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-rw-r--r--src/mem/ruby/common/Histogram.cc5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mem/ruby/common/Histogram.cc b/src/mem/ruby/common/Histogram.cc
index 7f9a7027e..2a25cfeb1 100644
--- a/src/mem/ruby/common/Histogram.cc
+++ b/src/mem/ruby/common/Histogram.cc
@@ -32,8 +32,13 @@
*
*/
+#include <cmath>
+#include <iomanip>
+
#include "mem/ruby/common/Histogram.hh"
+using namespace std;
+
Histogram::Histogram(int binsize, int bins)
{
m_binsize = binsize;