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📄 abs.decTest(6.14 KB)
📄 add.decTest(137.05 KB)
📄 and.decTest(15.98 KB)
📄 base.decTest(59.92 KB)
📄 clamp.decTest(10.75 KB)
📄 class.decTest(6.23 KB)
📄 compare.decTest(28.93 KB)
📄 comparetotal.decTest(33.62 KB)
📄 comparetotmag.decTest(35.28 KB)
📄 copy.decTest(3.3 KB)
📄 copyabs.decTest(3.4 KB)
📄 copynegate.decTest(3.59 KB)
📄 copysign.decTest(7.21 KB)
📄 ddAbs.decTest(4.79 KB)
📄 ddAdd.decTest(76.26 KB)
📄 ddAnd.decTest(18.18 KB)
📄 ddBase.decTest(53.18 KB)
📄 ddCanonical.decTest(18.46 KB)
📄 ddClass.decTest(3.82 KB)
📄 ddCompare.decTest(29.57 KB)
📄 ddCompareSig.decTest(27.74 KB)
📄 ddCompareTotal.decTest(29.92 KB)
📄 ddCompareTotalMag.decTest(31.66 KB)
📄 ddCopy.decTest(3.54 KB)
📄 ddCopyAbs.decTest(3.64 KB)
📄 ddCopyNegate.decTest(3.79 KB)
📄 ddCopySign.decTest(7.45 KB)
📄 ddDivide.decTest(47.01 KB)
📄 ddDivideInt.decTest(19.13 KB)
📄 ddEncode.decTest(24.11 KB)
📄 ddFMA.decTest(99.79 KB)
📄 ddInvert.decTest(10.12 KB)
📄 ddLogB.decTest(6.09 KB)
📄 ddMax.decTest(12.03 KB)
📄 ddMaxMag.decTest(12.44 KB)
📄 ddMin.decTest(11.69 KB)
📄 ddMinMag.decTest(11.35 KB)
📄 ddMinus.decTest(3.7 KB)
📄 ddMultiply.decTest(28.62 KB)
📄 ddNextMinus.decTest(6.67 KB)
📄 ddNextPlus.decTest(6.57 KB)
📄 ddNextToward.decTest(24.4 KB)
📄 ddOr.decTest(15.65 KB)
📄 ddPlus.decTest(3.66 KB)
📄 ddQuantize.decTest(41.5 KB)
📄 ddReduce.decTest(7.29 KB)
📄 ddRemainder.decTest(26.35 KB)
📄 ddRemainderNear.decTest(29.55 KB)
📄 ddRotate.decTest(13.75 KB)
📄 ddSameQuantum.decTest(17.13 KB)
📄 ddScaleB.decTest(12.49 KB)
📄 ddShift.decTest(13.1 KB)
📄 ddSubtract.decTest(34.57 KB)
📄 ddToIntegral.decTest(11.91 KB)
📄 ddXor.decTest(17.29 KB)
📄 decDouble.decTest(2.16 KB)
📄 decQuad.decTest(2.16 KB)
📄 decSingle.decTest(1.42 KB)
📄 divide.decTest(36.92 KB)
📄 divideint.decTest(19.96 KB)
📄 dqAbs.decTest(5.15 KB)
📄 dqAdd.decTest(87.11 KB)
📄 dqAnd.decTest(28.44 KB)
📄 dqBase.decTest(57.57 KB)
📄 dqCanonical.decTest(26.68 KB)
📄 dqClass.decTest(3.93 KB)
📄 dqCompare.decTest(32.35 KB)
📄 dqCompareSig.decTest(29 KB)
📄 dqCompareTotal.decTest(30.12 KB)
📄 dqCompareTotalMag.decTest(31.86 KB)
📄 dqCopy.decTest(3.89 KB)
📄 dqCopyAbs.decTest(4 KB)
📄 dqCopyNegate.decTest(4.15 KB)
📄 dqCopySign.decTest(8.04 KB)
📄 dqDivide.decTest(53.81 KB)
📄 dqDivideInt.decTest(19.36 KB)
📄 dqEncode.decTest(30.69 KB)
📄 dqFMA.decTest(126.94 KB)
📄 dqInvert.decTest(15.75 KB)
📄 dqLogB.decTest(6.23 KB)
📄 dqMax.decTest(12.06 KB)
📄 dqMaxMag.decTest(12.49 KB)
📄 dqMin.decTest(11.72 KB)
📄 dqMinMag.decTest(11.38 KB)
📄 dqMinus.decTest(4.06 KB)
📄 dqMultiply.decTest(31.73 KB)
📄 dqNextMinus.decTest(8.45 KB)
📄 dqNextPlus.decTest(8.33 KB)
📄 dqNextToward.decTest(29.03 KB)
📄 dqOr.decTest(29.9 KB)
📄 dqPlus.decTest(4.02 KB)
📄 dqQuantize.decTest(42.08 KB)
📄 dqReduce.decTest(7.64 KB)
📄 dqRemainder.decTest(26.92 KB)
📄 dqRemainderNear.decTest(30.56 KB)
📄 dqRotate.decTest(20.49 KB)
📄 dqSameQuantum.decTest(17.72 KB)
📄 dqScaleB.decTest(15.68 KB)
📄 dqShift.decTest(18.98 KB)
📄 dqSubtract.decTest(40.95 KB)
📄 dqToIntegral.decTest(11.94 KB)
📄 dqXor.decTest(27.6 KB)
📄 dsBase.decTest(48.4 KB)
📄 dsEncode.decTest(15.51 KB)
📄 exp.decTest(38.52 KB)
📄 extra.decTest(90.34 KB)
📄 fma.decTest(190.75 KB)
📄 inexact.decTest(10.25 KB)
📄 invert.decTest(8.09 KB)
📄 ln.decTest(34.69 KB)
📄 log10.decTest(31.93 KB)
📄 logb.decTest(7.15 KB)
📄 max.decTest(15.6 KB)
📄 maxmag.decTest(16.95 KB)
📄 min.decTest(15.32 KB)
📄 minmag.decTest(15.08 KB)
📄 minus.decTest(7.25 KB)
📄 multiply.decTest(37.42 KB)
📄 nextminus.decTest(6.78 KB)
📄 nextplus.decTest(6.76 KB)
📄 nexttoward.decTest(24.63 KB)
📄 or.decTest(15.49 KB)
📄 plus.decTest(7.7 KB)
📄 power.decTest(92.75 KB)
📄 powersqrt.decTest(154.94 KB)
📄 quantize.decTest(46.17 KB)
📄 randomBound32.decTest(297.37 KB)
📄 randoms.decTest(284.25 KB)
📄 reduce.decTest(9.1 KB)
📄 remainder.decTest(26.49 KB)
📄 remainderNear.decTest(24.43 KB)
📄 rescale.decTest(34.43 KB)
📄 rotate.decTest(11.61 KB)
📄 rounding.decTest(62.28 KB)
📄 samequantum.decTest(15.82 KB)
📄 scaleb.decTest(9.68 KB)
📄 shift.decTest(11.4 KB)
📄 squareroot.decTest(187.95 KB)
📄 subtract.decTest(43.27 KB)
📄 testall.decTest(2.67 KB)
📄 tointegral.decTest(8.66 KB)
📄 tointegralx.decTest(11.58 KB)
📄 xor.decTest(15.95 KB)

