2011-03-05 10:06:13 -04:00
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------------------------------------------------------------------------
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-- ddNextToward.decTest -- decDouble next toward rhs [754r nextafter] --
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-- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. --
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------------------------------------------------------------------------
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-- Please see the document "General Decimal Arithmetic Testcases" --
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-- at http://www2.hursley.ibm.com/decimal for the description of --
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-- these testcases. --
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-- --
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-- These testcases are experimental ('beta' versions), and they --
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-- may contain errors. They are offered on an as-is basis. In --
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-- particular, achieving the same results as the tests here is not --
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-- a guarantee that an implementation complies with any Standard --
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-- or specification. The tests are not exhaustive. --
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-- --
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-- Please send comments, suggestions, and corrections to the author: --
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-- Mike Cowlishaw, IBM Fellow --
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-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
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-- mfc@uk.ibm.com --
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------------------------------------------------------------------------
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version: 2.59
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-- All operands and results are decDoubles.
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precision: 16
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maxExponent: 384
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minExponent: -383
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extended: 1
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clamp: 1
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rounding: half_even
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-- Sanity check with a scattering of numerics
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ddnextt001 nexttoward 10 10 -> 10
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ddnextt002 nexttoward -10 -10 -> -10
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ddnextt003 nexttoward 1 10 -> 1.000000000000001
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ddnextt004 nexttoward 1 -10 -> 0.9999999999999999
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ddnextt005 nexttoward -1 10 -> -0.9999999999999999
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ddnextt006 nexttoward -1 -10 -> -1.000000000000001
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ddnextt007 nexttoward 0 10 -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt008 nexttoward 0 -10 -> -1E-398 Underflow Subnormal Inexact Rounded
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ddnextt009 nexttoward 9.999999999999999E+384 +Infinity -> Infinity Overflow Inexact Rounded
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ddnextt010 nexttoward -9.999999999999999E+384 -Infinity -> -Infinity Overflow Inexact Rounded
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ddnextt011 nexttoward 9.999999999999999 10 -> 10.00000000000000
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ddnextt012 nexttoward 10 9.999999999999999 -> 9.999999999999999
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ddnextt013 nexttoward -9.999999999999999 -10 -> -10.00000000000000
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ddnextt014 nexttoward -10 -9.999999999999999 -> -9.999999999999999
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ddnextt015 nexttoward 9.999999999999998 10 -> 9.999999999999999
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ddnextt016 nexttoward 10 9.999999999999998 -> 9.999999999999999
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ddnextt017 nexttoward -9.999999999999998 -10 -> -9.999999999999999
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ddnextt018 nexttoward -10 -9.999999999999998 -> -9.999999999999999
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------- lhs=rhs
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-- finites
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ddnextt101 nexttoward 7 7 -> 7
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ddnextt102 nexttoward -7 -7 -> -7
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ddnextt103 nexttoward 75 75 -> 75
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ddnextt104 nexttoward -75 -75 -> -75
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ddnextt105 nexttoward 7.50 7.5 -> 7.50
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ddnextt106 nexttoward -7.50 -7.50 -> -7.50
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ddnextt107 nexttoward 7.500 7.5000 -> 7.500
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ddnextt108 nexttoward -7.500 -7.5 -> -7.500
