Skip to content

C
cpython
Dal (branch)/etiket değiştir
Dosya bul
Normal viewHistoryPermalink
dqNextToward.decTest 29 KB
Newer Older
Thomas Wouters's avatar
Merged revisions 58095-58132,58136-58148,58151-58197 via svnmerge from
1b7f891f
 
Thomas Wouters committed
1 2 
------------------------------------------------------------------------
-- dqNextToward.decTest -- decQuad next toward rhs [754r nextafter]   --
Benjamin Peterson's avatar
Merged revisions 65257 via svnmerge from
f17ff4e1
 
Benjamin Peterson committed
3 
-- Copyright (c) IBM Corporation, 1981, 2008.  All rights reserved.   --
Thomas Wouters's avatar
Merged revisions 58095-58132,58136-58148,58151-58197 via svnmerge from
1b7f891f
 
Thomas Wouters committed
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 
------------------------------------------------------------------------
-- 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                                                   --
------------------------------------------------------------------------
Mark Dickinson's avatar
Merged revisions 75286 via svnmerge from
8a546533
 
Mark Dickinson committed
20 
version: 2.59
Thomas Wouters's avatar
Merged revisions 58095-58132,58136-58148,58151-58197 via svnmerge from
1b7f891f
 
Thomas Wouters committed
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 

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


-- Sanity check with a scattering of numerics
dqnextt001 nexttoward   10    10   ->  10
dqnextt002 nexttoward  -10   -10   -> -10
dqnextt003 nexttoward   1     10   ->  1.000000000000000000000000000000001
dqnextt004 nexttoward   1    -10   ->  0.9999999999999999999999999999999999
dqnextt005 nexttoward  -1     10   -> -0.9999999999999999999999999999999999
dqnextt006 nexttoward  -1    -10   -> -1.000000000000000000000000000000001
dqnextt007 nexttoward   0     10   ->  1E-6176       Underflow Subnormal Inexact Rounded
dqnextt008 nexttoward   0    -10   -> -1E-6176       Underflow Subnormal Inexact Rounded
dqnextt009 nexttoward   9.999999999999999999999999999999999E+6144 +Infinity ->  Infinity Overflow Inexact Rounded
dqnextt010 nexttoward  -9.999999999999999999999999999999999E+6144 -Infinity -> -Infinity Overflow Inexact Rounded
dqnextt011 nexttoward       9.999999999999999999999999999999999  10  ->  10.00000000000000000000000000000000
dqnextt012 nexttoward   10  9.999999999999999999999999999999999      ->  9.999999999999999999999999999999999
dqnextt013 nexttoward      -9.999999999999999999999999999999999 -10  -> -10.00000000000000000000000000000000
dqnextt014 nexttoward  -10 -9.999999999999999999999999999999999      -> -9.999999999999999999999999999999999
dqnextt015 nexttoward       9.999999999999999999999999999999998  10  ->  9.999999999999999999999999999999999
dqnextt016 nexttoward   10  9.999999999999999999999999999999998      ->  9.999999999999999999999999999999999
dqnextt017 nexttoward      -9.999999999999999999999999999999998 -10  -> -9.999999999999999999999999999999999
dqnextt018 nexttoward  -10 -9.999999999999999999999999999999998      -> -9.999999999999999999999999999999999

------- lhs=rhs
-- finites
dqnextt101 nexttoward          7       7 ->  7
dqnextt102 nexttoward         -7      -7 -> -7
dqnextt103 nexttoward         75      75 ->  75
dqnextt104 nexttoward        -75     -75 -> -75
dqnextt105 nexttoward       7.50     7.5 ->  7.50
dqnextt106 nexttoward      -7.50   -7.50 -> -7.50
dqnextt107 nexttoward       7.500 7.5000 ->  7.500
dqnextt108 nexttoward      -7.500   -7.5 -> -7.500

-- zeros
dqnextt111 nexttoward          0       0 ->  0
dqnextt112 nexttoward         -0      -0 -> -0
dqnextt113 nexttoward       0E+4       0 ->  0E+4
dqnextt114 nexttoward      -0E+4      -0 -> -0E+4
dqnextt115 nexttoward     0.00000000000   0.000000000000 ->  0E-11
dqnextt116 nexttoward    -0.00000000000  -0.00           -> -0E-11
dqnextt117 nexttoward      0E-141      0 ->  0E-141
dqnextt118 nexttoward     -0E-141   -000 -> -0E-141

