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✏️ Editing: min.decTest

------------------------------------------------------------------------
-- min.decTest -- decimal minimum                                     --
-- 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

-- we assume that base comparison is tested in compare.decTest, so
-- these mainly cover special cases and rounding

extended:    1
precision:   9
rounding:    half_up
maxExponent: 384
minexponent: -383

-- sanity checks
mnmx001 min  -2  -2  -> -2
mnmx002 min  -2  -1  -> -2
mnmx003 min  -2   0  -> -2
mnmx004 min  -2   1  -> -2
mnmx005 min  -2   2  -> -2
mnmx006 min  -1  -2  -> -2
mnmx007 min  -1  -1  -> -1
mnmx008 min  -1   0  -> -1
mnmx009 min  -1   1  -> -1
mnmx010 min  -1   2  -> -1
mnmx011 min   0  -2  -> -2
mnmx012 min   0  -1  -> -1
mnmx013 min   0   0  ->  0
mnmx014 min   0   1  ->  0
mnmx015 min   0   2  ->  0
mnmx016 min   1  -2  -> -2
mnmx017 min   1  -1  -> -1
mnmx018 min   1   0  ->  0
mnmx019 min   1   1  ->  1
mnmx020 min   1   2  ->  1
mnmx021 min   2  -2  -> -2
mnmx022 min   2  -1  -> -1
mnmx023 min   2   0  ->  0
mnmx025 min   2   1  ->  1
mnmx026 min   2   2  ->  2

-- extended zeros
mnmx030 min   0     0   ->  0
mnmx031 min   0    -0   -> -0
mnmx032 min   0    -0.0 -> -0.0
mnmx033 min   0     0.0 ->  0.0
mnmx034 min  -0     0   -> -0
mnmx035 min  -0    -0   -> -0
mnmx036 min  -0    -0.0 -> -0
mnmx037 min  -0     0.0 -> -0
mnmx038 min   0.0   0   ->  0.0
mnmx039 min   0.0  -0   -> -0
mnmx040 min   0.0  -0.0 -> -0.0
mnmx041 min   0.0   0.0 ->  0.0
mnmx042 min  -0.0   0   -> -0.0
mnmx043 min  -0.0  -0   -> -0
mnmx044 min  -0.0  -0.0 -> -0.0
mnmx045 min  -0.0   0.0 -> -0.0

mnmx046 min   0E1  -0E1 -> -0E+1
mnmx047 min  -0E1   0E2 -> -0E+1
mnmx048 min   0E2   0E1 ->  0E+1
mnmx049 min   0E1   0E2 ->  0E+1
mnmx050 min  -0E3  -0E2 -> -0E+3
mnmx051 min  -0E2  -0E3 -> -0E+3

-- Specials
precision: 9
mnmx090 min  Inf  -Inf   -> -Infinity
mnmx091 min  Inf  -1000  -> -1000
mnmx092 min  Inf  -1     -> -1
mnmx093 min  Inf  -0     -> -0
mnmx094 min  Inf   0     ->  0
mnmx095 min  Inf   1     ->  1
mnmx096 min  Inf   1000  ->  1000
mnmx097 min  Inf   Inf   ->  Infinity
mnmx098 min -1000  Inf   -> -1000
mnmx099 min -Inf   Inf   -> -Infinity
mnmx100 min -1     Inf   -> -1
mnmx101 min -0     Inf   -> -0
mnmx102 min  0     Inf   ->  0
mnmx103 min  1     Inf   ->  1
mnmx104 min  1000  Inf   ->  1000
mnmx105 min  Inf   Inf   ->  Infinity

mnmx120 min -Inf  -Inf   -> -Infinity
mnmx121 min -Inf  -1000  -> -Infinity
mnmx122 min -Inf  -1     -> -Infinity
mnmx123 min -Inf  -0     -> -Infinity
mnmx124 min -Inf   0     -> -Infinity
mnmx125 min -Inf   1     -> -Infinity
mnmx126 min -Inf   1000  -> -Infinity
mnmx127 min -Inf   Inf   -> -Infinity
mnmx128 min -Inf  -Inf   -> -Infinity
mnmx129 min -1000 -Inf   -> -Infinity
mnmx130 min -1    -Inf   -> -Infinity
mnmx131 min -0    -Inf   -> -Infinity
mnmx132 min  0    -Inf   -> -Infinity
mnmx133 min  1    -Inf   -> -Infinity
mnmx134 min  1000 -Inf   -> -Infinity
mnmx135 min  Inf  -Inf   -> -Infinity

