AppPkg/Applications/Python/Python-2.7.2/Lib/test/decimaltestdata/dqMinus.decTest

   1 ------------------------------------------------------------------------
   2 -- dqMinus.decTest -- decQuad 0-x                                     --
   3 -- Copyright (c) IBM Corporation, 1981, 2008.  All rights reserved.   --
   4 ------------------------------------------------------------------------
   5 -- Please see the document "General Decimal Arithmetic Testcases"     --
   6 -- at http://www2.hursley.ibm.com/decimal for the description of      --
   7 -- these testcases.                                                   --
   8 --                                                                    --
   9 -- These testcases are experimental ('beta' versions), and they       --
  10 -- may contain errors.  They are offered on an as-is basis.  In       --
  11 -- particular, achieving the same results as the tests here is not    --
  12 -- a guarantee that an implementation complies with any Standard      --
  13 -- or specification.  The tests are not exhaustive.                   --
  14 --                                                                    --
  15 -- Please send comments, suggestions, and corrections to the author:  --
  16 --   Mike Cowlishaw, IBM Fellow                                       --
  17 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
  18 --   mfc@uk.ibm.com                                                   --
  19 ------------------------------------------------------------------------
  20 version: 2.59
  21
  22 -- All operands and results are decQuads.
  23 extended:    1
  24 clamp:       1
  25 precision:   34
  26 maxExponent: 6144
  27 minExponent: -6143
  28 rounding:    half_even
  29
  30 -- Sanity check
  31 dqmns001 minus       +7.50  -> -7.50
  32
  33 -- Infinities
  34 dqmns011 minus  Infinity    -> -Infinity
  35 dqmns012 minus  -Infinity   -> Infinity
  36
  37 -- NaNs, 0 payload
  38 dqmns021 minus         NaN  -> NaN
  39 dqmns022 minus        -NaN  -> -NaN
  40 dqmns023 minus        sNaN  -> NaN  Invalid_operation
  41 dqmns024 minus       -sNaN  -> -NaN Invalid_operation
  42
  43 -- NaNs, non-0 payload
  44 dqmns031 minus       NaN13  -> NaN13
  45 dqmns032 minus      -NaN13  -> -NaN13
  46 dqmns033 minus      sNaN13  -> NaN13   Invalid_operation
  47 dqmns034 minus     -sNaN13  -> -NaN13  Invalid_operation
  48 dqmns035 minus       NaN70  -> NaN70
  49 dqmns036 minus      -NaN70  -> -NaN70
  50 dqmns037 minus      sNaN101 -> NaN101  Invalid_operation
  51 dqmns038 minus     -sNaN101 -> -NaN101 Invalid_operation
  52
  53 -- finites
  54 dqmns101 minus          7   -> -7
  55 dqmns102 minus         -7   -> 7
  56 dqmns103 minus         75   -> -75
  57 dqmns104 minus        -75   -> 75
  58 dqmns105 minus       7.50   -> -7.50
  59 dqmns106 minus      -7.50   -> 7.50
  60 dqmns107 minus       7.500  -> -7.500
  61 dqmns108 minus      -7.500  -> 7.500
  62
  63 -- zeros
  64 dqmns111 minus          0   -> 0
  65 dqmns112 minus         -0   -> 0
  66 dqmns113 minus       0E+4   -> 0E+4
  67 dqmns114 minus      -0E+4   -> 0E+4
  68 dqmns115 minus     0.0000   -> 0.0000
  69 dqmns116 minus    -0.0000   -> 0.0000
  70 dqmns117 minus      0E-141  -> 0E-141
  71 dqmns118 minus     -0E-141  -> 0E-141
  72
  73 -- full coefficients, alternating bits
  74 dqmns121 minus   2682682682682682682682682682682682    -> -2682682682682682682682682682682682
  75 dqmns122 minus  -2682682682682682682682682682682682    ->  2682682682682682682682682682682682
  76 dqmns123 minus   1341341341341341341341341341341341    -> -1341341341341341341341341341341341
  77 dqmns124 minus  -1341341341341341341341341341341341    ->  1341341341341341341341341341341341
  78
  79 -- Nmax, Nmin, Ntiny
  80 dqmns131 minus  9.999999999999999999999999999999999E+6144   -> -9.999999999999999999999999999999999E+6144
  81 dqmns132 minus  1E-6143                                     -> -1E-6143
  82 dqmns133 minus  1.000000000000000000000000000000000E-6143   -> -1.000000000000000000000000000000000E-6143
  83 dqmns134 minus  1E-6176                                     -> -1E-6176 Subnormal
  84
  85 dqmns135 minus  -1E-6176                                    ->  1E-6176 Subnormal
  86 dqmns136 minus  -1.000000000000000000000000000000000E-6143  ->  1.000000000000000000000000000000000E-6143
  87 dqmns137 minus  -1E-6143                                    ->  1E-6143
  88 dqmns138 minus  -9.999999999999999999999999999999999E+6144  ->  9.999999999999999999999999999999999E+6144