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cpython/Lib/test/decimaltestdata/plus.decTest

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------------------------------------------------------------------------
-- plus.decTest -- decimal monadic addition --
-- Copyright (c) IBM Corporation, 1981, 2004. 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
-- This set of tests primarily tests the existence of the operator.
-- Addition and rounding, and most overflows, are tested elsewhere.
extended: 1
precision: 9
rounding: half_up
maxExponent: 384
minexponent: -383
plux001 plus '1' -> '1'
plux002 plus '-1' -> '-1'
plux003 plus '1.00' -> '1.00'
plux004 plus '-1.00' -> '-1.00'
plux005 plus '0' -> '0'
plux006 plus '0.00' -> '0.00'
plux007 plus '00.0' -> '0.0'
plux008 plus '00.00' -> '0.00'
plux009 plus '00' -> '0'
plux010 plus '-2' -> '-2'
plux011 plus '2' -> '2'
plux012 plus '-2.00' -> '-2.00'
plux013 plus '2.00' -> '2.00'
plux014 plus '-0' -> '0'
plux015 plus '-0.00' -> '0.00'
plux016 plus '-00.0' -> '0.0'
plux017 plus '-00.00' -> '0.00'
plux018 plus '-00' -> '0'
plux020 plus '-2000000' -> '-2000000'
plux021 plus '2000000' -> '2000000'
precision: 7
plux022 plus '-2000000' -> '-2000000'
plux023 plus '2000000' -> '2000000'
precision: 6
plux024 plus '-2000000' -> '-2.00000E+6' Rounded
plux025 plus '2000000' -> '2.00000E+6' Rounded
precision: 3
plux026 plus '-2000000' -> '-2.00E+6' Rounded
plux027 plus '2000000' -> '2.00E+6' Rounded
-- more fixed, potential LHS swaps if done by add 0
precision: 9
plux060 plus '56267E-10' -> '0.0000056267'
plux061 plus '56267E-5' -> '0.56267'
plux062 plus '56267E-2' -> '562.67'
plux063 plus '56267E-1' -> '5626.7'
plux065 plus '56267E-0' -> '56267'
plux066 plus '56267E+0' -> '56267'
plux067 plus '56267E+1' -> '5.6267E+5'
plux068 plus '56267E+2' -> '5.6267E+6'
plux069 plus '56267E+3' -> '5.6267E+7'
plux070 plus '56267E+4' -> '5.6267E+8'
plux071 plus '56267E+5' -> '5.6267E+9'
plux072 plus '56267E+6' -> '5.6267E+10'
plux080 plus '-56267E-10' -> '-0.0000056267'
plux081 plus '-56267E-5' -> '-0.56267'
plux082 plus '-56267E-2' -> '-562.67'
plux083 plus '-56267E-1' -> '-5626.7'
plux085 plus '-56267E-0' -> '-56267'
plux086 plus '-56267E+0' -> '-56267'
plux087 plus '-56267E+1' -> '-5.6267E+5'
plux088 plus '-56267E+2' -> '-5.6267E+6'
plux089 plus '-56267E+3' -> '-5.6267E+7'
plux090 plus '-56267E+4' -> '-5.6267E+8'
plux091 plus '-56267E+5' -> '-5.6267E+9'
plux092 plus '-56267E+6' -> '-5.6267E+10'
-- "lhs" zeros in plus and minus have exponent = operand
plux120 plus '-0E3' -> '0E+3'
plux121 plus '-0E2' -> '0E+2'
plux122 plus '-0E1' -> '0E+1'
plux123 plus '-0E0' -> '0'
plux124 plus '+0E0' -> '0'
plux125 plus '+0E1' -> '0E+1'
plux126 plus '+0E2' -> '0E+2'
plux127 plus '+0E3' -> '0E+3'
plux130 plus '-5E3' -> '-5E+3'
plux131 plus '-5E8' -> '-5E+8'
plux132 plus '-5E13' -> '-5E+13'
plux133 plus '-5E18' -> '-5E+18'
plux134 plus '+5E3' -> '5E+3'
