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/Lib/test/decimaltestdata/maxmag.decTest

http://unladen-swallow.googlecode.com/
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  1------------------------------------------------------------------------
  2-- maxmag.decTest -- decimal maximum by magnitude                     --
  3-- Copyright (c) IBM Corporation, 1981, 2008.  All rights reserved.   --
  4------------------------------------------------------------------------
  5-- Please see the document "General Decimal Arithmetic Testcases"     --
  6-- at http://www2.hursley.ibm.com/decimal for the description of      --
  7-- these testcases.                                                   --
  8--                                                                    --
  9-- These testcases are experimental ('beta' versions), and they       --
 10-- may contain errors.  They are offered on an as-is basis.  In       --
 11-- particular, achieving the same results as the tests here is not    --
 12-- a guarantee that an implementation complies with any Standard      --
 13-- or specification.  The tests are not exhaustive.                   --
 14--                                                                    --
 15-- Please send comments, suggestions, and corrections to the author:  --
 16--   Mike Cowlishaw, IBM Fellow                                       --
 17--   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 18--   mfc@uk.ibm.com                                                   --
 19------------------------------------------------------------------------
 20version: 2.58
 21
 22-- we assume that base comparison is tested in compare.decTest, so
 23-- these mainly cover special cases and rounding
 24
 25extended:    1
 26precision:   9
 27rounding:    half_up
 28maxExponent: 384
 29minexponent: -383
 30
 31-- sanity checks
 32mxgx001 maxmag  -2  -2  -> -2
 33mxgx002 maxmag  -2  -1  -> -2
 34mxgx003 maxmag  -2   0  -> -2
 35mxgx004 maxmag  -2   1  -> -2
 36mxgx005 maxmag  -2   2  ->  2
 37mxgx006 maxmag  -1  -2  -> -2
 38mxgx007 maxmag  -1  -1  -> -1
 39mxgx008 maxmag  -1   0  -> -1
 40mxgx009 maxmag  -1   1  ->  1
 41mxgx010 maxmag  -1   2  ->  2
 42mxgx011 maxmag   0  -2  -> -2
 43mxgx012 maxmag   0  -1  -> -1
 44mxgx013 maxmag   0   0  ->  0
 45mxgx014 maxmag   0   1  ->  1
 46mxgx015 maxmag   0   2  ->  2
 47mxgx016 maxmag   1  -2  -> -2
 48mxgx017 maxmag   1  -1  ->  1
 49mxgx018 maxmag   1   0  ->  1
 50mxgx019 maxmag   1   1  ->  1
 51mxgx020 maxmag   1   2  ->  2
 52mxgx021 maxmag   2  -2  ->  2
 53mxgx022 maxmag   2  -1  ->  2
 54mxgx023 maxmag   2   0  ->  2
 55mxgx025 maxmag   2   1  ->  2
 56mxgx026 maxmag   2   2  ->  2
 57
 58-- extended zeros
 59mxgx030 maxmag   0     0   ->  0
 60mxgx031 maxmag   0    -0   ->  0
 61mxgx032 maxmag   0    -0.0 ->  0
 62mxgx033 maxmag   0     0.0 ->  0
 63mxgx034 maxmag  -0     0   ->  0    -- note: -0 = 0, but 0 chosen
 64mxgx035 maxmag  -0    -0   -> -0
 65mxgx036 maxmag  -0    -0.0 -> -0.0
 66mxgx037 maxmag  -0     0.0 ->  0.0
