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

   1 ------------------------------------------------------------------------
   2 -- minus.decTest -- decimal negation                                  --
   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 -- This set of tests primarily tests the existence of the operator.
  23 -- Subtraction, rounding, and more overflows are tested elsewhere.
  24
  25 extended:    1
  26 precision:   9
  27 rounding:    half_up
  28 maxExponent: 384
  29 minexponent: -383
  30
  31 minx001 minus '1'      -> '-1'
  32 minx002 minus '-1'     -> '1'
  33 minx003 minus '1.00'   -> '-1.00'
  34 minx004 minus '-1.00'  -> '1.00'
  35 minx005 minus '0'      -> '0'
  36 minx006 minus '0.00'   -> '0.00'
  37 minx007 minus '00.0'   -> '0.0'
  38 minx008 minus '00.00'  -> '0.00'
  39 minx009 minus '00'     -> '0'
  40
  41 minx010 minus '-2'     -> '2'
  42 minx011 minus '2'      -> '-2'
  43 minx012 minus '-2.00'  -> '2.00'
  44 minx013 minus '2.00'   -> '-2.00'
  45 minx014 minus '-0'     -> '0'
  46 minx015 minus '-0.00'  -> '0.00'
  47 minx016 minus '-00.0'  -> '0.0'
  48 minx017 minus '-00.00' -> '0.00'
  49 minx018 minus '-00'    -> '0'
  50
  51 -- "lhs" zeros in plus and minus have exponent = operand
  52 minx020 minus '-0E3'   -> '0E+3'
  53 minx021 minus '-0E2'   -> '0E+2'
  54 minx022 minus '-0E1'   -> '0E+1'
  55 minx023 minus '-0E0'   -> '0'
  56 minx024 minus '+0E0'   -> '0'
  57 minx025 minus '+0E1'   -> '0E+1'
  58 minx026 minus '+0E2'   -> '0E+2'
  59 minx027 minus '+0E3'   -> '0E+3'
  60
  61 minx030 minus '-5E3'   -> '5E+3'
  62 minx031 minus '-5E8'   -> '5E+8'
  63 minx032 minus '-5E13'  -> '5E+13'
  64 minx033 minus '-5E18'  -> '5E+18'
  65 minx034 minus '+5E3'   -> '-5E+3'
  66 minx035 minus '+5E8'   -> '-5E+8'
  67 minx036 minus '+5E13'  -> '-5E+13'
  68 minx037 minus '+5E18'  -> '-5E+18'
  69
  70 minx050 minus '-2000000' -> '2000000'
  71 minx051 minus '2000000'  -> '-2000000'
  72 precision: 7
  73 minx052 minus '-2000000' -> '2000000'
  74 minx053 minus '2000000'  -> '-2000000'
  75 precision: 6
  76 minx054 minus '-2000000' -> '2.00000E+6' Rounded
  77 minx055 minus '2000000'  -> '-2.00000E+6' Rounded
  78 precision: 3
  79 minx056 minus '-2000000' -> '2.00E+6' Rounded
  80 minx057 minus '2000000'  -> '-2.00E+6' Rounded
  81
  82 -- more fixed, potential LHS swaps/overlays if done by 0 subtract x
  83 precision: 9
  84 minx060 minus '56267E-10'   -> '-0.0000056267'
  85 minx061 minus '56267E-5'    -> '-0.56267'
  86 minx062 minus '56267E-2'    -> '-562.67'
  87 minx063 minus '56267E-1'    -> '-5626.7'
  88 minx065 minus '56267E-0'    -> '-56267'
  89 minx066 minus '56267E+0'    -> '-56267'
  90 minx067 minus '56267E+1'    -> '-5.6267E+5'
  91 minx068 minus '56267E+2'    -> '-5.6267E+6'
  92 minx069 minus '56267E+3'    -> '-5.6267E+7'
  93 minx070 minus '56267E+4'    -> '-5.6267E+8'
  94 minx071 minus '56267E+5'    -> '-5.6267E+9'
  95 minx072 minus '56267E+6'    -> '-5.6267E+10'
  96 minx080 minus '-56267E-10'  -> '0.0000056267'
  97 minx081 minus '-56267E-5'   -> '0.56267'
  98 minx082 minus '-56267E-2'   -> '562.67'
  99 minx083 minus '-56267E-1'   -> '5626.7'
 100 minx085 minus '-56267E-0'   -> '56267'
 101 minx086 minus '-56267E+0'   -> '56267'
 102 minx087 minus '-56267E+1'   -> '5.6267E+5'
 103 minx088 minus '-56267E+2'   -> '5.6267E+6'
 104 minx089 minus '-56267E+3'   -> '5.6267E+7'
 105 minx090 minus '-56267E+4'   -> '5.6267E+8'
 106 minx091 minus '-56267E+5'   -> '5.6267E+9'
