------------------------------------------------------------------------
-- ddNextToward.decTest -- decDouble next toward rhs [754r nextafter] --
-- 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 --
-- [email protected] --
------------------------------------------------------------------------
version: 2.59
-- All operands and results are decDoubles.
precision: 16
maxExponent: 384
minExponent: -383
extended: 1
clamp: 1
rounding: half_even
-- Sanity check with a scattering of numerics
ddnextt001 nexttoward 10 10 -> 10
ddnextt002 nexttoward -10 -10 -> -10
ddnextt003 nexttoward 1 10 -> 1.000000000000001
ddnextt004 nexttoward 1 -10 -> 0.9999999999999999
ddnextt005 nexttoward -1 10 -> -0.9999999999999999
ddnextt006 nexttoward -1 -10 -> -1.000000000000001
ddnextt007 nexttoward 0 10 -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt008 nexttoward 0 -10 -> -1E-398 Underflow Subnormal Inexact Rounded
ddnextt009 nexttoward 9.999999999999999E+384 +Infinity -> Infinity Overflow Inexact Rounded
ddnextt010 nexttoward -9.999999999999999E+384 -Infinity -> -Infinity Overflow Inexact Rounded
ddnextt011 nexttoward 9.999999999999999 10 -> 10.00000000000000
ddnextt012 nexttoward 10 9.999999999999999 -> 9.999999999999999
ddnextt013 nexttoward -9.999999999999999 -10 -> -10.00000000000000
ddnextt014 nexttoward -10 -9.999999999999999 -> -9.999999999999999
ddnextt015 nexttoward 9.999999999999998 10 -> 9.999999999999999
ddnextt016 nexttoward 10 9.999999999999998 -> 9.999999999999999
ddnextt017 nexttoward -9.999999999999998 -10 -> -9.999999999999999
ddnextt018 nexttoward -10 -9.999999999999998 -> -9.999999999999999
------- lhs=rhs
-- finites
ddnextt101 nexttoward 7 7 -> 7
ddnextt102 nexttoward -7 -7 -> -7
ddnextt103 nexttoward 75 75 -> 75
ddnextt104 nexttoward -75 -75 -> -75
ddnextt105 nexttoward 7.50 7.5 -> 7.50
ddnextt106 nexttoward -7.50 -7.50 -> -7.50
ddnextt107 nexttoward 7.500 7.5000 -> 7.500
ddnextt108 nexttoward -7.500 -7.5 -> -7.500
-- zeros
ddnextt111 nexttoward 0 0 -> 0
ddnextt112 nexttoward -0 -0 -> -0
ddnextt113 nexttoward 0E+4 0 -> 0E+4
ddnextt114 nexttoward -0E+4 -0 -> -0E+4
ddnextt115 nexttoward 0.00000000000 0.000000000000 -> 0E-11
ddnextt116 nexttoward -0.00000000000 -0.00 -> -0E-11
ddnextt117 nexttoward 0E-141 0 -> 0E-141
ddnextt118 nexttoward -0E-141 -000 -> -0E-141
-- full coefficients, alternating bits
ddnextt121 nexttoward 268268268 268268268 -> 268268268
ddnextt122 nexttoward -268268268 -268268268 -> -268268268
ddnextt123 nexttoward 134134134 134134134 -> 134134134
ddnextt124 nexttoward -134134134 -134134134 -> -134134134
-- Nmax, Nmin, Ntiny
ddnextt131 nexttoward 9.999999999999999E+384 9.999999999999999E+384 -> 9.999999999999999E+384
ddnextt132 nexttoward 1E-383 1E-383 -> 1E-383
ddnextt133 nexttoward 1.000000000000000E-383 1.000000000000000E-383 -> 1.000000000000000E-383
ddnextt134 nexttoward 1E-398 1E-398 -> 1E-398
ddnextt135 nexttoward -1E-398 -1E-398 -> -1E-398
ddnextt136 nexttoward -1.000000000000000E-383 -1.000000000000000E-383 -> -1.000000000000000E-383
ddnextt137 nexttoward -1E-383 -1E-383 -> -1E-383
ddnextt138 nexttoward -9.999999999999999E+384 -9.999999999999999E+384 -> -9.999999999999999E+384
------- lhs<rhs
ddnextt201 nexttoward 0.9999999999999995 Infinity -> 0.9999999999999996
ddnextt202 nexttoward 0.9999999999999996 Infinity -> 0.9999999999999997
ddnextt203 nexttoward 0.9999999999999997 Infinity -> 0.9999999999999998
ddnextt204 nexttoward 0.9999999999999998 Infinity -> 0.9999999999999999