Editing: minus.decTest

------------------------------------------------------------------------
-- minus.decTest -- decimal negation                                  --
-- Copyright (c) IBM Corporation, 1981, 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 primarily tests the existence of the operator.
-- Subtraction, rounding, and more overflows are tested elsewhere.

extended:    1
precision:   9
rounding:    half_up
maxExponent: 384
minexponent: -383

minx001 minus '1'      -> '-1'
minx002 minus '-1'     -> '1'
minx003 minus '1.00'   -> '-1.00'
minx004 minus '-1.00'  -> '1.00'
minx005 minus '0'      -> '0'
minx006 minus '0.00'   -> '0.00'
minx007 minus '00.0'   -> '0.0'
minx008 minus '00.00'  -> '0.00'
minx009 minus '00'     -> '0'

minx010 minus '-2'     -> '2'
minx011 minus '2'      -> '-2'
minx012 minus '-2.00'  -> '2.00'
minx013 minus '2.00'   -> '-2.00'
minx014 minus '-0'     -> '0'
minx015 minus '-0.00'  -> '0.00'
minx016 minus '-00.0'  -> '0.0'
minx017 minus '-00.00' -> '0.00'
minx018 minus '-00'    -> '0'

-- "lhs" zeros in plus and minus have exponent = operand
minx020 minus '-0E3'   -> '0E+3'
minx021 minus '-0E2'   -> '0E+2'
minx022 minus '-0E1'   -> '0E+1'
minx023 minus '-0E0'   -> '0'
minx024 minus '+0E0'   -> '0'
minx025 minus '+0E1'   -> '0E+1'
minx026 minus '+0E2'   -> '0E+2'
minx027 minus '+0E3'   -> '0E+3'

minx030 minus '-5E3'   -> '5E+3'
minx031 minus '-5E8'   -> '5E+8'
minx032 minus '-5E13'  -> '5E+13'
minx033 minus '-5E18'  -> '5E+18'
minx034 minus '+5E3'   -> '-5E+3'
minx035 minus '+5E8'   -> '-5E+8'
minx036 minus '+5E13'  -> '-5E+13'
minx037 minus '+5E18'  -> '-5E+18'

minx050 minus '-2000000' -> '2000000'
minx051 minus '2000000'  -> '-2000000'
precision: 7
minx052 minus '-2000000' -> '2000000'
minx053 minus '2000000'  -> '-2000000'
precision: 6
minx054 minus '-2000000' -> '2.00000E+6' Rounded
minx055 minus '2000000'  -> '-2.00000E+6' Rounded
precision: 3
minx056 minus '-2000000' -> '2.00E+6' Rounded
minx057 minus '2000000'  -> '-2.00E+6' Rounded

