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| author | Raymond Hettinger <python@rcn.com> | 2004-07-01 11:01:35 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2004-07-01 11:01:35 (GMT) |
| commit | 7c85fa4a5203912aca564ce719a0fdd0fd5411e5 (patch) | |
| tree | 6e36321b63337cb115f3ef1cdea79a7637b78a84 /Lib/test/decimaltestdata/inexact.decTest | |
| parent | 2ccf5d689bc1b893fc89ba3f5131a5f504dff1cd (diff) | |
| download | cpython-7c85fa4a5203912aca564ce719a0fdd0fd5411e5.zip cpython-7c85fa4a5203912aca564ce719a0fdd0fd5411e5.tar.gz cpython-7c85fa4a5203912aca564ce719a0fdd0fd5411e5.tar.bz2 | |
Move Decimal from the sandbox into production.
Diffstat (limited to 'Lib/test/decimaltestdata/inexact.decTest')
| -rw-r--r-- | Lib/test/decimaltestdata/inexact.decTest | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/Lib/test/decimaltestdata/inexact.decTest b/Lib/test/decimaltestdata/inexact.decTest new file mode 100644 index 0000000..031891c --- /dev/null +++ b/Lib/test/decimaltestdata/inexact.decTest @@ -0,0 +1,215 @@ +------------------------------------------------------------------------ +-- inexact.decTest -- decimal inexact and rounded edge cases -- +-- Copyright (c) IBM Corporation, 1981, 2003. All rights reserved. -- +------------------------------------------------------------------------ +-- Please see the document "General Decimal Arithmetic Testcases" -- +-- at http://www2.hursley.ibm.com/decimal for the description of -- +-- these testcases. -- +-- -- +-- These testcases are experimental ('beta' versions), and they -- +-- may contain errors. They are offered on an as-is basis. In -- +-- particular, achieving the same results as the tests here is not -- +-- a guarantee that an implementation complies with any Standard -- +-- or specification. The tests are not exhaustive. -- +-- -- +-- Please send comments, suggestions, and corrections to the author: -- +-- Mike Cowlishaw, IBM Fellow -- +-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK -- +-- mfc@uk.ibm.com -- +------------------------------------------------------------------------ +version: 2.38 + +extended: 1 +precision: 9 +rounding: half_up +maxExponent: 999 +minexponent: -999 + +inx001 add 1 1 -> 2 +inx002 add 123456789 0 -> 123456789 +inx003 add 123456789 0.0 -> 123456789 Rounded +inx004 add 123456789 0.00 -> 123456789 Rounded +inx005 add 123456789 1 -> 123456790 +inx006 add 123456789 0.1 -> 123456789 Inexact Rounded +inx007 add 123456789 0.01 -> 123456789 Inexact Rounded +inx008 add 123456789 0.001 -> 123456789 Inexact Rounded +inx009 add 123456789 0.000001 -> 123456789 Inexact Rounded +inx010 add 123456789 0.000000001 -> 123456789 Inexact Rounded +inx011 add 123456789 0.000000000001 -> 123456789 Inexact Rounded + +inx012 add 123456789 0.9 -> 123456790 Inexact Rounded +inx013 add 123456789 0.09 -> 123456789 Inexact Rounded +inx014 add 123456789 0.009 -> 123456789 Inexact Rounded +inx015 add 123456789 0.000009 -> 123456789 Inexact Rounded +inx016 add 123456789 0.000000009 -> 123456789 Inexact Rounded +inx017 add 123456789 0.000000000009 -> 123456789 Inexact Rounded + +inx021 add 1 -1 -> 0 +inx022 add 123456789 -0 -> 123456789 +inx023 add 123456789 -0.0 -> 123456789 