ddnextt205 nexttoward 0.9999999999999999 Infinity -> 1.000000000000000
ddnextt206 nexttoward 1.000000000000000 Infinity -> 1.000000000000001
ddnextt207 nexttoward 1.0 Infinity -> 1.000000000000001
ddnextt208 nexttoward 1 Infinity -> 1.000000000000001
ddnextt209 nexttoward 1.000000000000001 Infinity -> 1.000000000000002
ddnextt210 nexttoward 1.000000000000002 Infinity -> 1.000000000000003
ddnextt211 nexttoward 1.000000000000003 Infinity -> 1.000000000000004
ddnextt212 nexttoward 1.000000000000004 Infinity -> 1.000000000000005
ddnextt213 nexttoward 1.000000000000005 Infinity -> 1.000000000000006
ddnextt214 nexttoward 1.000000000000006 Infinity -> 1.000000000000007
ddnextt215 nexttoward 1.000000000000007 Infinity -> 1.000000000000008
ddnextt216 nexttoward 1.000000000000008 Infinity -> 1.000000000000009
ddnextt217 nexttoward 1.000000000000009 Infinity -> 1.000000000000010
ddnextt218 nexttoward 1.000000000000010 Infinity -> 1.000000000000011
ddnextt219 nexttoward 1.000000000000011 Infinity -> 1.000000000000012
ddnextt221 nexttoward -0.9999999999999995 Infinity -> -0.9999999999999994
ddnextt222 nexttoward -0.9999999999999996 Infinity -> -0.9999999999999995
ddnextt223 nexttoward -0.9999999999999997 Infinity -> -0.9999999999999996
ddnextt224 nexttoward -0.9999999999999998 Infinity -> -0.9999999999999997
ddnextt225 nexttoward -0.9999999999999999 Infinity -> -0.9999999999999998
ddnextt226 nexttoward -1.000000000000000 Infinity -> -0.9999999999999999
ddnextt227 nexttoward -1.0 Infinity -> -0.9999999999999999
ddnextt228 nexttoward -1 Infinity -> -0.9999999999999999
ddnextt229 nexttoward -1.000000000000001 Infinity -> -1.000000000000000
ddnextt230 nexttoward -1.000000000000002 Infinity -> -1.000000000000001
ddnextt231 nexttoward -1.000000000000003 Infinity -> -1.000000000000002
ddnextt232 nexttoward -1.000000000000004 Infinity -> -1.000000000000003
ddnextt233 nexttoward -1.000000000000005 Infinity -> -1.000000000000004
ddnextt234 nexttoward -1.000000000000006 Infinity -> -1.000000000000005
ddnextt235 nexttoward -1.000000000000007 Infinity -> -1.000000000000006
ddnextt236 nexttoward -1.000000000000008 Infinity -> -1.000000000000007
ddnextt237 nexttoward -1.000000000000009 Infinity -> -1.000000000000008
ddnextt238 nexttoward -1.000000000000010 Infinity -> -1.000000000000009
ddnextt239 nexttoward -1.000000000000011 Infinity -> -1.000000000000010
ddnextt240 nexttoward -1.000000000000012 Infinity -> -1.000000000000011
-- Zeros
ddnextt300 nexttoward 0 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt301 nexttoward 0.00 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt302 nexttoward 0E-300 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt303 nexttoward 0E+300 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt304 nexttoward 0E+30000 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt305 nexttoward -0 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt306 nexttoward -0.00 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt307 nexttoward -0E-300 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt308 nexttoward -0E+300 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt309 nexttoward -0E+30000 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
-- specials
ddnextt350 nexttoward Inf Infinity -> Infinity
ddnextt351 nexttoward -Inf Infinity -> -9.999999999999999E+384
ddnextt352 nexttoward NaN Infinity -> NaN
ddnextt353 nexttoward sNaN Infinity -> NaN Invalid_operation