-- full coefficients, alternating bits
dqnextt121 nexttoward   268268268    268268268 ->   268268268
dqnextt122 nexttoward  -268268268   -268268268 ->  -268268268
dqnextt123 nexttoward   134134134    134134134 ->   134134134
dqnextt124 nexttoward  -134134134   -134134134 ->  -134134134

-- Nmax, Nmin, Ntiny
dqnextt131 nexttoward  9.999999999999999999999999999999999E+6144  9.999999999999999999999999999999999E+6144   ->   9.999999999999999999999999999999999E+6144
dqnextt132 nexttoward  1E-6143           1E-6143            ->   1E-6143
dqnextt133 nexttoward  1.000000000000000000000000000000000E-6143  1.000000000000000000000000000000000E-6143   ->   1.000000000000000000000000000000000E-6143
dqnextt134 nexttoward  1E-6176           1E-6176            ->   1E-6176

dqnextt135 nexttoward  -1E-6176          -1E-6176           ->  -1E-6176
dqnextt136 nexttoward  -1.000000000000000000000000000000000E-6143 -1.000000000000000000000000000000000E-6143  ->  -1.000000000000000000000000000000000E-6143
dqnextt137 nexttoward  -1E-6143          -1E-6143           ->  -1E-6143
dqnextt138 nexttoward  -9.999999999999999999999999999999999E+6144 -9.999999999999999999999999999999999E+6144  ->  -9.999999999999999999999999999999999E+6144

------- lhs<rhs
dqnextt201 nexttoward  0.9999999999999999999999999999999995 Infinity ->   0.9999999999999999999999999999999996
dqnextt202 nexttoward  0.9999999999999999999999999999999996 Infinity ->   0.9999999999999999999999999999999997
dqnextt203 nexttoward  0.9999999999999999999999999999999997 Infinity ->   0.9999999999999999999999999999999998
dqnextt204 nexttoward  0.9999999999999999999999999999999998 Infinity ->   0.9999999999999999999999999999999999
dqnextt205 nexttoward  0.9999999999999999999999999999999999 Infinity ->   1.000000000000000000000000000000000
dqnextt206 nexttoward  1.000000000000000000000000000000000  Infinity ->   1.000000000000000000000000000000001
dqnextt207 nexttoward  1.0         Infinity ->   1.000000000000000000000000000000001
dqnextt208 nexttoward  1           Infinity ->   1.000000000000000000000000000000001
dqnextt209 nexttoward  1.000000000000000000000000000000001  Infinity ->   1.000000000000000000000000000000002
dqnextt210 nexttoward  1.000000000000000000000000000000002  Infinity ->   1.000000000000000000000000000000003
dqnextt211 nexttoward  1.000000000000000000000000000000003  Infinity ->   1.000000000000000000000000000000004
dqnextt212 nexttoward  1.000000000000000000000000000000004  Infinity ->   1.000000000000000000000000000000005
dqnextt213 nexttoward  1.000000000000000000000000000000005  Infinity ->   1.000000000000000000000000000000006
dqnextt214 nexttoward  1.000000000000000000000000000000006  Infinity ->   1.000000000000000000000000000000007
dqnextt215 nexttoward  1.000000000000000000000000000000007  Infinity ->   1.000000000000000000000000000000008
dqnextt216 nexttoward  1.000000000000000000000000000000008  Infinity ->   1.000000000000000000000000000000009
dqnextt217 nexttoward  1.000000000000000000000000000000009  Infinity ->   1.000000000000000000000000000000010
dqnextt218 nexttoward  1.000000000000000000000000000000010  Infinity ->   1.000000000000000000000000000000011
dqnextt219 nexttoward  1.000000000000000000000000000000011  Infinity ->   1.000000000000000000000000000000012

