summaryrefslogtreecommitdiffstats
path: root/Lib/test/decimaltestdata/inexact.decTest
diff options
context:
space:
mode:
authorRaymond Hettinger <python@rcn.com>2004-07-01 11:01:35 (GMT)
committerRaymond Hettinger <python@rcn.com>2004-07-01 11:01:35 (GMT)
commit7c85fa4a5203912aca564ce719a0fdd0fd5411e5 (patch)
tree6e36321b63337cb115f3ef1cdea79a7637b78a84 /Lib/test/decimaltestdata/inexact.decTest
parent2ccf5d689bc1b893fc89ba3f5131a5f504dff1cd (diff)
downloadcpython-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.decTest215
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
+