Rounded +inx024 add 123456789 -0.00 -> 123456789 Rounded +inx025 add 123456789 -1 -> 123456788 +inx026 add 123456789 -0.1 -> 123456789 Inexact Rounded +inx027 add 123456789 -0.01 -> 123456789 Inexact Rounded +inx028 add 123456789 -0.001 -> 123456789 Inexact Rounded +inx029 add 123456789 -0.000001 -> 123456789 Inexact Rounded +inx030 add 123456789 -0.000000001 -> 123456789 Inexact Rounded +inx031 add 123456789 -0.000000000001 -> 123456789 Inexact Rounded +inx032 add 123456789 -0.9 -> 123456788 Inexact Rounded +inx033 add 123456789 -0.09 -> 123456789 Inexact Rounded +inx034 add 123456789 -0.009 -> 123456789 Inexact Rounded +inx035 add 123456789 -0.000009 -> 123456789 Inexact Rounded +inx036 add 123456789 -0.000000009 -> 123456789 Inexact Rounded +inx037 add 123456789 -0.000000000009 -> 123456789 Inexact Rounded + +inx042 add 0 123456789 -> 123456789 +inx043 add 0.0 123456789 -> 123456789 Rounded +inx044 add 0.00 123456789 -> 123456789 Rounded +inx045 add 1 123456789 -> 123456790 +inx046 add 0.1 123456789 -> 123456789 Inexact Rounded +inx047 add 0.01 123456789 -> 123456789 Inexact Rounded +inx048 add 0.001 123456789 -> 123456789 Inexact Rounded +inx049 add 0.000001 123456789 -> 123456789 Inexact Rounded +inx050 add 0.000000001 123456789 -> 123456789 Inexact Rounded +inx051 add 0.000000000001 123456789 -> 123456789 Inexact Rounded +inx052 add 0.9 123456789 -> 123456790 Inexact Rounded +inx053 add 0.09 123456789 -> 123456789 Inexact Rounded +inx054 add 0.009 123456789 -> 123456789 Inexact Rounded +inx055 add 0.000009 123456789 -> 123456789 Inexact Rounded +inx056 add 0.000000009 123456789 -> 123456789 Inexact Rounded +inx057 add 0.000000000009 123456789 -> 123456789 Inexact Rounded + +inx062 add -0 123456789 -> 123456789 +inx063 add -0.0 123456789 -> 123456789 Rounded +inx064 add -0.00 123456789 -> 123456789 Rounded +inx065 add -1 123456789 -> 123456788 +inx066 add -0.1 123456789 -> 123456789 Inexact Rounded +inx067 add -0.01 123456789 -> 123456789 Inexact Rounded +inx068 add -0.001 123456789 -> 123456789 Inexact Rounded +inx069 add -0.000001 123456789 -> 123456789 Inexact Rounded +inx070 add -0.000000001 123456789 -> 123456789 Inexact Rounded +inx071 add -0.000000000001 123456789 -> 123456789 Inexact Rounded +inx072 add -0.9 123456789 -> 123456788 Inexact Rounded +inx073 add -0.09 123456789 -> 123456789 Inexact Rounded +inx074 add -0.009 123456789 -> 123456789 Inexact Rounded +inx075 add -0.000009 123456789 -> 123456789 Inexact Rounded +inx076 add -0.000000009 123456789 -> 123456789 Inexact Rounded +inx077 add -0.000000000009 123456789 -> 123456789 Inexact Rounded + +-- some boundaries +inx081 add 999999999 0 -> 999999999 +inx082 add 0.999999999 0.000000000 -> 0.999999999 +inx083 add 999999999 1 -> 1.00000000E+9 Rounded +inx084 add 0.999999999 0.000000001 -> 1.00000000 Rounded +inx085 add 999999999 2 -> 1.00000000E+9 Inexact Rounded +inx086 add 0.999999999 0.000000002 -> 1.00000000 Inexact Rounded +inx087 add 999999999 3 -> 1.00000000E+9 Inexact Rounded +inx089 add 0.999999999 0.000000003 -> 1.00000000 Inexact Rounded + +-- minus, plus, and subtract all assumed to work like add. + +-- multiply +precision: 8 +inx101 multiply 1000 1000 -> 1000000 +inx102 