 67mxgx038 maxmag   0.0   0   ->  0
 68mxgx039 maxmag   0.0  -0   ->  0.0
 69mxgx040 maxmag   0.0  -0.0 ->  0.0
 70mxgx041 maxmag   0.0   0.0 ->  0.0
 71mxgx042 maxmag  -0.0   0   ->  0
 72mxgx043 maxmag  -0.0  -0   -> -0.0
 73mxgx044 maxmag  -0.0  -0.0 -> -0.0
 74mxgx045 maxmag  -0.0   0.0 ->  0.0
 75
 76mxgx050 maxmag  -0E1   0E1 ->  0E+1
 77mxgx051 maxmag  -0E2   0E2 ->  0E+2
 78mxgx052 maxmag  -0E2   0E1 ->  0E+1
 79mxgx053 maxmag  -0E1   0E2 ->  0E+2
 80mxgx054 maxmag   0E1  -0E1 ->  0E+1
 81mxgx055 maxmag   0E2  -0E2 ->  0E+2
 82mxgx056 maxmag   0E2  -0E1 ->  0E+2
 83mxgx057 maxmag   0E1  -0E2 ->  0E+1
 84
 85mxgx058 maxmag   0E1   0E1 ->  0E+1
 86mxgx059 maxmag   0E2   0E2 ->  0E+2
 87mxgx060 maxmag   0E2   0E1 ->  0E+2
 88mxgx061 maxmag   0E1   0E2 ->  0E+2
 89mxgx062 maxmag  -0E1  -0E1 -> -0E+1
 90mxgx063 maxmag  -0E2  -0E2 -> -0E+2
 91mxgx064 maxmag  -0E2  -0E1 -> -0E+1
 92mxgx065 maxmag  -0E1  -0E2 -> -0E+1
 93
 94-- Specials
 95precision: 9
 96mxgx090 maxmag  Inf  -Inf   ->  Infinity
 97mxgx091 maxmag  Inf  -1000  ->  Infinity
 98mxgx092 maxmag  Inf  -1     ->  Infinity
 99mxgx093 maxmag  Inf  -0     ->  Infinity
100mxgx094 maxmag  Inf   0     ->  Infinity
101mxgx095 maxmag  Inf   1     ->  Infinity
102mxgx096 maxmag  Inf   1000  ->  Infinity
103mxgx097 maxmag  Inf   Inf   ->  Infinity
104mxgx098 maxmag -1000  Inf   ->  Infinity
105mxgx099 maxmag -Inf   Inf   ->  Infinity
106mxgx100 maxmag -1     Inf   ->  Infinity
107mxgx101 maxmag -0     Inf   ->  Infinity
108mxgx102 maxmag  0     Inf   ->  Infinity
109mxgx103 maxmag  1     Inf   ->  Infinity
110mxgx104 maxmag  1000  Inf   ->  Infinity
111mxgx105 maxmag  Inf   Inf   ->  Infinity
112
113mxgx120 maxmag -Inf  -Inf   -> -Infinity
114mxgx121 maxmag -Inf  -1000  -> -Infinity
115mxgx122 maxmag -Inf  -1     -> -Infinity
116mxgx123 maxmag -Inf  -0     -> -Infinity
117mxgx124 maxmag -Inf   0     -> -Infinity
118mxgx125 maxmag -Inf   1     -> -Infinity
119mxgx126 maxmag -Inf   1000  -> -Infinity
120mxgx127 maxmag -Inf   Inf   ->  Infinity
121mxgx128 maxmag -Inf  -Inf   -> -Infinity
122mxgx129 maxmag -1000 -Inf   -> -Infinity
123mxgx130 maxmag -1    -Inf   -> -Infinity
124mxgx131 maxmag -0    -Inf   -> -Infinity
125mxgx132 maxmag  0    -Inf   -> -Infinity
126mxgx133 maxmag  1    -Inf   -> -Infinity
127mxgx134 maxmag  1000 -Inf   -> -Infinity
128mxgx135 maxmag  Inf  -Inf   ->  Infinity
129
130-- 2004.08.02 754r chooses number over NaN in mixed cases
131mxgx141 maxmag  NaN -Inf    -> -Infinity
132mxgx142 maxmag  NaN -1000   -> -1000
133mxgx143 maxmag  NaN -1      -> -1
134mxgx144 maxmag  NaN -0      -> -0
135mxgx145 maxmag  NaN  0      ->  0
136mxgx146 maxmag  NaN  1      ->  1
137mxgx147 maxmag  NaN  1000   ->  1000
138mxgx148 maxmag  NaN  Inf    ->  Infinity
139mxgx149 maxmag  NaN  NaN    ->  NaN
140mxgx150 maxmag -Inf  NaN    -> -Infinity
141mxgx151 maxmag -1000 NaN    -> -1000
142mxgx152 maxmag -1    NaN    -> -1
143mxgx153 maxmag -0    NaN    -> -0
144mxgx154 maxmag  0    NaN    ->  0
145mxgx155 maxmag  1    NaN    ->  1
