diff --git a/Lib/test/decimaltestdata/abs.decTest b/Lib/test/decimaltestdata/abs.decTest
index ed4c46e..39f2dca 100644
--- a/Lib/test/decimaltestdata/abs.decTest
+++ b/Lib/test/decimaltestdata/abs.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This set of tests primarily tests the existence of the operator.
 -- Additon, subtraction, rounding, and more overflows are tested
diff --git a/Lib/test/decimaltestdata/add.decTest b/Lib/test/decimaltestdata/add.decTest
index 3460aa4..8db222a 100644
--- a/Lib/test/decimaltestdata/add.decTest
+++ b/Lib/test/decimaltestdata/add.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   9
 rounding:    half_up
@@ -1122,6 +1122,15 @@
 addx1117 add -1e-4 +1e-383   -> -0.00009999999999999999  Rounded Inexact
 addx1118 add -1e-5 +1e-383   -> -0.000009999999999999999  Rounded Inexact
 addx1119 add -1e-6 +1e-383   -> -9.999999999999999E-7  Rounded Inexact
+addx1120 add +1e-383 -1e+2   -> -99.99999999999999 Rounded Inexact
+addx1121 add +1e-383 -1e+1   -> -9.999999999999999  Rounded Inexact
+addx1123 add +1e-383    -1   -> -0.9999999999999999  Rounded Inexact
+addx1124 add +1e-383 -1e-1   -> -0.09999999999999999  Rounded Inexact
+addx1125 add +1e-383 -1e-2   -> -0.009999999999999999  Rounded Inexact
+addx1126 add +1e-383 -1e-3   -> -0.0009999999999999999  Rounded Inexact
+addx1127 add +1e-383 -1e-4   -> -0.00009999999999999999  Rounded Inexact
+addx1128 add +1e-383 -1e-5   -> -0.000009999999999999999  Rounded Inexact
+addx1129 add +1e-383 -1e-6   -> -9.999999999999999E-7  Rounded Inexact
 
 rounding:     down
 precision:    7
@@ -1658,17 +1667,19 @@
 addx6057 add '1E+2' '1E+4' -> '1.01E+4'
 
 -- from above
-addx6061 add 1 '0.1' -> '1.1'
-addx6062 add 1 '0.01' -> '1.01'
-addx6063 add 1 '0.001' -> '1.001'
-addx6064 add 1 '0.0001' -> '1.0001'
-addx6065 add 1 '0.00001' -> '1.00001'
-addx6066 add 1 '0.000001' -> '1.000001'
-addx6067 add 1 '0.0000001' -> '1.0000001'
-addx6068 add 1 '0.00000001' -> '1.00000001'
+addx6060 add 1 '0.1' -> '1.1'
+addx6061 add 1 '0.01' -> '1.01'
+addx6062 add 1 '0.001' -> '1.001'
+addx6063 add 1 '0.0001' -> '1.0001'
+addx6064 add 1 '0.00001' -> '1.00001'
+addx6065 add 1 '0.000001' -> '1.000001'
+addx6066 add 1 '0.0000001' -> '1.0000001'
+addx6067 add 1 '0.00000001' -> '1.00000001'
 
 -- cancellation to integer
-addx6069 add 99999999999999123456789 -99999999999999E+9 -> 123456789
+addx6068 add 99999999999999123456789 -99999999999999E+9 -> 123456789
+-- similar from FMA fun
+addx6069 add "-1234567890123455.234567890123454" "1234567890123456" -> 0.765432109876546
 
 -- some funny zeros [in case of bad signum]
 addx6070 add 1  0    -> 1
diff --git a/Lib/test/decimaltestdata/and.decTest b/Lib/test/decimaltestdata/and.decTest
index 18ba881..90490a5 100644
--- a/Lib/test/decimaltestdata/and.decTest
+++ b/Lib/test/decimaltestdata/and.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/base.decTest b/Lib/test/decimaltestdata/base.decTest
index de0b813..58ce91c 100644
--- a/Lib/test/decimaltestdata/base.decTest
+++ b/Lib/test/decimaltestdata/base.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 extended:    1
 
 -- This file tests base conversions from string to a decimal number
diff --git a/Lib/test/decimaltestdata/clamp.decTest b/Lib/test/decimaltestdata/clamp.decTest
index eca0cfb..48e27c0 100644
--- a/Lib/test/decimaltestdata/clamp.decTest
+++ b/Lib/test/decimaltestdata/clamp.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This set of tests uses the same limits as the 8-byte concrete
 -- representation, but applies clamping without using format-specific
diff --git a/Lib/test/decimaltestdata/class.decTest b/Lib/test/decimaltestdata/class.decTest
index 77a22e3..61ad548 100644
--- a/Lib/test/decimaltestdata/class.decTest
+++ b/Lib/test/decimaltestdata/class.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- [New 2006.11.27]
 
diff --git a/Lib/test/decimaltestdata/compare.decTest b/Lib/test/decimaltestdata/compare.decTest
index 2d5e664..979cc52 100644
--- a/Lib/test/decimaltestdata/compare.decTest
+++ b/Lib/test/decimaltestdata/compare.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Note that we cannot assume add/subtract tests cover paths adequately,
 -- here, because the code might be quite different (comparison cannot
diff --git a/Lib/test/decimaltestdata/comparetotal.decTest b/Lib/test/decimaltestdata/comparetotal.decTest
index 737293f..ef2914f 100644
--- a/Lib/test/decimaltestdata/comparetotal.decTest
+++ b/Lib/test/decimaltestdata/comparetotal.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Note that we cannot assume add/subtract tests cover paths adequately,
 -- here, because the code might be quite different (comparison cannot
diff --git a/Lib/test/decimaltestdata/comparetotmag.decTest b/Lib/test/decimaltestdata/comparetotmag.decTest
index a12e614..4a51d7f 100644
--- a/Lib/test/decimaltestdata/comparetotmag.decTest
+++ b/Lib/test/decimaltestdata/comparetotmag.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Note that it cannot be assumed that add/subtract tests cover paths
 -- for this operation adequately, here, because the code might be
diff --git a/Lib/test/decimaltestdata/copy.decTest b/Lib/test/decimaltestdata/copy.decTest
index 5d4065d..e6edac5 100644
--- a/Lib/test/decimaltestdata/copy.decTest
+++ b/Lib/test/decimaltestdata/copy.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/copyabs.decTest b/Lib/test/decimaltestdata/copyabs.decTest
index 7457552..4479888 100644
--- a/Lib/test/decimaltestdata/copyabs.decTest
+++ b/Lib/test/decimaltestdata/copyabs.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/copynegate.decTest b/Lib/test/decimaltestdata/copynegate.decTest
index 3e502be..7cf124c 100644
--- a/Lib/test/decimaltestdata/copynegate.decTest
+++ b/Lib/test/decimaltestdata/copynegate.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/copysign.decTest b/Lib/test/decimaltestdata/copysign.decTest
index 6b20fda..ed60893 100644
--- a/Lib/test/decimaltestdata/copysign.decTest
+++ b/Lib/test/decimaltestdata/copysign.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/ddAbs.decTest b/Lib/test/decimaltestdata/ddAbs.decTest
index 4da662c..58b7902 100644
--- a/Lib/test/decimaltestdata/ddAbs.decTest
+++ b/Lib/test/decimaltestdata/ddAbs.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
diff --git a/Lib/test/decimaltestdata/ddAdd.decTest b/Lib/test/decimaltestdata/ddAdd.decTest
index 49d89d4..38d511b 100644
--- a/Lib/test/decimaltestdata/ddAdd.decTest
+++ b/Lib/test/decimaltestdata/ddAdd.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This set of tests are for decDoubles only; all arguments are
 -- representable in a decDouble
@@ -1029,6 +1029,16 @@
 ddadd71707 add 130E-2   -1E0    -> 0.30
 ddadd71708 add 1E2      -1E4    -> -9.9E+3
 
+-- query from Vincent Kulandaisamy
+rounding: ceiling
+ddadd71801  add  7.8822773805862E+277    -5.1757503820663E-21 -> 7.882277380586200E+277 Inexact Rounded
+ddadd71802  add  7.882277380586200E+277  12.341               -> 7.882277380586201E+277 Inexact Rounded
+ddadd71803  add  7.882277380586201E+277  2.7270545046613E-31  -> 7.882277380586202E+277 Inexact Rounded
+
+ddadd71811  add                   12.341 -5.1757503820663E-21 -> 12.34100000000000      Inexact Rounded
+ddadd71812  add        12.34100000000000 2.7270545046613E-31  -> 12.34100000000001      Inexact Rounded
+ddadd71813  add        12.34100000000001 7.8822773805862E+277 -> 7.882277380586201E+277 Inexact Rounded
+
 -- Gappy coefficients; check residue handling even with full coefficient gap
 rounding: half_even
 
