------------------------------------------------------------------------

-- clamp.decTest -- clamped exponent tests (format-independent)       --

-- Copyright (c) IBM Corporation, 2000, 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         --

--   mfc@uk.ibm.com                                                   --

------------------------------------------------------------------------

version: 2.58

-- This set of tests uses the same limits as the 8-byte concrete

-- representation, but applies clamping without using format-specific

-- conversions.

extended:    1

precision:   16

rounding:    half_even

maxExponent: 384

minExponent: -383

clamp:       1

-- General testcases

-- Normality

clam010 apply   1234567890123456   ->  1234567890123456

clam011 apply   1234567890123456.0 ->  1234567890123456 Rounded

clam012 apply   1234567890123456.1 ->  1234567890123456 Rounded Inexact

clam013 apply  -1234567890123456   -> -1234567890123456

clam014 apply  -1234567890123456.0 -> -1234567890123456 Rounded

clam015 apply  -1234567890123456.1 -> -1234567890123456 Rounded Inexact

-- Nmax and similar

clam022 apply   9.999999999999999E+384  -> 9.999999999999999E+384

clam024 apply   1.234567890123456E+384  -> 1.234567890123456E+384

-- fold-downs (more below)

clam030 apply   1.23E+384               -> 1.230000000000000E+384 Clamped

clam032 apply   1E+384                  -> 1.000000000000000E+384 Clamped

clam051 apply   12345                   -> 12345

clam053 apply   1234                    -> 1234

clam055 apply   123                     -> 123

clam057 apply   12                      -> 12

clam059 apply   1                       -> 1

clam061 apply   1.23                    -> 1.23

clam063 apply   123.45                  -> 123.45

-- Nmin and below

clam071 apply   1E-383                  -> 1E-383

clam073 apply   1.000000000000000E-383  -> 1.000000000000000E-383

clam075 apply   1.000000000000001E-383  -> 1.000000000000001E-383

clam077 apply   0.100000000000000E-383  -> 1.00000000000000E-384  Subnormal

clam079 apply   0.000000000000010E-383  -> 1.0E-397               Subnormal

clam081 apply   0.00000000000001E-383   -> 1E-397                 Subnormal

clam083 apply   0.000000000000001E-383  -> 1E-398                 Subnormal

-- underflows

clam090 apply   1e-398                  -> #0000000000000001  Subnormal

clam091 apply   1.9e-398                -> #0000000000000002  Subnormal Underflow Inexact Rounded

clam092 apply   1.1e-398                -> #0000000000000001  Subnormal Underflow Inexact Rounded

clam093 apply   1.00000000001e-398      -> #0000000000000001  Subnormal Underflow Inexact Rounded

clam094 apply   1.00000000000001e-398   -> #0000000000000001  Subnormal Underflow Inexact Rounded

clam095 apply   1.000000000000001e-398  -> #0000000000000001  Subnormal Underflow Inexact Rounded

clam096 apply   0.1e-398                -> #0000000000000000  Subnormal Underflow Inexact Rounded Clamped

clam097 apply   0.00000000001e-398      -> #0000000000000000  Subnormal Underflow Inexact Rounded Clamped

clam098 apply   0.00000000000001e-398   -> #0000000000000000  Subnormal Underflow Inexact Rounded Clamped

clam099 apply   0.000000000000001e-398  -> #0000000000000000  Subnormal Underflow Inexact Rounded Clamped

-- Same again, negatives

-- Nmax and similar

clam122 apply  -9.999999999999999E+384  -> -9.999999999999999E+384

clam124 apply  -1.234567890123456E+384  -> -1.234567890123456E+384

-- fold-downs (more below)

clam130 apply  -1.23E+384               -> -1.230000000000000E+384 Clamped

clam132 apply  -1E+384                  -> -1.000000000000000E+384 Clamped

clam151 apply  -12345                   -> -12345

clam153 apply  -1234                    -> -1234

clam155 apply  -123                     -> -123

clam157 apply  -12                      -> -12

clam159 apply  -1                       -> -1

clam161 apply  -1.23                    -> -1.23

clam163 apply  -123.45                  -> -123.45

-- Nmin and below

clam171 apply  -1E-383                  -> -1E-383

clam173 apply  -1.000000000000000E-383  -> -1.000000000000000E-383

clam175 apply  -1.000000000000001E-383  -> -1.000000000000001E-383

clam177 apply  -0.100000000000000E-383  -> -1.00000000000000E-384  Subnormal

clam179 apply  -0.000000000000010E-383  -> -1.0E-397               Subnormal

clam181 apply  -0.00000000000001E-383   -> -1E-397                 Subnormal

clam183 apply  -0.000000000000001E-383  -> -1E-398                 Subnormal

-- underflows

clam189 apply   -1e-398                 -> #8000000000000001  Subnormal

clam190 apply   -1.0e-398               -> #8000000000000001  Subnormal Rounded

clam191 apply   -1.9e-398               -> #8000000000000002  Subnormal Underflow Inexact Rounded

clam192 apply   -1.1e-398               -> #8000000000000001  Subnormal Underflow Inexact Rounded

clam193 apply   -1.00000000001e-398     -> #8000000000000001  Subnormal Underflow Inexact Rounded

clam194 apply   -1.00000000000001e-398  -> #8000000000000001  Subnormal Underflow Inexact Rounded

clam195 apply   -1.000000000000001e-398 -> #8000000000000001  Subnormal Underflow Inexact Rounded

clam196 apply   -0.1e-398               -> #8000000000000000  Subnormal Underflow Inexact Rounded Clamped

clam197 apply   -0.00000000001e-398     -> #8000000000000000  Subnormal Underflow Inexact Rounded Clamped

clam198 apply   -0.00000000000001e-398  -> #8000000000000000  Subnormal Underflow Inexact Rounded Clamped

clam199 apply   -0.000000000000001e-398 -> #8000000000000000  Subnormal Underflow Inexact Rounded Clamped

