mirror of https://github.com/python/cpython
294 lines
11 KiB
Plaintext
294 lines
11 KiB
Plaintext
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------------------------------------------------------------------------
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-- ddMinMag.decTest -- decDouble minnummag --
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-- Copyright (c) IBM Corporation, 1981, 2007. 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: 2.56
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-- we assume that base comparison is tested in compare.decTest, so
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-- these mainly cover special cases and rounding
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precision: 16
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maxExponent: 384
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minExponent: -383
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extended: 1
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clamp: 1
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rounding: half_even
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-- sanity checks
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ddmng001 minmag -2 -2 -> -2
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ddmng002 minmag -2 -1 -> -1
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ddmng003 minmag -2 0 -> 0
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ddmng004 minmag -2 1 -> 1
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ddmng005 minmag -2 2 -> -2
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ddmng006 minmag -1 -2 -> -1
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ddmng007 minmag -1 -1 -> -1
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ddmng008 minmag -1 0 -> 0
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ddmng009 minmag -1 1 -> -1
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ddmng010 minmag -1 2 -> -1
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ddmng011 minmag 0 -2 -> 0
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ddmng012 minmag 0 -1 -> 0
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ddmng013 minmag 0 0 -> 0
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ddmng014 minmag 0 1 -> 0
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ddmng015 minmag 0 2 -> 0
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ddmng016 minmag 1 -2 -> 1
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ddmng017 minmag 1 -1 -> -1
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ddmng018 minmag 1 0 -> 0
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ddmng019 minmag 1 1 -> 1
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ddmng020 minmag 1 2 -> 1
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ddmng021 minmag 2 -2 -> -2
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ddmng022 minmag 2 -1 -> -1
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ddmng023 minmag 2 0 -> 0
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ddmng025 minmag 2 1 -> 1
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ddmng026 minmag 2 2 -> 2
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-- extended zeros
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ddmng030 minmag 0 0 -> 0
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ddmng031 minmag 0 -0 -> -0
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ddmng032 minmag 0 -0.0 -> -0.0
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ddmng033 minmag 0 0.0 -> 0.0
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ddmng034 minmag -0 0 -> -0
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ddmng035 minmag -0 -0 -> -0
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ddmng036 minmag -0 -0.0 -> -0
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ddmng037 minmag -0 0.0 -> -0
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ddmng038 minmag 0.0 0 -> 0.0
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ddmng039 minmag 0.0 -0 -> -0
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ddmng040 minmag 0.0 -0.0 -> -0.0
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ddmng041 minmag 0.0 0.0 -> 0.0
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ddmng042 minmag -0.0 0 -> -0.0
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ddmng043 minmag -0.0 -0 -> -0
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ddmng044 minmag -0.0 -0.0 -> -0.0
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ddmng045 minmag -0.0 0.0 -> -0.0
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ddmng046 minmag 0E1 -0E1 -> -0E+1
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ddmng047 minmag -0E1 0E2 -> -0E+1
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ddmng048 minmag 0E2 0E1 -> 0E+1
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ddmng049 minmag 0E1 0E2 -> 0E+1
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ddmng050 minmag -0E3 -0E2 -> -0E+3
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ddmng051 minmag -0E2 -0E3 -> -0E+3
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-- Specials
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ddmng090 minmag Inf -Inf -> -Infinity
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ddmng091 minmag Inf -1000 -> -1000
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ddmng092 minmag Inf -1 -> -1
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ddmng093 minmag Inf -0 -> -0
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ddmng094 minmag Inf 0 -> 0
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ddmng095 minmag Inf 1 -> 1
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ddmng096 minmag Inf 1000 -> 1000
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ddmng097 minmag Inf Inf -> Infinity
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ddmng098 minmag -1000 Inf -> -1000
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ddmng099 minmag -Inf Inf -> -Infinity
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ddmng100 minmag -1 Inf -> -1
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ddmng101 minmag -0 Inf -> -0
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ddmng102 minmag 0 Inf -> 0
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ddmng103 minmag 1 Inf -> 1
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ddmng104 minmag 1000 Inf -> 1000
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ddmng105 minmag Inf Inf -> Infinity
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ddmng120 minmag -Inf -Inf -> -Infinity
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ddmng121 minmag -Inf -1000 -> -1000
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ddmng122 minmag -Inf -1 -> -1
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ddmng123 minmag -Inf -0 -> -0
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ddmng124 minmag -Inf 0 -> 0
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ddmng125 minmag -Inf 1 -> 1
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ddmng126 minmag -Inf 1000 -> 1000
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ddmng127 minmag -Inf Inf -> -Infinity
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ddmng128 minmag -Inf -Inf -> -Infinity
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ddmng129 minmag -1000 -Inf -> -1000
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ddmng130 minmag -1 -Inf -> -1
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ddmng131 minmag -0 -Inf -> -0