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-- zeros
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ddnextt111 nexttoward 0 0 -> 0
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ddnextt112 nexttoward -0 -0 -> -0
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ddnextt113 nexttoward 0E+4 0 -> 0E+4
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ddnextt114 nexttoward -0E+4 -0 -> -0E+4
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ddnextt115 nexttoward 0.00000000000 0.000000000000 -> 0E-11
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ddnextt116 nexttoward -0.00000000000 -0.00 -> -0E-11
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ddnextt117 nexttoward 0E-141 0 -> 0E-141
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ddnextt118 nexttoward -0E-141 -000 -> -0E-141
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-- full coefficients, alternating bits
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ddnextt121 nexttoward 268268268 268268268 -> 268268268
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ddnextt122 nexttoward -268268268 -268268268 -> -268268268
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ddnextt123 nexttoward 134134134 134134134 -> 134134134
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ddnextt124 nexttoward -134134134 -134134134 -> -134134134
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-- Nmax, Nmin, Ntiny
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ddnextt131 nexttoward 9.999999999999999E+384 9.999999999999999E+384 -> 9.999999999999999E+384
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ddnextt132 nexttoward 1E-383 1E-383 -> 1E-383
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ddnextt133 nexttoward 1.000000000000000E-383 1.000000000000000E-383 -> 1.000000000000000E-383
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ddnextt134 nexttoward 1E-398 1E-398 -> 1E-398
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ddnextt135 nexttoward -1E-398 -1E-398 -> -1E-398
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ddnextt136 nexttoward -1.000000000000000E-383 -1.000000000000000E-383 -> -1.000000000000000E-383
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ddnextt137 nexttoward -1E-383 -1E-383 -> -1E-383
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ddnextt138 nexttoward -9.999999999999999E+384 -9.999999999999999E+384 -> -9.999999999999999E+384
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------- lhs<rhs
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ddnextt201 nexttoward 0.9999999999999995 Infinity -> 0.9999999999999996
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ddnextt202 nexttoward 0.9999999999999996 Infinity -> 0.9999999999999997
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ddnextt203 nexttoward 0.9999999999999997 Infinity -> 0.9999999999999998
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ddnextt204 nexttoward 0.9999999999999998 Infinity -> 0.9999999999999999
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ddnextt205 nexttoward 0.9999999999999999 Infinity -> 1.000000000000000
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ddnextt206 nexttoward 1.000000000000000 Infinity -> 1.000000000000001
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ddnextt207 nexttoward 1.0 Infinity -> 1.000000000000001
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ddnextt208 nexttoward 1 Infinity -> 1.000000000000001
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ddnextt209 nexttoward 1.000000000000001 Infinity -> 1.000000000000002
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ddnextt210 nexttoward 1.000000000000002 Infinity -> 1.000000000000003
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ddnextt211 nexttoward 1.000000000000003 Infinity -> 1.000000000000004
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ddnextt212 nexttoward 1.000000000000004 Infinity -> 1.000000000000005
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ddnextt213 nexttoward 1.000000000000005 Infinity -> 1.000000000000006
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ddnextt214 nexttoward 1.000000000000006 Infinity -> 1.000000000000007
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ddnextt215 nexttoward 1.000000000000007 Infinity -> 1.000000000000008
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ddnextt216 nexttoward 1.000000000000008 Infinity -> 1.000000000000009
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ddnextt217 nexttoward 1.000000000000009 Infinity -> 1.000000000000010
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ddnextt218 nexttoward 1.000000000000010 Infinity -> 1.000000000000011
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ddnextt219 nexttoward 1.000000000000011 Infinity -> 1.000000000000012
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ddnextt221 nexttoward -0.9999999999999995 Infinity -> -0.9999999999999994
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ddnextt222 nexttoward -0.9999999999999996 Infinity -> -0.9999999999999995
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ddnextt223 nexttoward -0.9999999999999997 Infinity -> -0.9999999999999996
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ddnextt224 nexttoward -0.9999999999999998 Infinity -> -0.9999999999999997
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ddnextt225 nexttoward -0.9999999999999999 Infinity -> -0.9999999999999998
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ddnextt226 nexttoward -1.000000000000000 Infinity -> -0.9999999999999999
