Merged the decimal-branch (revisions 54886 to 58140). Decimal is now
fully updated to the latests Decimal Specification (v1.66) and the
latests test cases (v2.56).
Thanks to Mark Dickinson for all his help during this process.
diff --git a/Lib/test/decimaltestdata/ddMinMag.decTest b/Lib/test/decimaltestdata/ddMinMag.decTest
new file mode 100644
index 0000000..cc5ccec
--- /dev/null
+++ b/Lib/test/decimaltestdata/ddMinMag.decTest
@@ -0,0 +1,293 @@
+------------------------------------------------------------------------
+-- ddMinMag.decTest -- decDouble minnummag --
+-- Copyright (c) IBM Corporation, 1981, 2007. 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: 2.56
+
+-- we assume that base comparison is tested in compare.decTest, so
+-- these mainly cover special cases and rounding
+precision: 16
+maxExponent: 384
+minExponent: -383
+extended: 1
+clamp: 1
+rounding: half_even
+
+-- sanity checks
+ddmng001 minmag -2 -2 -> -2
+ddmng002 minmag -2 -1 -> -1
+ddmng003 minmag -2 0 -> 0
+ddmng004 minmag -2 1 -> 1
+ddmng005 minmag -2 2 -> -2
+ddmng006 minmag -1 -2 -> -1
+ddmng007 minmag -1 -1 -> -1
+ddmng008 minmag -1 0 -> 0
+ddmng009 minmag -1 1 -> -1
+ddmng010 minmag -1 2 -> -1
+ddmng011 minmag 0 -2 -> 0
+ddmng012 minmag 0 -1 -> 0
+ddmng013 minmag 0 0 -> 0
+ddmng014 minmag 0 1 -> 0
+ddmng015 minmag 0 2 -> 0
+ddmng016 minmag 1 -2 -> 1
+ddmng017 minmag 1 -1 -> -1
+ddmng018 minmag 1 0 -> 0
+ddmng019 minmag 1 1 -> 1
+ddmng020 minmag 1 2 -> 1
+ddmng021 minmag 2 -2 -> -2
+ddmng022 minmag 2 -1 -> -1
+ddmng023 minmag 2 0 -> 0
+ddmng025 minmag 2 1 -> 1
+ddmng026 minmag 2 2 -> 2
+
+-- extended zeros
+ddmng030 minmag 0 0 -> 0
+ddmng031 minmag 0 -0 -> -0
+ddmng032 minmag 0 -0.0 -> -0.0
+ddmng033 minmag 0 0.0 -> 0.0
+ddmng034 minmag -0 0 -> -0
+ddmng035 minmag -0 -0 -> -0
+ddmng036 minmag -0 -0.0 -> -0
+ddmng037 minmag -0 0.0 -> -0
+ddmng038 minmag 0.0 0 -> 0.0
+ddmng039 minmag 0.0 -0 -> -0
+ddmng040 minmag 0.0 -0.0 -> -0.0
+ddmng041 minmag 0.0 0.0 -> 0.0
+ddmng042 minmag -0.0 0 -> -0.0
+ddmng043 minmag -0.0 -0 -> -0
+ddmng044 minmag -0.0 -0.0 -> -0.0
+ddmng045 minmag -0.0 0.0 -> -0.0
+
+ddmng046 minmag 0E1 -0E1 -> -0E+1
+ddmng047 minmag -0E1 0E2 -> -0E+1
+ddmng048 minmag 0E2 0E1 -> 0E+1
+ddmng049 minmag 0E1 0E2 -> 0E+1
+ddmng050 minmag -0E3 -0E2 -> -0E+3
+ddmng051 minmag -0E2 -0E3 -> -0E+3
+
+-- Specials
+ddmng090 minmag Inf -Inf -> -Infinity
