig  1  0.9999999  -> 1
ddcms741 comparesig  1  0.999999   -> 1
ddcms742 comparesig  1  0.99999    -> 1
ddcms743 comparesig  1  1.0000     -> 0
ddcms744 comparesig  1  1.00001    -> -1
ddcms745 comparesig  1  1.000001   -> -1
ddcms746 comparesig  1  1.0000001  -> -1
ddcms750 comparesig  0.9999999  1  -> -1
ddcms751 comparesig  0.999999   1  -> -1
ddcms752 comparesig  0.99999    1  -> -1
ddcms753 comparesig  1.0000     1  -> 0
ddcms754 comparesig  1.00001    1  -> 1
ddcms755 comparesig  1.000001   1  -> 1
ddcms756 comparesig  1.0000001  1  -> 1

-- Specials
ddcms780 comparesig  Inf  -Inf   ->  1
ddcms781 comparesig  Inf  -1000  ->  1
ddcms782 comparesig  Inf  -1     ->  1
ddcms783 comparesig  Inf  -0     ->  1
ddcms784 comparesig  Inf   0     ->  1
ddcms785 comparesig  Inf   1     ->  1
ddcms786 comparesig  Inf   1000  ->  1
ddcms787 comparesig  Inf   Inf   ->  0
ddcms788 comparesig -1000  Inf   -> -1
ddcms789 comparesig -Inf   Inf   -> -1
ddcms790 comparesig -1     Inf   -> -1
ddcms791 comparesig -0     Inf   -> -1
ddcms792 comparesig  0     Inf   -> -1
ddcms793 comparesig  1     Inf   -> -1
ddcms794 comparesig  1000  Inf   -> -1
ddcms795 comparesig  Inf   Inf   ->  0

ddcms800 comparesig -Inf  -Inf   ->  0
ddcms801 comparesig -Inf  -1000  -> -1
ddcms802 comparesig -Inf  -1     -> -1
ddcms803 comparesig -Inf  -0     -> -1
ddcms804 comparesig -Inf   0     -> -1
ddcms805 comparesig -Inf   1     -> -1
ddcms806 comparesig -Inf   1000  -> -1
ddcms807 comparesig -Inf   Inf   -> -1
ddcms808 comparesig -Inf  -Inf   ->  0
ddcms809 comparesig -1000 -Inf   ->  1
ddcms810 comparesig -1    -Inf   ->  1
ddcms811 comparesig -0    -Inf   ->  1
ddcms812 comparesig  0    -Inf   ->  1
ddcms813 comparesig  1    -Inf   ->  1
ddcms814 comparesig  1000 -Inf   ->  1
ddcms815 comparesig  Inf  -Inf   ->  1

ddcms821 comparesig  NaN -Inf    ->  NaN  Invalid_operation
ddcms822 comparesig  NaN -1000   ->  NaN  Invalid_operation
ddcms823 comparesig  NaN -1      ->  NaN  Invalid_operation
ddcms824 comparesig  NaN -0      ->  NaN  Invalid_operation
ddcms825 comparesig  NaN  0      ->  NaN  Invalid_operation
ddcms826 comparesig  NaN  1      ->  NaN  Invalid_operation
ddcms827 comparesig  NaN  1000   ->  NaN  Invalid_operation
ddcms828 comparesig  NaN  Inf    ->  NaN  Invalid_operation
ddcms829 comparesig  NaN  NaN    ->  NaN  Invalid_operation
ddcms830 comparesig -Inf  NaN    ->  NaN  Invalid_operation
ddcms831 comparesig -1000 NaN    ->  NaN  Invalid_operation
ddcms832 comparesig -1    NaN    ->  NaN  Invalid_operation
ddcms833 comparesig -0    NaN    ->  NaN  Invalid_operation
ddcms834 comparesig  0    NaN    ->  NaN  Invalid_operation
ddcms835 comparesig  1    NaN    ->  NaN  Invalid_operation
ddcms836 comparesig  1000 NaN    ->  NaN  Invalid_operation
ddcms837 comparesig  Inf  NaN    ->  NaN  Invalid_operation
ddcms838 comparesig -NaN -NaN    -> -NaN  Invalid_operation
ddcms839 comparesig +NaN -NaN    ->  NaN  Invalid_operation
ddcms840 comparesig -NaN +NaN    -> -NaN  Invalid_operation