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ddnextt227 nexttoward -1.0 Infinity -> -0.9999999999999999
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ddnextt228 nexttoward -1 Infinity -> -0.9999999999999999
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ddnextt229 nexttoward -1.000000000000001 Infinity -> -1.000000000000000
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ddnextt230 nexttoward -1.000000000000002 Infinity -> -1.000000000000001
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ddnextt231 nexttoward -1.000000000000003 Infinity -> -1.000000000000002
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ddnextt232 nexttoward -1.000000000000004 Infinity -> -1.000000000000003
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ddnextt233 nexttoward -1.000000000000005 Infinity -> -1.000000000000004
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ddnextt234 nexttoward -1.000000000000006 Infinity -> -1.000000000000005
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ddnextt235 nexttoward -1.000000000000007 Infinity -> -1.000000000000006
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ddnextt236 nexttoward -1.000000000000008 Infinity -> -1.000000000000007
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ddnextt237 nexttoward -1.000000000000009 Infinity -> -1.000000000000008
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ddnextt238 nexttoward -1.000000000000010 Infinity -> -1.000000000000009
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ddnextt239 nexttoward -1.000000000000011 Infinity -> -1.000000000000010
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ddnextt240 nexttoward -1.000000000000012 Infinity -> -1.000000000000011
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-- Zeros
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ddnextt300 nexttoward 0 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt301 nexttoward 0.00 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt302 nexttoward 0E-300 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt303 nexttoward 0E+300 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt304 nexttoward 0E+30000 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt305 nexttoward -0 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt306 nexttoward -0.00 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt307 nexttoward -0E-300 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt308 nexttoward -0E+300 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt309 nexttoward -0E+30000 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
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-- specials
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ddnextt350 nexttoward Inf Infinity -> Infinity
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ddnextt351 nexttoward -Inf Infinity -> -9.999999999999999E+384
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ddnextt352 nexttoward NaN Infinity -> NaN
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ddnextt353 nexttoward sNaN Infinity -> NaN Invalid_operation
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ddnextt354 nexttoward NaN77 Infinity -> NaN77
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ddnextt355 nexttoward sNaN88 Infinity -> NaN88 Invalid_operation
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ddnextt356 nexttoward -NaN Infinity -> -NaN
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ddnextt357 nexttoward -sNaN Infinity -> -NaN Invalid_operation
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ddnextt358 nexttoward -NaN77 Infinity -> -NaN77
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ddnextt359 nexttoward -sNaN88 Infinity -> -NaN88 Invalid_operation
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-- Nmax, Nmin, Ntiny, subnormals
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ddnextt370 nexttoward -9.999999999999999E+384 Infinity -> -9.999999999999998E+384
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ddnextt371 nexttoward -9.999999999999998E+384 Infinity -> -9.999999999999997E+384
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ddnextt372 nexttoward -1E-383 Infinity -> -9.99999999999999E-384 Underflow Subnormal Inexact Rounded
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ddnextt373 nexttoward -1.000000000000000E-383 Infinity -> -9.99999999999999E-384 Underflow Subnormal Inexact Rounded
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ddnextt374 nexttoward -9E-398 Infinity -> -8E-398 Underflow Subnormal Inexact Rounded
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ddnextt375 nexttoward -9.9E-397 Infinity -> -9.8E-397 Underflow Subnormal Inexact Rounded
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ddnextt376 nexttoward -9.99999999999E-387 Infinity -> -9.99999999998E-387 Underflow Subnormal Inexact Rounded
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ddnextt377 nexttoward -9.99999999999999E-384 Infinity -> -9.99999999999998E-384 Underflow Subnormal Inexact Rounded
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ddnextt378 nexttoward -9.99999999999998E-384 Infinity -> -9.99999999999997E-384 Underflow Subnormal Inexact Rounded
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ddnextt379 nexttoward -9.99999999999997E-384 Infinity -> -9.99999999999996E-384 Underflow Subnormal Inexact Rounded
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ddnextt380 nexttoward -0E-398 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt381 nexttoward -1E-398 Infinity -> -0E-398 Underflow Subnormal Inexact Rounded Clamped