+ddmng091 minmag Inf -1000 -> -1000
+ddmng092 minmag Inf -1 -> -1
+ddmng093 minmag Inf -0 -> -0
+ddmng094 minmag Inf 0 -> 0
+ddmng095 minmag Inf 1 -> 1
+ddmng096 minmag Inf 1000 -> 1000
+ddmng097 minmag Inf Inf -> Infinity
+ddmng098 minmag -1000 Inf -> -1000
+ddmng099 minmag -Inf Inf -> -Infinity
+ddmng100 minmag -1 Inf -> -1
+ddmng101 minmag -0 Inf -> -0
+ddmng102 minmag 0 Inf -> 0
+ddmng103 minmag 1 Inf -> 1
+ddmng104 minmag 1000 Inf -> 1000
+ddmng105 minmag Inf Inf -> Infinity
+
+ddmng120 minmag -Inf -Inf -> -Infinity
+ddmng121 minmag -Inf -1000 -> -1000
+ddmng122 minmag -Inf -1 -> -1
+ddmng123 minmag -Inf -0 -> -0
+ddmng124 minmag -Inf 0 -> 0
+ddmng125 minmag -Inf 1 -> 1
+ddmng126 minmag -Inf 1000 -> 1000
+ddmng127 minmag -Inf Inf -> -Infinity
+ddmng128 minmag -Inf -Inf -> -Infinity
+ddmng129 minmag -1000 -Inf -> -1000
+ddmng130 minmag -1 -Inf -> -1
+ddmng131 minmag -0 -Inf -> -0
+ddmng132 minmag 0 -Inf -> 0
+ddmng133 minmag 1 -Inf -> 1
+ddmng134 minmag 1000 -Inf -> 1000
+ddmng135 minmag Inf -Inf -> -Infinity
+
+-- 2004.08.02 754r chooses number over NaN in mixed cases
+ddmng141 minmag NaN -Inf -> -Infinity
+ddmng142 minmag NaN -1000 -> -1000
+ddmng143 minmag NaN -1 -> -1
+ddmng144 minmag NaN -0 -> -0
+ddmng145 minmag NaN 0 -> 0
+ddmng146 minmag NaN 1 -> 1
+ddmng147 minmag NaN 1000 -> 1000
+ddmng148 minmag NaN Inf -> Infinity
+ddmng149 minmag NaN NaN -> NaN
+ddmng150 minmag -Inf NaN -> -Infinity
+ddmng151 minmag -1000 NaN -> -1000
+ddmng152 minmag -1 -NaN -> -1
+ddmng153 minmag -0 NaN -> -0
+ddmng154 minmag 0 -NaN -> 0
+ddmng155 minmag 1 NaN -> 1
+ddmng156 minmag 1000 NaN -> 1000
+ddmng157 minmag Inf NaN -> Infinity
+
+ddmng161 minmag sNaN -Inf -> NaN Invalid_operation
+ddmng162 minmag sNaN -1000 -> NaN Invalid_operation
+ddmng163 minmag sNaN -1 -> NaN Invalid_operation
+ddmng164 minmag sNaN -0 -> NaN Invalid_operation
+ddmng165 minmag -sNaN 0 -> -NaN Invalid_operation
+ddmng166 minmag -sNaN 1 -> -NaN Invalid_operation
+ddmng167 minmag sNaN 1000 -> NaN Invalid_operation
+ddmng168 minmag sNaN NaN -> NaN Invalid_operation
+ddmng169 minmag sNaN sNaN -> NaN Invalid_operation
+ddmng170 minmag NaN sNaN -> NaN Invalid_operation
+ddmng171 minmag -Inf sNaN -> NaN Invalid_operation
+ddmng172 minmag -1000 sNaN -> NaN Invalid_operation
+ddmng173 minmag -1 sNaN -> NaN Invalid_operation
+ddmng174 minmag -0 sNaN -> NaN Invalid_operation
+ddmng175 minmag 0 sNaN -> NaN Invalid_operation