diff --git a/Lib/test/decimaltestdata/ddAnd.decTest b/Lib/test/decimaltestdata/ddAnd.decTest
index e5fa38d..850da17 100644
--- a/Lib/test/decimaltestdata/ddAnd.decTest
+++ b/Lib/test/decimaltestdata/ddAnd.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
diff --git a/Lib/test/decimaltestdata/ddBase.decTest b/Lib/test/decimaltestdata/ddBase.decTest
index 431bce1..ddc8185 100644
--- a/Lib/test/decimaltestdata/ddBase.decTest
+++ b/Lib/test/decimaltestdata/ddBase.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This file tests base conversions from string to a decimal number
 -- and back to a string (in Scientific form)
diff --git a/Lib/test/decimaltestdata/ddCanonical.decTest b/Lib/test/decimaltestdata/ddCanonical.decTest
index 308b9ff..4d659b0 100644
--- a/Lib/test/decimaltestdata/ddCanonical.decTest
+++ b/Lib/test/decimaltestdata/ddCanonical.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This file tests that copy operations leave uncanonical operands
 -- unchanged, and vice versa
diff --git a/Lib/test/decimaltestdata/ddClass.decTest b/Lib/test/decimaltestdata/ddClass.decTest
index 0b1d1f3..8a38f4a 100644
--- a/Lib/test/decimaltestdata/ddClass.decTest
+++ b/Lib/test/decimaltestdata/ddClass.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- [New 2006.11.27]
 precision:   16
diff --git a/Lib/test/decimaltestdata/ddCompare.decTest b/Lib/test/decimaltestdata/ddCompare.decTest
index b225d0d..5f6fba5 100644
--- a/Lib/test/decimaltestdata/ddCompare.decTest
+++ b/Lib/test/decimaltestdata/ddCompare.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Note that we cannot assume add/subtract tests cover paths adequately,
 -- here, because the code might be quite different (comparison cannot
diff --git a/Lib/test/decimaltestdata/ddCompareSig.decTest b/Lib/test/decimaltestdata/ddCompareSig.decTest
index 388a656..b4895da 100644
--- a/Lib/test/decimaltestdata/ddCompareSig.decTest
+++ b/Lib/test/decimaltestdata/ddCompareSig.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Note that we cannot assume add/subtract tests cover paths adequately,
 -- here, because the code might be quite different (comparison cannot
diff --git a/Lib/test/decimaltestdata/ddCompareTotal.decTest b/Lib/test/decimaltestdata/ddCompareTotal.decTest
index a8bf477..b86b8df 100644
--- a/Lib/test/decimaltestdata/ddCompareTotal.decTest
+++ b/Lib/test/decimaltestdata/ddCompareTotal.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Note that we cannot assume add/subtract tests cover paths adequately,
 -- here, because the code might be quite different (comparison cannot
diff --git a/Lib/test/decimaltestdata/ddCompareTotalMag.decTest b/Lib/test/decimaltestdata/ddCompareTotalMag.decTest
index b19cf64..e93a749 100644
--- a/Lib/test/decimaltestdata/ddCompareTotalMag.decTest
+++ b/Lib/test/decimaltestdata/ddCompareTotalMag.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Note that we cannot assume add/subtract tests cover paths adequately,
 -- here, because the code might be quite different (comparison cannot
diff --git a/Lib/test/decimaltestdata/ddCopy.decTest b/Lib/test/decimaltestdata/ddCopy.decTest
index 49c6824..9d82db7 100644
--- a/Lib/test/decimaltestdata/ddCopy.decTest
+++ b/Lib/test/decimaltestdata/ddCopy.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decDoubles.
 precision:   16
diff --git a/Lib/test/decimaltestdata/ddCopyAbs.decTest b/Lib/test/decimaltestdata/ddCopyAbs.decTest
index b65f063..c60cc38 100644
--- a/Lib/test/decimaltestdata/ddCopyAbs.decTest
+++ b/Lib/test/decimaltestdata/ddCopyAbs.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decDoubles.
 precision:   16
diff --git a/Lib/test/decimaltestdata/ddCopyNegate.decTest b/Lib/test/decimaltestdata/ddCopyNegate.decTest
index b111c9b..c2c6098 100644
--- a/Lib/test/decimaltestdata/ddCopyNegate.decTest
+++ b/Lib/test/decimaltestdata/ddCopyNegate.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decDoubles.
 precision:   16
diff --git a/Lib/test/decimaltestdata/ddCopySign.decTest b/Lib/test/decimaltestdata/ddCopySign.decTest
index 7c83416..36b060e 100644
--- a/Lib/test/decimaltestdata/ddCopySign.decTest
+++ b/Lib/test/decimaltestdata/ddCopySign.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decDoubles.
 precision:   16
diff --git a/Lib/test/decimaltestdata/ddDivide.decTest b/Lib/test/decimaltestdata/ddDivide.decTest
index 1a953f7..9069894 100644
--- a/Lib/test/decimaltestdata/ddDivide.decTest
+++ b/Lib/test/decimaltestdata/ddDivide.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
diff --git a/Lib/test/decimaltestdata/ddDivideInt.decTest b/Lib/test/decimaltestdata/ddDivideInt.decTest
index 782fe8d..7116841 100644
--- a/Lib/test/decimaltestdata/ddDivideInt.decTest
+++ b/Lib/test/decimaltestdata/ddDivideInt.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
diff --git a/Lib/test/decimaltestdata/ddEncode.decTest b/Lib/test/decimaltestdata/ddEncode.decTest
index 16264fc..3fa434c 100644
--- a/Lib/test/decimaltestdata/ddEncode.decTest
+++ b/Lib/test/decimaltestdata/ddEncode.decTest
@@ -18,7 +18,7 @@
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
 -- [Previously called decimal64.decTest]
-version: 2.56
+version: 2.57
 
 -- This set of tests is for the eight-byte concrete representation.
 -- Its characteristics are:
@@ -485,3 +485,6 @@
 decd829 apply  #2238000115afb55b ->  4294967295
 decd830 apply  #2238000115afb57a ->  4294967296
 decd831 apply  #2238000115afb57b ->  4294967297
+
+-- for narrowing
+decd840 apply  #2870000000000000 ->  2.000000000000000E-99
diff --git a/Lib/test/decimaltestdata/ddFMA.decTest b/Lib/test/decimaltestdata/ddFMA.decTest
index 946d680..bc44b6a 100644
--- a/Lib/test/decimaltestdata/ddFMA.decTest
+++ b/Lib/test/decimaltestdata/ddFMA.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
@@ -1663,6 +1663,34 @@
 ddfma375088 fma  1  12345678 1E-34                   -> 12345678.00000001 Inexact Rounded
 ddfma375089 fma  1  12345678 1E-35                   -> 12345678.00000001 Inexact Rounded
 
+-- desctructive subtraction (from remainder tests)
+
+-- +++ some of these will be off-by-one remainder vs remainderNear
+
+ddfma4000  fma  -1234567890123454   1.000000000000001    1234567890123456  ->  0.765432109876546
+ddfma4001  fma  -1234567890123443    1.00000000000001    1234567890123456  ->  0.65432109876557
+ddfma4002  fma  -1234567890123332     1.0000000000001    1234567890123456  ->  0.5432109876668
+ddfma4003  fma   -308641972530863   4.000000000000001    1234567890123455  ->  2.691358027469137
+ddfma4004  fma   -308641972530863   4.000000000000001    1234567890123456  ->  3.691358027469137
+ddfma4005  fma   -246913578024696     4.9999999999999    1234567890123456  ->  0.6913578024696
+ddfma4006  fma   -246913578024691    4.99999999999999    1234567890123456  ->  3.46913578024691
+ddfma4007  fma   -246913578024691   4.999999999999999    1234567890123456  ->  1.246913578024691
+ddfma4008  fma   -246913578024691   5.000000000000001    1234567890123456  ->  0.753086421975309
+ddfma4009  fma   -246913578024690    5.00000000000001    1234567890123456  ->  3.53086421975310
+ddfma4010  fma   -246913578024686     5.0000000000001    1234567890123456  ->  1.3086421975314
+ddfma4011  fma  -1234567890123455   1.000000000000001    1234567890123456  ->  -0.234567890123455
+ddfma4012  fma  -1234567890123444    1.00000000000001    1234567890123456  ->  -0.34567890123444
+ddfma4013  fma  -1234567890123333     1.0000000000001    1234567890123456  ->  -0.4567890123333
+ddfma4014  fma   -308641972530864   4.000000000000001    1234567890123455  ->  -1.308641972530864
+ddfma4015  fma   -308641972530864   4.000000000000001    1234567890123456  ->  -0.308641972530864
+ddfma4016  fma   -246913578024696     4.9999999999999    1234567890123456  ->  0.6913578024696
+ddfma4017  fma   -246913578024692    4.99999999999999    1234567890123456  ->  -1.53086421975308
+ddfma4018  fma   -246913578024691   4.999999999999999    1234567890123456  ->  1.246913578024691
+ddfma4019  fma   -246913578024691   5.000000000000001    1234567890123456  ->  0.753086421975309
+ddfma4020  fma   -246913578024691    5.00000000000001    1234567890123456  ->  -1.46913578024691
+ddfma4021  fma   -246913578024686     5.0000000000001    1234567890123456  ->  1.3086421975314
+
+
 -- Null tests
 ddfma39990 fma  1  10  # -> NaN Invalid_operation
 ddfma39991 fma  1   # 10 -> NaN Invalid_operation
diff --git a/Lib/test/decimaltestdata/ddInvert.decTest b/Lib/test/decimaltestdata/ddInvert.decTest
index 2697f59..b4ae744 100644
--- a/Lib/test/decimaltestdata/ddInvert.decTest
+++ b/Lib/test/decimaltestdata/ddInvert.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
diff --git a/Lib/test/decimaltestdata/ddLogB.decTest b/Lib/test/decimaltestdata/ddLogB.decTest
index f18fd5e..99a3843 100644
--- a/Lib/test/decimaltestdata/ddLogB.decTest
+++ b/Lib/test/decimaltestdata/ddLogB.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
diff --git a/Lib/test/decimaltestdata/ddMax.decTest b/Lib/test/decimaltestdata/ddMax.decTest
index 5fe600f..515f79a 100644
--- a/Lib/test/decimaltestdata/ddMax.decTest
+++ b/Lib/test/decimaltestdata/ddMax.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- we assume that base comparison is tested in compare.decTest, so
 -- these mainly cover special cases and rounding
diff --git a/Lib/test/decimaltestdata/ddMaxMag.decTest b/Lib/test/decimaltestdata/ddMaxMag.decTest
index dbabc99..c43c460 100644
--- a/Lib/test/decimaltestdata/ddMaxMag.decTest
+++ b/Lib/test/decimaltestdata/ddMaxMag.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- we assume that base comparison is tested in compare.decTest, so
 -- these mainly cover special cases and rounding
diff --git a/Lib/test/decimaltestdata/ddMin.decTest b/Lib/test/decimaltestdata/ddMin.decTest
index 4ba27f7..c77a71e 100644
--- a/Lib/test/decimaltestdata/ddMin.decTest
+++ b/Lib/test/decimaltestdata/ddMin.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- we assume that base comparison is tested in compare.decTest, so
 -- these mainly cover special cases and rounding
diff --git a/Lib/test/decimaltestdata/ddMinMag.decTest b/Lib/test/decimaltestdata/ddMinMag.decTest
index cc5ccec..9291abc 100644
--- a/Lib/test/decimaltestdata/ddMinMag.decTest
+++ b/Lib/test/decimaltestdata/ddMinMag.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- we assume that base comparison is tested in compare.decTest, so
 -- these mainly cover special cases and rounding
diff --git a/Lib/test/decimaltestdata/ddMinus.decTest b/Lib/test/decimaltestdata/ddMinus.decTest
index 9fe196b..07dfa7a 100644
--- a/Lib/test/decimaltestdata/ddMinus.decTest
+++ b/Lib/test/decimaltestdata/ddMinus.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decDoubles.
 precision:   16
diff --git a/Lib/test/decimaltestdata/ddMultiply.decTest b/Lib/test/decimaltestdata/ddMultiply.decTest
index 01e0ffe..f506ea2 100644
--- a/Lib/test/decimaltestdata/ddMultiply.decTest
+++ b/Lib/test/decimaltestdata/ddMultiply.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This set of tests are for decDoubles only; all arguments are
 -- representable in a decDouble
@@ -454,9 +454,92 @@
 -- hugest
 ddmul909 multiply  9999999999999999 9999999999999999 -> 9.999999999999998E+31 Inexact Rounded
 
