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- ------------------------------------------------------------------------
- -- 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: 2.59
- -- 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
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