Test cases from Cowlishaw, v2.57. All are pased cleanly.
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