github.com/cockroachdb/apd/v3@v3.2.0/testdata/cuberoot-apd.decTest (about)

     1  -- cuberoot-apd.decTest -- decimal cube root
     2  
     3  -- These tests are not part of the GDA test suite, but were written for
     4  -- apd. They are not as exhaustive as those tests, but do cover a number of
     5  -- useful results.
     6  
     7  extended: 0
     8  precision: 9
     9  rounding: half_up
    10  maxExponent: 999
    11  minExponent: -999
    12  
    13  -- basics
    14  cbtx001 cuberoot 1 -> 1
    15  cbtx002 cuberoot -1 -> -1
    16  cbtx003 cuberoot 1.00 -> 1.0
    17  cbtx004 cuberoot -1.00 -> -1.0
    18  cbtx005 cuberoot 0 -> 0
    19  cbtx006 cuberoot 00.0 -> 0
    20  cbtx007 cuberoot 0.00 -> 0
    21  cbtx008 cuberoot 00.00 -> 0
    22  cbtx009 cuberoot 00 -> 0
    23  
    24  cbtx010 cuberoot -2 -> -1.25992105 Inexact Rounded
    25  cbtx011 cuberoot 2 -> 1.25992105 Inexact Rounded
    26  cbtx012 cuberoot -2.00 -> -1.25992105 Inexact Rounded
    27  cbtx013 cuberoot 2.00 -> 1.25992105 Inexact Rounded
    28  cbtx014 cuberoot -0 -> -0
    29  cbtx015 cuberoot -0.00 -> -0.0
    30  cbtx016 cuberoot -00.0 -> -0.0
    31  cbtx017 cuberoot -0E+9 -> -0E+3
    32  cbtx018 cuberoot -0E+10 -> -0E+3
    33  cbtx019 cuberoot -0E+11 -> -0E+3
    34  cbtx020 cuberoot -0E+12 -> -0E+4
    35  cbtx021 cuberoot -00 -> -0
    36  cbtx022 cuberoot 0E+5 -> 0
    37  cbtx023 cuberoot 8.0 -> 2.0
    38  cbtx024 cuberoot 8.00 -> 2.0
    39  
    40  cbtx030 cuberoot +0.1 -> 0.464158883 Inexact Rounded
    41  cbtx031 cuberoot -0.1 -> -0.464158883 Inexact Rounded
    42  cbtx032 cuberoot +0.01 -> 0.215443469 Inexact Rounded
    43  cbtx033 cuberoot -0.01 -> -0.215443469 Inexact Rounded
    44  cbtx034 cuberoot +0.001 -> 0.1
    45  cbtx035 cuberoot -0.001 -> -0.1
    46  cbtx036 cuberoot +0.000001 -> 0.01
    47  cbtx037 cuberoot -0.000001 -> -0.01
    48  cbtx038 cuberoot +0.000000000001 -> 0.0001
    49  cbtx039 cuberoot -0.000000000001 -> -0.0001
    50  
    51  cbtx041 cuberoot 1.1 -> 1.03228012 Inexact Rounded
    52  cbtx042 cuberoot 1.10 -> 1.03228012 Inexact Rounded
    53  cbtx043 cuberoot 1.100 -> 1.03228012 Inexact Rounded
    54  cbtx044 cuberoot 1.110 -> 1.03539881 Inexact Rounded
    55  cbtx045 cuberoot -1.1 -> -1.03228012 Inexact Rounded
    56  cbtx046 cuberoot -1.10 -> -1.03228012 Inexact Rounded
    57  cbtx047 cuberoot -1.100 -> -1.03228012 Inexact Rounded
    58  cbtx048 cuberoot -1.110 -> -1.03539881 Inexact Rounded
    59  cbtx049 cuberoot 9.9 -> 2.14722917 Inexact Rounded
    60  cbtx050 cuberoot 9.90 -> 2.14722917 Inexact Rounded
    61  cbtx051 cuberoot 9.900 -> 2.14722917 Inexact Rounded
    62  cbtx052 cuberoot 9.990 -> 2.15371631 Inexact Rounded
    63  cbtx053 cuberoot -9.9 -> -2.14722917 Inexact Rounded
    64  cbtx054 cuberoot -9.90 -> -2.14722917 Inexact Rounded
    65  cbtx055 cuberoot -9.900 -> -2.14722917 Inexact Rounded
    66  cbtx056 cuberoot -9.990 -> -2.15371631 Inexact Rounded
    67  
    68  cbtx060 cuberoot 10.0 -> 2.15443469 Inexact Rounded
    69  cbtx061 cuberoot 10.00 -> 2.15443469 Inexact Rounded
    70  cbtx062 cuberoot 1000.0 -> 10.0
    71  cbtx063 cuberoot 1000.00 -> 10.0
    72  cbtx064 cuberoot 1.1000E+3 -> 10.3228012 Inexact Rounded
    73  cbtx065 cuberoot 1.10000E+3 -> 10.3228012 Inexact Rounded
    74  cbtx066 cuberoot -10.0 -> -2.15443469 Inexact Rounded
    75  cbtx067 cuberoot -10.00 -> -2.15443469 Inexact Rounded
    76  cbtx068 cuberoot -1000.0 -> -10.0
    77  cbtx069 cuberoot -1000.00 -> -10.0
    78  cbtx070 cuberoot -1.1000E+3 -> -10.3228012 Inexact Rounded
    79  cbtx071 cuberoot -1.10000E+3 -> -10.3228012 Inexact Rounded
    80  
    81  -- famous cubes
    82  cbtx080 cuberoot 1 -> 1
    83  cbtx081 cuberoot 8 -> 2
    84  cbtx082 cuberoot 27 -> 3
    85  cbtx083 cuberoot 64 -> 4
    86  cbtx084 cuberoot 125 -> 5
    87  cbtx085 cuberoot 216 -> 6
    88  cbtx086 cuberoot 343 -> 7
    89  cbtx087 cuberoot 512 -> 8
    90  cbtx088 cuberoot 729 -> 9
    91  cbtx089 cuberoot 1000 -> 10
    92  
    93  -- others
    94  precision: 5
    95  
    96  cbtx100 cuberoot 1.0001 -> 1.0000 Inexact Rounded