dqnextt221 nexttoward -0.9999999999999999999999999999999995 Infinity ->  -0.9999999999999999999999999999999994
dqnextt222 nexttoward -0.9999999999999999999999999999999996 Infinity -> -0.9999999999999999999999999999999995
dqnextt223 nexttoward -0.9999999999999999999999999999999997 Infinity ->  -0.9999999999999999999999999999999996
dqnextt224 nexttoward -0.9999999999999999999999999999999998 Infinity ->  -0.9999999999999999999999999999999997
dqnextt225 nexttoward -0.9999999999999999999999999999999999 Infinity ->  -0.9999999999999999999999999999999998
dqnextt226 nexttoward -1.000000000000000000000000000000000  Infinity ->  -0.9999999999999999999999999999999999
dqnextt227 nexttoward -1.0         Infinity ->  -0.9999999999999999999999999999999999
dqnextt228 nexttoward -1           Infinity ->  -0.9999999999999999999999999999999999
dqnextt229 nexttoward -1.000000000000000000000000000000001  Infinity ->  -1.000000000000000000000000000000000
dqnextt230 nexttoward -1.000000000000000000000000000000002  Infinity ->  -1.000000000000000000000000000000001
dqnextt231 nexttoward -1.000000000000000000000000000000003  Infinity ->  -1.000000000000000000000000000000002
dqnextt232 nexttoward -1.000000000000000000000000000000004  Infinity ->  -1.000000000000000000000000000000003
dqnextt233 nexttoward -1.000000000000000000000000000000005  Infinity ->  -1.000000000000000000000000000000004
dqnextt234 nexttoward -1.000000000000000000000000000000006  Infinity ->  -1.000000000000000000000000000000005
dqnextt235 nexttoward -1.000000000000000000000000000000007  Infinity ->  -1.000000000000000000000000000000006
dqnextt236 nexttoward -1.000000000000000000000000000000008  Infinity ->  -1.000000000000000000000000000000007
dqnextt237 nexttoward -1.000000000000000000000000000000009  Infinity ->  -1.000000000000000000000000000000008
dqnextt238 nexttoward -1.000000000000000000000000000000010  Infinity ->  -1.000000000000000000000000000000009
dqnextt239 nexttoward -1.000000000000000000000000000000011  Infinity ->  -1.000000000000000000000000000000010
dqnextt240 nexttoward -1.000000000000000000000000000000012  Infinity ->  -1.000000000000000000000000000000011

-- Zeros
dqnextt300 nexttoward  0           Infinity ->  1E-6176              Underflow Subnormal Inexact Rounded
dqnextt301 nexttoward  0.00        Infinity ->  1E-6176              Underflow Subnormal Inexact Rounded
dqnextt302 nexttoward  0E-300      Infinity ->  1E-6176              Underflow Subnormal Inexact Rounded
dqnextt303 nexttoward  0E+300      Infinity ->  1E-6176              Underflow Subnormal Inexact Rounded
dqnextt304 nexttoward  0E+30000    Infinity ->  1E-6176              Underflow Subnormal Inexact Rounded
dqnextt305 nexttoward -0           Infinity ->  1E-6176              Underflow Subnormal Inexact Rounded
dqnextt306 nexttoward -0.00        Infinity ->  1E-6176              Underflow Subnormal Inexact Rounded
dqnextt307 nexttoward -0E-300      Infinity ->  1E-6176              Underflow Subnormal Inexact Rounded
dqnextt308 nexttoward -0E+300      Infinity ->  1E-6176              Underflow Subnormal Inexact Rounded
dqnextt309 nexttoward -0E+30000    Infinity ->  1E-6176              Underflow Subnormal Inexact Rounded

-- specials
dqnextt350 nexttoward   Inf    Infinity ->  Infinity
dqnextt351 nexttoward  -Inf    Infinity -> -9.999999999999999999999999999999999E+6144
dqnextt352 nexttoward   NaN    Infinity ->  NaN
dqnextt353 nexttoward  sNaN    Infinity ->  NaN   Invalid_operation
dqnextt354 nexttoward   NaN77  Infinity ->  NaN77
dqnextt355 nexttoward  sNaN88  Infinity ->  NaN88 Invalid_operation
dqnextt356 nexttoward  -NaN    Infinity -> -NaN
dqnextt357 nexttoward -sNaN    Infinity -> -NaN   Invalid_operation
dqnextt358 nexttoward  -NaN77  Infinity -> -NaN77
dqnextt359 nexttoward -sNaN88  Infinity -> -NaN88 Invalid_operation