-- zeros

clam401 apply   0E-500                  -> 0E-398  Clamped

clam402 apply   0E-400                  -> 0E-398  Clamped

clam403 apply   0E-398                  -> 0E-398

clam404 apply   0.000000000000000E-383  -> 0E-398

clam405 apply   0E-2                    ->  0.00

clam406 apply   0                       -> 0

clam407 apply   0E+3                    -> 0E+3

clam408 apply   0E+369                  -> 0E+369

-- clamped zeros...

clam410 apply   0E+370                  -> 0E+369 Clamped

clam411 apply   0E+384                  -> 0E+369 Clamped

clam412 apply   0E+400                  -> 0E+369 Clamped

clam413 apply   0E+500                  -> 0E+369 Clamped

-- negative zeros

clam420 apply   -0E-500                 -> -0E-398 Clamped

clam421 apply   -0E-400                 -> -0E-398 Clamped

clam422 apply   -0E-398                 -> -0E-398

clam423 apply   -0.000000000000000E-383 -> -0E-398

clam424 apply   -0E-2                   -> -0.00

clam425 apply   -0                      -> -0

clam426 apply   -0E+3                   -> -0E+3

clam427 apply   -0E+369                 -> -0E+369

-- clamped zeros...

clam431 apply   -0E+370                 -> -0E+369 Clamped

clam432 apply   -0E+384                 -> -0E+369 Clamped

clam433 apply   -0E+400                 -> -0E+369 Clamped

clam434 apply   -0E+500                 -> -0E+369 Clamped

-- fold-down full sequence

clam601 apply   1E+384                  -> 1.000000000000000E+384 Clamped

clam603 apply   1E+383                  -> 1.00000000000000E+383 Clamped

clam605 apply   1E+382                  -> 1.0000000000000E+382 Clamped

clam607 apply   1E+381                  -> 1.000000000000E+381 Clamped

clam609 apply   1E+380                  -> 1.00000000000E+380 Clamped

clam611 apply   1E+379                  -> 1.0000000000E+379 Clamped

clam613 apply   1E+378                  -> 1.000000000E+378 Clamped

clam615 apply   1E+377                  -> 1.00000000E+377 Clamped

clam617 apply   1E+376                  -> 1.0000000E+376 Clamped

clam619 apply   1E+375                  -> 1.000000E+375 Clamped

clam621 apply   1E+374                  -> 1.00000E+374 Clamped

clam623 apply   1E+373                  -> 1.0000E+373 Clamped

clam625 apply   1E+372                  -> 1.000E+372 Clamped

clam627 apply   1E+371                  -> 1.00E+371 Clamped

clam629 apply   1E+370                  -> 1.0E+370 Clamped

clam631 apply   1E+369                  -> 1E+369

clam633 apply   1E+368                  -> 1E+368

-- same with 9s

clam641 apply   9E+384                  -> 9.000000000000000E+384 Clamped

clam643 apply   9E+383                  -> 9.00000000000000E+383 Clamped

clam645 apply   9E+382                  -> 9.0000000000000E+382 Clamped

clam647 apply   9E+381                  -> 9.000000000000E+381 Clamped

clam649 apply   9E+380                  -> 9.00000000000E+380 Clamped

clam651 apply   9E+379                  -> 9.0000000000E+379 Clamped

clam653 apply   9E+378                  -> 9.000000000E+378 Clamped

clam655 apply   9E+377                  -> 9.00000000E+377 Clamped

clam657 apply   9E+376                  -> 9.0000000E+376 Clamped

clam659 apply   9E+375                  -> 9.000000E+375 Clamped

clam661 apply   9E+374                  -> 9.00000E+374 Clamped

clam663 apply   9E+373                  -> 9.0000E+373 Clamped

clam665 apply   9E+372                  -> 9.000E+372 Clamped

clam667 apply   9E+371                  -> 9.00E+371 Clamped

clam669 apply   9E+370                  -> 9.0E+370 Clamped

clam671 apply   9E+369                  -> 9E+369

clam673 apply   9E+368                  -> 9E+368

-- subnormals clamped to 0-Etiny

precision:   16

maxExponent: 384

minExponent: -383

clam681 apply 7E-398     -> 7E-398 Subnormal

clam682 apply 0E-398     -> 0E-398

clam683 apply 7E-399     -> 1E-398 Subnormal Underflow Inexact Rounded

clam684 apply 4E-399     -> 0E-398 Clamped Subnormal Underflow Inexact Rounded

clam685 apply 7E-400     -> 0E-398 Clamped Subnormal Underflow Inexact Rounded

clam686 apply 7E-401     -> 0E-398 Clamped Subnormal Underflow Inexact Rounded

clam687 apply 0E-399     -> 0E-398 Clamped

clam688 apply 0E-400     -> 0E-398 Clamped

clam689 apply 0E-401     -> 0E-398 Clamped

-- example from documentation

precision:   7

rounding:    half_even

maxExponent: +96

minExponent: -95

clamp:       0

clam700 apply   1.23E+96                -> 1.23E+96

clamp:       1

clam701 apply   1.23E+96                -> 1.230000E+96 Clamped