+-- power-of-ten edge cases
+ddmul1001 multiply  1      10               -> 10
+ddmul1002 multiply  1      100              -> 100
+ddmul1003 multiply  1      1000             -> 1000
+ddmul1004 multiply  1      10000            -> 10000
+ddmul1005 multiply  1      100000           -> 100000
+ddmul1006 multiply  1      1000000          -> 1000000
+ddmul1007 multiply  1      10000000         -> 10000000
+ddmul1008 multiply  1      100000000        -> 100000000
+ddmul1009 multiply  1      1000000000       -> 1000000000
+ddmul1010 multiply  1      10000000000      -> 10000000000
+ddmul1011 multiply  1      100000000000     -> 100000000000
+ddmul1012 multiply  1      1000000000000    -> 1000000000000
+ddmul1013 multiply  1      10000000000000   -> 10000000000000
+ddmul1014 multiply  1      100000000000000  -> 100000000000000
+ddmul1015 multiply  1      1000000000000000 -> 1000000000000000
+ddmul1021 multiply  10     1                -> 10
+ddmul1022 multiply  10     10               -> 100
+ddmul1023 multiply  10     100              -> 1000
+ddmul1024 multiply  10     1000             -> 10000
+ddmul1025 multiply  10     10000            -> 100000
+ddmul1026 multiply  10     100000           -> 1000000
+ddmul1027 multiply  10     1000000          -> 10000000
+ddmul1028 multiply  10     10000000         -> 100000000
+ddmul1029 multiply  10     100000000        -> 1000000000
+ddmul1030 multiply  10     1000000000       -> 10000000000
+ddmul1031 multiply  10     10000000000      -> 100000000000
+ddmul1032 multiply  10     100000000000     -> 1000000000000
+ddmul1033 multiply  10     1000000000000    -> 10000000000000
+ddmul1034 multiply  10     10000000000000   -> 100000000000000
+ddmul1035 multiply  10     100000000000000  -> 1000000000000000
+ddmul1041 multiply  100    0.1              -> 10.0
+ddmul1042 multiply  100    1                -> 100
+ddmul1043 multiply  100    10               -> 1000
+ddmul1044 multiply  100    100              -> 10000
+ddmul1045 multiply  100    1000             -> 100000
+ddmul1046 multiply  100    10000            -> 1000000
+ddmul1047 multiply  100    100000           -> 10000000
+ddmul1048 multiply  100    1000000          -> 100000000
+ddmul1049 multiply  100    10000000         -> 1000000000
+ddmul1050 multiply  100    100000000        -> 10000000000
+ddmul1051 multiply  100    1000000000       -> 100000000000
+ddmul1052 multiply  100    10000000000      -> 1000000000000
+ddmul1053 multiply  100    100000000000     -> 10000000000000
+ddmul1054 multiply  100    1000000000000    -> 100000000000000
+ddmul1055 multiply  100    10000000000000   -> 1000000000000000
+ddmul1061 multiply  1000   0.01             -> 10.00
+ddmul1062 multiply  1000   0.1              -> 100.0
+ddmul1063 multiply  1000   1                -> 1000
+ddmul1064 multiply  1000   10               -> 10000
+ddmul1065 multiply  1000   100              -> 100000
+ddmul1066 multiply  1000   1000             -> 1000000
+ddmul1067 multiply  1000   10000            -> 10000000
+ddmul1068 multiply  1000   100000           -> 100000000
+ddmul1069 multiply  1000   1000000          -> 1000000000
+ddmul1070 multiply  1000   10000000         -> 10000000000
+ddmul1071 multiply  1000   100000000        -> 100000000000
+ddmul1072 multiply  1000   1000000000       -> 1000000000000
+ddmul1073 multiply  1000   10000000000      -> 10000000000000
+ddmul1074 multiply  1000   100000000000     -> 100000000000000
+ddmul1075 multiply  1000   1000000000000    -> 1000000000000000
+ddmul1081 multiply  10000  0.001            -> 10.000
+ddmul1082 multiply  10000  0.01             -> 100.00
+ddmul1083 multiply  10000  0.1              -> 1000.0
+ddmul1084 multiply  10000  1                -> 10000
+ddmul1085 multiply  10000  10               -> 100000
+ddmul1086 multiply  10000  100              -> 1000000
+ddmul1087 multiply  10000  1000             -> 10000000
+ddmul1088 multiply  10000  10000            -> 100000000
+ddmul1089 multiply  10000  100000           -> 1000000000
+ddmul1090 multiply  10000  1000000          -> 10000000000
+ddmul1091 multiply  10000  10000000         -> 100000000000
+ddmul1092 multiply  10000  100000000        -> 1000000000000
+ddmul1093 multiply  10000  1000000000       -> 10000000000000
+ddmul1094 multiply  10000  10000000000      -> 100000000000000
+ddmul1095 multiply  10000  100000000000     -> 1000000000000000
+
+ddmul1097 multiply  10000   99999999999     ->  999999999990000
+ddmul1098 multiply  10000   99999999999     ->  999999999990000
+
+
+
+
 -- Null tests
-ddmul990 multiply 10  # -> NaN Invalid_operation
-ddmul991 multiply  # 10 -> NaN Invalid_operation
+ddmul9990 multiply 10  # -> NaN Invalid_operation
+ddmul9991 multiply  # 10 -> NaN Invalid_operation
 
 
 
diff --git a/Lib/test/decimaltestdata/ddNextMinus.decTest b/Lib/test/decimaltestdata/ddNextMinus.decTest
index 97c3b09..b9b0de5 100644
--- a/Lib/test/decimaltestdata/ddNextMinus.decTest
+++ b/Lib/test/decimaltestdata/ddNextMinus.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decDoubles.
 precision:   16
diff --git a/Lib/test/decimaltestdata/ddNextPlus.decTest b/Lib/test/decimaltestdata/ddNextPlus.decTest
index d01f3c3..2bb2641 100644
--- a/Lib/test/decimaltestdata/ddNextPlus.decTest
+++ b/Lib/test/decimaltestdata/ddNextPlus.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decDoubles.
 precision:   16
diff --git a/Lib/test/decimaltestdata/ddNextToward.decTest b/Lib/test/decimaltestdata/ddNextToward.decTest
index e00751b..80e4ac6 100644
--- a/Lib/test/decimaltestdata/ddNextToward.decTest
+++ b/Lib/test/decimaltestdata/ddNextToward.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decDoubles.
 precision:   16
diff --git a/Lib/test/decimaltestdata/ddOr.decTest b/Lib/test/decimaltestdata/ddOr.decTest
index 3a8cdd6..903ced0 100644
--- a/Lib/test/decimaltestdata/ddOr.decTest
+++ b/Lib/test/decimaltestdata/ddOr.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
diff --git a/Lib/test/decimaltestdata/ddPlus.decTest b/Lib/test/decimaltestdata/ddPlus.decTest
index 962a656..0a2b838 100644
--- a/Lib/test/decimaltestdata/ddPlus.decTest
+++ b/Lib/test/decimaltestdata/ddPlus.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decDoubles.
 precision:   16
diff --git a/Lib/test/decimaltestdata/ddQuantize.decTest b/Lib/test/decimaltestdata/ddQuantize.decTest
index 234db92..8cd5287 100644
--- a/Lib/test/decimaltestdata/ddQuantize.decTest
+++ b/Lib/test/decimaltestdata/ddQuantize.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Most of the tests here assume a "regular pattern", where the
 -- sign and coefficient are +1.
diff --git a/Lib/test/decimaltestdata/ddReduce.decTest b/Lib/test/decimaltestdata/ddReduce.decTest
index 71c82e1..545beeb 100644
--- a/Lib/test/decimaltestdata/ddReduce.decTest
+++ b/Lib/test/decimaltestdata/ddReduce.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
diff --git a/Lib/test/decimaltestdata/ddRemainder.decTest b/Lib/test/decimaltestdata/ddRemainder.decTest
index c7ea762..d805a48 100644
--- a/Lib/test/decimaltestdata/ddRemainder.decTest
+++ b/Lib/test/decimaltestdata/ddRemainder.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
@@ -581,6 +581,19 @@
 ddrem1057 remainder -1e-277  1e+311 -> -1E-277
 ddrem1058 remainder -1e-277 -1e+311 -> -1E-277
 
+-- destructive subtract
+ddrem1101 remainder  1234567890123456  1.000000000000001  ->  0.765432109876546
+ddrem1102 remainder  1234567890123456   1.00000000000001  ->   0.65432109876557
+ddrem1103 remainder  1234567890123456    1.0000000000001  ->    0.5432109876668
+ddrem1104 remainder  1234567890123455  4.000000000000001  ->  2.691358027469137
+ddrem1105 remainder  1234567890123456  4.000000000000001  ->  3.691358027469137
+ddrem1106 remainder  1234567890123456    4.9999999999999  ->    0.6913578024696
+ddrem1107 remainder  1234567890123456   4.99999999999999  ->   3.46913578024691
+ddrem1108 remainder  1234567890123456  4.999999999999999  ->  1.246913578024691
+ddrem1109 remainder  1234567890123456  5.000000000000001  ->  0.753086421975309
+ddrem1110 remainder  1234567890123456   5.00000000000001  ->   3.53086421975310
+ddrem1111 remainder  1234567890123456    5.0000000000001  ->    1.3086421975314
+
 -- Null tests
 ddrem1000 remainder 10  # -> NaN Invalid_operation
 ddrem1001 remainder  # 10 -> NaN Invalid_operation
diff --git a/Lib/test/decimaltestdata/ddRemainderNear.decTest b/Lib/test/decimaltestdata/ddRemainderNear.decTest
index 1f3bafd..dfcd3eb 100644
--- a/Lib/test/decimaltestdata/ddRemainderNear.decTest
+++ b/Lib/test/decimaltestdata/ddRemainderNear.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
@@ -599,6 +599,7 @@
 
 ddrmn980 remaindernear 123e1 1000E299 -> 1.23E+3  -- 123E+1 internally
 
+
 -- overflow and underflow tests [from divide]
 ddrmn1051 remaindernear  1e+277  1e-311 ->  NaN Division_impossible
 ddrmn1052 remaindernear  1e+277 -1e-311 ->  NaN Division_impossible
@@ -609,6 +610,19 @@
 ddrmn1057 remaindernear -1e-277  1e+311 -> -1E-277
 ddrmn1058 remaindernear -1e-277 -1e+311 -> -1E-277
 