-- more fixed, potential LHS swaps/overlays if done by 0 subtract x
precision: 9
minx060 minus '56267E-10'   -> '-0.0000056267'
minx061 minus '56267E-5'    -> '-0.56267'
minx062 minus '56267E-2'    -> '-562.67'
minx063 minus '56267E-1'    -> '-5626.7'
minx065 minus '56267E-0'    -> '-56267'
minx066 minus '56267E+0'    -> '-56267'
minx067 minus '56267E+1'    -> '-5.6267E+5'
minx068 minus '56267E+2'    -> '-5.6267E+6'
minx069 minus '56267E+3'    -> '-5.6267E+7'
minx070 minus '56267E+4'    -> '-5.6267E+8'
minx071 minus '56267E+5'    -> '-5.6267E+9'
minx072 minus '56267E+6'    -> '-5.6267E+10'
minx080 minus '-56267E-10'  -> '0.0000056267'
minx081 minus '-56267E-5'   -> '0.56267'
minx082 minus '-56267E-2'   -> '562.67'
minx083 minus '-56267E-1'   -> '5626.7'
minx085 minus '-56267E-0'   -> '56267'
minx086 minus '-56267E+0'   -> '56267'
minx087 minus '-56267E+1'   -> '5.6267E+5'
minx088 minus '-56267E+2'   -> '5.6267E+6'
minx089 minus '-56267E+3'   -> '5.6267E+7'
minx090 minus '-56267E+4'   -> '5.6267E+8'
minx091 minus '-56267E+5'   -> '5.6267E+9'
minx092 minus '-56267E+6'   -> '5.6267E+10'

-- overflow tests
maxexponent: 999999999
minexponent: -999999999
precision: 3
minx100 minus 9.999E+999999999  -> -Infinity Inexact Overflow Rounded
minx101 minus -9.999E+999999999 ->  Infinity Inexact Overflow Rounded

-- subnormals and underflow
precision: 3
maxexponent: 999
minexponent: -999
minx110 minus  1.00E-999        ->  -1.00E-999
minx111 minus  0.1E-999         ->  -1E-1000   Subnormal
minx112 minus  0.10E-999        ->  -1.0E-1000 Subnormal
minx113 minus  0.100E-999       ->  -1.0E-1000 Subnormal Rounded
minx114 minus  0.01E-999        ->  -1E-1001   Subnormal
-- next is rounded to Emin
minx115 minus  0.999E-999       ->  -1.00E-999 Inexact Rounded Subnormal Underflow
minx116 minus  0.099E-999       ->  -1.0E-1000 Inexact Rounded Subnormal Underflow
minx117 minus  0.009E-999       ->  -1E-1001   Inexact Rounded Subnormal Underflow
minx118 minus  0.001E-999       ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped
minx119 minus  0.0009E-999      ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped
minx120 minus  0.0001E-999      ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped

minx130 minus -1.00E-999        ->   1.00E-999
minx131 minus -0.1E-999         ->   1E-1000   Subnormal
minx132 minus -0.10E-999        ->   1.0E-1000 Subnormal
minx133 minus -0.100E-999       ->   1.0E-1000 Subnormal Rounded
minx134 minus -0.01E-999        ->   1E-1001   Subnormal
-- next is rounded to Emin
minx135 minus -0.999E-999       ->   1.00E-999 Inexact Rounded Subnormal Underflow
minx136 minus -0.099E-999       ->   1.0E-1000 Inexact Rounded Subnormal Underflow
minx137 minus -0.009E-999       ->   1E-1001   Inexact Rounded Subnormal Underflow
minx138 minus -0.001E-999       ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
minx139 minus -0.0009E-999      ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
minx140 minus -0.0001E-999      ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped

-- long operand checks
maxexponent: 999
minexponent: -999
precision: 9
minx301 minus 12345678000  -> -1.23456780E+10 Rounded
minx302 minus 1234567800   -> -1.23456780E+9 Rounded
minx303 minus 1234567890   -> -1.23456789E+9 Rounded
minx304 minus 1234567891   -> -1.23456789E+9 Inexact Rounded
minx305 minus 12345678901  -> -1.23456789E+10 Inexact Rounded
minx306 minus 1234567896   -> -1.23456790E+9 Inexact Rounded

precision: 15
-- still checking
minx321 minus 12345678000  -> -12345678000
minx322 minus 1234567800   -> -1234567800
minx323 minus 1234567890   -> -1234567890
minx324 minus 1234567891   -> -1234567891
minx325 minus 12345678901  -> -12345678901
minx326 minus 1234567896   -> -1234567896

-- specials
minx420 minus 'Inf'    -> '-Infinity'
minx421 minus '-Inf'   -> 'Infinity'
minx422 minus   NaN    ->  NaN
minx423 minus  sNaN    ->  NaN    Invalid_operation
minx424 minus   NaN255 ->  NaN255
minx425 minus  sNaN256 ->  NaN256 Invalid_operation
minx426 minus  -NaN    -> -NaN
minx427 minus -sNaN    -> -NaN    Invalid_operation
minx428 minus  -NaN255 -> -NaN255
minx429 minus -sNaN256 -> -NaN256 Invalid_operation

-- Null tests
minx900 minus  # -> NaN Invalid_operation

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