X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2FChangeLog;h=e92778cb3d0187b902e7fbd0fac6b2c6da4b9a62;hb=d2a96ae99e49b5264ca68ace469e20fa5e2e605b;hp=c125ac413bf7661bfd7edd384c3fa083e4b258e5;hpb=24b37bba66595150594008c350944a14ab654a52;p=pspp

diff --git a/src/libpspp/ChangeLog b/src/libpspp/ChangeLog
index c125ac413b..e92778cb3d 100644
--- a/src/libpspp/ChangeLog
+++ b/src/libpspp/ChangeLog
@@ -1,5 +1,37 @@
+2007-06-06  Ben Pfaff  <blp@gnu.org>
+
+	* array.c (binary_search): Fix assertion.
+
+2007-06-06  Ben Pfaff  <blp@gnu.org>
+
+	Add error propagation layer.  Patch #5916, slightly revised.
+
+	* automake.mk: Add new files.
+	
+	* taint.c: New file.
+
+	* taint.h: New file.
+
 2007-06-03  Ben Pfaff  <blp@gnu.org>
 
+	Add ability for reverse iteration to tower code.
+	
+	* tower.c (tower_last): New function.
+	(tower_prev): New function.
+	(abt_to_tower_node): New function.
+	(first_node): Use abt_to_tower_node.
+	(last_node): New function.
+	(next_ndoe): Use abt_to_tower_node.
+	(prev_node): New function.
+
+2007-06-03  Ben Pfaff  <blp@gnu.org>
+
+	* tower.c: Cache repeated lookups of a single tower element.  This
+	turns such lookups into O(1) operations without harming the big-O
+	of other operations.
+
+	* tower.h (struct tower): Add members for caching.
+
 	* range-set.c (range_set_clone): New function.
 
 	* array.c (insert_range): New function.