-- Nmax, Nmin, Ntiny, subnormals
dqnextt370 nexttoward  -9.999999999999999999999999999999999E+6144  Infinity  -> -9.999999999999999999999999999999998E+6144
dqnextt371 nexttoward  -9.999999999999999999999999999999998E+6144  Infinity  -> -9.999999999999999999999999999999997E+6144
dqnextt372 nexttoward  -1E-6143                  Infinity  -> -9.99999999999999999999999999999999E-6144  Underflow Subnormal Inexact Rounded
dqnextt373 nexttoward  -1.000000000000000E-6143  Infinity  -> -9.99999999999999999999999999999999E-6144  Underflow Subnormal Inexact Rounded
dqnextt374 nexttoward  -9E-6176                  Infinity  -> -8E-6176                 Underflow Subnormal Inexact Rounded
dqnextt375 nexttoward  -9.9E-6175                Infinity  -> -9.8E-6175               Underflow Subnormal Inexact Rounded
dqnextt376 nexttoward  -9.99999999999999999999999999999E-6147      Infinity  -> -9.99999999999999999999999999998E-6147     Underflow Subnormal Inexact Rounded
dqnextt377 nexttoward  -9.99999999999999999999999999999999E-6144   Infinity  -> -9.99999999999999999999999999999998E-6144  Underflow Subnormal Inexact Rounded
dqnextt378 nexttoward  -9.99999999999999999999999999999998E-6144   Infinity  -> -9.99999999999999999999999999999997E-6144  Underflow Subnormal Inexact Rounded
dqnextt379 nexttoward  -9.99999999999999999999999999999997E-6144   Infinity  -> -9.99999999999999999999999999999996E-6144  Underflow Subnormal Inexact Rounded
dqnextt380 nexttoward  -0E-6176                  Infinity  ->  1E-6176                 Underflow Subnormal Inexact Rounded
dqnextt381 nexttoward  -1E-6176                  Infinity  -> -0E-6176 Underflow Subnormal Inexact Rounded Clamped
dqnextt382 nexttoward  -2E-6176                  Infinity  -> -1E-6176                 Underflow Subnormal Inexact Rounded

dqnextt383 nexttoward   0E-6176                  Infinity  ->  1E-6176                 Underflow Subnormal Inexact Rounded
dqnextt384 nexttoward   1E-6176                  Infinity  ->  2E-6176                 Underflow Subnormal Inexact Rounded
dqnextt385 nexttoward   2E-6176                  Infinity  ->  3E-6176                 Underflow Subnormal Inexact Rounded
dqnextt386 nexttoward   10E-6176                 Infinity  ->  1.1E-6175               Underflow Subnormal Inexact Rounded
dqnextt387 nexttoward   100E-6176                Infinity  ->  1.01E-6174              Underflow Subnormal Inexact Rounded
dqnextt388 nexttoward   100000E-6176             Infinity  ->  1.00001E-6171           Underflow Subnormal Inexact Rounded
dqnextt389 nexttoward   1.00000000000000000000000000000E-6143      Infinity  ->  1.000000000000000000000000000000001E-6143
dqnextt390 nexttoward   1.000000000000000000000000000000000E-6143  Infinity  ->  1.000000000000000000000000000000001E-6143
dqnextt391 nexttoward   1E-6143                  Infinity  ->  1.000000000000000000000000000000001E-6143
dqnextt392 nexttoward   9.999999999999999999999999999999997E+6144  Infinity  ->  9.999999999999999999999999999999998E+6144
dqnextt393 nexttoward   9.999999999999999999999999999999998E+6144  Infinity  ->  9.999999999999999999999999999999999E+6144
dqnextt394 nexttoward   9.999999999999999999999999999999999E+6144  Infinity  ->  Infinity               Overflow Inexact Rounded