multiply 9000 9000 -> 81000000 +inx103 multiply 9999 9999 -> 99980001 +inx104 multiply 1000 10000 -> 10000000 +inx105 multiply 10000 10000 -> 1.0000000E+8 Rounded +inx106 multiply 10001 10000 -> 1.0001000E+8 Rounded +inx107 multiply 10001 10001 -> 1.0002000E+8 Inexact Rounded +inx108 multiply 10101 10001 -> 1.0102010E+8 Inexact Rounded +inx109 multiply 10001 10101 -> 1.0102010E+8 Inexact Rounded + +-- divide +precision: 4 +inx201 divide 1000 1000 -> 1 +inx202 divide 1000 1 -> 1000 +inx203 divide 1000 2 -> 500 +inx204 divide 1000 3 -> 333.3 Inexact Rounded +inx205 divide 1000 4 -> 250 +inx206 divide 1000 5 -> 200 +inx207 divide 1000 6 -> 166.7 Inexact Rounded +inx208 divide 1000 7 -> 142.9 Inexact Rounded +inx209 divide 1000 8 -> 125 +inx210 divide 1000 9 -> 111.1 Inexact Rounded +inx211 divide 1000 10 -> 100 + +inx220 divide 1 1 -> 1 +inx221 divide 1 2 -> 0.5 +inx222 divide 1 4 -> 0.25 +inx223 divide 1 8 -> 0.125 +inx224 divide 1 16 -> 0.0625 +inx225 divide 1 32 -> 0.03125 +inx226 divide 1 64 -> 0.01563 Inexact Rounded +inx227 divide 1 128 -> 0.007813 Inexact Rounded + +precision: 5 +inx230 divide 1 1 -> 1 +inx231 divide 1 2 -> 0.5 +inx232 divide 1 4 -> 0.25 +inx233 divide 1 8 -> 0.125 +inx234 divide 1 16 -> 0.0625 +inx235 divide 1 32 -> 0.03125 +inx236 divide 1 64 -> 0.015625 +inx237 divide 1 128 -> 0.0078125 + +precision: 3 +inx240 divide 1 1 -> 1 +inx241 divide 1 2 -> 0.5 +inx242 divide 1 4 -> 0.25 +inx243 divide 1 8 -> 0.125 +inx244 divide 1 16 -> 0.0625 +inx245 divide 1 32 -> 0.0313 Inexact Rounded +inx246 divide 1 64 -> 0.0156 Inexact Rounded +inx247 divide 1 128 -> 0.00781 Inexact Rounded + +precision: 2 +inx250 divide 1 1 -> 1 +inx251 divide 1 2 -> 0.5 +inx252 divide 1 4 -> 0.25 +inx253 divide 1 8 -> 0.13 Inexact Rounded +inx254 divide 1 16 -> 0.063 Inexact Rounded +inx255 divide 1 32 -> 0.031 Inexact Rounded +inx256 divide 1 64 -> 0.016 Inexact Rounded +inx257 divide 1 128 -> 0.0078 Inexact Rounded + +precision: 1 +inx260 divide 1 1 -> 1 +inx261 divide 1 2 -> 0.5 +inx262 divide 1 4 -> 0.3 Inexact Rounded +inx263 divide 1 8 -> 0.1 Inexact Rounded +inx264 divide 1 16 -> 0.06 Inexact Rounded +inx265 divide 1 32 -> 0.03 Inexact Rounded +inx266 divide 1 64 -> 0.02 Inexact Rounded +inx267 divide 1 128 -> 0.008 Inexact Rounded + + +-- power +precision: 4 +inx301 power 0.5 2 -> 0.25 +inx302 power 0.5 4 -> 0.0625 +inx303 power 0.5 8 -> 0.003906 Inexact Rounded +inx304 power 0.5 16 -> 0.00001526 Inexact Rounded +inx305 power 0.5 32 -> 2.328E-10 Inexact Rounded + +-- compare, divideInteger, and remainder are always exact + +-- rescale +precision: 4 +inx401 rescale 0 0 -> 0 +inx402 rescale 1 0 -> 1 +inx403 rescale 0.1 +2 -> 0E+2 Inexact Rounded +inx404 rescale 0.1 +1 -> 0E+1 Inexact Rounded +inx405 rescale 0.1 0 -> 0 Inexact Rounded +inx406 rescale 0.1 -1 -> 0.1 +inx407 rescale 0.1 -2 -> 0.10 + +-- long operands cause rounding too +precision: 9 +inx801 plus 123456789 -> 123456789 +inx802 plus 1234567890 -> 1.23456789E+9 Rounded +inx803 plus 1234567891 -> 1.23456789E+9 Inexact Rounded +inx804 plus 1234567892 -> 1.23456789E+9 Inexact Rounded +inx805 plus 1234567899 -> 1.23456790E+9 Inexact Rounded +inx806 plus 1234567900 -> 1.23456790E+9 Rounded + |