-- 2004.08.02 754r chooses number over NaN in mixed cases
mnmx141 min  NaN -Inf    ->  -Infinity
mnmx142 min  NaN -1000   ->  -1000
mnmx143 min  NaN -1      ->  -1
mnmx144 min  NaN -0      ->  -0
mnmx145 min  NaN  0      ->  0
mnmx146 min  NaN  1      ->  1
mnmx147 min  NaN  1000   ->  1000
mnmx148 min  NaN  Inf    ->  Infinity
mnmx149 min  NaN  NaN    ->  NaN
mnmx150 min -Inf  NaN    -> -Infinity
mnmx151 min -1000 NaN    -> -1000
mnmx152 min -1   -NaN    -> -1
mnmx153 min -0    NaN    -> -0
mnmx154 min  0   -NaN    ->  0
mnmx155 min  1    NaN    ->  1
mnmx156 min  1000 NaN    ->  1000
mnmx157 min  Inf  NaN    ->  Infinity

mnmx161 min  sNaN -Inf   ->  NaN  Invalid_operation
mnmx162 min  sNaN -1000  ->  NaN  Invalid_operation
mnmx163 min  sNaN -1     ->  NaN  Invalid_operation
mnmx164 min  sNaN -0     ->  NaN  Invalid_operation
mnmx165 min -sNaN  0     -> -NaN  Invalid_operation
mnmx166 min -sNaN  1     -> -NaN  Invalid_operation
mnmx167 min  sNaN  1000  ->  NaN  Invalid_operation
mnmx168 min  sNaN  NaN   ->  NaN  Invalid_operation
mnmx169 min  sNaN sNaN   ->  NaN  Invalid_operation
mnmx170 min  NaN  sNaN   ->  NaN  Invalid_operation
mnmx171 min -Inf  sNaN   ->  NaN  Invalid_operation
mnmx172 min -1000 sNaN   ->  NaN  Invalid_operation
mnmx173 min -1    sNaN   ->  NaN  Invalid_operation
mnmx174 min -0    sNaN   ->  NaN  Invalid_operation
mnmx175 min  0    sNaN   ->  NaN  Invalid_operation
mnmx176 min  1    sNaN   ->  NaN  Invalid_operation
mnmx177 min  1000 sNaN   ->  NaN  Invalid_operation
mnmx178 min  Inf  sNaN   ->  NaN  Invalid_operation
mnmx179 min  NaN  sNaN   ->  NaN  Invalid_operation

-- propagating NaNs
mnmx181 min  NaN9   -Inf   -> -Infinity
mnmx182 min -NaN8    9990  ->  9990
mnmx183 min  NaN71   Inf   ->  Infinity

mnmx184 min  NaN1    NaN54 ->  NaN1
mnmx185 min  NaN22  -NaN53 ->  NaN22
mnmx186 min -NaN3    NaN6  -> -NaN3
mnmx187 min -NaN44   NaN7  -> -NaN44

mnmx188 min -Inf     NaN41 -> -Infinity
mnmx189 min -9999   -NaN33 -> -9999
mnmx190 min  Inf     NaN2  ->  Infinity

mnmx191 min  sNaN99 -Inf    ->  NaN99 Invalid_operation
mnmx192 min  sNaN98 -11     ->  NaN98 Invalid_operation
mnmx193 min -sNaN97  NaN8   -> -NaN97 Invalid_operation
mnmx194 min  sNaN69 sNaN94  ->  NaN69 Invalid_operation
mnmx195 min  NaN95  sNaN93  ->  NaN93 Invalid_operation
mnmx196 min -Inf    sNaN92  ->  NaN92 Invalid_operation
mnmx197 min  088    sNaN91  ->  NaN91 Invalid_operation
mnmx198 min  Inf   -sNaN90  -> -NaN90 Invalid_operation
mnmx199 min  NaN    sNaN86  ->  NaN86 Invalid_operation