+-- destructive subtract
+ddrmn1100 remainderNear  1234567890123456  1.000000000000001  ->  -0.234567890123455
+ddrmn1101 remainderNear  1234567890123456   1.00000000000001  ->   -0.34567890123444
+ddrmn1102 remainderNear  1234567890123456    1.0000000000001  ->    -0.4567890123333
+ddrmn1103 remainderNear  1234567890123455  4.000000000000001  ->  -1.308641972530864
+ddrmn1104 remainderNear  1234567890123456  4.000000000000001  ->  -0.308641972530864
+ddrmn1115 remainderNear  1234567890123456    4.9999999999999  ->     0.6913578024696
+ddrmn1116 remainderNear  1234567890123456   4.99999999999999  ->   -1.53086421975308
+ddrmn1117 remainderNear  1234567890123456  4.999999999999999  ->   1.246913578024691
+ddrmn1118 remainderNear  1234567890123456  5.000000000000001  ->   0.753086421975309
+ddrmn1119 remainderNear  1234567890123456   5.00000000000001  ->   -1.46913578024691
+ddrmn1110 remainderNear  1234567890123456    5.0000000000001  ->     1.3086421975314
+
 -- Null tests
 ddrmn1000 remaindernear 10  # -> NaN Invalid_operation
 ddrmn1001 remaindernear  # 10 -> NaN Invalid_operation
diff --git a/Lib/test/decimaltestdata/ddRotate.decTest b/Lib/test/decimaltestdata/ddRotate.decTest
index 473f2f6..e6294b3 100644
--- a/Lib/test/decimaltestdata/ddRotate.decTest
+++ b/Lib/test/decimaltestdata/ddRotate.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
diff --git a/Lib/test/decimaltestdata/ddSameQuantum.decTest b/Lib/test/decimaltestdata/ddSameQuantum.decTest
index a396cd1..6f7db15 100644
--- a/Lib/test/decimaltestdata/ddSameQuantum.decTest
+++ b/Lib/test/decimaltestdata/ddSameQuantum.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decDoubles.
 precision:   16
diff --git a/Lib/test/decimaltestdata/ddScaleB.decTest b/Lib/test/decimaltestdata/ddScaleB.decTest
index 4091f86..d0b92b5 100644
--- a/Lib/test/decimaltestdata/ddScaleB.decTest
+++ b/Lib/test/decimaltestdata/ddScaleB.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
diff --git a/Lib/test/decimaltestdata/ddShift.decTest b/Lib/test/decimaltestdata/ddShift.decTest
index 2cbe06a..f2e80b3 100644
--- a/Lib/test/decimaltestdata/ddShift.decTest
+++ b/Lib/test/decimaltestdata/ddShift.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
diff --git a/Lib/test/decimaltestdata/ddSubtract.decTest b/Lib/test/decimaltestdata/ddSubtract.decTest
index 89895e9..b10f5e4 100644
--- a/Lib/test/decimaltestdata/ddSubtract.decTest
+++ b/Lib/test/decimaltestdata/ddSubtract.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This set of tests are for decDoubles only; all arguments are
 -- representable in a decDouble
diff --git a/Lib/test/decimaltestdata/ddToIntegral.decTest b/Lib/test/decimaltestdata/ddToIntegral.decTest
index 1e3e573..438d347 100644
--- a/Lib/test/decimaltestdata/ddToIntegral.decTest
+++ b/Lib/test/decimaltestdata/ddToIntegral.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This set of tests tests the extended specification 'round-to-integral
 -- value-exact' operations (from IEEE 854, later modified in 754r).
diff --git a/Lib/test/decimaltestdata/ddXor.decTest b/Lib/test/decimaltestdata/ddXor.decTest
index 783fc2b..78e9750 100644
--- a/Lib/test/decimaltestdata/ddXor.decTest
+++ b/Lib/test/decimaltestdata/ddXor.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 precision:   16
 maxExponent: 384
diff --git a/Lib/test/decimaltestdata/decDouble.decTest b/Lib/test/decimaltestdata/decDouble.decTest
index d5205b7..bdbf678 100644
--- a/Lib/test/decimaltestdata/decDouble.decTest
+++ b/Lib/test/decimaltestdata/decDouble.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- decDouble tests
 dectest: ddAbs
diff --git a/Lib/test/decimaltestdata/decQuad.decTest b/Lib/test/decimaltestdata/decQuad.decTest
index 4d10069..e9ec663 100644
--- a/Lib/test/decimaltestdata/decQuad.decTest
+++ b/Lib/test/decimaltestdata/decQuad.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- decQuad tests
 dectest: dqAbs
diff --git a/Lib/test/decimaltestdata/decSingle.decTest b/Lib/test/decimaltestdata/decSingle.decTest
index c661fe4..aae9b37 100644
--- a/Lib/test/decimaltestdata/decSingle.decTest
+++ b/Lib/test/decimaltestdata/decSingle.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- decSingle tests
 dectest: dsBase
diff --git a/Lib/test/decimaltestdata/divide.decTest b/Lib/test/decimaltestdata/divide.decTest
index 1cb82b4..ae2bc08 100644
--- a/Lib/test/decimaltestdata/divide.decTest
+++ b/Lib/test/decimaltestdata/divide.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/divideint.decTest b/Lib/test/decimaltestdata/divideint.decTest
index dfa17ca..1c940f5 100644
--- a/Lib/test/decimaltestdata/divideint.decTest
+++ b/Lib/test/decimaltestdata/divideint.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/dqAbs.decTest b/Lib/test/decimaltestdata/dqAbs.decTest
index 01d1f30..df010ac 100644
--- a/Lib/test/decimaltestdata/dqAbs.decTest
+++ b/Lib/test/decimaltestdata/dqAbs.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
diff --git a/Lib/test/decimaltestdata/dqAdd.decTest b/Lib/test/decimaltestdata/dqAdd.decTest
index 72238d3..256bc98 100644
--- a/Lib/test/decimaltestdata/dqAdd.decTest
+++ b/Lib/test/decimaltestdata/dqAdd.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This set of tests are for decQuads only; all arguments are
 -- representable in a decQuad
diff --git a/Lib/test/decimaltestdata/dqAnd.decTest b/Lib/test/decimaltestdata/dqAnd.decTest
index be3fb34..e00d44d 100644
--- a/Lib/test/decimaltestdata/dqAnd.decTest
+++ b/Lib/test/decimaltestdata/dqAnd.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
diff --git a/Lib/test/decimaltestdata/dqBase.decTest b/Lib/test/decimaltestdata/dqBase.decTest
index 6cf2f7f..3f2569b 100644
--- a/Lib/test/decimaltestdata/dqBase.decTest
+++ b/Lib/test/decimaltestdata/dqBase.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This file tests base conversions from string to a decimal number
 -- and back to a string (in Scientific form)
diff --git a/Lib/test/decimaltestdata/dqCanonical.decTest b/Lib/test/decimaltestdata/dqCanonical.decTest
index a6b801a..e13c347 100644
--- a/Lib/test/decimaltestdata/dqCanonical.decTest
+++ b/Lib/test/decimaltestdata/dqCanonical.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This file tests that copy operations leave uncanonical operands
 -- unchanged, and vice versa
diff --git a/Lib/test/decimaltestdata/dqClass.decTest b/Lib/test/decimaltestdata/dqClass.decTest
index 185fbfc..a4703f7 100644
--- a/Lib/test/decimaltestdata/dqClass.decTest
+++ b/Lib/test/decimaltestdata/dqClass.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- [New 2006.11.27]
 
diff --git a/Lib/test/decimaltestdata/dqCompare.decTest b/Lib/test/decimaltestdata/dqCompare.decTest
index 8947280..7fccdf1 100644
--- a/Lib/test/decimaltestdata/dqCompare.decTest
+++ b/Lib/test/decimaltestdata/dqCompare.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Note that we cannot assume add/subtract tests cover paths adequately,
 -- here, because the code might be quite different (comparison cannot
diff --git a/Lib/test/decimaltestdata/dqCompareSig.decTest b/Lib/test/decimaltestdata/dqCompareSig.decTest
index 43833ea..36d5e9b 100644
--- a/Lib/test/decimaltestdata/dqCompareSig.decTest
+++ b/Lib/test/decimaltestdata/dqCompareSig.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Note that we cannot assume add/subtract tests cover paths adequately,
 -- here, because the code might be quite different (comparison cannot
diff --git a/Lib/test/decimaltestdata/dqCompareTotal.decTest b/Lib/test/decimaltestdata/dqCompareTotal.decTest
index d4a7c5a..f5cec06 100644
--- a/Lib/test/decimaltestdata/dqCompareTotal.decTest
+++ b/Lib/test/decimaltestdata/dqCompareTotal.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Note that we cannot assume add/subtract tests cover paths adequately,
 -- here, because the code might be quite different (comparison cannot
diff --git a/Lib/test/decimaltestdata/dqCompareTotalMag.decTest b/Lib/test/decimaltestdata/dqCompareTotalMag.decTest
index 9461d6b..76c1089 100644
--- a/Lib/test/decimaltestdata/dqCompareTotalMag.decTest
+++ b/Lib/test/decimaltestdata/dqCompareTotalMag.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Note that we cannot assume add/subtract tests cover paths adequately,
 -- here, because the code might be quite different (comparison cannot
diff --git a/Lib/test/decimaltestdata/dqCopy.decTest b/Lib/test/decimaltestdata/dqCopy.decTest
index b833776..b768801 100644
--- a/Lib/test/decimaltestdata/dqCopy.decTest
+++ b/Lib/test/decimaltestdata/dqCopy.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decQuads.
 extended:    1
diff --git a/Lib/test/decimaltestdata/dqCopyAbs.decTest b/Lib/test/decimaltestdata/dqCopyAbs.decTest
index 91f4a68..427e6dd 100644
--- a/Lib/test/decimaltestdata/dqCopyAbs.decTest
+++ b/Lib/test/decimaltestdata/dqCopyAbs.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decQuads.
 extended:    1
diff --git a/Lib/test/decimaltestdata/dqCopyNegate.decTest b/Lib/test/decimaltestdata/dqCopyNegate.decTest
index 22ac89c..34a6f3c 100644
--- a/Lib/test/decimaltestdata/dqCopyNegate.decTest
+++ b/Lib/test/decimaltestdata/dqCopyNegate.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decQuads.
 extended:    1
diff --git a/Lib/test/decimaltestdata/dqCopySign.decTest b/Lib/test/decimaltestdata/dqCopySign.decTest
index 8f275cd..902c937 100644
--- a/Lib/test/decimaltestdata/dqCopySign.decTest
+++ b/Lib/test/decimaltestdata/dqCopySign.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decQuads.
 extended:    1
diff --git a/Lib/test/decimaltestdata/dqDivide.decTest b/Lib/test/decimaltestdata/dqDivide.decTest
index a84e1d0..1ea6d31 100644
--- a/Lib/test/decimaltestdata/dqDivide.decTest
+++ b/Lib/test/decimaltestdata/dqDivide.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
diff --git a/Lib/test/decimaltestdata/dqDivideInt.decTest b/Lib/test/decimaltestdata/dqDivideInt.decTest
index 953c1e0..b5eec63 100644
--- a/Lib/test/decimaltestdata/dqDivideInt.decTest
+++ b/Lib/test/decimaltestdata/dqDivideInt.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
diff --git a/Lib/test/decimaltestdata/dqEncode.decTest b/Lib/test/decimaltestdata/dqEncode.decTest
index ed3f328..fcb512b 100644
--- a/Lib/test/decimaltestdata/dqEncode.decTest
+++ b/Lib/test/decimaltestdata/dqEncode.decTest
@@ -18,7 +18,7 @@
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
 -- [Previously called decimal128.decTest]
-version: 2.56
+version: 2.57
 