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ddnextt382 nexttoward -2E-398 Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
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ddnextt383 nexttoward 0E-398 Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt384 nexttoward 1E-398 Infinity -> 2E-398 Underflow Subnormal Inexact Rounded
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ddnextt385 nexttoward 2E-398 Infinity -> 3E-398 Underflow Subnormal Inexact Rounded
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ddnextt386 nexttoward 10E-398 Infinity -> 1.1E-397 Underflow Subnormal Inexact Rounded
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ddnextt387 nexttoward 100E-398 Infinity -> 1.01E-396 Underflow Subnormal Inexact Rounded
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ddnextt388 nexttoward 100000E-398 Infinity -> 1.00001E-393 Underflow Subnormal Inexact Rounded
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ddnextt389 nexttoward 1.00000000000E-383 Infinity -> 1.000000000000001E-383
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ddnextt390 nexttoward 1.000000000000000E-383 Infinity -> 1.000000000000001E-383
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ddnextt391 nexttoward 1E-383 Infinity -> 1.000000000000001E-383
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ddnextt392 nexttoward 9.999999999999997E+384 Infinity -> 9.999999999999998E+384
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ddnextt393 nexttoward 9.999999999999998E+384 Infinity -> 9.999999999999999E+384
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ddnextt394 nexttoward 9.999999999999999E+384 Infinity -> Infinity Overflow Inexact Rounded
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------- lhs>rhs
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ddnextt401 nexttoward 0.9999999999999995 -Infinity -> 0.9999999999999994
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ddnextt402 nexttoward 0.9999999999999996 -Infinity -> 0.9999999999999995
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ddnextt403 nexttoward 0.9999999999999997 -Infinity -> 0.9999999999999996
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ddnextt404 nexttoward 0.9999999999999998 -Infinity -> 0.9999999999999997
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ddnextt405 nexttoward 0.9999999999999999 -Infinity -> 0.9999999999999998
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ddnextt406 nexttoward 1.000000000000000 -Infinity -> 0.9999999999999999
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ddnextt407 nexttoward 1.0 -Infinity -> 0.9999999999999999
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ddnextt408 nexttoward 1 -Infinity -> 0.9999999999999999
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ddnextt409 nexttoward 1.000000000000001 -Infinity -> 1.000000000000000
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ddnextt410 nexttoward 1.000000000000002 -Infinity -> 1.000000000000001
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ddnextt411 nexttoward 1.000000000000003 -Infinity -> 1.000000000000002
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ddnextt412 nexttoward 1.000000000000004 -Infinity -> 1.000000000000003
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ddnextt413 nexttoward 1.000000000000005 -Infinity -> 1.000000000000004
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ddnextt414 nexttoward 1.000000000000006 -Infinity -> 1.000000000000005
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ddnextt415 nexttoward 1.000000000000007 -Infinity -> 1.000000000000006
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ddnextt416 nexttoward 1.000000000000008 -Infinity -> 1.000000000000007
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ddnextt417 nexttoward 1.000000000000009 -Infinity -> 1.000000000000008
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ddnextt418 nexttoward 1.000000000000010 -Infinity -> 1.000000000000009
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ddnextt419 nexttoward 1.000000000000011 -Infinity -> 1.000000000000010
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ddnextt420 nexttoward 1.000000000000012 -Infinity -> 1.000000000000011
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ddnextt421 nexttoward -0.9999999999999995 -Infinity -> -0.9999999999999996
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ddnextt422 nexttoward -0.9999999999999996 -Infinity -> -0.9999999999999997
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ddnextt423 nexttoward -0.9999999999999997 -Infinity -> -0.9999999999999998
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ddnextt424 nexttoward -0.9999999999999998 -Infinity -> -0.9999999999999999
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ddnextt425 nexttoward -0.9999999999999999 -Infinity -> -1.000000000000000
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ddnextt426 nexttoward -1.000000000000000 -Infinity -> -1.000000000000001
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ddnextt427 nexttoward -1.0 -Infinity -> -1.000000000000001
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ddnextt428 nexttoward -1 -Infinity -> -1.000000000000001
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ddnextt429 nexttoward -1.000000000000001 -Infinity -> -1.000000000000002
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ddnextt430 nexttoward -1.000000000000002 -Infinity -> -1.000000000000003
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ddnextt431 nexttoward -1.000000000000003 -Infinity -> -1.000000000000004