146mxgx156 maxmag  1000 NaN    ->  1000
147mxgx157 maxmag  Inf  NaN    ->  Infinity
148
149mxgx161 maxmag  sNaN -Inf   ->  NaN  Invalid_operation
150mxgx162 maxmag  sNaN -1000  ->  NaN  Invalid_operation
151mxgx163 maxmag  sNaN -1     ->  NaN  Invalid_operation
152mxgx164 maxmag  sNaN -0     ->  NaN  Invalid_operation
153mxgx165 maxmag  sNaN  0     ->  NaN  Invalid_operation
154mxgx166 maxmag  sNaN  1     ->  NaN  Invalid_operation
155mxgx167 maxmag  sNaN  1000  ->  NaN  Invalid_operation
156mxgx168 maxmag  sNaN  NaN   ->  NaN  Invalid_operation
157mxgx169 maxmag  sNaN sNaN   ->  NaN  Invalid_operation
158mxgx170 maxmag  NaN  sNaN   ->  NaN  Invalid_operation
159mxgx171 maxmag -Inf  sNaN   ->  NaN  Invalid_operation
160mxgx172 maxmag -1000 sNaN   ->  NaN  Invalid_operation
161mxgx173 maxmag -1    sNaN   ->  NaN  Invalid_operation
162mxgx174 maxmag -0    sNaN   ->  NaN  Invalid_operation
163mxgx175 maxmag  0    sNaN   ->  NaN  Invalid_operation
164mxgx176 maxmag  1    sNaN   ->  NaN  Invalid_operation
165mxgx177 maxmag  1000 sNaN   ->  NaN  Invalid_operation
166mxgx178 maxmag  Inf  sNaN   ->  NaN  Invalid_operation
167mxgx179 maxmag  NaN  sNaN   ->  NaN  Invalid_operation
168
169-- propagating NaNs
170mxgx181 maxmag  NaN9  -Inf   -> -Infinity
171mxgx182 maxmag  NaN8     9   ->  9
172mxgx183 maxmag -NaN7   Inf   ->  Infinity
173
174mxgx184 maxmag -NaN1   NaN11 -> -NaN1
175mxgx185 maxmag  NaN2   NaN12 ->  NaN2
176mxgx186 maxmag -NaN13 -NaN7  -> -NaN13
177mxgx187 maxmag  NaN14 -NaN5  ->  NaN14
178
179mxgx188 maxmag -Inf    NaN4  -> -Infinity
180mxgx189 maxmag -9     -NaN3  -> -9
181mxgx190 maxmag  Inf    NaN2  ->  Infinity
182
183mxgx191 maxmag  sNaN99 -Inf    ->  NaN99 Invalid_operation
184mxgx192 maxmag  sNaN98 -1      ->  NaN98 Invalid_operation
185mxgx193 maxmag -sNaN97  NaN    -> -NaN97 Invalid_operation
186mxgx194 maxmag  sNaN96 sNaN94  ->  NaN96 Invalid_operation
187mxgx195 maxmag  NaN95  sNaN93  ->  NaN93 Invalid_operation
188mxgx196 maxmag -Inf    sNaN92  ->  NaN92 Invalid_operation
189mxgx197 maxmag  0      sNaN91  ->  NaN91 Invalid_operation
190mxgx198 maxmag  Inf   -sNaN90  -> -NaN90 Invalid_operation
191mxgx199 maxmag  NaN    sNaN89  ->  NaN89 Invalid_operation
192
193-- rounding checks
194maxexponent: 999
195minexponent: -999
196precision: 9
197mxgx201 maxmag 12345678000 1  -> 1.23456780E+10 Rounded
198mxgx202 maxmag 1 12345678000  -> 1.23456780E+10 Rounded
199mxgx203 maxmag 1234567800  1  -> 1.23456780E+9 Rounded
200mxgx204 maxmag 1 1234567800   -> 1.23456780E+9 Rounded
201mxgx205 maxmag 1234567890  1  -> 1.23456789E+9 Rounded
202mxgx206 maxmag 1 1234567890   -> 1.23456789E+9 Rounded
203mxgx207 maxmag 1234567891  1  -> 1.23456789E+9 Inexact Rounded
204mxgx208 maxmag 1 1234567891   -> 1.23456789E+9 Inexact Rounded
205mxgx209 maxmag 12345678901 1  -> 1.23456789E+10 Inexact Rounded
206mxgx210 maxmag 1 12345678901  -> 1.23456789E+10 Inexact Rounded
207mxgx211 maxmag 1234567896  1  -> 1.23456790E+9 Inexact Rounded
208mxgx212 maxmag 1 1234567896   -> 1.23456790E+9 Inexact Rounded