+ddmng176 minmag 1 sNaN -> NaN Invalid_operation
+ddmng177 minmag 1000 sNaN -> NaN Invalid_operation
+ddmng178 minmag Inf sNaN -> NaN Invalid_operation
+ddmng179 minmag NaN sNaN -> NaN Invalid_operation
+
+-- propagating NaNs
+ddmng181 minmag NaN9 -Inf -> -Infinity
+ddmng182 minmag -NaN8 9990 -> 9990
+ddmng183 minmag NaN71 Inf -> Infinity
+
+ddmng184 minmag NaN1 NaN54 -> NaN1
+ddmng185 minmag NaN22 -NaN53 -> NaN22
+ddmng186 minmag -NaN3 NaN6 -> -NaN3
+ddmng187 minmag -NaN44 NaN7 -> -NaN44
+
+ddmng188 minmag -Inf NaN41 -> -Infinity
+ddmng189 minmag -9999 -NaN33 -> -9999
+ddmng190 minmag Inf NaN2 -> Infinity
+
+ddmng191 minmag sNaN99 -Inf -> NaN99 Invalid_operation
+ddmng192 minmag sNaN98 -11 -> NaN98 Invalid_operation
+ddmng193 minmag -sNaN97 NaN8 -> -NaN97 Invalid_operation
+ddmng194 minmag sNaN69 sNaN94 -> NaN69 Invalid_operation
+ddmng195 minmag NaN95 sNaN93 -> NaN93 Invalid_operation
+ddmng196 minmag -Inf sNaN92 -> NaN92 Invalid_operation
+ddmng197 minmag 088 sNaN91 -> NaN91 Invalid_operation
+ddmng198 minmag Inf -sNaN90 -> -NaN90 Invalid_operation
+ddmng199 minmag NaN sNaN86 -> NaN86 Invalid_operation
+
+-- old rounding checks
+ddmng221 minmag -12345678000 1 -> 1
+ddmng222 minmag 1 -12345678000 -> 1
+ddmng223 minmag -1234567800 1 -> 1
+ddmng224 minmag 1 -1234567800 -> 1
+ddmng225 minmag -1234567890 1 -> 1
+ddmng226 minmag 1 -1234567890 -> 1
+ddmng227 minmag -1234567891 1 -> 1
+ddmng228 minmag 1 -1234567891 -> 1
+ddmng229 minmag -12345678901 1 -> 1
+ddmng230 minmag 1 -12345678901 -> 1
+ddmng231 minmag -1234567896 1 -> 1
+ddmng232 minmag 1 -1234567896 -> 1
+ddmng233 minmag 1234567891 1 -> 1
+ddmng234 minmag 1 1234567891 -> 1
+ddmng235 minmag 12345678901 1 -> 1
+ddmng236 minmag 1 12345678901 -> 1
+ddmng237 minmag 1234567896 1 -> 1
+ddmng238 minmag 1 1234567896 -> 1
+
+-- from examples
+ddmng280 minmag '3' '2' -> '2'
+ddmng281 minmag '-10' '3' -> '3'
+ddmng282 minmag '1.0' '1' -> '1.0'
+ddmng283 minmag '1' '1.0' -> '1.0'
+ddmng284 minmag '7' 'NaN' -> '7'
+
+-- expanded list from min/max 754r purple prose
+-- [explicit tests for exponent ordering]
+ddmng401 minmag Inf 1.1 -> 1.1
+ddmng402 minmag 1.1 1 -> 1
+ddmng403 minmag 1 1.0 -> 1.0
+ddmng404 minmag 1.0 0.1 -> 0.1
+ddmng405 minmag 0.1 0.10 -> 0.10
+ddmng406 minmag 0.10 0.100 -> 0.100
+ddmng407 minmag 0.10 0 -> 0
+ddmng408 minmag 0 0.0 -> 0.0
+ddmng409 minmag 0.0 -0 -> -0