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ddnextt432 nexttoward -1.000000000000004 -Infinity -> -1.000000000000005
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ddnextt433 nexttoward -1.000000000000005 -Infinity -> -1.000000000000006
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ddnextt434 nexttoward -1.000000000000006 -Infinity -> -1.000000000000007
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ddnextt435 nexttoward -1.000000000000007 -Infinity -> -1.000000000000008
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ddnextt436 nexttoward -1.000000000000008 -Infinity -> -1.000000000000009
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ddnextt437 nexttoward -1.000000000000009 -Infinity -> -1.000000000000010
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ddnextt438 nexttoward -1.000000000000010 -Infinity -> -1.000000000000011
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ddnextt439 nexttoward -1.000000000000011 -Infinity -> -1.000000000000012
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-- Zeros
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ddnextt500 nexttoward -0 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
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ddnextt501 nexttoward 0 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
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ddnextt502 nexttoward 0.00 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
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ddnextt503 nexttoward -0.00 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
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ddnextt504 nexttoward 0E-300 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
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ddnextt505 nexttoward 0E+300 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
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ddnextt506 nexttoward 0E+30000 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
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ddnextt507 nexttoward -0E+30000 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
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-- specials
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ddnextt550 nexttoward Inf -Infinity -> 9.999999999999999E+384
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ddnextt551 nexttoward -Inf -Infinity -> -Infinity
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ddnextt552 nexttoward NaN -Infinity -> NaN
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ddnextt553 nexttoward sNaN -Infinity -> NaN Invalid_operation
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ddnextt554 nexttoward NaN77 -Infinity -> NaN77
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ddnextt555 nexttoward sNaN88 -Infinity -> NaN88 Invalid_operation
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ddnextt556 nexttoward -NaN -Infinity -> -NaN
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ddnextt557 nexttoward -sNaN -Infinity -> -NaN Invalid_operation
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ddnextt558 nexttoward -NaN77 -Infinity -> -NaN77
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ddnextt559 nexttoward -sNaN88 -Infinity -> -NaN88 Invalid_operation
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-- Nmax, Nmin, Ntiny, subnormals
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ddnextt670 nexttoward 9.999999999999999E+384 -Infinity -> 9.999999999999998E+384
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ddnextt671 nexttoward 9.999999999999998E+384 -Infinity -> 9.999999999999997E+384
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ddnextt672 nexttoward 1E-383 -Infinity -> 9.99999999999999E-384 Underflow Subnormal Inexact Rounded
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ddnextt673 nexttoward 1.000000000000000E-383 -Infinity -> 9.99999999999999E-384 Underflow Subnormal Inexact Rounded
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ddnextt674 nexttoward 9E-398 -Infinity -> 8E-398 Underflow Subnormal Inexact Rounded
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ddnextt675 nexttoward 9.9E-397 -Infinity -> 9.8E-397 Underflow Subnormal Inexact Rounded
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ddnextt676 nexttoward 9.99999999999E-387 -Infinity -> 9.99999999998E-387 Underflow Subnormal Inexact Rounded
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ddnextt677 nexttoward 9.99999999999999E-384 -Infinity -> 9.99999999999998E-384 Underflow Subnormal Inexact Rounded
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ddnextt678 nexttoward 9.99999999999998E-384 -Infinity -> 9.99999999999997E-384 Underflow Subnormal Inexact Rounded
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ddnextt679 nexttoward 9.99999999999997E-384 -Infinity -> 9.99999999999996E-384 Underflow Subnormal Inexact Rounded
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ddnextt680 nexttoward 0E-398 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
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ddnextt681 nexttoward 1E-398 -Infinity -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
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ddnextt682 nexttoward 2E-398 -Infinity -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt683 nexttoward -0E-398 -Infinity -> -1E-398 Underflow Subnormal Inexact Rounded
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ddnextt684 nexttoward -1E-398 -Infinity -> -2E-398 Underflow Subnormal Inexact Rounded