ddnextt354 nexttoward NaN77 Infinity -> NaN77
ddnextt355 nexttoward sNaN88 Infinity -> NaN88 Invalid_operation
ddnextt356 nexttoward -NaN Infinity -> -NaN
ddnextt357 nexttoward -sNaN Infinity -> -NaN Invalid_operation
ddnextt358 nexttoward -NaN77 Infinity -> -NaN77
ddnextt359 nexttoward -sNaN88 Infinity -> -NaN88 Invalid_operation
-- Nmax, Nmin, Ntiny, subnormals
ddnextt370 nexttoward -9.999999999999999E+384 Infinity -> -9.999999999999998E+384
ddnextt371 nexttoward -9.999999999999998E+384 Infinity -> -9.999999999999997E+384
ddnextt372 nexttoward -1E-383 Infinity -> -9.99999999999999E-384 Underflow Subnormal Inexact Rounded
ddnextt373 nexttoward -1.000000000000000E-383 Infinity -> -9.99999999999999E-384 Underflow Subnormal Inexact Rounded
ddnextt374 nexttoward -9E-398 Infinity -> -8E-398 Underflow Subnormal Inexact Rounded
ddnextt375 nexttoward -9.9E-397 Infinity -> -9.8E-397 Underflow Subnormal Inexact Rounded
ddnextt376 nexttoward -9.99999999999E-387 Infinity -> -9.99999999998E-387 Underflow Subnormal Inexact Rounded
ddnextt377 nexttoward -9.99999999999999E-384 Infinity -> -9.99999999999998E-384 Underflow Subnormal Inexact Rounded
ddnextt378 nexttoward -9.99999999999998E-384 Infinity -> -9.99999999999997E-384 Underflow Subnormal Inexact Rounded
ddnextt379 nexttoward -9.99999999999997E-384 Infinity -> -9.99999999999996E-384 Underflow Subnormal Inexact Rounded
ddnextt380 nexttoward -0E-398 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt381 nexttoward -1E-398 Infinity -> -0E-398 Underflow Subnormal Inexact Rounded Clamped
ddnextt382 nexttoward -2E-398 Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
ddnextt383 nexttoward 0E-398 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt384 nexttoward 1E-398 Infinity -> 2E-398 Underflow Subnormal Inexact Rounded
ddnextt385 nexttoward 2E-398 Infinity -> 3E-398 Underflow Subnormal Inexact Rounded
ddnextt386 nexttoward 10E-398 Infinity -> 1.1E-397 Underflow Subnormal Inexact Rounded
ddnextt387 nexttoward 100E-398 Infinity -> 1.01E-396 Underflow Subnormal Inexact Rounded
ddnextt388 nexttoward 100000E-398 Infinity -> 1.00001E-393 Underflow Subnormal Inexact Rounded
ddnextt389 nexttoward 1.00000000000E-383 Infinity -> 1.000000000000001E-383
ddnextt390 nexttoward 1.000000000000000E-383 Infinity -> 1.000000000000001E-383
ddnextt391 nexttoward 1E-383 Infinity -> 1.000000000000001E-383
ddnextt392 nexttoward 9.999999999999997E+384 Infinity -> 9.999999999999998E+384
ddnextt393 nexttoward 9.999999999999998E+384 Infinity -> 9.999999999999999E+384
ddnextt394 nexttoward 9.999999999999999E+384 Infinity -> Infinity Overflow Inexact Rounded
------- lhs>rhs
ddnextt401 nexttoward 0.9999999999999995 -Infinity -> 0.9999999999999994
ddnextt402 nexttoward 0.9999999999999996 -Infinity -> 0.9999999999999995
ddnextt403 nexttoward 0.9999999999999997 -Infinity -> 0.9999999999999996
ddnextt404 nexttoward 0.9999999999999998 -Infinity -> 0.9999999999999997
ddnextt405 nexttoward 0.9999999999999999 -Infinity -> 0.9999999999999998
ddnextt406 nexttoward 1.000000000000000 -Infinity -> 0.9999999999999999
ddnextt407 nexttoward 1.0 -Infinity -> 0.9999999999999999
ddnextt408 nexttoward 1 -Infinity -> 0.9999999999999999
ddnextt409 nexttoward 1.000000000000001 -Infinity -> 1.000000000000000
ddnextt410 nexttoward 1.000000000000002 -Infinity -> 1.000000000000001
ddnextt411 nexttoward 1.000000000000003 -Infinity -> 1.000000000000002