+ddmng410 minmag 0.0 -0.0 -> -0.0
+ddmng411 minmag 0.00 -0.0 -> -0.0
+ddmng412 minmag 0.0 -0.00 -> -0.00
+ddmng413 minmag 0 -0.0 -> -0.0
+ddmng414 minmag 0 -0 -> -0
+ddmng415 minmag -0.0 -0 -> -0
+ddmng416 minmag -0 -0.100 -> -0
+ddmng417 minmag -0.100 -0.10 -> -0.10
+ddmng418 minmag -0.10 -0.1 -> -0.1
+ddmng419 minmag -0.1 -1.0 -> -0.1
+ddmng420 minmag -1.0 -1 -> -1
+ddmng421 minmag -1 -1.1 -> -1
+ddmng423 minmag -1.1 -Inf -> -1.1
+-- same with operands reversed
+ddmng431 minmag 1.1 Inf -> 1.1
+ddmng432 minmag 1 1.1 -> 1
+ddmng433 minmag 1.0 1 -> 1.0
+ddmng434 minmag 0.1 1.0 -> 0.1
+ddmng435 minmag 0.10 0.1 -> 0.10
+ddmng436 minmag 0.100 0.10 -> 0.100
+ddmng437 minmag 0 0.10 -> 0
+ddmng438 minmag 0.0 0 -> 0.0
+ddmng439 minmag -0 0.0 -> -0
+ddmng440 minmag -0.0 0.0 -> -0.0
+ddmng441 minmag -0.0 0.00 -> -0.0
+ddmng442 minmag -0.00 0.0 -> -0.00
+ddmng443 minmag -0.0 0 -> -0.0
+ddmng444 minmag -0 0 -> -0
+ddmng445 minmag -0 -0.0 -> -0
+ddmng446 minmag -0.100 -0 -> -0
+ddmng447 minmag -0.10 -0.100 -> -0.10
+ddmng448 minmag -0.1 -0.10 -> -0.1
+ddmng449 minmag -1.0 -0.1 -> -0.1
+ddmng450 minmag -1 -1.0 -> -1
+ddmng451 minmag -1.1 -1 -> -1
+ddmng453 minmag -Inf -1.1 -> -1.1
+-- largies
+ddmng460 minmag 1000 1E+3 -> 1000
+ddmng461 minmag 1E+3 1000 -> 1000
+ddmng462 minmag 1000 -1E+3 -> -1E+3
+ddmng463 minmag 1E+3 -384 -> -384
+ddmng464 minmag -384 1E+3 -> -384
+ddmng465 minmag -1E+3 1000 -> -1E+3
+ddmng466 minmag -384 -1E+3 -> -384
+ddmng467 minmag -1E+3 -384 -> -384
+
+-- subnormals
+ddmng510 minmag 1.00E-383 0 -> 0
+ddmng511 minmag 0.1E-383 0 -> 0
+ddmng512 minmag 0.10E-383 0 -> 0
+ddmng513 minmag 0.100E-383 0 -> 0
+ddmng514 minmag 0.01E-383 0 -> 0
+ddmng515 minmag 0.999E-383 0 -> 0
+ddmng516 minmag 0.099E-383 0 -> 0
+ddmng517 minmag 0.009E-383 0 -> 0
+ddmng518 minmag 0.001E-383 0 -> 0
+ddmng519 minmag 0.0009E-383 0 -> 0
+ddmng520 minmag 0.0001E-383 0 -> 0
+
+ddmng530 minmag -1.00E-383 0 -> 0
+ddmng531 minmag -0.1E-383 0 -> 0
+ddmng532 minmag -0.10E-383 0 -> 0
+ddmng533 minmag -0.100E-383 0 -> 0
+ddmng534 minmag -0.01E-383 0 -> 0
+ddmng535 minmag -0.999E-383 0 -> 0
+ddmng536 minmag -0.099E-383 0 -> 0
+ddmng537 minmag -0.009E-383 0 -> 0
+ddmng538 minmag -0.001E-383 0 -> 0
+ddmng539 minmag -0.0009E-383 0 -> 0
+ddmng540 minmag -0.0001E-383 0 -> 0
+
+
+-- Null tests
+ddmng900 minmag 10 # -> NaN Invalid_operation
+ddmng901 minmag # 10 -> NaN Invalid_operation