209mxgx213 maxmag -1234567891  1 -> -1.23456789E+9   Inexact Rounded
210mxgx214 maxmag 1 -1234567891  -> -1.23456789E+9   Inexact Rounded
211mxgx215 maxmag -12345678901 1 -> -1.23456789E+10  Inexact Rounded
212mxgx216 maxmag 1 -12345678901 -> -1.23456789E+10  Inexact Rounded
213mxgx217 maxmag -1234567896  1 -> -1.23456790E+9   Inexact Rounded
214mxgx218 maxmag 1 -1234567896  -> -1.23456790E+9   Inexact Rounded
215
216precision: 15
217mxgx221 maxmag 12345678000 1  -> 12345678000
218mxgx222 maxmag 1 12345678000  -> 12345678000
219mxgx223 maxmag 1234567800  1  -> 1234567800
220mxgx224 maxmag 1 1234567800   -> 1234567800
221mxgx225 maxmag 1234567890  1  -> 1234567890
222mxgx226 maxmag 1 1234567890   -> 1234567890
223mxgx227 maxmag 1234567891  1  -> 1234567891
224mxgx228 maxmag 1 1234567891   -> 1234567891
225mxgx229 maxmag 12345678901 1  -> 12345678901
226mxgx230 maxmag 1 12345678901  -> 12345678901
227mxgx231 maxmag 1234567896  1  -> 1234567896
228mxgx232 maxmag 1 1234567896   -> 1234567896
229mxgx233 maxmag -1234567891  1 -> -1234567891
230mxgx234 maxmag 1 -1234567891  -> -1234567891
231mxgx235 maxmag -12345678901 1 -> -12345678901
232mxgx236 maxmag 1 -12345678901 -> -12345678901
233mxgx237 maxmag -1234567896  1 -> -1234567896
234mxgx238 maxmag 1 -1234567896  -> -1234567896
235
236-- from examples
237mxgx280 maxmag '3'   '2'  ->  '3'
238mxgx281 maxmag '-10' '3'  ->  '-10'
239mxgx282 maxmag '1.0' '1'  ->  '1'
240mxgx283 maxmag '1' '1.0'  ->  '1'
241mxgx284 maxmag '7' 'NaN'  ->  '7'
242
243-- overflow and underflow tests ...
244maxExponent: 999999999
245minexponent: -999999999
246mxgx330 maxmag +1.23456789012345E-0 9E+999999999 ->  9E+999999999
247mxgx331 maxmag 9E+999999999 +1.23456789012345E-0 ->  9E+999999999
248mxgx332 maxmag +0.100 9E-999999999               ->  0.100
249mxgx333 maxmag 9E-999999999 +0.100               ->  0.100
250mxgx335 maxmag -1.23456789012345E-0 9E+999999999 ->  9E+999999999
251mxgx336 maxmag 9E+999999999 -1.23456789012345E-0 ->  9E+999999999
252mxgx337 maxmag -0.100 9E-999999999               ->  -0.100
253mxgx338 maxmag 9E-999999999 -0.100               ->  -0.100
254
255mxgx339 maxmag 1e-599999999 1e-400000001   ->  1E-400000001
256mxgx340 maxmag 1e-599999999 1e-400000000   ->  1E-400000000
257mxgx341 maxmag 1e-600000000 1e-400000000   ->  1E-400000000
258mxgx342 maxmag 9e-999999998 0.01           ->  0.01
259mxgx343 maxmag 9e-999999998 0.1            ->  0.1
260mxgx344 maxmag 0.01 9e-999999998           ->  0.01
261mxgx345 maxmag 1e599999999 1e400000001     ->  1E+599999999
262mxgx346 maxmag 1e599999999 1e400000000     ->  1E+599999999
263mxgx347 maxmag 1e600000000 1e400000000     ->  1E+600000000
264mxgx348 maxmag 9e999999998 100             ->  9E+999999998
265mxgx349 maxmag 9e999999998 10              ->  9E+999999998
266mxgx350 maxmag 100  9e999999998            ->  9E+999999998
267-- signs
268mxgx351 maxmag  1e+777777777  1e+411111111 ->  1E+777777777
269mxgx352 maxmag  1e+777777777 -1e+411111111 ->  1E+777777777
270mxgx353 maxmag -1e+777777777  1e+411111111 -> -1E+777777777