-- rounding checks -- chosen is rounded, or not
maxExponent: 999
minexponent: -999
precision: 9
mnmx201 min -12345678000 1  -> -1.23456780E+10 Rounded
mnmx202 min 1 -12345678000  -> -1.23456780E+10 Rounded
mnmx203 min -1234567800  1  -> -1.23456780E+9 Rounded
mnmx204 min 1 -1234567800   -> -1.23456780E+9 Rounded
mnmx205 min -1234567890  1  -> -1.23456789E+9 Rounded
mnmx206 min 1 -1234567890   -> -1.23456789E+9 Rounded
mnmx207 min -1234567891  1  -> -1.23456789E+9 Inexact Rounded
mnmx208 min 1 -1234567891   -> -1.23456789E+9 Inexact Rounded
mnmx209 min -12345678901 1  -> -1.23456789E+10 Inexact Rounded
mnmx210 min 1 -12345678901  -> -1.23456789E+10 Inexact Rounded
mnmx211 min -1234567896  1  -> -1.23456790E+9 Inexact Rounded
mnmx212 min 1 -1234567896   -> -1.23456790E+9 Inexact Rounded
mnmx213 min 1234567891  1   -> 1
mnmx214 min 1 1234567891    -> 1
mnmx215 min 12345678901 1   -> 1
mnmx216 min 1 12345678901   -> 1
mnmx217 min 1234567896  1   -> 1
mnmx218 min 1 1234567896    -> 1

precision: 15
mnmx221 min -12345678000 1  -> -12345678000
mnmx222 min 1 -12345678000  -> -12345678000
mnmx223 min -1234567800  1  -> -1234567800
mnmx224 min 1 -1234567800   -> -1234567800
mnmx225 min -1234567890  1  -> -1234567890
mnmx226 min 1 -1234567890   -> -1234567890
mnmx227 min -1234567891  1  -> -1234567891
mnmx228 min 1 -1234567891   -> -1234567891
mnmx229 min -12345678901 1  -> -12345678901
mnmx230 min 1 -12345678901  -> -12345678901
mnmx231 min -1234567896  1  -> -1234567896
mnmx232 min 1 -1234567896   -> -1234567896
mnmx233 min 1234567891  1   -> 1
mnmx234 min 1 1234567891    -> 1
mnmx235 min 12345678901 1   -> 1
mnmx236 min 1 12345678901   -> 1
mnmx237 min 1234567896  1   -> 1
mnmx238 min 1 1234567896    -> 1

-- from examples
mnmx280 min '3'   '2'  ->  '2'
mnmx281 min '-10' '3'  ->  '-10'
mnmx282 min '1.0' '1'  ->  '1.0'
mnmx283 min '1' '1.0'  ->  '1.0'
mnmx284 min '7' 'NaN'  ->  '7'

-- overflow and underflow tests .. subnormal results [inputs] now allowed
maxExponent: 999999999
minexponent: -999999999
mnmx330 min -1.23456789012345E-0 -9E+999999999 -> -9E+999999999
mnmx331 min -9E+999999999 -1.23456789012345E-0 -> -9E+999999999
mnmx332 min -0.100 -9E-999999999               -> -0.100
mnmx333 min -9E-999999999 -0.100               -> -0.100
mnmx335 min +1.23456789012345E-0 -9E+999999999 -> -9E+999999999
mnmx336 min -9E+999999999 1.23456789012345E-0  -> -9E+999999999
mnmx337 min +0.100 -9E-999999999               -> -9E-999999999
mnmx338 min -9E-999999999 0.100                -> -9E-999999999