------- lhs>rhs
dqnextt401 nexttoward  0.9999999999999999999999999999999995  -Infinity ->   0.9999999999999999999999999999999994
dqnextt402 nexttoward  0.9999999999999999999999999999999996  -Infinity ->   0.9999999999999999999999999999999995
dqnextt403 nexttoward  0.9999999999999999999999999999999997  -Infinity ->   0.9999999999999999999999999999999996
dqnextt404 nexttoward  0.9999999999999999999999999999999998  -Infinity ->   0.9999999999999999999999999999999997
dqnextt405 nexttoward  0.9999999999999999999999999999999999  -Infinity ->   0.9999999999999999999999999999999998
dqnextt406 nexttoward  1.000000000000000000000000000000000   -Infinity ->   0.9999999999999999999999999999999999
dqnextt407 nexttoward  1.0          -Infinity ->   0.9999999999999999999999999999999999
dqnextt408 nexttoward  1            -Infinity ->   0.9999999999999999999999999999999999
dqnextt409 nexttoward  1.000000000000000000000000000000001   -Infinity ->   1.000000000000000000000000000000000
dqnextt410 nexttoward  1.000000000000000000000000000000002   -Infinity ->   1.000000000000000000000000000000001
dqnextt411 nexttoward  1.000000000000000000000000000000003   -Infinity ->   1.000000000000000000000000000000002
dqnextt412 nexttoward  1.000000000000000000000000000000004   -Infinity ->   1.000000000000000000000000000000003
dqnextt413 nexttoward  1.000000000000000000000000000000005   -Infinity ->   1.000000000000000000000000000000004
dqnextt414 nexttoward  1.000000000000000000000000000000006   -Infinity ->   1.000000000000000000000000000000005
dqnextt415 nexttoward  1.000000000000000000000000000000007   -Infinity ->   1.000000000000000000000000000000006
dqnextt416 nexttoward  1.000000000000000000000000000000008   -Infinity ->   1.000000000000000000000000000000007
dqnextt417 nexttoward  1.000000000000000000000000000000009   -Infinity ->   1.000000000000000000000000000000008
dqnextt418 nexttoward  1.000000000000000000000000000000010   -Infinity ->   1.000000000000000000000000000000009
dqnextt419 nexttoward  1.000000000000000000000000000000011   -Infinity ->   1.000000000000000000000000000000010
dqnextt420 nexttoward  1.000000000000000000000000000000012   -Infinity ->   1.000000000000000000000000000000011

dqnextt421 nexttoward -0.9999999999999999999999999999999995  -Infinity ->  -0.9999999999999999999999999999999996
dqnextt422 nexttoward -0.9999999999999999999999999999999996  -Infinity ->  -0.9999999999999999999999999999999997
dqnextt423 nexttoward -0.9999999999999999999999999999999997  -Infinity ->  -0.9999999999999999999999999999999998
dqnextt424 nexttoward -0.9999999999999999999999999999999998  -Infinity ->  -0.9999999999999999999999999999999999
dqnextt425 nexttoward -0.9999999999999999999999999999999999  -Infinity ->  -1.000000000000000000000000000000000
dqnextt426 nexttoward -1.000000000000000000000000000000000   -Infinity ->  -1.000000000000000000000000000000001
dqnextt427 nexttoward -1.0          -Infinity ->  -1.000000000000000000000000000000001
dqnextt428 nexttoward -1            -Infinity ->  -1.000000000000000000000000000000001
dqnextt429 nexttoward -1.000000000000000000000000000000001   -Infinity ->  -1.000000000000000000000000000000002
dqnextt430 nexttoward -1.000000000000000000000000000000002   -Infinity ->  -1.000000000000000000000000000000003
dqnextt431 nexttoward -1.000000000000000000000000000000003   -Infinity ->  -1.000000000000000000000000000000004
dqnextt432 nexttoward -1.000000000000000000000000000000004   -Infinity ->  -1.000000000000000000000000000000005
dqnextt433 nexttoward -1.000000000000000000000000000000005   -Infinity ->  -1.000000000000000000000000000000006
dqnextt434 nexttoward -1.000000000000000000000000000000006   -Infinity ->  -1.000000000000000000000000000000007
dqnextt435 nexttoward -1.000000000000000000000000000000007   -Infinity ->  -1.000000000000000000000000000000008
dqnextt436 nexttoward -1.000000000000000000000000000000008   -Infinity ->  -1.000000000000000000000000000000009
dqnextt437 nexttoward -1.000000000000000000000000000000009   -Infinity ->  -1.000000000000000000000000000000010
dqnextt438 nexttoward -1.000000000000000000000000000000010   -Infinity ->  -1.000000000000000000000000000000011
dqnextt439 nexttoward -1.000000000000000000000000000000011   -Infinity ->  -1.000000000000000000000000000000012

-- Zeros
dqnextt500 nexttoward -0            -Infinity -> -1E-6176         Underflow Subnormal Inexact Rounded
dqnextt501 nexttoward  0            -Infinity -> -1E-6176         Underflow Subnormal Inexact Rounded
dqnextt502 nexttoward  0.00         -Infinity -> -1E-6176         Underflow Subnormal Inexact Rounded
dqnextt503 nexttoward -0.00         -Infinity -> -1E-6176         Underflow Subnormal Inexact Rounded
dqnextt504 nexttoward  0E-300       -Infinity -> -1E-6176         Underflow Subnormal Inexact Rounded
dqnextt505 nexttoward  0E+300       -Infinity -> -1E-6176         Underflow Subnormal Inexact Rounded
dqnextt506 nexttoward  0E+30000     -Infinity -> -1E-6176         Underflow Subnormal Inexact Rounded
dqnextt507 nexttoward -0E+30000     -Infinity -> -1E-6176         Underflow Subnormal Inexact Rounded

