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

   1 ------------------------------------------------------------------------
   2 -- ddNextMinus.decTest -- decDouble next that is less [754r nextdown] --
   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 ddnextm001 nextminus  0.9999999999999995 ->   0.9999999999999994
  31 ddnextm002 nextminus  0.9999999999999996 ->   0.9999999999999995
  32 ddnextm003 nextminus  0.9999999999999997 ->   0.9999999999999996
  33 ddnextm004 nextminus  0.9999999999999998 ->   0.9999999999999997
  34 ddnextm005 nextminus  0.9999999999999999 ->   0.9999999999999998
  35 ddnextm006 nextminus  1.000000000000000  ->   0.9999999999999999
  36 ddnextm007 nextminus  1.0         ->   0.9999999999999999
  37 ddnextm008 nextminus  1           ->   0.9999999999999999
  38 ddnextm009 nextminus  1.000000000000001  ->   1.000000000000000
  39 ddnextm010 nextminus  1.000000000000002  ->   1.000000000000001
  40 ddnextm011 nextminus  1.000000000000003  ->   1.000000000000002
  41 ddnextm012 nextminus  1.000000000000004  ->   1.000000000000003
  42 ddnextm013 nextminus  1.000000000000005  ->   1.000000000000004
  43 ddnextm014 nextminus  1.000000000000006  ->   1.000000000000005
  44 ddnextm015 nextminus  1.000000000000007  ->   1.000000000000006
  45 ddnextm016 nextminus  1.000000000000008  ->   1.000000000000007
  46 ddnextm017 nextminus  1.000000000000009  ->   1.000000000000008
  47 ddnextm018 nextminus  1.000000000000010  ->   1.000000000000009
  48 ddnextm019 nextminus  1.000000000000011  ->   1.000000000000010
  49 ddnextm020 nextminus  1.000000000000012  ->   1.000000000000011
  50
  51 ddnextm021 nextminus -0.9999999999999995 ->  -0.9999999999999996
  52 ddnextm022 nextminus -0.9999999999999996 ->  -0.9999999999999997
  53 ddnextm023 nextminus -0.9999999999999997 ->  -0.9999999999999998
  54 ddnextm024 nextminus -0.9999999999999998 ->  -0.9999999999999999
  55 ddnextm025 nextminus -0.9999999999999999 ->  -1.000000000000000
  56 ddnextm026 nextminus -1.000000000000000  ->  -1.000000000000001
  57 ddnextm027 nextminus -1.0         ->  -1.000000000000001
  58 ddnextm028 nextminus -1           ->  -1.000000000000001
  59 ddnextm029 nextminus -1.000000000000001  ->  -1.000000000000002
  60 ddnextm030 nextminus -1.000000000000002  ->  -1.000000000000003
  61 ddnextm031 nextminus -1.000000000000003  ->  -1.000000000000004
  62 ddnextm032 nextminus -1.000000000000004  ->  -1.000000000000005
  63 ddnextm033 nextminus -1.000000000000005  ->  -1.000000000000006
  64 ddnextm034 nextminus -1.000000000000006  ->  -1.000000000000007
  65 ddnextm035 nextminus -1.000000000000007  ->  -1.000000000000008
  66 ddnextm036 nextminus -1.000000000000008  ->  -1.000000000000009
  67 ddnextm037 nextminus -1.000000000000009  ->  -1.000000000000010
  68 ddnextm038 nextminus -1.000000000000010  ->  -1.000000000000011
  69 ddnextm039 nextminus -1.000000000000011  ->  -1.000000000000012
  70
  71 -- ultra-tiny inputs
  72 ddnextm062 nextminus  1E-398         ->   0E-398
  73 ddnextm065 nextminus -1E-398         ->  -2E-398
  74
  75 -- Zeros
  76 ddnextm100 nextminus -0           -> -1E-398
  77 ddnextm101 nextminus  0           -> -1E-398
  78 ddnextm102 nextminus  0.00        -> -1E-398
  79 ddnextm103 nextminus -0.00        -> -1E-398
  80 ddnextm104 nextminus  0E-300      -> -1E-398
  81 ddnextm105 nextminus  0E+300      -> -1E-398
  82 ddnextm106 nextminus  0E+30000    -> -1E-398
  83 ddnextm107 nextminus -0E+30000    -> -1E-398
  84
  85 -- specials
  86 ddnextm150 nextminus   Inf    ->  9.999999999999999E+384
  87 ddnextm151 nextminus  -Inf    -> -Infinity
  88 ddnextm152 nextminus   NaN    ->  NaN
  89 ddnextm153 nextminus  sNaN    ->  NaN   Invalid_operation
  90 ddnextm154 nextminus   NaN77  ->  NaN77
  91 ddnextm155 nextminus  sNaN88  ->  NaN88 Invalid_operation
  92 ddnextm156 nextminus  -NaN    -> -NaN
  93 ddnextm157 nextminus -sNaN    -> -NaN   Invalid_operation
  94 ddnextm158 nextminus  -NaN77  -> -NaN77
  95 ddnextm159 nextminus -sNaN88  -> -NaN88 Invalid_operation
  96
  97 -- Nmax, Nmin, Ntiny, subnormals
  98 ddnextm170 nextminus  9.999999999999999E+384   -> 9.999999999999998E+384
  99 ddnextm171 nextminus  9.999999999999998E+384   -> 9.999999999999997E+384
 100 ddnextm172 nextminus  1E-383                   -> 9.99999999999999E-384
 101 ddnextm173 nextminus  1.000000000000000E-383   -> 9.99999999999999E-384
 102 ddnextm174 nextminus  9E-398                   -> 8E-398
 103 ddnextm175 nextminus  9.9E-397                 -> 9.8E-397
 104 ddnextm176 nextminus  9.99999999999E-387       -> 9.99999999998E-387
 105 ddnextm177 nextminus  9.99999999999999E-384    -> 9.99999999999998E-384
 106 ddnextm178 nextminus  9.99999999999998E-384    -> 9.99999999999997E-384
 107 ddnextm179 nextminus  9.99999999999997E-384    -> 9.99999999999996E-384
 108 ddnextm180 nextminus  0E-398                   -> -1E-398
 109 ddnextm181 nextminus  1E-398                   -> 0E-398
 110 ddnextm182 nextminus  2E-398                   -> 1E-398
 111
 112 ddnextm183 nextminus  -0E-398                  -> -1E-398
 113 ddnextm184 nextminus  -1E-398                  -> -2E-398
 114 ddnextm185 nextminus  -2E-398                  -> -3E-398
 115 ddnextm186 nextminus  -10E-398                 -> -1.1E-397
 116 ddnextm187 nextminus  -100E-398                -> -1.01E-396
 117 ddnextm188 nextminus  -100000E-398             -> -1.00001E-393
 118 ddnextm189 nextminus  -1.00000000000E-383      -> -1.000000000000001E-383
 119 ddnextm190 nextminus  -1.000000000000000E-383  -> -1.000000000000001E-383
 120 ddnextm191 nextminus  -1E-383                  -> -1.000000000000001E-383
 121 ddnextm192 nextminus  -9.999999999999998E+384  -> -9.999999999999999E+384
 122 ddnextm193 nextminus  -9.999999999999999E+384  -> -Infinity
 123
 124 -- Null tests
 125 ddnextm900 nextminus  # -> NaN Invalid_operation
 126