271mxgx354 maxmag -1e+777777777 -1e+411111111 -> -1E+777777777
272mxgx355 maxmag  1e-777777777  1e-411111111 ->  1E-411111111
273mxgx356 maxmag  1e-777777777 -1e-411111111 -> -1E-411111111
274mxgx357 maxmag -1e-777777777  1e-411111111 ->  1E-411111111
275mxgx358 maxmag -1e-777777777 -1e-411111111 -> -1E-411111111
276
277-- expanded list from min/max 754r purple prose
278-- [explicit tests for exponent ordering]
279mxgx401 maxmag  Inf    1.1     ->  Infinity
280mxgx402 maxmag  1.1    1       ->  1.1
281mxgx403 maxmag  1      1.0     ->  1
282mxgx404 maxmag  1.0    0.1     ->  1.0
283mxgx405 maxmag  0.1    0.10    ->  0.1
284mxgx406 maxmag  0.10   0.100   ->  0.10
285mxgx407 maxmag  0.10   0       ->  0.10
286mxgx408 maxmag  0      0.0     ->  0
287mxgx409 maxmag  0.0   -0       ->  0.0
288mxgx410 maxmag  0.0   -0.0     ->  0.0
289mxgx411 maxmag  0.00  -0.0     ->  0.00
290mxgx412 maxmag  0.0   -0.00    ->  0.0
291mxgx413 maxmag  0     -0.0     ->  0
292mxgx414 maxmag  0     -0       ->  0
293mxgx415 maxmag -0.0   -0       -> -0.0
294mxgx416 maxmag -0     -0.100   -> -0.100
295mxgx417 maxmag -0.100 -0.10    -> -0.100
296mxgx418 maxmag -0.10  -0.1     -> -0.10
297mxgx419 maxmag -0.1   -1.0     -> -1.0
298mxgx420 maxmag -1.0   -1       -> -1.0
299mxgx421 maxmag -1     -1.1     -> -1.1
300mxgx423 maxmag -1.1   -Inf     -> -Infinity
301-- same with operands reversed
302mxgx431 maxmag  1.1    Inf     ->  Infinity
303mxgx432 maxmag  1      1.1     ->  1.1
304mxgx433 maxmag  1.0    1       ->  1
305mxgx434 maxmag  0.1    1.0     ->  1.0
306mxgx435 maxmag  0.10   0.1     ->  0.1
307mxgx436 maxmag  0.100  0.10    ->  0.10
308mxgx437 maxmag  0      0.10    ->  0.10
309mxgx438 maxmag  0.0    0       ->  0
310mxgx439 maxmag -0      0.0     ->  0.0
311mxgx440 maxmag -0.0    0.0     ->  0.0
312mxgx441 maxmag -0.0    0.00    ->  0.00
313mxgx442 maxmag -0.00   0.0     ->  0.0
314mxgx443 maxmag -0.0    0       ->  0
315mxgx444 maxmag -0      0       ->  0
316mxgx445 maxmag -0     -0.0     -> -0.0
317mxgx446 maxmag -0.100 -0       -> -0.100
318mxgx447 maxmag -0.10  -0.100   -> -0.100
319mxgx448 maxmag -0.1   -0.10    -> -0.10
320mxgx449 maxmag -1.0   -0.1     -> -1.0
321mxgx450 maxmag -1     -1.0     -> -1.0
322mxgx451 maxmag -1.1   -1       -> -1.1
323mxgx453 maxmag -Inf   -1.1     -> -Infinity
324-- largies
325mxgx460 maxmag  1000   1E+3    ->  1E+3
326mxgx461 maxmag  1E+3   1000    ->  1E+3
327mxgx462 maxmag  1000  -1E+3    ->  1000
328mxgx463 maxmag  1E+3  -1000    ->  1E+3
329mxgx464 maxmag -1000   1E+3    ->  1E+3
330mxgx465 maxmag -1E+3   1000    ->  1000
331mxgx466 maxmag -1000  -1E+3    -> -1000
332mxgx467 maxmag -1E+3  -1000    -> -1000
333
334-- rounding (results treated as though plus)
335maxexponent: 999999999
336minexponent: -999999999
337precision: 3
338
339mxgx470 maxmag  1      .5     ->  1
340mxgx471 maxmag  10     5      ->  10
341mxgx472 maxmag  100    50     ->  100
342mxgx473 maxmag  1000   500    ->  1.00E+3 Rounded
343mxgx474 maxmag  10000  5000   ->  1.00E+4 Rounded
344mxgx475 maxmag  6      .5     ->  6