ddcms841 comparesig  sNaN -Inf   ->  NaN  Invalid_operation
ddcms842 comparesig  sNaN -1000  ->  NaN  Invalid_operation
ddcms843 comparesig  sNaN -1     ->  NaN  Invalid_operation
ddcms844 comparesig  sNaN -0     ->  NaN  Invalid_operation
ddcms845 comparesig  sNaN  0     ->  NaN  Invalid_operation
ddcms846 comparesig  sNaN  1     ->  NaN  Invalid_operation
ddcms847 comparesig  sNaN  1000  ->  NaN  Invalid_operation
ddcms848 comparesig  sNaN  NaN   ->  NaN  Invalid_operation
ddcms849 comparesig  sNaN sNaN   ->  NaN  Invalid_operation
ddcms850 comparesig  NaN  sNaN   ->  NaN  Invalid_operation
ddcms851 comparesig -Inf  sNaN   ->  NaN  Invalid_operation
ddcms852 comparesig -1000 sNaN   ->  NaN  Invalid_operation
ddcms853 comparesig -1    sNaN   ->  NaN  Invalid_operation
ddcms854 comparesig -0    sNaN   ->  NaN  Invalid_operation
ddcms855 comparesig  0    sNaN   ->  NaN  Invalid_operation
ddcms856 comparesig  1    sNaN   ->  NaN  Invalid_operation
ddcms857 comparesig  1000 sNaN   ->  NaN  Invalid_operation
ddcms858 comparesig  Inf  sNaN   ->  NaN  Invalid_operation
ddcms859 comparesig  NaN  sNaN   ->  NaN  Invalid_operation

-- propagating NaNs
ddcms860 comparesig  NaN9 -Inf   ->  NaN9   Invalid_operation
ddcms861 comparesig  NaN8  999   ->  NaN8   Invalid_operation
ddcms862 comparesig  NaN77 Inf   ->  NaN77  Invalid_operation
ddcms863 comparesig -NaN67 NaN5  -> -NaN67  Invalid_operation
ddcms864 comparesig -Inf  -NaN4  -> -NaN4   Invalid_operation
ddcms865 comparesig -999  -NaN33 -> -NaN33  Invalid_operation
ddcms866 comparesig  Inf   NaN2  ->  NaN2   Invalid_operation
ddcms867 comparesig -NaN41 -NaN42 -> -NaN41 Invalid_operation
ddcms868 comparesig +NaN41 -NaN42 ->  NaN41 Invalid_operation
ddcms869 comparesig -NaN41 +NaN42 -> -NaN41 Invalid_operation
ddcms870 comparesig +NaN41 +NaN42 ->  NaN41 Invalid_operation

ddcms871 comparesig -sNaN99 -Inf    -> -NaN99 Invalid_operation
ddcms872 comparesig  sNaN98 -11     ->  NaN98 Invalid_operation
ddcms873 comparesig  sNaN97  NaN    ->  NaN97 Invalid_operation
ddcms874 comparesig  sNaN16 sNaN94  ->  NaN16 Invalid_operation
ddcms875 comparesig  NaN85  sNaN83  ->  NaN83 Invalid_operation
ddcms876 comparesig -Inf    sNaN92  ->  NaN92 Invalid_operation
ddcms877 comparesig  088    sNaN81  ->  NaN81 Invalid_operation
ddcms878 comparesig  Inf    sNaN90  ->  NaN90 Invalid_operation
ddcms879 comparesig  NaN   -sNaN89  -> -NaN89 Invalid_operation

-- wide range
ddcms880 comparesig +1.23456789012345E-0 9E+384 -> -1
ddcms881 comparesig 9E+384 +1.23456789012345E-0 ->  1
ddcms882 comparesig +0.100 9E-383               ->  1
ddcms883 comparesig 9E-383 +0.100               -> -1
ddcms885 comparesig -1.23456789012345E-0 9E+384 -> -1
ddcms886 comparesig 9E+384 -1.23456789012345E-0 ->  1
ddcms887 comparesig -0.100 9E-383               -> -1
ddcms888 comparesig 9E-383 -0.100               ->  1

-- signs
ddcms901 comparesig  1e+77  1e+11 ->  1
ddcms902 comparesig  1e+77 -1e+11 ->  1
ddcms903 comparesig -1e+77  1e+11 -> -1
ddcms904 comparesig -1e+77 -1e+11 -> -1
ddcms905 comparesig  1e-77  1e-11 -> -1
ddcms906 comparesig  1e-77 -1e-11 ->  1
ddcms907 comparesig -1e-77  1e-11 -> -1
ddcms908 comparesig -1e-77 -1e-11 ->  1

-- Null tests
ddcms990 comparesig 10  # -> NaN Invalid_operation
ddcms991 comparesig  # 10 -> NaN Invalid_operation

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