mirror of https://github.com/python/cpython
182 lines
7.1 KiB
Plaintext
182 lines
7.1 KiB
Plaintext
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------------------------------------------------------------------------
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-- plus.decTest -- decimal monadic addition --
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-- Copyright (c) IBM Corporation, 1981, 2004. All rights reserved. --
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------------------------------------------------------------------------
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-- Please see the document "General Decimal Arithmetic Testcases" --
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-- at http://www2.hursley.ibm.com/decimal for the description of --
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-- these testcases. --
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-- --
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-- These testcases are experimental ('beta' versions), and they --
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-- may contain errors. They are offered on an as-is basis. In --
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-- particular, achieving the same results as the tests here is not --
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-- a guarantee that an implementation complies with any Standard --
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-- or specification. The tests are not exhaustive. --
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-- --
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-- Please send comments, suggestions, and corrections to the author: --
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-- Mike Cowlishaw, IBM Fellow --
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-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
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-- mfc@uk.ibm.com --
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------------------------------------------------------------------------
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version: 2.38
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-- This set of tests primarily tests the existence of the operator.
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-- Addition and rounding, and most overflows, are tested elsewhere.
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extended: 1
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precision: 9
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rounding: half_up
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maxExponent: 384
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minexponent: -383
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plux001 plus '1' -> '1'
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plux002 plus '-1' -> '-1'
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plux003 plus '1.00' -> '1.00'
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plux004 plus '-1.00' -> '-1.00'
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plux005 plus '0' -> '0'
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plux006 plus '0.00' -> '0.00'
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plux007 plus '00.0' -> '0.0'
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plux008 plus '00.00' -> '0.00'
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plux009 plus '00' -> '0'
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plux010 plus '-2' -> '-2'
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plux011 plus '2' -> '2'
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plux012 plus '-2.00' -> '-2.00'
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plux013 plus '2.00' -> '2.00'
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plux014 plus '-0' -> '0'
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plux015 plus '-0.00' -> '0.00'
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plux016 plus '-00.0' -> '0.0'
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plux017 plus '-00.00' -> '0.00'
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plux018 plus '-00' -> '0'
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plux020 plus '-2000000' -> '-2000000'
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plux021 plus '2000000' -> '2000000'
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precision: 7
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plux022 plus '-2000000' -> '-2000000'
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plux023 plus '2000000' -> '2000000'
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precision: 6
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plux024 plus '-2000000' -> '-2.00000E+6' Rounded
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plux025 plus '2000000' -> '2.00000E+6' Rounded
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precision: 3
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plux026 plus '-2000000' -> '-2.00E+6' Rounded
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plux027 plus '2000000' -> '2.00E+6' Rounded
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-- more fixed, potential LHS swaps if done by add 0
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precision: 9
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plux060 plus '56267E-10' -> '0.0000056267'
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plux061 plus '56267E-5' -> '0.56267'
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plux062 plus '56267E-2' -> '562.67'
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plux063 plus '56267E-1' -> '5626.7'
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plux065 plus '56267E-0' -> '56267'
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plux066 plus '56267E+0' -> '56267'
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plux067 plus '56267E+1' -> '5.6267E+5'
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plux068 plus '56267E+2' -> '5.6267E+6'
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plux069 plus '56267E+3' -> '5.6267E+7'
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plux070 plus '56267E+4' -> '5.6267E+8'
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plux071 plus '56267E+5' -> '5.6267E+9'
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plux072 plus '56267E+6' -> '5.6267E+10'
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plux080 plus '-56267E-10' -> '-0.0000056267'
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plux081 plus '-56267E-5' -> '-0.56267'
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plux082 plus '-56267E-2' -> '-562.67'
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plux083 plus '-56267E-1' -> '-5626.7'
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plux085 plus '-56267E-0' -> '-56267'
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plux086 plus '-56267E+0' -> '-56267'
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plux087 plus '-56267E+1' -> '-5.6267E+5'
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plux088 plus '-56267E+2' -> '-5.6267E+6'
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plux089 plus '-56267E+3' -> '-5.6267E+7'
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plux090 plus '-56267E+4' -> '-5.6267E+8'
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plux091 plus '-56267E+5' -> '-5.6267E+9'
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plux092 plus '-56267E+6' -> '-5.6267E+10'
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-- "lhs" zeros in plus and minus have exponent = operand