-- specials
dqnextt550 nexttoward   Inf     -Infinity ->  9.999999999999999999999999999999999E+6144
dqnextt551 nexttoward  -Inf     -Infinity -> -Infinity
dqnextt552 nexttoward   NaN     -Infinity ->  NaN
dqnextt553 nexttoward  sNaN     -Infinity ->  NaN   Invalid_operation
dqnextt554 nexttoward   NaN77   -Infinity ->  NaN77
dqnextt555 nexttoward  sNaN88   -Infinity ->  NaN88 Invalid_operation
dqnextt556 nexttoward  -NaN     -Infinity -> -NaN
dqnextt557 nexttoward -sNaN     -Infinity -> -NaN   Invalid_operation
dqnextt558 nexttoward  -NaN77   -Infinity -> -NaN77
dqnextt559 nexttoward -sNaN88   -Infinity -> -NaN88 Invalid_operation

-- Nmax, Nmin, Ntiny, subnormals
dqnextt670 nexttoward  9.999999999999999999999999999999999E+6144   -Infinity  -> 9.999999999999999999999999999999998E+6144
dqnextt671 nexttoward  9.999999999999999999999999999999998E+6144   -Infinity  -> 9.999999999999999999999999999999997E+6144
dqnextt672 nexttoward  1E-6143                   -Infinity  -> 9.99999999999999999999999999999999E-6144   Underflow Subnormal  Inexact Rounded
dqnextt673 nexttoward  1.000000000000000000000000000000000E-6143   -Infinity  -> 9.99999999999999999999999999999999E-6144   Underflow Subnormal  Inexact Rounded
dqnextt674 nexttoward  9E-6176                   -Infinity  -> 8E-6176                  Underflow Subnormal  Inexact Rounded
dqnextt675 nexttoward  9.9E-6175                 -Infinity  -> 9.8E-6175                Underflow Subnormal  Inexact Rounded
dqnextt676 nexttoward  9.99999999999999999999999999999E-6147       -Infinity  -> 9.99999999999999999999999999998E-6147      Underflow Subnormal  Inexact Rounded
dqnextt677 nexttoward  9.99999999999999999999999999999999E-6144    -Infinity  -> 9.99999999999999999999999999999998E-6144   Underflow Subnormal  Inexact Rounded
dqnextt678 nexttoward  9.99999999999999999999999999999998E-6144    -Infinity  -> 9.99999999999999999999999999999997E-6144   Underflow Subnormal  Inexact Rounded
dqnextt679 nexttoward  9.99999999999999999999999999999997E-6144    -Infinity  -> 9.99999999999999999999999999999996E-6144   Underflow Subnormal  Inexact Rounded
dqnextt680 nexttoward  0E-6176                   -Infinity  -> -1E-6176                 Underflow Subnormal  Inexact Rounded
dqnextt681 nexttoward  1E-6176                   -Infinity  -> 0E-6176                  Underflow Subnormal  Inexact Rounded Clamped
dqnextt682 nexttoward  2E-6176                   -Infinity  -> 1E-6176                  Underflow Subnormal  Inexact Rounded

dqnextt683 nexttoward  -0E-6176                  -Infinity  -> -1E-6176                 Underflow Subnormal  Inexact Rounded
dqnextt684 nexttoward  -1E-6176                  -Infinity  -> -2E-6176                 Underflow Subnormal  Inexact Rounded
dqnextt685 nexttoward  -2E-6176                  -Infinity  -> -3E-6176                 Underflow Subnormal  Inexact Rounded
dqnextt686 nexttoward  -10E-6176                 -Infinity  -> -1.1E-6175               Underflow Subnormal  Inexact Rounded
dqnextt687 nexttoward  -100E-6176                -Infinity  -> -1.01E-6174              Underflow Subnormal  Inexact Rounded
dqnextt688 nexttoward  -100000E-6176             -Infinity  -> -1.00001E-6171           Underflow Subnormal  Inexact Rounded
dqnextt689 nexttoward  -1.00000000000000000000000000000E-6143      -Infinity  -> -1.000000000000000000000000000000001E-6143
dqnextt690 nexttoward  -1.000000000000000000000000000000000E-6143  -Infinity  -> -1.000000000000000000000000000000001E-6143
dqnextt691 nexttoward  -1E-6143                  -Infinity  -> -1.000000000000000000000000000000001E-6143
dqnextt692 nexttoward  -9.999999999999999999999999999999998E+6144  -Infinity  -> -9.999999999999999999999999999999999E+6144
dqnextt693 nexttoward  -9.999999999999999999999999999999999E+6144  -Infinity  -> -Infinity               Overflow Inexact Rounded