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ddnextt685 nexttoward -2E-398 -Infinity -> -3E-398 Underflow Subnormal Inexact Rounded
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ddnextt686 nexttoward -10E-398 -Infinity -> -1.1E-397 Underflow Subnormal Inexact Rounded
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ddnextt687 nexttoward -100E-398 -Infinity -> -1.01E-396 Underflow Subnormal Inexact Rounded
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ddnextt688 nexttoward -100000E-398 -Infinity -> -1.00001E-393 Underflow Subnormal Inexact Rounded
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ddnextt689 nexttoward -1.00000000000E-383 -Infinity -> -1.000000000000001E-383
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ddnextt690 nexttoward -1.000000000000000E-383 -Infinity -> -1.000000000000001E-383
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ddnextt691 nexttoward -1E-383 -Infinity -> -1.000000000000001E-383
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ddnextt692 nexttoward -9.999999999999998E+384 -Infinity -> -9.999999999999999E+384
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ddnextt693 nexttoward -9.999999999999999E+384 -Infinity -> -Infinity Overflow Inexact Rounded
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------- Specials
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ddnextt780 nexttoward -Inf -Inf -> -Infinity
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ddnextt781 nexttoward -Inf -1000 -> -9.999999999999999E+384
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ddnextt782 nexttoward -Inf -1 -> -9.999999999999999E+384
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ddnextt783 nexttoward -Inf -0 -> -9.999999999999999E+384
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ddnextt784 nexttoward -Inf 0 -> -9.999999999999999E+384
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ddnextt785 nexttoward -Inf 1 -> -9.999999999999999E+384
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ddnextt786 nexttoward -Inf 1000 -> -9.999999999999999E+384
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ddnextt787 nexttoward -1000 -Inf -> -1000.000000000001
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ddnextt788 nexttoward -Inf -Inf -> -Infinity
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ddnextt789 nexttoward -1 -Inf -> -1.000000000000001
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ddnextt790 nexttoward -0 -Inf -> -1E-398 Underflow Subnormal Inexact Rounded
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ddnextt791 nexttoward 0 -Inf -> -1E-398 Underflow Subnormal Inexact Rounded
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ddnextt792 nexttoward 1 -Inf -> 0.9999999999999999
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ddnextt793 nexttoward 1000 -Inf -> 999.9999999999999
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ddnextt794 nexttoward Inf -Inf -> 9.999999999999999E+384
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ddnextt800 nexttoward Inf -Inf -> 9.999999999999999E+384
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ddnextt801 nexttoward Inf -1000 -> 9.999999999999999E+384
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ddnextt802 nexttoward Inf -1 -> 9.999999999999999E+384
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ddnextt803 nexttoward Inf -0 -> 9.999999999999999E+384
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ddnextt804 nexttoward Inf 0 -> 9.999999999999999E+384
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ddnextt805 nexttoward Inf 1 -> 9.999999999999999E+384
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ddnextt806 nexttoward Inf 1000 -> 9.999999999999999E+384
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ddnextt807 nexttoward Inf Inf -> Infinity
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ddnextt808 nexttoward -1000 Inf -> -999.9999999999999
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ddnextt809 nexttoward -Inf Inf -> -9.999999999999999E+384
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ddnextt810 nexttoward -1 Inf -> -0.9999999999999999
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ddnextt811 nexttoward -0 Inf -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt812 nexttoward 0 Inf -> 1E-398 Underflow Subnormal Inexact Rounded
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ddnextt813 nexttoward 1 Inf -> 1.000000000000001
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ddnextt814 nexttoward 1000 Inf -> 1000.000000000001
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ddnextt815 nexttoward Inf Inf -> Infinity
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ddnextt821 nexttoward NaN -Inf -> NaN
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ddnextt822 nexttoward NaN -1000 -> NaN
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ddnextt823 nexttoward NaN -1 -> NaN
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ddnextt824 nexttoward NaN -0 -> NaN
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ddnextt825 nexttoward NaN 0 -> NaN
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ddnextt826 nexttoward NaN 1 -> NaN
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ddnextt827 nexttoward NaN 1000 -> NaN
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ddnextt828 nexttoward NaN Inf -> NaN
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ddnextt829 nexttoward NaN NaN -> NaN
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ddnextt830 nexttoward -Inf NaN -> NaN