 -- This set of tests is for the sixteen-byte concrete representation.
 -- Its characteristics are:
@@ -468,3 +468,10 @@
 decq829 apply  #22080000000000000000000115afb55b ->  4294967295
 decq830 apply  #22080000000000000000000115afb57a ->  4294967296
 decq831 apply  #22080000000000000000000115afb57b ->  4294967297
+
+-- VG testcase
+decq840 apply    #2080000000000000F294000000172636 -> 8.81125000000001349436E-1548
+decq841 apply    #20800000000000008000000000000000 -> 8.000000000000000000E-1550
+decq842 apply    #1EF98490000000010F6E4E0000000000 -> 7.049000000000010795488000000000000E-3097
+decq843 multiply #20800000000000008000000000000000 #2080000000000000F294000000172636 -> #1EF98490000000010F6E4E0000000000 Rounded
+
diff --git a/Lib/test/decimaltestdata/dqFMA.decTest b/Lib/test/decimaltestdata/dqFMA.decTest
index 37d7749..f68fdf9 100644
--- a/Lib/test/decimaltestdata/dqFMA.decTest
+++ b/Lib/test/decimaltestdata/dqFMA.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
@@ -1754,6 +1754,31 @@
 dqadd375088 fma  1  12398765432112345678945678 1E-34                   -> 12398765432112345678945678.00000001 Inexact Rounded
 dqadd375089 fma  1  12398765432112345678945678 1E-35                   -> 12398765432112345678945678.00000001 Inexact Rounded
 
+-- Destructive subtract (from remainder tests)
+
+-- +++ some of these will be off-by-one remainder vs remainderNear
+
+dqfma4000  fma  -1234567890123456789012345678901233   1.000000000000000000000000000000001    1234567890123456789012345678901234  ->  -0.234567890123456789012345678901233
+dqfma4001  fma  -1234567890123456789012345678901222    1.00000000000000000000000000000001    1234567890123456789012345678901234  ->  -0.34567890123456789012345678901222
+dqfma4002  fma  -1234567890123456789012345678901111     1.0000000000000000000000000000001    1234567890123456789012345678901234  ->  -0.4567890123456789012345678901111
+dqfma4003  fma   -308641972530864197253086419725314   4.000000000000000000000000000000001    1234567890123456789012345678901255  ->  -1.308641972530864197253086419725314
+dqfma4004  fma   -308641972530864197253086419725308   4.000000000000000000000000000000001    1234567890123456789012345678901234  ->  1.691358027469135802746913580274692
+dqfma4005  fma   -246913578024691357802469135780252     4.9999999999999999999999999999999    1234567890123456789012345678901234  ->  -1.3086421975308642197530864219748
+dqfma4006  fma   -246913578024691357802469135780247    4.99999999999999999999999999999999    1234567890123456789012345678901234  ->  1.46913578024691357802469135780247
+dqfma4007  fma   -246913578024691357802469135780247   4.999999999999999999999999999999999    1234567890123456789012345678901234  ->  -0.753086421975308642197530864219753
+dqfma4008  fma   -246913578024691357802469135780247   5.000000000000000000000000000000001    1234567890123456789012345678901234  ->  -1.246913578024691357802469135780247
+dqfma4009  fma   -246913578024691357802469135780246    5.00000000000000000000000000000001    1234567890123456789012345678901234  ->  1.53086421975308642197530864219754
+dqfma4010  fma   -246913578024691357802469135780242     5.0000000000000000000000000000001    1234567890123456789012345678901234  ->  -0.6913578024691357802469135780242
+dqfma4011  fma  -1234567890123456789012345678901232   1.000000000000000000000000000000001    1234567890123456789012345678901234  ->  0.765432109876543210987654321098768
+dqfma4012  fma  -1234567890123456789012345678901221    1.00000000000000000000000000000001    1234567890123456789012345678901234  ->  0.65432109876543210987654321098779
+dqfma4013  fma  -1234567890123456789012345678901110     1.0000000000000000000000000000001    1234567890123456789012345678901234  ->  0.5432109876543210987654321098890
+dqfma4014  fma   -308641972530864197253086419725313   4.000000000000000000000000000000001    1234567890123456789012345678901255  ->  2.691358027469135802746913580274687
+dqfma4015  fma   -308641972530864197253086419725308   4.000000000000000000000000000000001    1234567890123456789012345678901234  ->  1.691358027469135802746913580274692
+dqfma4016  fma   -246913578024691357802469135780251     4.9999999999999999999999999999999    1234567890123456789012345678901234  ->  3.6913578024691357802469135780251
+dqfma4017  fma   -246913578024691357802469135780247    4.99999999999999999999999999999999    1234567890123456789012345678901234  ->  1.46913578024691357802469135780247
+dqfma4018  fma   -246913578024691357802469135780246   4.999999999999999999999999999999999    1234567890123456789012345678901234  ->  4.246913578024691357802469135780246
+dqfma4019  fma   -246913578024691357802469135780241     5.0000000000000000000000000000001    1234567890123456789012345678901234  ->  4.3086421975308642197530864219759
+
 -- Null tests
 dqadd39990 fma  1  10  # -> NaN Invalid_operation
 dqadd39991 fma  1   # 10 -> NaN Invalid_operation
diff --git a/Lib/test/decimaltestdata/dqInvert.decTest b/Lib/test/decimaltestdata/dqInvert.decTest
index 94ba93c..19161c2 100644
--- a/Lib/test/decimaltestdata/dqInvert.decTest
+++ b/Lib/test/decimaltestdata/dqInvert.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
diff --git a/Lib/test/decimaltestdata/dqLogB.decTest b/Lib/test/decimaltestdata/dqLogB.decTest
index baa6d1e..d6cf831 100644
--- a/Lib/test/decimaltestdata/dqLogB.decTest
+++ b/Lib/test/decimaltestdata/dqLogB.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
diff --git a/Lib/test/decimaltestdata/dqMax.decTest b/Lib/test/decimaltestdata/dqMax.decTest
index a00ec1c..a3ba64c 100644
--- a/Lib/test/decimaltestdata/dqMax.decTest
+++ b/Lib/test/decimaltestdata/dqMax.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- we assume that base comparison is tested in compare.decTest, so
 -- these mainly cover special cases and rounding
diff --git a/Lib/test/decimaltestdata/dqMaxMag.decTest b/Lib/test/decimaltestdata/dqMaxMag.decTest
index 53eb82c..01b2793 100644
--- a/Lib/test/decimaltestdata/dqMaxMag.decTest
+++ b/Lib/test/decimaltestdata/dqMaxMag.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- we assume that base comparison is tested in compare.decTest, so
 -- these mainly cover special cases and rounding
diff --git a/Lib/test/decimaltestdata/dqMin.decTest b/Lib/test/decimaltestdata/dqMin.decTest
index 9e34694..1b82be2 100644
--- a/Lib/test/decimaltestdata/dqMin.decTest
+++ b/Lib/test/decimaltestdata/dqMin.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- we assume that base comparison is tested in compare.decTest, so
 -- these mainly cover special cases and rounding
diff --git a/Lib/test/decimaltestdata/dqMinMag.decTest b/Lib/test/decimaltestdata/dqMinMag.decTest
index 733acfd..6d5e4b5 100644
--- a/Lib/test/decimaltestdata/dqMinMag.decTest
+++ b/Lib/test/decimaltestdata/dqMinMag.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- we assume that base comparison is tested in compare.decTest, so
 -- these mainly cover special cases and rounding
diff --git a/Lib/test/decimaltestdata/dqMinus.decTest b/Lib/test/decimaltestdata/dqMinus.decTest
index 50ac85a..bf69938 100644
--- a/Lib/test/decimaltestdata/dqMinus.decTest
+++ b/Lib/test/decimaltestdata/dqMinus.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decQuads.
 extended:    1
diff --git a/Lib/test/decimaltestdata/dqMultiply.decTest b/Lib/test/decimaltestdata/dqMultiply.decTest
index a6f85e0..c87cc8f 100644
--- a/Lib/test/decimaltestdata/dqMultiply.decTest
+++ b/Lib/test/decimaltestdata/dqMultiply.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This set of tests are for decQuads only; all arguments are
 -- representable in a decQuad
@@ -456,18 +456,134 @@
 
 -- hugest
 dqmul909 multiply 9999999999999999999999999999999999 9999999999999999999999999999999999 -> 9.999999999999999999999999999999998E+67 Inexact Rounded
+-- VG case
+dqmul910 multiply 8.81125000000001349436E-1548 8.000000000000000000E-1550 -> 7.049000000000010795488000000000000E-3097 Rounded
 