ddnextt412 nexttoward 1.000000000000004 -Infinity -> 1.000000000000003
ddnextt413 nexttoward 1.000000000000005 -Infinity -> 1.000000000000004
ddnextt414 nexttoward 1.000000000000006 -Infinity -> 1.000000000000005
ddnextt415 nexttoward 1.000000000000007 -Infinity -> 1.000000000000006
ddnextt416 nexttoward 1.000000000000008 -Infinity -> 1.000000000000007
ddnextt417 nexttoward 1.000000000000009 -Infinity -> 1.000000000000008
ddnextt418 nexttoward 1.000000000000010 -Infinity -> 1.000000000000009
ddnextt419 nexttoward 1.000000000000011 -Infinity -> 1.000000000000010
ddnextt420 nexttoward 1.000000000000012 -Infinity -> 1.000000000000011
ddnextt421 nexttoward -0.9999999999999995 -Infinity -> -0.9999999999999996
ddnextt422 nexttoward -0.9999999999999996 -Infinity -> -0.9999999999999997
ddnextt423 nexttoward -0.9999999999999997 -Infinity -> -0.9999999999999998
ddnextt424 nexttoward -0.9999999999999998 -Infinity -> -0.9999999999999999
ddnextt425 nexttoward -0.9999999999999999 -Infinity -> -1.000000000000000
ddnextt426 nexttoward -1.000000000000000 -Infinity -> -1.000000000000001
ddnextt427 nexttoward -1.0 -Infinity -> -1.000000000000001
ddnextt428 nexttoward -1 -Infinity -> -1.000000000000001
ddnextt429 nexttoward -1.000000000000001 -Infinity -> -1.000000000000002
ddnextt430 nexttoward -1.000000000000002 -Infinity -> -1.000000000000003
ddnextt431 nexttoward -1.000000000000003 -Infinity -> -1.000000000000004
ddnextt432 nexttoward -1.000000000000004 -Infinity -> -1.000000000000005
ddnextt433 nexttoward -1.000000000000005 -Infinity -> -1.000000000000006
ddnextt434 nexttoward -1.000000000000006 -Infinity -> -1.000000000000007
ddnextt435 nexttoward -1.000000000000007 -Infinity -> -1.000000000000008
ddnextt436 nexttoward -1.000000000000008 -Infinity -> -1.000000000000009
ddnextt437 nexttoward -1.000000000000009 -Infinity -> -1.000000000000010
ddnextt438 nexttoward -1.000000000000010 -Infinity -> -1.000000000000011
ddnextt439 nexttoward -1.000000000000011 -Infinity -> -1.000000000000012
-- Zeros
ddnextt500 nexttoward -0 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
ddnextt501 nexttoward 0 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
ddnextt502 nexttoward 0.00 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
ddnextt503 nexttoward -0.00 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
ddnextt504 nexttoward 0E-300 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
ddnextt505 nexttoward 0E+300 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
ddnextt506 nexttoward 0E+30000 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
ddnextt507 nexttoward -0E+30000 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
-- specials
ddnextt550 nexttoward Inf -Infinity -> 9.999999999999999E+384
ddnextt551 nexttoward -Inf -Infinity -> -Infinity
ddnextt552 nexttoward NaN -Infinity -> NaN
ddnextt553 nexttoward sNaN -Infinity -> NaN Invalid_operation
ddnextt554 nexttoward NaN77 -Infinity -> NaN77
ddnextt555 nexttoward sNaN88 -Infinity -> NaN88 Invalid_operation
ddnextt556 nexttoward -NaN -Infinity -> -NaN
ddnextt557 nexttoward -sNaN -Infinity -> -NaN Invalid_operation
ddnextt558 nexttoward -NaN77 -Infinity -> -NaN77
ddnextt559 nexttoward -sNaN88 -Infinity -> -NaN88 Invalid_operation
-- Nmax, Nmin, Ntiny, subnormals
ddnextt670 nexttoward 9.999999999999999E+384 -Infinity -> 9.999999999999998E+384
ddnextt671 nexttoward 9.999999999999998E+384 -Infinity -> 9.999999999999997E+384