------- Specials
dqnextt780 nexttoward -Inf  -Inf   -> -Infinity
dqnextt781 nexttoward -Inf  -1000  -> -9.999999999999999999999999999999999E+6144
dqnextt782 nexttoward -Inf  -1     -> -9.999999999999999999999999999999999E+6144
dqnextt783 nexttoward -Inf  -0     -> -9.999999999999999999999999999999999E+6144
dqnextt784 nexttoward -Inf   0     -> -9.999999999999999999999999999999999E+6144
dqnextt785 nexttoward -Inf   1     -> -9.999999999999999999999999999999999E+6144
dqnextt786 nexttoward -Inf   1000  -> -9.999999999999999999999999999999999E+6144
dqnextt787 nexttoward -1000 -Inf   -> -1000.000000000000000000000000000001
dqnextt788 nexttoward -Inf  -Inf   -> -Infinity
dqnextt789 nexttoward -1    -Inf   -> -1.000000000000000000000000000000001
dqnextt790 nexttoward -0    -Inf   -> -1E-6176           Underflow Subnormal Inexact Rounded
dqnextt791 nexttoward  0    -Inf   -> -1E-6176           Underflow Subnormal Inexact Rounded
dqnextt792 nexttoward  1    -Inf   ->  0.9999999999999999999999999999999999
dqnextt793 nexttoward  1000 -Inf   ->  999.9999999999999999999999999999999
dqnextt794 nexttoward  Inf  -Inf   ->  9.999999999999999999999999999999999E+6144

dqnextt800 nexttoward  Inf  -Inf   ->  9.999999999999999999999999999999999E+6144
dqnextt801 nexttoward  Inf  -1000  ->  9.999999999999999999999999999999999E+6144
dqnextt802 nexttoward  Inf  -1     ->  9.999999999999999999999999999999999E+6144
dqnextt803 nexttoward  Inf  -0     ->  9.999999999999999999999999999999999E+6144
dqnextt804 nexttoward  Inf   0     ->  9.999999999999999999999999999999999E+6144
dqnextt805 nexttoward  Inf   1     ->  9.999999999999999999999999999999999E+6144
dqnextt806 nexttoward  Inf   1000  ->  9.999999999999999999999999999999999E+6144
dqnextt807 nexttoward  Inf   Inf   ->  Infinity
dqnextt808 nexttoward -1000  Inf   -> -999.9999999999999999999999999999999
dqnextt809 nexttoward -Inf   Inf   -> -9.999999999999999999999999999999999E+6144
dqnextt810 nexttoward -1     Inf   -> -0.9999999999999999999999999999999999
dqnextt811 nexttoward -0     Inf   ->  1E-6176           Underflow Subnormal Inexact Rounded
dqnextt812 nexttoward  0     Inf   ->  1E-6176           Underflow Subnormal Inexact Rounded
dqnextt813 nexttoward  1     Inf   ->  1.000000000000000000000000000000001
dqnextt814 nexttoward  1000  Inf   ->  1000.000000000000000000000000000001
dqnextt815 nexttoward  Inf   Inf   ->  Infinity

dqnextt821 nexttoward  NaN -Inf    ->  NaN
dqnextt822 nexttoward  NaN -1000   ->  NaN
dqnextt823 nexttoward  NaN -1      ->  NaN
dqnextt824 nexttoward  NaN -0      ->  NaN
dqnextt825 nexttoward  NaN  0      ->  NaN
dqnextt826 nexttoward  NaN  1      ->  NaN
dqnextt827 nexttoward  NaN  1000   ->  NaN
dqnextt828 nexttoward  NaN  Inf    ->  NaN
dqnextt829 nexttoward  NaN  NaN    ->  NaN
dqnextt830 nexttoward -Inf  NaN    ->  NaN
dqnextt831 nexttoward -1000 NaN    ->  NaN
dqnextt832 nexttoward -1    NaN    ->  NaN
dqnextt833 nexttoward -0    NaN    ->  NaN
dqnextt834 nexttoward  0    NaN    ->  NaN
dqnextt835 nexttoward  1    NaN    ->  NaN
dqnextt836 nexttoward  1000 NaN    ->  NaN
dqnextt837 nexttoward  Inf  NaN    ->  NaN