 -- Examples from SQL proposal (Krishna Kulkarni)
 precision:   34
 rounding:    half_up
 maxExponent: 6144
 minExponent: -6143
-dqmul1001  multiply 130E-2  120E-2 -> 1.5600
-dqmul1002  multiply 130E-2  12E-1  -> 1.560
-dqmul1003  multiply 130E-2  1E0    -> 1.30
-dqmul1004  multiply 1E2     1E4    -> 1E+6
+dqmul911  multiply 130E-2  120E-2 -> 1.5600
+dqmul912  multiply 130E-2  12E-1  -> 1.560
+dqmul913  multiply 130E-2  1E0    -> 1.30
+dqmul914  multiply 1E2     1E4    -> 1E+6
+
+-- power-of-ten edge cases
+dqmul1001 multiply  1      10               -> 10
+dqmul1002 multiply  1      100              -> 100
+dqmul1003 multiply  1      1000             -> 1000
+dqmul1004 multiply  1      10000            -> 10000
+dqmul1005 multiply  1      100000           -> 100000
+dqmul1006 multiply  1      1000000          -> 1000000
+dqmul1007 multiply  1      10000000         -> 10000000
+dqmul1008 multiply  1      100000000        -> 100000000
+dqmul1009 multiply  1      1000000000       -> 1000000000
+dqmul1010 multiply  1      10000000000      -> 10000000000
+dqmul1011 multiply  1      100000000000     -> 100000000000
+dqmul1012 multiply  1      1000000000000    -> 1000000000000
+dqmul1013 multiply  1      10000000000000   -> 10000000000000
+dqmul1014 multiply  1      100000000000000  -> 100000000000000
+dqmul1015 multiply  1      1000000000000000 -> 1000000000000000
+
+dqmul1016 multiply  1      1000000000000000000 -> 1000000000000000000
+dqmul1017 multiply  1      100000000000000000000000000 -> 100000000000000000000000000
+dqmul1018 multiply  1      1000000000000000000000000000 -> 1000000000000000000000000000
+dqmul1019 multiply  1      10000000000000000000000000000 -> 10000000000000000000000000000
+dqmul1020 multiply  1      1000000000000000000000000000000000 -> 1000000000000000000000000000000000
+
+dqmul1021 multiply  10     1                -> 10
+dqmul1022 multiply  10     10               -> 100
+dqmul1023 multiply  10     100              -> 1000
+dqmul1024 multiply  10     1000             -> 10000
+dqmul1025 multiply  10     10000            -> 100000
+dqmul1026 multiply  10     100000           -> 1000000
+dqmul1027 multiply  10     1000000          -> 10000000
+dqmul1028 multiply  10     10000000         -> 100000000
+dqmul1029 multiply  10     100000000        -> 1000000000
+dqmul1030 multiply  10     1000000000       -> 10000000000
+dqmul1031 multiply  10     10000000000      -> 100000000000
+dqmul1032 multiply  10     100000000000     -> 1000000000000
+dqmul1033 multiply  10     1000000000000    -> 10000000000000
+dqmul1034 multiply  10     10000000000000   -> 100000000000000
+dqmul1035 multiply  10     100000000000000  -> 1000000000000000
+
+dqmul1036 multiply  10     100000000000000000 -> 1000000000000000000
+dqmul1037 multiply  10     10000000000000000000000000 -> 100000000000000000000000000
+dqmul1038 multiply  10     100000000000000000000000000 -> 1000000000000000000000000000
+dqmul1039 multiply  10     1000000000000000000000000000 -> 10000000000000000000000000000
+dqmul1040 multiply  10     100000000000000000000000000000000 -> 1000000000000000000000000000000000
+
+dqmul1041 multiply  100    0.1              -> 10.0
+dqmul1042 multiply  100    1                -> 100
+dqmul1043 multiply  100    10               -> 1000
+dqmul1044 multiply  100    100              -> 10000
+dqmul1045 multiply  100    1000             -> 100000
+dqmul1046 multiply  100    10000            -> 1000000
+dqmul1047 multiply  100    100000           -> 10000000
+dqmul1048 multiply  100    1000000          -> 100000000
+dqmul1049 multiply  100    10000000         -> 1000000000
+dqmul1050 multiply  100    100000000        -> 10000000000
+dqmul1051 multiply  100    1000000000       -> 100000000000
+dqmul1052 multiply  100    10000000000      -> 1000000000000
+dqmul1053 multiply  100    100000000000     -> 10000000000000
+dqmul1054 multiply  100    1000000000000    -> 100000000000000
+dqmul1055 multiply  100    10000000000000   -> 1000000000000000
+
+dqmul1056 multiply  100    10000000000000000 -> 1000000000000000000
+dqmul1057 multiply  100    1000000000000000000000000 -> 100000000000000000000000000
+dqmul1058 multiply  100    10000000000000000000000000 -> 1000000000000000000000000000
+dqmul1059 multiply  100    100000000000000000000000000 -> 10000000000000000000000000000
+dqmul1060 multiply  100    10000000000000000000000000000000 -> 1000000000000000000000000000000000
+
+dqmul1061 multiply  1000   0.01             -> 10.00
+dqmul1062 multiply  1000   0.1              -> 100.0
+dqmul1063 multiply  1000   1                -> 1000
+dqmul1064 multiply  1000   10               -> 10000
+dqmul1065 multiply  1000   100              -> 100000
+dqmul1066 multiply  1000   1000             -> 1000000
+dqmul1067 multiply  1000   10000            -> 10000000
+dqmul1068 multiply  1000   100000           -> 100000000
+dqmul1069 multiply  1000   1000000          -> 1000000000
+dqmul1070 multiply  1000   10000000         -> 10000000000
+dqmul1071 multiply  1000   100000000        -> 100000000000
+dqmul1072 multiply  1000   1000000000       -> 1000000000000
+dqmul1073 multiply  1000   10000000000      -> 10000000000000
+dqmul1074 multiply  1000   100000000000     -> 100000000000000
+dqmul1075 multiply  1000   1000000000000    -> 1000000000000000
+
+dqmul1076 multiply  1000   1000000000000000 -> 1000000000000000000
+dqmul1077 multiply  1000   100000000000000000000000 -> 100000000000000000000000000
+dqmul1078 multiply  1000   1000000000000000000000000 -> 1000000000000000000000000000
+dqmul1079 multiply  1000   10000000000000000000000000 -> 10000000000000000000000000000
+dqmul1080 multiply  1000   1000000000000000000000000000000 -> 1000000000000000000000000000000000
+
+dqmul1081 multiply  10000  0.001            -> 10.000
+dqmul1082 multiply  10000  0.01             -> 100.00
+dqmul1083 multiply  10000  0.1              -> 1000.0
+dqmul1084 multiply  10000  1                -> 10000
+dqmul1085 multiply  10000  10               -> 100000
+dqmul1086 multiply  10000  100              -> 1000000
+dqmul1087 multiply  10000  1000             -> 10000000
+dqmul1088 multiply  10000  10000            -> 100000000
+dqmul1089 multiply  10000  100000           -> 1000000000
+dqmul1090 multiply  10000  1000000          -> 10000000000
+dqmul1091 multiply  10000  10000000         -> 100000000000
+dqmul1092 multiply  10000  100000000        -> 1000000000000
+dqmul1093 multiply  10000  1000000000       -> 10000000000000
+dqmul1094 multiply  10000  10000000000      -> 100000000000000
+dqmul1095 multiply  10000  100000000000     -> 1000000000000000
+
+dqmul1096 multiply  10000  100000000000000 -> 1000000000000000000
+dqmul1097 multiply  10000  10000000000000000000000 -> 100000000000000000000000000
+dqmul1098 multiply  10000  100000000000000000000000 -> 1000000000000000000000000000
+dqmul1099 multiply  10000  1000000000000000000000000 -> 10000000000000000000000000000
+dqmul1100 multiply  10000  100000000000000000000000000000 -> 1000000000000000000000000000000000
+
+dqmul1107 multiply  10000   99999999999     ->  999999999990000
+dqmul1108 multiply  10000   99999999999     ->  999999999990000
 
 -- Null tests
-dqmul990 multiply 10  # -> NaN Invalid_operation
-dqmul991 multiply  # 10 -> NaN Invalid_operation
+dqmul9990 multiply 10  # -> NaN Invalid_operation
+dqmul9991 multiply  # 10 -> NaN Invalid_operation
 
diff --git a/Lib/test/decimaltestdata/dqNextMinus.decTest b/Lib/test/decimaltestdata/dqNextMinus.decTest
index 4880816..e1e3b06 100644
--- a/Lib/test/decimaltestdata/dqNextMinus.decTest
+++ b/Lib/test/decimaltestdata/dqNextMinus.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decQuads.
 extended:    1
diff --git a/Lib/test/decimaltestdata/dqNextPlus.decTest b/Lib/test/decimaltestdata/dqNextPlus.decTest
index 8c0ac45..973c8eb 100644
--- a/Lib/test/decimaltestdata/dqNextPlus.decTest
+++ b/Lib/test/decimaltestdata/dqNextPlus.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decQuads.
 extended:    1
diff --git a/Lib/test/decimaltestdata/dqNextToward.decTest b/Lib/test/decimaltestdata/dqNextToward.decTest
index e534951..0eb6770 100644
--- a/Lib/test/decimaltestdata/dqNextToward.decTest
+++ b/Lib/test/decimaltestdata/dqNextToward.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decQuads.
 extended:    1
diff --git a/Lib/test/decimaltestdata/dqOr.decTest b/Lib/test/decimaltestdata/dqOr.decTest
index 60470ea..093edcb 100644
--- a/Lib/test/decimaltestdata/dqOr.decTest
+++ b/Lib/test/decimaltestdata/dqOr.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
diff --git a/Lib/test/decimaltestdata/dqPlus.decTest b/Lib/test/decimaltestdata/dqPlus.decTest
index 5dc5a68..ad5b7be 100644
--- a/Lib/test/decimaltestdata/dqPlus.decTest
+++ b/Lib/test/decimaltestdata/dqPlus.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decQuads.
 extended:    1
diff --git a/Lib/test/decimaltestdata/dqQuantize.decTest b/Lib/test/decimaltestdata/dqQuantize.decTest
index aa8cf2e..4c3e1ea 100644
--- a/Lib/test/decimaltestdata/dqQuantize.decTest
+++ b/Lib/test/decimaltestdata/dqQuantize.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Most of the tests here assume a "regular pattern", where the
 -- sign and coefficient are +1.
diff --git a/Lib/test/decimaltestdata/dqReduce.decTest b/Lib/test/decimaltestdata/dqReduce.decTest
index 183e9dc..c069040 100644
--- a/Lib/test/decimaltestdata/dqReduce.decTest
+++ b/Lib/test/decimaltestdata/dqReduce.decTest
@@ -18,7 +18,7 @@
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
 
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
diff --git a/Lib/test/decimaltestdata/dqRemainder.decTest b/Lib/test/decimaltestdata/dqRemainder.decTest
index e30fde7..14c358c 100644
--- a/Lib/test/decimaltestdata/dqRemainder.decTest
+++ b/Lib/test/decimaltestdata/dqRemainder.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
@@ -580,6 +580,17 @@
 -- Gyuris example
 dqrem1070 remainder 8.336804418094040989630006819881709E-6143 8.336804418094040989630006819889000E-6143 -> 8.336804418094040989630006819881709E-6143
 