ddnextt672 nexttoward 1E-383 -Infinity -> 9.99999999999999E-384 Underflow Subnormal Inexact Rounded
ddnextt673 nexttoward 1.000000000000000E-383 -Infinity -> 9.99999999999999E-384 Underflow Subnormal Inexact Rounded
ddnextt674 nexttoward 9E-398 -Infinity -> 8E-398 Underflow Subnormal Inexact Rounded
ddnextt675 nexttoward 9.9E-397 -Infinity -> 9.8E-397 Underflow Subnormal Inexact Rounded
ddnextt676 nexttoward 9.99999999999E-387 -Infinity -> 9.99999999998E-387 Underflow Subnormal Inexact Rounded
ddnextt677 nexttoward 9.99999999999999E-384 -Infinity -> 9.99999999999998E-384 Underflow Subnormal Inexact Rounded
ddnextt678 nexttoward 9.99999999999998E-384 -Infinity -> 9.99999999999997E-384 Underflow Subnormal Inexact Rounded
ddnextt679 nexttoward 9.99999999999997E-384 -Infinity -> 9.99999999999996E-384 Underflow Subnormal Inexact Rounded
ddnextt680 nexttoward 0E-398 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
ddnextt681 nexttoward 1E-398 -Infinity -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
ddnextt682 nexttoward 2E-398 -Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt683 nexttoward -0E-398 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
ddnextt684 nexttoward -1E-398 -Infinity -> -2E-398 Underflow Subnormal Inexact Rounded
ddnextt685 nexttoward -2E-398 -Infinity -> -3E-398 Underflow Subnormal Inexact Rounded
ddnextt686 nexttoward -10E-398 -Infinity -> -1.1E-397 Underflow Subnormal Inexact Rounded
ddnextt687 nexttoward -100E-398 -Infinity -> -1.01E-396 Underflow Subnormal Inexact Rounded
ddnextt688 nexttoward -100000E-398 -Infinity -> -1.00001E-393 Underflow Subnormal Inexact Rounded
ddnextt689 nexttoward -1.00000000000E-383 -Infinity -> -1.000000000000001E-383
ddnextt690 nexttoward -1.000000000000000E-383 -Infinity -> -1.000000000000001E-383
ddnextt691 nexttoward -1E-383 -Infinity -> -1.000000000000001E-383
ddnextt692 nexttoward -9.999999999999998E+384 -Infinity -> -9.999999999999999E+384
ddnextt693 nexttoward -9.999999999999999E+384 -Infinity -> -Infinity Overflow Inexact Rounded
------- Specials
ddnextt780 nexttoward -Inf -Inf -> -Infinity
ddnextt781 nexttoward -Inf -1000 -> -9.999999999999999E+384
ddnextt782 nexttoward -Inf -1 -> -9.999999999999999E+384
ddnextt783 nexttoward -Inf -0 -> -9.999999999999999E+384
ddnextt784 nexttoward -Inf 0 -> -9.999999999999999E+384
ddnextt785 nexttoward -Inf 1 -> -9.999999999999999E+384
ddnextt786 nexttoward -Inf 1000 -> -9.999999999999999E+384
ddnextt787 nexttoward -1000 -Inf -> -1000.000000000001
ddnextt788 nexttoward -Inf -Inf -> -Infinity
ddnextt789 nexttoward -1 -Inf -> -1.000000000000001
ddnextt790 nexttoward -0 -Inf -> -1E-398 Underflow Subnormal Inexact Rounded
ddnextt791 nexttoward 0 -Inf -> -1E-398 Underflow Subnormal Inexact Rounded
ddnextt792 nexttoward 1 -Inf -> 0.9999999999999999
ddnextt793 nexttoward 1000 -Inf -> 999.9999999999999
ddnextt794 nexttoward Inf -Inf -> 9.999999999999999E+384
ddnextt800 nexttoward Inf -Inf -> 9.999999999999999E+384
ddnextt801 nexttoward Inf -1000 -> 9.999999999999999E+384
ddnextt802 nexttoward Inf -1 -> 9.999999999999999E+384
ddnextt803 nexttoward Inf -0 -> 9.999999999999999E+384
ddnextt804 nexttoward Inf 0 -> 9.999999999999999E+384
ddnextt805 nexttoward Inf 1 -> 9.999999999999999E+384
ddnextt806 nexttoward Inf 1000 -> 9.999999999999999E+384
ddnextt807 nexttoward Inf Inf -> Infinity
ddnextt808 nexttoward -1000 Inf -> -999.9999999999999
ddnextt809 nexttoward -Inf Inf -> -9.999999999999999E+384
ddnextt810 nexttoward -1 Inf -> -0.9999999999999999