mnmx339 min -1e-599999999 -1e-400000001   ->  -1E-400000001
mnmx340 min -1e-599999999 -1e-400000000   ->  -1E-400000000
mnmx341 min -1e-600000000 -1e-400000000   ->  -1E-400000000
mnmx342 min -9e-999999998 -0.01           ->  -0.01
mnmx343 min -9e-999999998 -0.1            ->  -0.1
mnmx344 min -0.01         -9e-999999998   ->  -0.01
mnmx345 min -1e599999999  -1e400000001    ->  -1E+599999999
mnmx346 min -1e599999999  -1e400000000    ->  -1E+599999999
mnmx347 min -1e600000000  -1e400000000    ->  -1E+600000000
mnmx348 min -9e999999998  -100            ->  -9E+999999998
mnmx349 min -9e999999998  -10             ->  -9E+999999998
mnmx350 min -100          -9e999999998    ->  -9E+999999998
-- signs
mnmx351 min -1e+777777777 -1e+411111111 -> -1E+777777777
mnmx352 min -1e+777777777 +1e+411111111 -> -1E+777777777
mnmx353 min +1e+777777777 -1e+411111111 -> -1E+411111111
mnmx354 min +1e+777777777 +1e+411111111 ->  1E+411111111
mnmx355 min -1e-777777777 -1e-411111111 -> -1E-411111111
mnmx356 min -1e-777777777 +1e-411111111 -> -1E-777777777
mnmx357 min +1e-777777777 -1e-411111111 -> -1E-411111111
mnmx358 min +1e-777777777 +1e-411111111 ->  1E-777777777

-- expanded list from min/max 754r purple prose
-- [explicit tests for exponent ordering]
mnmx401 min  Inf    1.1     ->  1.1
mnmx402 min  1.1    1       ->  1
mnmx403 min  1      1.0     ->  1.0
mnmx404 min  1.0    0.1     ->  0.1
mnmx405 min  0.1    0.10    ->  0.10
mnmx406 min  0.10   0.100   ->  0.100
mnmx407 min  0.10   0       ->  0
mnmx408 min  0      0.0     ->  0.0
mnmx409 min  0.0   -0       -> -0
mnmx410 min  0.0   -0.0     -> -0.0
mnmx411 min  0.00  -0.0     -> -0.0
mnmx412 min  0.0   -0.00    -> -0.00
mnmx413 min  0     -0.0     -> -0.0
mnmx414 min  0     -0       -> -0
mnmx415 min -0.0   -0       -> -0
mnmx416 min -0     -0.100   -> -0.100
mnmx417 min -0.100 -0.10    -> -0.10
mnmx418 min -0.10  -0.1     -> -0.1
mnmx419 min -0.1   -1.0     -> -1.0
mnmx420 min -1.0   -1       -> -1
mnmx421 min -1     -1.1     -> -1.1
mnmx423 min -1.1   -Inf     -> -Infinity
-- same with operands reversed
mnmx431 min  1.1    Inf     ->  1.1
mnmx432 min  1      1.1     ->  1
mnmx433 min  1.0    1       ->  1.0
mnmx434 min  0.1    1.0     ->  0.1
mnmx435 min  0.10   0.1     ->  0.10
mnmx436 min  0.100  0.10    ->  0.100
mnmx437 min  0      0.10    ->  0
mnmx438 min  0.0    0       ->  0.0
mnmx439 min -0      0.0     -> -0
mnmx440 min -0.0    0.0     -> -0.0
mnmx441 min -0.0    0.00    -> -0.0
mnmx442 min -0.00   0.0     -> -0.00
mnmx443 min -0.0    0       -> -0.0
mnmx444 min -0      0       -> -0
mnmx445 min -0     -0.0     -> -0
mnmx446 min -0.100 -0       -> -0.100
mnmx447 min -0.10  -0.100   -> -0.10
mnmx448 min -0.1   -0.10    -> -0.1
mnmx449 min -1.0   -0.1     -> -1.0
mnmx450 min -1     -1.0     -> -1
mnmx451 min -1.1   -1       -> -1.1
mnmx453 min -Inf   -1.1     -> -Infinity
-- largies
mnmx460 min  1000   1E+3    ->  1000
mnmx461 min  1E+3   1000    ->  1000
mnmx462 min  1000  -1E+3    -> -1E+3
mnmx463 min  1E+3  -1000    -> -1000
mnmx464 min -1000   1E+3    -> -1000
mnmx465 min -1E+3   1000    -> -1E+3
mnmx466 min -1000  -1E+3    -> -1E+3
mnmx467 min -1E+3  -1000    -> -1E+3