+-- destructive subtract
+dqrem1120  remainder  1234567890123456789012345678901234  1.000000000000000000000000000000001  ->  0.765432109876543210987654321098768
+dqrem1121  remainder  1234567890123456789012345678901234   1.00000000000000000000000000000001  ->   0.65432109876543210987654321098779
+dqrem1122  remainder  1234567890123456789012345678901234    1.0000000000000000000000000000001  ->    0.5432109876543210987654321098890
+dqrem1123  remainder  1234567890123456789012345678901255  4.000000000000000000000000000000001  ->  2.691358027469135802746913580274687
+dqrem1124  remainder  1234567890123456789012345678901234  4.000000000000000000000000000000001  ->  1.691358027469135802746913580274692
+dqrem1125  remainder  1234567890123456789012345678901234    4.9999999999999999999999999999999  ->    3.6913578024691357802469135780251
+dqrem1126  remainder  1234567890123456789012345678901234   4.99999999999999999999999999999999  ->   1.46913578024691357802469135780247
+dqrem1127  remainder  1234567890123456789012345678901234  4.999999999999999999999999999999999  ->  4.246913578024691357802469135780246
+dqrem1128  remainder  1234567890123456789012345678901234    5.0000000000000000000000000000001  ->    4.3086421975308642197530864219759
+
 -- Null tests
 dqrem1000 remainder 10  # -> NaN Invalid_operation
 dqrem1001 remainder  # 10 -> NaN Invalid_operation
diff --git a/Lib/test/decimaltestdata/dqRemainderNear.decTest b/Lib/test/decimaltestdata/dqRemainderNear.decTest
index b62b79f..9074ec4 100644
--- a/Lib/test/decimaltestdata/dqRemainderNear.decTest
+++ b/Lib/test/decimaltestdata/dqRemainderNear.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
@@ -612,6 +612,19 @@
 -- Gyuris example
 dqrmn1070 remainder 8.336804418094040989630006819881709E-6143 8.336804418094040989630006819889000E-6143 -> 8.336804418094040989630006819881709E-6143
 
+-- destructive subtract
+dqrmn1101  remaindernear  1234567890123456789012345678901234  1.000000000000000000000000000000001  ->  -0.234567890123456789012345678901233
+dqrmn1102  remaindernear  1234567890123456789012345678901234   1.00000000000000000000000000000001  ->   -0.34567890123456789012345678901222
+dqrmn1103  remaindernear  1234567890123456789012345678901234    1.0000000000000000000000000000001  ->    -0.4567890123456789012345678901111
+dqrmn1104  remaindernear  1234567890123456789012345678901255  4.000000000000000000000000000000001  ->  -1.308641972530864197253086419725314
+dqrmn1105  remaindernear  1234567890123456789012345678901234  4.000000000000000000000000000000001  ->   1.691358027469135802746913580274692
+dqrmn1106  remaindernear  1234567890123456789012345678901234    4.9999999999999999999999999999999  ->    -1.3086421975308642197530864219748
+dqrmn1107  remaindernear  1234567890123456789012345678901234   4.99999999999999999999999999999999  ->    1.46913578024691357802469135780247
+dqrmn1108  remaindernear  1234567890123456789012345678901234  4.999999999999999999999999999999999  ->  -0.753086421975308642197530864219753
+dqrmn1109  remaindernear  1234567890123456789012345678901234  5.000000000000000000000000000000001  ->  -1.246913578024691357802469135780247
+dqrmn1110  remaindernear  1234567890123456789012345678901234   5.00000000000000000000000000000001  ->    1.53086421975308642197530864219754
+dqrmn1111  remaindernear  1234567890123456789012345678901234    5.0000000000000000000000000000001  ->    -0.6913578024691357802469135780242
+
 -- Null tests
 dqrmn1000 remaindernear 10  # -> NaN Invalid_operation
 dqrmn1001 remaindernear  # 10 -> NaN Invalid_operation
diff --git a/Lib/test/decimaltestdata/dqRotate.decTest b/Lib/test/decimaltestdata/dqRotate.decTest
index f21813c..671cd95 100644
--- a/Lib/test/decimaltestdata/dqRotate.decTest
+++ b/Lib/test/decimaltestdata/dqRotate.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
diff --git a/Lib/test/decimaltestdata/dqSameQuantum.decTest b/Lib/test/decimaltestdata/dqSameQuantum.decTest
index e7264cb..acf7266 100644
--- a/Lib/test/decimaltestdata/dqSameQuantum.decTest
+++ b/Lib/test/decimaltestdata/dqSameQuantum.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- All operands and results are decQuads.
 extended:    1
diff --git a/Lib/test/decimaltestdata/dqScaleB.decTest b/Lib/test/decimaltestdata/dqScaleB.decTest
index 88a3f9d..7355cf0 100644
--- a/Lib/test/decimaltestdata/dqScaleB.decTest
+++ b/Lib/test/decimaltestdata/dqScaleB.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
diff --git a/Lib/test/decimaltestdata/dqShift.decTest b/Lib/test/decimaltestdata/dqShift.decTest
index e728ec5..33df91f 100644
--- a/Lib/test/decimaltestdata/dqShift.decTest
+++ b/Lib/test/decimaltestdata/dqShift.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
diff --git a/Lib/test/decimaltestdata/dqSubtract.decTest b/Lib/test/decimaltestdata/dqSubtract.decTest
index 923742c..d2df184 100644
--- a/Lib/test/decimaltestdata/dqSubtract.decTest
+++ b/Lib/test/decimaltestdata/dqSubtract.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This set of tests are for decQuads only; all arguments are
 -- representable in a decQuad
diff --git a/Lib/test/decimaltestdata/dqToIntegral.decTest b/Lib/test/decimaltestdata/dqToIntegral.decTest
index ac50a4a..449dead 100644
--- a/Lib/test/decimaltestdata/dqToIntegral.decTest
+++ b/Lib/test/decimaltestdata/dqToIntegral.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This set of tests tests the extended specification 'round-to-integral
 -- value-exact' operations (from IEEE 854, later modified in 754r).
diff --git a/Lib/test/decimaltestdata/dqXor.decTest b/Lib/test/decimaltestdata/dqXor.decTest
index 61bdbe2..d9e9af6 100644
--- a/Lib/test/decimaltestdata/dqXor.decTest
+++ b/Lib/test/decimaltestdata/dqXor.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 clamp:       1
diff --git a/Lib/test/decimaltestdata/dsBase.decTest b/Lib/test/decimaltestdata/dsBase.decTest
index d0632fd..e2fb4ba 100644
--- a/Lib/test/decimaltestdata/dsBase.decTest
+++ b/Lib/test/decimaltestdata/dsBase.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This file tests base conversions from string to a decimal number
 -- and back to a string (in Scientific form)
@@ -1058,4 +1058,5 @@
 dsbas1107 toSci +1E-383 ->  0E-101 Inexact Rounded Subnormal Underflow Clamped
 dsbas1108 toSci +9.999999999999999E+384 ->  Infinity Overflow Inexact Rounded
 
-
+-- narrowing case
+dsbas1110 toSci 2.000000000000000E-99 -> 2.00E-99 Rounded Subnormal
diff --git a/Lib/test/decimaltestdata/dsEncode.decTest b/Lib/test/decimaltestdata/dsEncode.decTest
index 185ddc7..7e72d4b 100644
--- a/Lib/test/decimaltestdata/dsEncode.decTest
+++ b/Lib/test/decimaltestdata/dsEncode.decTest
@@ -18,7 +18,7 @@
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
 -- [Previously called decimal32.decTest]
-version: 2.56
+version: 2.57
 
 -- This set of tests is for the four-byte concrete representation.
 -- Its characteristics are:
@@ -367,3 +367,6 @@
 decs786 apply   #225002ff       -> 999
 decs787 apply   #225003ff       -> 999
 
