1 files changed, 3 insertions, 0 deletions
diff --git a/src/libvpsc/blocks.cpp b/src/libvpsc/blocks.cpp
index 48f0237bf..fe0caacfc 100644
--- a/src/libvpsc/blocks.cpp
+++ b/src/libvpsc/blocks.cpp
@@ -28,6 +28,8 @@ using std::iterator;
 using std::list;
 using std::copy;
 
+namespace vpsc {
+
 long blockTimeCtr;
 
 Blocks::Blocks(const int n, Variable* const vs[]) : vs(vs),nvs(n) {
@@ -194,3 +196,4 @@ double Blocks::cost() {
 	return c;
 }
 
+}