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ddnextt831 nexttoward -1000 NaN -> NaN
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ddnextt832 nexttoward -1 NaN -> NaN
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ddnextt833 nexttoward -0 NaN -> NaN
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ddnextt834 nexttoward 0 NaN -> NaN
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ddnextt835 nexttoward 1 NaN -> NaN
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ddnextt836 nexttoward 1000 NaN -> NaN
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ddnextt837 nexttoward Inf NaN -> NaN
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ddnextt841 nexttoward sNaN -Inf -> NaN Invalid_operation
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ddnextt842 nexttoward sNaN -1000 -> NaN Invalid_operation
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ddnextt843 nexttoward sNaN -1 -> NaN Invalid_operation
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ddnextt844 nexttoward sNaN -0 -> NaN Invalid_operation
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ddnextt845 nexttoward sNaN 0 -> NaN Invalid_operation
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ddnextt846 nexttoward sNaN 1 -> NaN Invalid_operation
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ddnextt847 nexttoward sNaN 1000 -> NaN Invalid_operation
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ddnextt848 nexttoward sNaN NaN -> NaN Invalid_operation
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ddnextt849 nexttoward sNaN sNaN -> NaN Invalid_operation
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ddnextt850 nexttoward NaN sNaN -> NaN Invalid_operation
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ddnextt851 nexttoward -Inf sNaN -> NaN Invalid_operation
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ddnextt852 nexttoward -1000 sNaN -> NaN Invalid_operation
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ddnextt853 nexttoward -1 sNaN -> NaN Invalid_operation
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ddnextt854 nexttoward -0 sNaN -> NaN Invalid_operation
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ddnextt855 nexttoward 0 sNaN -> NaN Invalid_operation
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ddnextt856 nexttoward 1 sNaN -> NaN Invalid_operation
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ddnextt857 nexttoward 1000 sNaN -> NaN Invalid_operation
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ddnextt858 nexttoward Inf sNaN -> NaN Invalid_operation
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ddnextt859 nexttoward NaN sNaN -> NaN Invalid_operation
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-- propagating NaNs
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ddnextt861 nexttoward NaN1 -Inf -> NaN1
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ddnextt862 nexttoward +NaN2 -1000 -> NaN2
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ddnextt863 nexttoward NaN3 1000 -> NaN3
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ddnextt864 nexttoward NaN4 Inf -> NaN4
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ddnextt865 nexttoward NaN5 +NaN6 -> NaN5
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ddnextt866 nexttoward -Inf NaN7 -> NaN7
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ddnextt867 nexttoward -1000 NaN8 -> NaN8
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ddnextt868 nexttoward 1000 NaN9 -> NaN9
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ddnextt869 nexttoward Inf +NaN10 -> NaN10
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ddnextt871 nexttoward sNaN11 -Inf -> NaN11 Invalid_operation
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ddnextt872 nexttoward sNaN12 -1000 -> NaN12 Invalid_operation
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ddnextt873 nexttoward sNaN13 1000 -> NaN13 Invalid_operation
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ddnextt874 nexttoward sNaN14 NaN17 -> NaN14 Invalid_operation
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ddnextt875 nexttoward sNaN15 sNaN18 -> NaN15 Invalid_operation
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ddnextt876 nexttoward NaN16 sNaN19 -> NaN19 Invalid_operation
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ddnextt877 nexttoward -Inf +sNaN20 -> NaN20 Invalid_operation
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ddnextt878 nexttoward -1000 sNaN21 -> NaN21 Invalid_operation
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ddnextt879 nexttoward 1000 sNaN22 -> NaN22 Invalid_operation
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ddnextt880 nexttoward Inf sNaN23 -> NaN23 Invalid_operation
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ddnextt881 nexttoward +NaN25 +sNaN24 -> NaN24 Invalid_operation
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ddnextt882 nexttoward -NaN26 NaN28 -> -NaN26
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ddnextt883 nexttoward -sNaN27 sNaN29 -> -NaN27 Invalid_operation
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ddnextt884 nexttoward 1000 -NaN30 -> -NaN30
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ddnextt885 nexttoward 1000 -sNaN31 -> -NaN31 Invalid_operation
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-- Null tests
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ddnextt900 nexttoward 1 # -> NaN Invalid_operation
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ddnextt901 nexttoward # 1 -> NaN Invalid_operation
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