345mxgx476 maxmag  66     5      ->  66
346mxgx477 maxmag  666    50     ->  666
347mxgx478 maxmag  6666   500    ->  6.67E+3 Rounded Inexact
348mxgx479 maxmag  66666  5000   ->  6.67E+4 Rounded Inexact
349mxgx480 maxmag  33333  5000   ->  3.33E+4 Rounded Inexact
350mxgx481 maxmag  .5     1      ->  1
351mxgx482 maxmag  .5     10     ->  10
352mxgx483 maxmag  .5     100    ->  100
353mxgx484 maxmag  .5     1000   ->  1.00E+3 Rounded
354mxgx485 maxmag  .5     10000  ->  1.00E+4 Rounded
355mxgx486 maxmag  .5     6      ->  6
356mxgx487 maxmag  .5     66     ->  66
357mxgx488 maxmag  .5     666    ->  666
358mxgx489 maxmag  .5     6666   ->  6.67E+3 Rounded Inexact
359mxgx490 maxmag  .5     66666  ->  6.67E+4 Rounded Inexact
360mxgx491 maxmag  .5     33333  ->  3.33E+4 Rounded Inexact
361
362-- overflow tests
363maxexponent: 999999999
364minexponent: -999999999
365precision: 3
366mxgx500 maxmag 9.999E+999999999  0 ->  Infinity Inexact Overflow Rounded
367mxgx501 maxmag -9.999E+999999999 0 -> -Infinity Inexact Overflow Rounded
368
369-- subnormals and underflow
370precision: 3
371maxexponent: 999
372minexponent: -999
373mxgx510 maxmag  1.00E-999       0  ->   1.00E-999
374mxgx511 maxmag  0.1E-999        0  ->   1E-1000   Subnormal
375mxgx512 maxmag  0.10E-999       0  ->   1.0E-1000 Subnormal
376mxgx513 maxmag  0.100E-999      0  ->   1.0E-1000 Subnormal Rounded
377mxgx514 maxmag  0.01E-999       0  ->   1E-1001   Subnormal
378-- next is rounded to Nmin
379mxgx515 maxmag  0.999E-999      0  ->   1.00E-999 Inexact Rounded Subnormal Underflow
380mxgx516 maxmag  0.099E-999      0  ->   1.0E-1000 Inexact Rounded Subnormal Underflow
381mxgx517 maxmag  0.009E-999      0  ->   1E-1001   Inexact Rounded Subnormal Underflow
382mxgx518 maxmag  0.001E-999      0  ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
383mxgx519 maxmag  0.0009E-999     0  ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
384mxgx520 maxmag  0.0001E-999     0  ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
385
386mxgx530 maxmag -1.00E-999       0  ->  -1.00E-999
387mxgx531 maxmag -0.1E-999        0  ->  -1E-1000   Subnormal
388mxgx532 maxmag -0.10E-999       0  ->  -1.0E-1000 Subnormal
389mxgx533 maxmag -0.100E-999      0  ->  -1.0E-1000 Subnormal Rounded
390mxgx534 maxmag -0.01E-999       0  ->  -1E-1001   Subnormal
391-- next is rounded to -Nmin
392mxgx535 maxmag -0.999E-999      0  ->  -1.00E-999 Inexact Rounded Subnormal Underflow
393mxgx536 maxmag -0.099E-999      0  ->  -1.0E-1000 Inexact Rounded Subnormal Underflow
394mxgx537 maxmag -0.009E-999      0  ->  -1E-1001   Inexact Rounded Subnormal Underflow
395mxgx538 maxmag -0.001E-999      0  ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped
396mxgx539 maxmag -0.0009E-999     0  ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped
397mxgx540 maxmag -0.0001E-999     0  ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped
398
399-- Null tests
400mxgx900 maxmag 10  #  -> NaN Invalid_operation
401mxgx901 maxmag  # 10  -> NaN Invalid_operation
402
403
404