+-- narrowing case
+decs790 apply 2.00E-99 -> #00000100 Subnormal
+decs791 apply #00000100 -> 2.00E-99 Subnormal
diff --git a/Lib/test/decimaltestdata/exp.decTest b/Lib/test/decimaltestdata/exp.decTest
index c07ed5a..97256e4 100644
--- a/Lib/test/decimaltestdata/exp.decTest
+++ b/Lib/test/decimaltestdata/exp.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Tests of the exponential funtion.  Currently all testcases here
 -- show results which are correctly rounded (within <= 0.5 ulp).
diff --git a/Lib/test/decimaltestdata/fma.decTest b/Lib/test/decimaltestdata/fma.decTest
index aa4c0ba..d7caa26 100644
--- a/Lib/test/decimaltestdata/fma.decTest
+++ b/Lib/test/decimaltestdata/fma.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/inexact.decTest b/Lib/test/decimaltestdata/inexact.decTest
index b61c85a..896e6c8 100644
--- a/Lib/test/decimaltestdata/inexact.decTest
+++ b/Lib/test/decimaltestdata/inexact.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/invert.decTest b/Lib/test/decimaltestdata/invert.decTest
index 19fdeeb..7bccb1f 100644
--- a/Lib/test/decimaltestdata/invert.decTest
+++ b/Lib/test/decimaltestdata/invert.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/ln.decTest b/Lib/test/decimaltestdata/ln.decTest
index 44ae4d2..16e247e 100644
--- a/Lib/test/decimaltestdata/ln.decTest
+++ b/Lib/test/decimaltestdata/ln.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   16
diff --git a/Lib/test/decimaltestdata/log10.decTest b/Lib/test/decimaltestdata/log10.decTest
index 9841acb..bb033a8 100644
--- a/Lib/test/decimaltestdata/log10.decTest
+++ b/Lib/test/decimaltestdata/log10.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This emphasises the testing of notable cases, as they will often
 -- have unusual paths (especially the 10**n results).
diff --git a/Lib/test/decimaltestdata/logb.decTest b/Lib/test/decimaltestdata/logb.decTest
index 577f7a4..a672206 100644
--- a/Lib/test/decimaltestdata/logb.decTest
+++ b/Lib/test/decimaltestdata/logb.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This emphasises the testing of notable cases, as they will often
 -- have unusual paths (especially the 10**n results).
diff --git a/Lib/test/decimaltestdata/max.decTest b/Lib/test/decimaltestdata/max.decTest
index 88d0b5e..d7a6a94 100644
--- a/Lib/test/decimaltestdata/max.decTest
+++ b/Lib/test/decimaltestdata/max.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- we assume that base comparison is tested in compare.decTest, so
 -- these mainly cover special cases and rounding
diff --git a/Lib/test/decimaltestdata/maxmag.decTest b/Lib/test/decimaltestdata/maxmag.decTest
index b14d015..0129766 100644
--- a/Lib/test/decimaltestdata/maxmag.decTest
+++ b/Lib/test/decimaltestdata/maxmag.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- we assume that base comparison is tested in compare.decTest, so
 -- these mainly cover special cases and rounding
diff --git a/Lib/test/decimaltestdata/min.decTest b/Lib/test/decimaltestdata/min.decTest
index 345e3eb..b695079 100644
--- a/Lib/test/decimaltestdata/min.decTest
+++ b/Lib/test/decimaltestdata/min.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- we assume that base comparison is tested in compare.decTest, so
 -- these mainly cover special cases and rounding
diff --git a/Lib/test/decimaltestdata/minmag.decTest b/Lib/test/decimaltestdata/minmag.decTest
index fa9d927..547ccff 100644
--- a/Lib/test/decimaltestdata/minmag.decTest
+++ b/Lib/test/decimaltestdata/minmag.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- we assume that base comparison is tested in compare.decTest, so
 -- these mainly cover special cases and rounding
diff --git a/Lib/test/decimaltestdata/minus.decTest b/Lib/test/decimaltestdata/minus.decTest
index e9afc3a..f911286 100644
--- a/Lib/test/decimaltestdata/minus.decTest
+++ b/Lib/test/decimaltestdata/minus.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This set of tests primarily tests the existence of the operator.
 -- Subtraction, rounding, and more overflows are tested elsewhere.
diff --git a/Lib/test/decimaltestdata/multiply.decTest b/Lib/test/decimaltestdata/multiply.decTest
index 71f591a..a6c7ebe 100644
--- a/Lib/test/decimaltestdata/multiply.decTest
+++ b/Lib/test/decimaltestdata/multiply.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/nextminus.decTest b/Lib/test/decimaltestdata/nextminus.decTest
index 200580d..be33158 100644
--- a/Lib/test/decimaltestdata/nextminus.decTest
+++ b/Lib/test/decimaltestdata/nextminus.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/nextplus.decTest b/Lib/test/decimaltestdata/nextplus.decTest
index 01815ee..6cee16a 100644
--- a/Lib/test/decimaltestdata/nextplus.decTest
+++ b/Lib/test/decimaltestdata/nextplus.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/nexttoward.decTest b/Lib/test/decimaltestdata/nexttoward.decTest
index cb60f57..aa1891a 100644
--- a/Lib/test/decimaltestdata/nexttoward.decTest
+++ b/Lib/test/decimaltestdata/nexttoward.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/or.decTest b/Lib/test/decimaltestdata/or.decTest
index 928939e..ace901b 100644
--- a/Lib/test/decimaltestdata/or.decTest
+++ b/Lib/test/decimaltestdata/or.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/plus.decTest b/Lib/test/decimaltestdata/plus.decTest
index 9af4c0e..1df3dfe 100644
--- a/Lib/test/decimaltestdata/plus.decTest
+++ b/Lib/test/decimaltestdata/plus.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This set of tests primarily tests the existence of the operator.
 -- Addition and rounding, and most overflows, are tested elsewhere.
diff --git a/Lib/test/decimaltestdata/power.decTest b/Lib/test/decimaltestdata/power.decTest
index 78c1e07..69e8644 100644
--- a/Lib/test/decimaltestdata/power.decTest
+++ b/Lib/test/decimaltestdata/power.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- In addition to the power operator testcases here, see also the file
 -- powersqrt.decTest which includes all the tests from
diff --git a/Lib/test/decimaltestdata/powersqrt.decTest b/Lib/test/decimaltestdata/powersqrt.decTest
index 36e5cbb..6f79f6c 100644
--- a/Lib/test/decimaltestdata/powersqrt.decTest
+++ b/Lib/test/decimaltestdata/powersqrt.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- These testcases are taken from squareroot.decTest but are
 -- evaluated using the power operator.  The differences in results
diff --git a/Lib/test/decimaltestdata/quantize.decTest b/Lib/test/decimaltestdata/quantize.decTest
index a60f1bf..1e5511f 100644
--- a/Lib/test/decimaltestdata/quantize.decTest
+++ b/Lib/test/decimaltestdata/quantize.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- Most of the tests here assume a "regular pattern", where the
 -- sign and coefficient are +1.
diff --git a/Lib/test/decimaltestdata/randomBound32.decTest b/Lib/test/decimaltestdata/randomBound32.decTest
index 7f115ad..0d5881d 100644
--- a/Lib/test/decimaltestdata/randomBound32.decTest
+++ b/Lib/test/decimaltestdata/randomBound32.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.55
+version: 2.57
 
 -- These testcases test calculations at precisions 31, 32, and 33, to
 -- exercise the boundaries around 2**5
diff --git a/Lib/test/decimaltestdata/randoms.decTest b/Lib/test/decimaltestdata/randoms.decTest
index 1529aec..a03b8d5 100644
--- a/Lib/test/decimaltestdata/randoms.decTest
+++ b/Lib/test/decimaltestdata/randoms.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 maxexponent: 999999999
diff --git a/Lib/test/decimaltestdata/reduce.decTest b/Lib/test/decimaltestdata/reduce.decTest
index ddce0c9..189a687 100644
--- a/Lib/test/decimaltestdata/reduce.decTest
+++ b/Lib/test/decimaltestdata/reduce.decTest
@@ -19,7 +19,7 @@
 ------------------------------------------------------------------------
 -- [This used to be called normalize.]
 
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/remainder.decTest b/Lib/test/decimaltestdata/remainder.decTest
index 4c92d0c..1a51c26 100644
--- a/Lib/test/decimaltestdata/remainder.decTest
+++ b/Lib/test/decimaltestdata/remainder.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/remainderNear.decTest b/Lib/test/decimaltestdata/remainderNear.decTest
index cfca91b..fdc1bd8 100644
--- a/Lib/test/decimaltestdata/remainderNear.decTest
+++ b/Lib/test/decimaltestdata/remainderNear.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.55
+version: 2.57
 
 extended:    1
 precision:   9
@@ -413,6 +413,18 @@
 rmnx606 remaindernear  31.5 3  -> 1.5    -- i=10
 rmnx607 remaindernear  34.5 3  -> -1.5   -- i=11
 
+-- zero signs
+rmnx650 remaindernear  1  1 ->  0
+rmnx651 remaindernear -1  1 -> -0
+rmnx652 remaindernear  1 -1 ->  0
+rmnx653 remaindernear -1 -1 -> -0
+rmnx654 remaindernear  0  1 ->  0
+rmnx655 remaindernear -0  1 -> -0
+rmnx656 remaindernear  0 -1 ->  0
+rmnx657 remaindernear -0 -1 -> -0
+rmnx658 remaindernear  0.00  1  ->  0.00
+rmnx659 remaindernear -0.00  1  -> -0.00
+
 -- Specials
 rmnx680 remaindernear  Inf  -Inf   ->  NaN Invalid_operation
 rmnx681 remaindernear  Inf  -1000  ->  NaN Invalid_operation
diff --git a/Lib/test/decimaltestdata/rescale.decTest b/Lib/test/decimaltestdata/rescale.decTest
index 30597db..882f570 100644
--- a/Lib/test/decimaltestdata/rescale.decTest
+++ b/Lib/test/decimaltestdata/rescale.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- [obsolete]   Quantize.decTest has the improved version
 
diff --git a/Lib/test/decimaltestdata/rotate.decTest b/Lib/test/decimaltestdata/rotate.decTest
index c5ced59..32dbd53 100644
--- a/Lib/test/decimaltestdata/rotate.decTest
+++ b/Lib/test/decimaltestdata/rotate.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/rounding.decTest b/Lib/test/decimaltestdata/rounding.decTest
index d24fbfb..82ca1b0 100644
--- a/Lib/test/decimaltestdata/rounding.decTest
+++ b/Lib/test/decimaltestdata/rounding.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- These tests require that implementations take account of residues in
 -- order to get correct results for some rounding modes.  Rather than
diff --git a/Lib/test/decimaltestdata/samequantum.decTest b/Lib/test/decimaltestdata/samequantum.decTest
index 0b1efff..3fa6cff 100644
--- a/Lib/test/decimaltestdata/samequantum.decTest
+++ b/Lib/test/decimaltestdata/samequantum.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/scaleb.decTest b/Lib/test/decimaltestdata/scaleb.decTest
index 0761dea..e77d938 100644
--- a/Lib/test/decimaltestdata/scaleb.decTest
+++ b/Lib/test/decimaltestdata/scaleb.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/shift.decTest b/Lib/test/decimaltestdata/shift.decTest
index c2a40cc..397024e 100644
--- a/Lib/test/decimaltestdata/shift.decTest
+++ b/Lib/test/decimaltestdata/shift.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/squareroot.decTest b/Lib/test/decimaltestdata/squareroot.decTest
index 2ccff5a..8d7b26e 100644
--- a/Lib/test/decimaltestdata/squareroot.decTest
+++ b/Lib/test/decimaltestdata/squareroot.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/subtract.decTest b/Lib/test/decimaltestdata/subtract.decTest
index 338a09c..a1eca31 100644
--- a/Lib/test/decimaltestdata/subtract.decTest
+++ b/Lib/test/decimaltestdata/subtract.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9
diff --git a/Lib/test/decimaltestdata/testall.decTest b/Lib/test/decimaltestdata/testall.decTest
index 1cbc20e..673aaa4 100644
--- a/Lib/test/decimaltestdata/testall.decTest
+++ b/Lib/test/decimaltestdata/testall.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- core tests (using Extended: 1) --------------------------------------
 dectest: base
diff --git a/Lib/test/decimaltestdata/tointegral.decTest b/Lib/test/decimaltestdata/tointegral.decTest
index ad25e6b..340515c 100644
--- a/Lib/test/decimaltestdata/tointegral.decTest
+++ b/Lib/test/decimaltestdata/tointegral.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This set of tests tests the extended specification 'round-to-integral
 -- value' operation (from IEEE 854, later modified in 754r).
diff --git a/Lib/test/decimaltestdata/tointegralx.decTest b/Lib/test/decimaltestdata/tointegralx.decTest
index d9bc9f3..381216d 100644
--- a/Lib/test/decimaltestdata/tointegralx.decTest
+++ b/Lib/test/decimaltestdata/tointegralx.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 -- This set of tests tests the extended specification 'round-to-integral
 -- value' operation (from IEEE 854, later modified in 754r).
diff --git a/Lib/test/decimaltestdata/xor.decTest b/Lib/test/decimaltestdata/xor.decTest
index 2ac1b37..1f3b03b 100644
--- a/Lib/test/decimaltestdata/xor.decTest
+++ b/Lib/test/decimaltestdata/xor.decTest
@@ -17,7 +17,7 @@
 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
 --   mfc@uk.ibm.com                                                   --
 ------------------------------------------------------------------------
-version: 2.56
+version: 2.57
 
 extended:    1
 precision:   9