dqnextt841 nexttoward  sNaN -Inf   ->  NaN  Invalid_operation
dqnextt842 nexttoward  sNaN -1000  ->  NaN  Invalid_operation
dqnextt843 nexttoward  sNaN -1     ->  NaN  Invalid_operation
dqnextt844 nexttoward  sNaN -0     ->  NaN  Invalid_operation
dqnextt845 nexttoward  sNaN  0     ->  NaN  Invalid_operation
dqnextt846 nexttoward  sNaN  1     ->  NaN  Invalid_operation
dqnextt847 nexttoward  sNaN  1000  ->  NaN  Invalid_operation
dqnextt848 nexttoward  sNaN  NaN   ->  NaN  Invalid_operation
dqnextt849 nexttoward  sNaN sNaN   ->  NaN  Invalid_operation
dqnextt850 nexttoward  NaN  sNaN   ->  NaN  Invalid_operation
dqnextt851 nexttoward -Inf  sNaN   ->  NaN  Invalid_operation
dqnextt852 nexttoward -1000 sNaN   ->  NaN  Invalid_operation
dqnextt853 nexttoward -1    sNaN   ->  NaN  Invalid_operation
dqnextt854 nexttoward -0    sNaN   ->  NaN  Invalid_operation
dqnextt855 nexttoward  0    sNaN   ->  NaN  Invalid_operation
dqnextt856 nexttoward  1    sNaN   ->  NaN  Invalid_operation
dqnextt857 nexttoward  1000 sNaN   ->  NaN  Invalid_operation
dqnextt858 nexttoward  Inf  sNaN   ->  NaN  Invalid_operation
dqnextt859 nexttoward  NaN  sNaN   ->  NaN  Invalid_operation

-- propagating NaNs
dqnextt861 nexttoward  NaN1   -Inf    ->  NaN1
dqnextt862 nexttoward +NaN2   -1000   ->  NaN2
dqnextt863 nexttoward  NaN3    1000   ->  NaN3
dqnextt864 nexttoward  NaN4    Inf    ->  NaN4
dqnextt865 nexttoward  NaN5   +NaN6   ->  NaN5
dqnextt866 nexttoward -Inf     NaN7   ->  NaN7
dqnextt867 nexttoward -1000    NaN8   ->  NaN8
dqnextt868 nexttoward  1000    NaN9   ->  NaN9
dqnextt869 nexttoward  Inf    +NaN10  ->  NaN10
dqnextt871 nexttoward  sNaN11  -Inf   ->  NaN11  Invalid_operation
dqnextt872 nexttoward  sNaN12  -1000  ->  NaN12  Invalid_operation
dqnextt873 nexttoward  sNaN13   1000  ->  NaN13  Invalid_operation
dqnextt874 nexttoward  sNaN14   NaN17 ->  NaN14  Invalid_operation
dqnextt875 nexttoward  sNaN15  sNaN18 ->  NaN15  Invalid_operation
dqnextt876 nexttoward  NaN16   sNaN19 ->  NaN19  Invalid_operation
dqnextt877 nexttoward -Inf    +sNaN20 ->  NaN20  Invalid_operation
dqnextt878 nexttoward -1000    sNaN21 ->  NaN21  Invalid_operation
dqnextt879 nexttoward  1000    sNaN22 ->  NaN22  Invalid_operation
dqnextt880 nexttoward  Inf     sNaN23 ->  NaN23  Invalid_operation
dqnextt881 nexttoward +NaN25  +sNaN24 ->  NaN24  Invalid_operation
dqnextt882 nexttoward -NaN26    NaN28 -> -NaN26
dqnextt883 nexttoward -sNaN27  sNaN29 -> -NaN27  Invalid_operation
dqnextt884 nexttoward  1000    -NaN30 -> -NaN30
dqnextt885 nexttoward  1000   -sNaN31 -> -NaN31  Invalid_operation

-- Null tests
dqnextt900 nexttoward 1  # -> NaN Invalid_operation
dqnextt901 nexttoward #  1 -> NaN Invalid_operation