--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/python-2.5.2/win32/Lib/test/decimaltestdata/ddNextToward.decTest Fri Apr 03 17:19:34 2009 +0100
@@ -0,0 +1,374 @@
+------------------------------------------------------------------------
+-- ddNextToward.decTest -- decDouble next toward rhs [754r nextafter] --
+-- Copyright (c) IBM Corporation, 1981, 2007. All rights reserved. --
+------------------------------------------------------------------------
+-- Please see the document "General Decimal Arithmetic Testcases" --
+-- at http://www2.hursley.ibm.com/decimal for the description of --
+-- these testcases. --
+-- --
+-- These testcases are experimental ('beta' versions), and they --
+-- may contain errors. They are offered on an as-is basis. In --
+-- particular, achieving the same results as the tests here is not --
+-- a guarantee that an implementation complies with any Standard --
+-- or specification. The tests are not exhaustive. --
+-- --
+-- Please send comments, suggestions, and corrections to the author: --
+-- Mike Cowlishaw, IBM Fellow --
+-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
+-- mfc@uk.ibm.com --
+------------------------------------------------------------------------
+version: 2.57
+
+-- 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
+