plux135 plus '+5E8' -> '5E+8'
plux136 plus '+5E13' -> '5E+13'
plux137 plus '+5E18' -> '5E+18'
-- specials
plux150 plus 'Inf' -> 'Infinity'
plux151 plus '-Inf' -> '-Infinity'
plux152 plus NaN -> NaN
plux153 plus sNaN -> NaN Invalid_operation
plux154 plus NaN77 -> NaN77
plux155 plus sNaN88 -> NaN88 Invalid_operation
plux156 plus -NaN -> -NaN
plux157 plus -sNaN -> -NaN Invalid_operation
plux158 plus -NaN77 -> -NaN77
plux159 plus -sNaN88 -> -NaN88 Invalid_operation
-- overflow tests
maxexponent: 999999999
minexponent: -999999999
precision: 3
plux160 plus 9.999E+999999999 -> Infinity Inexact Overflow Rounded
plux161 plus -9.999E+999999999 -> -Infinity Inexact Overflow Rounded
-- subnormals and underflow
precision: 3
maxexponent: 999
minexponent: -999
plux210 plus 1.00E-999 -> 1.00E-999
plux211 plus 0.1E-999 -> 1E-1000 Subnormal
plux212 plus 0.10E-999 -> 1.0E-1000 Subnormal
plux213 plus 0.100E-999 -> 1.0E-1000 Subnormal Rounded
plux214 plus 0.01E-999 -> 1E-1001 Subnormal
-- next is rounded to Emin
plux215 plus 0.999E-999 -> 1.00E-999 Inexact Rounded Subnormal Underflow
plux216 plus 0.099E-999 -> 1.0E-1000 Inexact Rounded Subnormal Underflow
plux217 plus 0.009E-999 -> 1E-1001 Inexact Rounded Subnormal Underflow
plux218 plus 0.001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow
plux219 plus 0.0009E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow
plux220 plus 0.0001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow
plux230 plus -1.00E-999 -> -1.00E-999
plux231 plus -0.1E-999 -> -1E-1000 Subnormal
plux232 plus -0.10E-999 -> -1.0E-1000 Subnormal
plux233 plus -0.100E-999 -> -1.0E-1000 Subnormal Rounded
plux234 plus -0.01E-999 -> -1E-1001 Subnormal
-- next is rounded to Emin
plux235 plus -0.999E-999 -> -1.00E-999 Inexact Rounded Subnormal Underflow
plux236 plus -0.099E-999 -> -1.0E-1000 Inexact Rounded Subnormal Underflow
plux237 plus -0.009E-999 -> -1E-1001 Inexact Rounded Subnormal Underflow
plux238 plus -0.001E-999 -> -0E-1001 Inexact Rounded Subnormal Underflow
plux239 plus -0.0009E-999 -> -0E-1001 Inexact Rounded Subnormal Underflow
plux240 plus -0.0001E-999 -> -0E-1001 Inexact Rounded Subnormal Underflow
-- long operand checks
maxexponent: 999
minexponent: -999
precision: 9
plux301 plus 12345678000 -> 1.23456780E+10 Rounded
plux302 plus 1234567800 -> 1.23456780E+9 Rounded
plux303 plus 1234567890 -> 1.23456789E+9 Rounded
plux304 plus 1234567891 -> 1.23456789E+9 Inexact Rounded
plux305 plus 12345678901 -> 1.23456789E+10 Inexact Rounded
plux306 plus 1234567896 -> 1.23456790E+9 Inexact Rounded
-- still checking
precision: 15
plux321 plus 12345678000 -> 12345678000
plux322 plus 1234567800 -> 1234567800
plux323 plus 1234567890 -> 1234567890
plux324 plus 1234567891 -> 1234567891
plux325 plus 12345678901 -> 12345678901
plux326 plus 1234567896 -> 1234567896
precision: 9
-- Null tests
plu900 plus # -> NaN Invalid_operation
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