Issue #3449: Update decimal module to use most recent specification
(v. 1.68) and tests (v. 2.58) from IBM.
diff --git a/Lib/test/decimaltestdata/ddMultiply.decTest b/Lib/test/decimaltestdata/ddMultiply.decTest
index f506ea2..09097d2 100644
--- a/Lib/test/decimaltestdata/ddMultiply.decTest
+++ b/Lib/test/decimaltestdata/ddMultiply.decTest
@@ -1,6 +1,6 @@
------------------------------------------------------------------------
-- ddMultiply.decTest -- decDouble multiplication --
--- Copyright (c) IBM Corporation, 1981, 2007. All rights reserved. --
+-- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. --
------------------------------------------------------------------------
-- Please see the document "General Decimal Arithmetic Testcases" --
-- at http://www2.hursley.ibm.com/decimal for the description of --
@@ -17,7 +17,7 @@
-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
-- mfc@uk.ibm.com --
------------------------------------------------------------------------
-version: 2.57
+version: 2.58
-- This set of tests are for decDoubles only; all arguments are
-- representable in a decDouble
@@ -167,6 +167,8 @@
-- tryzeros cases
ddmul504 multiply 0E-260 1000E-260 -> 0E-398 Clamped
ddmul505 multiply 100E+260 0E+260 -> 0E+369 Clamped
+-- 65K-1 case
+ddmul506 multiply 77.1 850 -> 65535.0
-- mixed with zeros
ddmul541 multiply 0 -1 -> -0
@@ -441,18 +443,28 @@
-- 1 234567890123456
ddmul900 multiply 0.3000000000E-191 0.3000000000E-191 -> 9.00000000000000E-384 Subnormal Rounded
ddmul901 multiply 0.3000000001E-191 0.3000000001E-191 -> 9.00000000600000E-384 Underflow Inexact Subnormal Rounded
-ddmul902 multiply 9.999999999999999E-383 0.0999999999999 -> 9.99999999999000E-384 Underflow Inexact Subnormal Rounded
-ddmul903 multiply 9.999999999999999E-383 0.09999999999999 -> 9.99999999999900E-384 Underflow Inexact Subnormal Rounded
-ddmul904 multiply 9.999999999999999E-383 0.099999999999999 -> 9.99999999999990E-384 Underflow Inexact Subnormal Rounded
-ddmul905 multiply 9.999999999999999E-383 0.0999999999999999 -> 9.99999999999999E-384 Underflow Inexact Subnormal Rounded
--- prove operands are exact
-ddmul906 multiply 9.999999999999999E-383 1 -> 9.999999999999999E-383
-ddmul907 multiply 1 0.09999999999999999 -> 0.09999999999999999
--- the next rounds to Nmin
-ddmul908 multiply 9.999999999999999E-383 0.09999999999999999 -> 1.000000000000000E-383 Underflow Inexact Subnormal Rounded
+ddmul902 multiply 9.999999999999999E-383 0.0999999999999 -> 9.99999999999000E-384 Underflow Inexact Subnormal Rounded
+ddmul903 multiply 9.999999999999999E-383 0.09999999999999 -> 9.99999999999900E-384 Underflow Inexact Subnormal Rounded
+ddmul904 multiply 9.999999999999999E-383 0.099999999999999 -> 9.99999999999990E-384 Underflow Inexact Subnormal Rounded
+ddmul905 multiply 9.999999999999999E-383 0.0999999999999999 -> 9.99999999999999E-384 Underflow Inexact Subnormal Rounded
+-- The next rounds to Nmin (b**emin); this is the distinguishing case
+-- for detecting tininess (before or after rounding) -- if after
+-- rounding then the result would be the same, but the Underflow flag
+-- would not be set
+ddmul906 multiply 9.999999999999999E-383 0.09999999999999999 -> 1.000000000000000E-383 Underflow Inexact Subnormal Rounded
+-- prove those operands were exact
+ddmul907 multiply 9.999999999999999E-383 1 -> 9.999999999999999E-383
+ddmul908 multiply 1 0.09999999999999999 -> 0.09999999999999999
+
+-- reducing tiniest
+ddmul910 multiply 1e-398 0.99 -> 1E-398 Subnormal Inexact Rounded Underflow
+ddmul911 multiply 1e-398 0.75 -> 1E-398 Subnormal Inexact Rounded Underflow
+ddmul912 multiply 1e-398 0.5 -> 0E-398 Subnormal Inexact Rounded Underflow Clamped
+ddmul913 multiply 1e-398 0.25 -> 0E-398 Subnormal Inexact Rounded Underflow Clamped
+ddmul914 multiply 1e-398 0.01 -> 0E-398 Subnormal Inexact Rounded Underflow Clamped
-- hugest
-ddmul909 multiply 9999999999999999 9999999999999999 -> 9.999999999999998E+31 Inexact Rounded
+ddmul920 multiply 9999999999999999 9999999999999999 -> 9.999999999999998E+31 Inexact Rounded
-- power-of-ten edge cases
ddmul1001 multiply 1 10 -> 10
@@ -535,12 +547,7 @@
ddmul1098 multiply 10000 99999999999 -> 999999999990000
-
-
-- Null tests
ddmul9990 multiply 10 # -> NaN Invalid_operation
ddmul9991 multiply # 10 -> NaN Invalid_operation
-
-
-