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ddmng132 minmag 0 -Inf -> 0
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ddmng133 minmag 1 -Inf -> 1
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ddmng134 minmag 1000 -Inf -> 1000
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ddmng135 minmag Inf -Inf -> -Infinity
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-- 2004.08.02 754r chooses number over NaN in mixed cases
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ddmng141 minmag NaN -Inf -> -Infinity
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ddmng142 minmag NaN -1000 -> -1000
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ddmng143 minmag NaN -1 -> -1
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ddmng144 minmag NaN -0 -> -0
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ddmng145 minmag NaN 0 -> 0
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ddmng146 minmag NaN 1 -> 1
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ddmng147 minmag NaN 1000 -> 1000
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ddmng148 minmag NaN Inf -> Infinity
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ddmng149 minmag NaN NaN -> NaN
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ddmng150 minmag -Inf NaN -> -Infinity
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ddmng151 minmag -1000 NaN -> -1000
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ddmng152 minmag -1 -NaN -> -1
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ddmng153 minmag -0 NaN -> -0
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ddmng154 minmag 0 -NaN -> 0
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ddmng155 minmag 1 NaN -> 1
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ddmng156 minmag 1000 NaN -> 1000
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ddmng157 minmag Inf NaN -> Infinity
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ddmng161 minmag sNaN -Inf -> NaN Invalid_operation
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ddmng162 minmag sNaN -1000 -> NaN Invalid_operation
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ddmng163 minmag sNaN -1 -> NaN Invalid_operation
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ddmng164 minmag sNaN -0 -> NaN Invalid_operation
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ddmng165 minmag -sNaN 0 -> -NaN Invalid_operation
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ddmng166 minmag -sNaN 1 -> -NaN Invalid_operation
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ddmng167 minmag sNaN 1000 -> NaN Invalid_operation
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ddmng168 minmag sNaN NaN -> NaN Invalid_operation
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ddmng169 minmag sNaN sNaN -> NaN Invalid_operation
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ddmng170 minmag NaN sNaN -> NaN Invalid_operation
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ddmng171 minmag -Inf sNaN -> NaN Invalid_operation
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ddmng172 minmag -1000 sNaN -> NaN Invalid_operation
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ddmng173 minmag -1 sNaN -> NaN Invalid_operation
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ddmng174 minmag -0 sNaN -> NaN Invalid_operation
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ddmng175 minmag 0 sNaN -> NaN Invalid_operation
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ddmng176 minmag 1 sNaN -> NaN Invalid_operation
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ddmng177 minmag 1000 sNaN -> NaN Invalid_operation
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ddmng178 minmag Inf sNaN -> NaN Invalid_operation
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ddmng179 minmag NaN sNaN -> NaN Invalid_operation
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-- propagating NaNs
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ddmng181 minmag NaN9 -Inf -> -Infinity
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ddmng182 minmag -NaN8 9990 -> 9990
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ddmng183 minmag NaN71 Inf -> Infinity
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ddmng184 minmag NaN1 NaN54 -> NaN1
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ddmng185 minmag NaN22 -NaN53 -> NaN22
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ddmng186 minmag -NaN3 NaN6 -> -NaN3
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ddmng187 minmag -NaN44 NaN7 -> -NaN44
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ddmng188 minmag -Inf NaN41 -> -Infinity
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ddmng189 minmag -9999 -NaN33 -> -9999
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ddmng190 minmag Inf NaN2 -> Infinity
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ddmng191 minmag sNaN99 -Inf -> NaN99 Invalid_operation
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ddmng192 minmag sNaN98 -11 -> NaN98 Invalid_operation
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ddmng193 minmag -sNaN97 NaN8 -> -NaN97 Invalid_operation
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ddmng194 minmag sNaN69 sNaN94 -> NaN69 Invalid_operation
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ddmng195 minmag NaN95 sNaN93 -> NaN93 Invalid_operation
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ddmng196 minmag -Inf sNaN92 -> NaN92 Invalid_operation
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ddmng197 minmag 088 sNaN91 -> NaN91 Invalid_operation
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ddmng198 minmag Inf -sNaN90 -> -NaN90 Invalid_operation
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ddmng199 minmag NaN sNaN86 -> NaN86 Invalid_operation
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-- old rounding checks
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ddmng221 minmag -12345678000 1 -> 1
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ddmng222 minmag 1 -12345678000 -> 1
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ddmng223 minmag -1234567800 1 -> 1
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ddmng224 minmag 1 -1234567800 -> 1
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ddmng225 minmag -1234567890 1 -> 1
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ddmng226 minmag 1 -1234567890 -> 1
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ddmng227 minmag -1234567891 1 -> 1
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ddmng228 minmag 1 -1234567891 -> 1
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ddmng229 minmag -12345678901 1 -> 1
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ddmng230 minmag 1 -12345678901 -> 1
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ddmng231 minmag -1234567896 1 -> 1
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ddmng232 minmag 1 -1234567896 -> 1
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ddmng233 minmag 1234567891 1 -> 1
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ddmng234 minmag 1 1234567891 -> 1
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ddmng235 minmag 12345678901 1 -> 1
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ddmng236 minmag 1 12345678901 -> 1
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ddmng237 minmag 1234567896 1 -> 1
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ddmng238 minmag 1 1234567896 -> 1
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-- from examples