-- rounding (results treated as though plus)
maxexponent: 999999999
minexponent: -999999999
precision: 3

mnmx470 min  1      5      ->  1
mnmx471 min  10     50     ->  10
mnmx472 min  100    500    ->  100
mnmx473 min  1000   5000   ->  1.00E+3 Rounded
mnmx474 min  10000  50000  ->  1.00E+4 Rounded
mnmx475 min  6      50     ->  6
mnmx476 min  66     500    ->  66
mnmx477 min  666    5000   ->  666
mnmx478 min  6666   50000  ->  6.67E+3 Rounded Inexact
mnmx479 min  66666  500000 ->  6.67E+4 Rounded Inexact
mnmx480 min  33333  500000 ->  3.33E+4 Rounded Inexact
mnmx481 min  75401  1      ->  1
mnmx482 min  75402  10     ->  10
mnmx483 min  75403  100    ->  100
mnmx484 min  75404  1000   ->  1.00E+3 Rounded
mnmx485 min  75405  10000  ->  1.00E+4 Rounded
mnmx486 min  75406  6      ->  6
mnmx487 min  75407  66     ->  66
mnmx488 min  75408  666    ->  666
mnmx489 min  75409  6666   ->  6.67E+3 Rounded Inexact
mnmx490 min  75410  66666  ->  6.67E+4 Rounded Inexact
mnmx491 min  75411  33333  ->  3.33E+4 Rounded Inexact

-- overflow tests
maxexponent: 999999999
minexponent: -999999999
precision: 3
mnmx500 min 9.999E+999999999  0 ->  0
mnmx501 min -9.999E+999999999 0 -> -Infinity Inexact Overflow Rounded

-- subnormals and underflow
precision: 3
maxexponent: 999
minexponent: -999
mnmx510 min  1.00E-999       0  ->   0
mnmx511 min  0.1E-999        0  ->   0
mnmx512 min  0.10E-999       0  ->   0
mnmx513 min  0.100E-999      0  ->   0
mnmx514 min  0.01E-999       0  ->   0
mnmx515 min  0.999E-999      0  ->   0
mnmx516 min  0.099E-999      0  ->   0
mnmx517 min  0.009E-999      0  ->   0
mnmx518 min  0.001E-999      0  ->   0
mnmx519 min  0.0009E-999     0  ->   0
mnmx520 min  0.0001E-999     0  ->   0

mnmx530 min -1.00E-999       0  ->  -1.00E-999
mnmx531 min -0.1E-999        0  ->  -1E-1000   Subnormal
mnmx532 min -0.10E-999       0  ->  -1.0E-1000 Subnormal
mnmx533 min -0.100E-999      0  ->  -1.0E-1000 Subnormal Rounded
mnmx534 min -0.01E-999       0  ->  -1E-1001   Subnormal
-- next is rounded to Nmin
mnmx535 min -0.999E-999      0  ->  -1.00E-999 Inexact Rounded Subnormal Underflow
mnmx536 min -0.099E-999      0  ->  -1.0E-1000 Inexact Rounded Subnormal Underflow
mnmx537 min -0.009E-999      0  ->  -1E-1001   Inexact Rounded Subnormal Underflow
mnmx538 min -0.001E-999      0  ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped
mnmx539 min -0.0009E-999     0  ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped
mnmx540 min -0.0001E-999     0  ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped

-- misalignment traps for little-endian
precision: 9
mnmx551 min      1.0       0.1  -> 0.1
mnmx552 min      0.1       1.0  -> 0.1
mnmx553 min     10.0       0.1  -> 0.1
mnmx554 min      0.1      10.0  -> 0.1
mnmx555 min      100       1.0  -> 1.0
mnmx556 min      1.0       100  -> 1.0
mnmx557 min     1000      10.0  -> 10.0
mnmx558 min     10.0      1000  -> 10.0
mnmx559 min    10000     100.0  -> 100.0
mnmx560 min    100.0     10000  -> 100.0
mnmx561 min   100000    1000.0  -> 1000.0
mnmx562 min   1000.0    100000  -> 1000.0
mnmx563 min  1000000   10000.0  -> 10000.0
mnmx564 min  10000.0   1000000  -> 10000.0

-- Null tests
mnm900 min 10  # -> NaN Invalid_operation
mnm901 min  # 10 -> NaN Invalid_operation

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