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

   1 ------------------------------------------------------------------------
   2 -- ddMinus.decTest -- decDouble 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 decDoubles.
  23 precision:   16
  24 maxExponent: 384
  25 minExponent: -383
  26 extended:    1
  27 clamp:       1
  28 rounding:    half_even
  29
  30 -- Sanity check
  31 ddmns001 minus       +7.50  -> -7.50
  32
  33 -- Infinities
  34 ddmns011 minus  Infinity    -> -Infinity
  35 ddmns012 minus  -Infinity   -> Infinity
  36
  37 -- NaNs, 0 payload
  38 ddmns021 minus         NaN  -> NaN
  39 ddmns022 minus        -NaN  -> -NaN
  40 ddmns023 minus        sNaN  -> NaN  Invalid_operation
  41 ddmns024 minus       -sNaN  -> -NaN Invalid_operation
  42
  43 -- NaNs, non-0 payload
  44 ddmns031 minus       NaN13  -> NaN13
  45 ddmns032 minus      -NaN13  -> -NaN13
  46 ddmns033 minus      sNaN13  -> NaN13   Invalid_operation
  47 ddmns034 minus     -sNaN13  -> -NaN13  Invalid_operation
  48 ddmns035 minus       NaN70  -> NaN70
  49 ddmns036 minus      -NaN70  -> -NaN70
  50 ddmns037 minus      sNaN101 -> NaN101  Invalid_operation
  51 ddmns038 minus     -sNaN101 -> -NaN101 Invalid_operation
  52
  53 -- finites
  54 ddmns101 minus          7   -> -7
  55 ddmns102 minus         -7   -> 7
  56 ddmns103 minus         75   -> -75
  57 ddmns104 minus        -75   -> 75
  58 ddmns105 minus       7.50   -> -7.50
  59 ddmns106 minus      -7.50   -> 7.50
  60 ddmns107 minus       7.500  -> -7.500
  61 ddmns108 minus      -7.500  -> 7.500
  62
  63 -- zeros
  64 ddmns111 minus          0   -> 0
  65 ddmns112 minus         -0   -> 0
  66 ddmns113 minus       0E+4   -> 0E+4
  67 ddmns114 minus      -0E+4   -> 0E+4
  68 ddmns115 minus     0.0000   -> 0.0000
  69 ddmns116 minus    -0.0000   -> 0.0000
  70 ddmns117 minus      0E-141  -> 0E-141
  71 ddmns118 minus     -0E-141  -> 0E-141
  72
  73 -- full coefficients, alternating bits
  74 ddmns121 minus  2682682682682682         -> -2682682682682682
  75 ddmns122 minus  -2682682682682682        -> 2682682682682682
  76 ddmns123 minus  1341341341341341         -> -1341341341341341
  77 ddmns124 minus  -1341341341341341        -> 1341341341341341
  78
  79 -- Nmax, Nmin, Ntiny
  80 ddmns131 minus  9.999999999999999E+384   -> -9.999999999999999E+384
  81 ddmns132 minus  1E-383                   -> -1E-383
  82 ddmns133 minus  1.000000000000000E-383   -> -1.000000000000000E-383
  83 ddmns134 minus  1E-398                   -> -1E-398 Subnormal
  84
  85 ddmns135 minus  -1E-398                  -> 1E-398 Subnormal
  86 ddmns136 minus  -1.000000000000000E-383  -> 1.000000000000000E-383
  87 ddmns137 minus  -1E-383                  -> 1E-383
  88 ddmns138 minus  -9.999999999999999E+384  -> 9.999999999999999E+384