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ddmng280 minmag '3' '2' -> '2'
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ddmng281 minmag '-10' '3' -> '3'
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ddmng282 minmag '1.0' '1' -> '1.0'
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ddmng283 minmag '1' '1.0' -> '1.0'
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ddmng284 minmag '7' 'NaN' -> '7'
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-- expanded list from min/max 754r purple prose
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-- [explicit tests for exponent ordering]
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ddmng401 minmag Inf 1.1 -> 1.1
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ddmng402 minmag 1.1 1 -> 1
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ddmng403 minmag 1 1.0 -> 1.0
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ddmng404 minmag 1.0 0.1 -> 0.1
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ddmng405 minmag 0.1 0.10 -> 0.10
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ddmng406 minmag 0.10 0.100 -> 0.100
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ddmng407 minmag 0.10 0 -> 0
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ddmng408 minmag 0 0.0 -> 0.0
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ddmng409 minmag 0.0 -0 -> -0
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ddmng410 minmag 0.0 -0.0 -> -0.0
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ddmng411 minmag 0.00 -0.0 -> -0.0
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ddmng412 minmag 0.0 -0.00 -> -0.00
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ddmng413 minmag 0 -0.0 -> -0.0
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ddmng414 minmag 0 -0 -> -0
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ddmng415 minmag -0.0 -0 -> -0
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ddmng416 minmag -0 -0.100 -> -0
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ddmng417 minmag -0.100 -0.10 -> -0.10
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ddmng418 minmag -0.10 -0.1 -> -0.1
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ddmng419 minmag -0.1 -1.0 -> -0.1
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ddmng420 minmag -1.0 -1 -> -1
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ddmng421 minmag -1 -1.1 -> -1
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ddmng423 minmag -1.1 -Inf -> -1.1
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-- same with operands reversed
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ddmng431 minmag 1.1 Inf -> 1.1
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ddmng432 minmag 1 1.1 -> 1
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ddmng433 minmag 1.0 1 -> 1.0
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ddmng434 minmag 0.1 1.0 -> 0.1
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ddmng435 minmag 0.10 0.1 -> 0.10
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ddmng436 minmag 0.100 0.10 -> 0.100
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ddmng437 minmag 0 0.10 -> 0
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ddmng438 minmag 0.0 0 -> 0.0
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ddmng439 minmag -0 0.0 -> -0
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ddmng440 minmag -0.0 0.0 -> -0.0
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ddmng441 minmag -0.0 0.00 -> -0.0
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ddmng442 minmag -0.00 0.0 -> -0.00
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ddmng443 minmag -0.0 0 -> -0.0
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ddmng444 minmag -0 0 -> -0
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ddmng445 minmag -0 -0.0 -> -0
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ddmng446 minmag -0.100 -0 -> -0
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ddmng447 minmag -0.10 -0.100 -> -0.10
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ddmng448 minmag -0.1 -0.10 -> -0.1
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ddmng449 minmag -1.0 -0.1 -> -0.1
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ddmng450 minmag -1 -1.0 -> -1
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ddmng451 minmag -1.1 -1 -> -1
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ddmng453 minmag -Inf -1.1 -> -1.1
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-- largies
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ddmng460 minmag 1000 1E+3 -> 1000
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ddmng461 minmag 1E+3 1000 -> 1000
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ddmng462 minmag 1000 -1E+3 -> -1E+3
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ddmng463 minmag 1E+3 -384 -> -384
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ddmng464 minmag -384 1E+3 -> -384
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ddmng465 minmag -1E+3 1000 -> -1E+3
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ddmng466 minmag -384 -1E+3 -> -384
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ddmng467 minmag -1E+3 -384 -> -384
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-- subnormals
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ddmng510 minmag 1.00E-383 0 -> 0
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ddmng511 minmag 0.1E-383 0 -> 0
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ddmng512 minmag 0.10E-383 0 -> 0
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ddmng513 minmag 0.100E-383 0 -> 0
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ddmng514 minmag 0.01E-383 0 -> 0
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ddmng515 minmag 0.999E-383 0 -> 0
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ddmng516 minmag 0.099E-383 0 -> 0
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ddmng517 minmag 0.009E-383 0 -> 0
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ddmng518 minmag 0.001E-383 0 -> 0
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ddmng519 minmag 0.0009E-383 0 -> 0
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ddmng520 minmag 0.0001E-383 0 -> 0
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ddmng530 minmag -1.00E-383 0 -> 0
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ddmng531 minmag -0.1E-383 0 -> 0
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ddmng532 minmag -0.10E-383 0 -> 0
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ddmng533 minmag -0.100E-383 0 -> 0
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ddmng534 minmag -0.01E-383 0 -> 0
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ddmng535 minmag -0.999E-383 0 -> 0
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ddmng536 minmag -0.099E-383 0 -> 0
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ddmng537 minmag -0.009E-383 0 -> 0
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ddmng538 minmag -0.001E-383 0 -> 0
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ddmng539 minmag -0.0009E-383 0 -> 0
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ddmng540 minmag -0.0001E-383 0 -> 0
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-- Null tests
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ddmng900 minmag 10 # -> NaN Invalid_operation
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ddmng901 minmag # 10 -> NaN Invalid_operation
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