 107 minx092 minus '-56267E+6'   -> '5.6267E+10'
 108
 109
 110 -- overflow tests
 111 maxexponent: 999999999
 112 minexponent: -999999999
 113 precision: 3
 114 minx100 minus 9.999E+999999999  -> -Infinity Inexact Overflow Rounded
 115 minx101 minus -9.999E+999999999 ->  Infinity Inexact Overflow Rounded
 116
 117 -- subnormals and underflow
 118 precision: 3
 119 maxexponent: 999
 120 minexponent: -999
 121 minx110 minus  1.00E-999        ->  -1.00E-999
 122 minx111 minus  0.1E-999         ->  -1E-1000   Subnormal
 123 minx112 minus  0.10E-999        ->  -1.0E-1000 Subnormal
 124 minx113 minus  0.100E-999       ->  -1.0E-1000 Subnormal Rounded
 125 minx114 minus  0.01E-999        ->  -1E-1001   Subnormal
 126 -- next is rounded to Emin
 127 minx115 minus  0.999E-999       ->  -1.00E-999 Inexact Rounded Subnormal Underflow
 128 minx116 minus  0.099E-999       ->  -1.0E-1000 Inexact Rounded Subnormal Underflow
 129 minx117 minus  0.009E-999       ->  -1E-1001   Inexact Rounded Subnormal Underflow
 130 minx118 minus  0.001E-999       ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped
 131 minx119 minus  0.0009E-999      ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped
 132 minx120 minus  0.0001E-999      ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped
 133
 134 minx130 minus -1.00E-999        ->   1.00E-999
 135 minx131 minus -0.1E-999         ->   1E-1000   Subnormal
 136 minx132 minus -0.10E-999        ->   1.0E-1000 Subnormal
 137 minx133 minus -0.100E-999       ->   1.0E-1000 Subnormal Rounded
 138 minx134 minus -0.01E-999        ->   1E-1001   Subnormal
 139 -- next is rounded to Emin
 140 minx135 minus -0.999E-999       ->   1.00E-999 Inexact Rounded Subnormal Underflow
 141 minx136 minus -0.099E-999       ->   1.0E-1000 Inexact Rounded Subnormal Underflow
 142 minx137 minus -0.009E-999       ->   1E-1001   Inexact Rounded Subnormal Underflow
 143 minx138 minus -0.001E-999       ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
 144 minx139 minus -0.0009E-999      ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
 145 minx140 minus -0.0001E-999      ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
 146
 147
 148 -- long operand checks
 149 maxexponent: 999
 150 minexponent: -999
 151 precision: 9
 152 minx301 minus 12345678000  -> -1.23456780E+10 Rounded
 153 minx302 minus 1234567800   -> -1.23456780E+9 Rounded
 154 minx303 minus 1234567890   -> -1.23456789E+9 Rounded
 155 minx304 minus 1234567891   -> -1.23456789E+9 Inexact Rounded
 156 minx305 minus 12345678901  -> -1.23456789E+10 Inexact Rounded
 157 minx306 minus 1234567896   -> -1.23456790E+9 Inexact Rounded
 158
 159 precision: 15
 160 -- still checking
 161 minx321 minus 12345678000  -> -12345678000
 162 minx322 minus 1234567800   -> -1234567800
 163 minx323 minus 1234567890   -> -1234567890
 164 minx324 minus 1234567891   -> -1234567891
 165 minx325 minus 12345678901  -> -12345678901
 166 minx326 minus 1234567896   -> -1234567896
 167
 168 -- specials
 169 minx420 minus 'Inf'    -> '-Infinity'
 170 minx421 minus '-Inf'   -> 'Infinity'
 171 minx422 minus   NaN    ->  NaN
 172 minx423 minus  sNaN    ->  NaN    Invalid_operation
 173 minx424 minus   NaN255 ->  NaN255
 174 minx425 minus  sNaN256 ->  NaN256 Invalid_operation
 175 minx426 minus  -NaN    -> -NaN
 176 minx427 minus -sNaN    -> -NaN    Invalid_operation
 177 minx428 minus  -NaN255 -> -NaN255
 178 minx429 minus -sNaN256 -> -NaN256 Invalid_operation
 179
 180 -- Null tests
 181 minx900 minus  # -> NaN Invalid_operation
 182