Merged the decimal-branch (revisions 54886 to 58140). Decimal is now
fully updated to the latests Decimal Specification (v1.66) and the
latests test cases (v2.56).
Thanks to Mark Dickinson for all his help during this process.
diff --git a/Lib/test/decimaltestdata/ddNextToward.decTest b/Lib/test/decimaltestdata/ddNextToward.decTest
new file mode 100644
index 0000000..e00751b
--- /dev/null
+++ b/Lib/test/decimaltestdata/ddNextToward.decTest
@@ -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: 2.56
+
+-- 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
+