ddnextt811 nexttoward -0 Inf -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt812 nexttoward 0 Inf -> 1E-398 Underflow Subnormal Inexact Rounded
ddnextt813 nexttoward 1 Inf -> 1.000000000000001
ddnextt814 nexttoward 1000 Inf -> 1000.000000000001
ddnextt815 nexttoward Inf Inf -> Infinity
ddnextt821 nexttoward NaN -Inf -> NaN
ddnextt822 nexttoward NaN -1000 -> NaN
ddnextt823 nexttoward NaN -1 -> NaN
ddnextt824 nexttoward NaN -0 -> NaN
ddnextt825 nexttoward NaN 0 -> NaN
ddnextt826 nexttoward NaN 1 -> NaN
ddnextt827 nexttoward NaN 1000 -> NaN
ddnextt828 nexttoward NaN Inf -> NaN
ddnextt829 nexttoward NaN NaN -> NaN
ddnextt830 nexttoward -Inf NaN -> NaN
ddnextt831 nexttoward -1000 NaN -> NaN
ddnextt832 nexttoward -1 NaN -> NaN
ddnextt833 nexttoward -0 NaN -> NaN
ddnextt834 nexttoward 0 NaN -> NaN
ddnextt835 nexttoward 1 NaN -> NaN
ddnextt836 nexttoward 1000 NaN -> NaN
ddnextt837 nexttoward Inf NaN -> NaN
ddnextt841 nexttoward sNaN -Inf -> NaN Invalid_operation
ddnextt842 nexttoward sNaN -1000 -> NaN Invalid_operation
ddnextt843 nexttoward sNaN -1 -> NaN Invalid_operation
ddnextt844 nexttoward sNaN -0 -> NaN Invalid_operation
ddnextt845 nexttoward sNaN 0 -> NaN Invalid_operation
ddnextt846 nexttoward sNaN 1 -> NaN Invalid_operation
ddnextt847 nexttoward sNaN 1000 -> NaN Invalid_operation
ddnextt848 nexttoward sNaN NaN -> NaN Invalid_operation
ddnextt849 nexttoward sNaN sNaN -> NaN Invalid_operation
ddnextt850 nexttoward NaN sNaN -> NaN Invalid_operation
ddnextt851 nexttoward -Inf sNaN -> NaN Invalid_operation
ddnextt852 nexttoward -1000 sNaN -> NaN Invalid_operation
ddnextt853 nexttoward -1 sNaN -> NaN Invalid_operation
ddnextt854 nexttoward -0 sNaN -> NaN Invalid_operation
ddnextt855 nexttoward 0 sNaN -> NaN Invalid_operation
ddnextt856 nexttoward 1 sNaN -> NaN Invalid_operation
ddnextt857 nexttoward 1000 sNaN -> NaN Invalid_operation
ddnextt858 nexttoward Inf sNaN -> NaN Invalid_operation
ddnextt859 nexttoward NaN sNaN -> NaN Invalid_operation
-- propagating NaNs
ddnextt861 nexttoward NaN1 -Inf -> NaN1
ddnextt862 nexttoward +NaN2 -1000 -> NaN2
ddnextt863 nexttoward NaN3 1000 -> NaN3
ddnextt864 nexttoward NaN4 Inf -> NaN4
ddnextt865 nexttoward NaN5 +NaN6 -> NaN5
ddnextt866 nexttoward -Inf NaN7 -> NaN7
ddnextt867 nexttoward -1000 NaN8 -> NaN8
ddnextt868 nexttoward 1000 NaN9 -> NaN9
ddnextt869 nexttoward Inf +NaN10 -> NaN10
ddnextt871 nexttoward sNaN11 -Inf -> NaN11 Invalid_operation
ddnextt872 nexttoward sNaN12 -1000 -> NaN12 Invalid_operation
ddnextt873 nexttoward sNaN13 1000 -> NaN13 Invalid_operation
ddnextt874 nexttoward sNaN14 NaN17 -> NaN14 Invalid_operation
ddnextt875 nexttoward sNaN15 sNaN18 -> NaN15 Invalid_operation
ddnextt876 nexttoward NaN16 sNaN19 -> NaN19 Invalid_operation
ddnextt877 nexttoward -Inf +sNaN20 -> NaN20 Invalid_operation
ddnextt878 nexttoward -1000 sNaN21 -> NaN21 Invalid_operation
ddnextt879 nexttoward 1000 sNaN22 -> NaN22 Invalid_operation
ddnextt880 nexttoward Inf sNaN23 -> NaN23 Invalid_operation
ddnextt881 nexttoward +NaN25 +sNaN24 -> NaN24 Invalid_operation
ddnextt882 nexttoward -NaN26 NaN28 -> -NaN26
ddnextt883 nexttoward -sNaN27 sNaN29 -> -NaN27 Invalid_operation
ddnextt884 nexttoward 1000 -NaN30 -> -NaN30
ddnextt885 nexttoward 1000 -sNaN31 -> -NaN31 Invalid_operation
-- Null tests
ddnextt900 nexttoward 1 # -> NaN Invalid_operation
ddnextt901 nexttoward # 1 -> NaN Invalid_operation
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