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plux120 plus '-0E3' -> '0E+3'
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plux121 plus '-0E2' -> '0E+2'
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plux122 plus '-0E1' -> '0E+1'
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plux123 plus '-0E0' -> '0'
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plux124 plus '+0E0' -> '0'
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plux125 plus '+0E1' -> '0E+1'
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plux126 plus '+0E2' -> '0E+2'
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plux127 plus '+0E3' -> '0E+3'
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plux130 plus '-5E3' -> '-5E+3'
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plux131 plus '-5E8' -> '-5E+8'
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plux132 plus '-5E13' -> '-5E+13'
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plux133 plus '-5E18' -> '-5E+18'
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plux134 plus '+5E3' -> '5E+3'
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plux135 plus '+5E8' -> '5E+8'
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plux136 plus '+5E13' -> '5E+13'
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plux137 plus '+5E18' -> '5E+18'
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-- specials
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plux150 plus 'Inf' -> 'Infinity'
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plux151 plus '-Inf' -> '-Infinity'
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plux152 plus NaN -> NaN
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plux153 plus sNaN -> NaN Invalid_operation
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plux154 plus NaN77 -> NaN77
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plux155 plus sNaN88 -> NaN88 Invalid_operation
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plux156 plus -NaN -> -NaN
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plux157 plus -sNaN -> -NaN Invalid_operation
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plux158 plus -NaN77 -> -NaN77
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plux159 plus -sNaN88 -> -NaN88 Invalid_operation
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-- overflow tests
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maxexponent: 999999999
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minexponent: -999999999
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precision: 3
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plux160 plus 9.999E+999999999 -> Infinity Inexact Overflow Rounded
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plux161 plus -9.999E+999999999 -> -Infinity Inexact Overflow Rounded
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-- subnormals and underflow
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precision: 3
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maxexponent: 999
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minexponent: -999
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plux210 plus 1.00E-999 -> 1.00E-999
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plux211 plus 0.1E-999 -> 1E-1000 Subnormal
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plux212 plus 0.10E-999 -> 1.0E-1000 Subnormal
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plux213 plus 0.100E-999 -> 1.0E-1000 Subnormal Rounded
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plux214 plus 0.01E-999 -> 1E-1001 Subnormal
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-- next is rounded to Emin
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plux215 plus 0.999E-999 -> 1.00E-999 Inexact Rounded Subnormal Underflow
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plux216 plus 0.099E-999 -> 1.0E-1000 Inexact Rounded Subnormal Underflow
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plux217 plus 0.009E-999 -> 1E-1001 Inexact Rounded Subnormal Underflow
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plux218 plus 0.001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow
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plux219 plus 0.0009E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow
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plux220 plus 0.0001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow
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plux230 plus -1.00E-999 -> -1.00E-999
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plux231 plus -0.1E-999 -> -1E-1000 Subnormal
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plux232 plus -0.10E-999 -> -1.0E-1000 Subnormal
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plux233 plus -0.100E-999 -> -1.0E-1000 Subnormal Rounded
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plux234 plus -0.01E-999 -> -1E-1001 Subnormal
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-- next is rounded to Emin
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plux235 plus -0.999E-999 -> -1.00E-999 Inexact Rounded Subnormal Underflow
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plux236 plus -0.099E-999 -> -1.0E-1000 Inexact Rounded Subnormal Underflow
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plux237 plus -0.009E-999 -> -1E-1001 Inexact Rounded Subnormal Underflow
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plux238 plus -0.001E-999 -> -0E-1001 Inexact Rounded Subnormal Underflow
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plux239 plus -0.0009E-999 -> -0E-1001 Inexact Rounded Subnormal Underflow
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plux240 plus -0.0001E-999 -> -0E-1001 Inexact Rounded Subnormal Underflow
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-- long operand checks
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maxexponent: 999
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minexponent: -999
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precision: 9
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plux301 plus 12345678000 -> 1.23456780E+10 Rounded
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plux302 plus 1234567800 -> 1.23456780E+9 Rounded
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plux303 plus 1234567890 -> 1.23456789E+9 Rounded
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plux304 plus 1234567891 -> 1.23456789E+9 Inexact Rounded
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plux305 plus 12345678901 -> 1.23456789E+10 Inexact Rounded
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plux306 plus 1234567896 -> 1.23456790E+9 Inexact Rounded
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-- still checking
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precision: 15
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plux321 plus 12345678000 -> 12345678000
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plux322 plus 1234567800 -> 1234567800
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plux323 plus 1234567890 -> 1234567890
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plux324 plus 1234567891 -> 1234567891
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plux325 plus 12345678901 -> 12345678901
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plux326 plus 1234567896 -> 1234567896
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precision: 9
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-- Null tests
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plu900 plus # -> NaN Invalid_operation
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