diff --git a/Packages/Interval_arithmetic/TODO b/Packages/Interval_arithmetic/TODO
index ede190f1c6e..f2fed89fc2b 100644
--- a/Packages/Interval_arithmetic/TODO
+++ b/Packages/Interval_arithmetic/TODO
@@ -40,8 +40,6 @@ Concerning the main code:
 - Turn CGAL_IA_CHECK_RESTRICT into an [expensive] assertion ?
 - volatile should be removed from FPU_empiric_test() now that we enforce this
   everywhere.
-- Replace the macros CGAL_IA_SMALLEST/CGAL_IA_LARGEST by consts ?  See if it
-  impacts performance before.
 - Move the constant propagation barriers more deeply, where they are needed.
   (i.e. just before the actual FP operations that need to be done at run time)
 - Mark the cache as "mutable" (see Stroustrup, page 232) ?
diff --git a/Packages/Interval_arithmetic/changes.txt b/Packages/Interval_arithmetic/changes.txt
index be22f36e03d..8a035510701 100644
--- a/Packages/Interval_arithmetic/changes.txt
+++ b/Packages/Interval_arithmetic/changes.txt
@@ -1,5 +1,9 @@
 Changes done to the Interval Arithmetic package.
 
+Version 4.35 on  7 November 1999
+- Replaced the macros CGAL_IA_SMALLEST (resp LARGEST) by static data members
+  Interval_nt_advanced::Smallest (resp Largest).
+
 Version 4.34 on  3 November 1999
 - The script now recognizes the per predicate marker /*CGAL_NO_FILTER*/.
 - Added an exact converter from double to Quotient<Gmpz>, so that
diff --git a/Packages/Interval_arithmetic/test/Interval_arithmetic/Makefile b/Packages/Interval_arithmetic/test/Interval_arithmetic/Makefile
index f793b12764e..4c9091a0749 100644
--- a/Packages/Interval_arithmetic/test/Interval_arithmetic/Makefile
+++ b/Packages/Interval_arithmetic/test/Interval_arithmetic/Makefile
@@ -16,7 +16,7 @@ CXXFLAGS = \
         -I../../include \
 	$(TESTSUITE_CXXFLAGS) \
 	$(CGAL_CXXFLAGS) \
-	-g -W -Wall
+	-O2 -DLOOPS=10000000 -W -Wall
 	# -DCGAL_IA_NEW_FILTERS
 	# -O2 -mcpu=pentiumpro -march=pentiumpro -W -Wall -DLOOPS=10000000
 	# -g -Wall -W
@@ -48,7 +48,7 @@ CXXFLAGS = \
 # LDFLAGS = Interval_arithmetic$(OBJ_EXT)
 # LDFLAGS = ../../src/Interval_arithmetic/workaround_4_ms.obj
 
-LDFLAGS =  \
+LDFLAGS = Interval_arithmetic$(OBJ_EXT) \
           $(TESTSUITE_LDFLAGS) \
           $(CGAL_LDFLAGS)
 
diff --git a/Packages/Interval_arithmetic/version b/Packages/Interval_arithmetic/version
index b6dd0246086..db5552503e5 100644
--- a/Packages/Interval_arithmetic/version
+++ b/Packages/Interval_arithmetic/version
@@ -1 +1 @@
-4.34 ( 3 Nov 1999)
+4.35 ( 7 Nov 1999)