diff --git a/src/doNormalMono.h b/src/doNormalMono.h
new file mode 100644
index 00000000..aa334085
--- /dev/null
+++ b/src/doNormalMono.h
@@ -0,0 +1,31 @@
+#ifndef _doNormalMono_h
+#define _doNormalMono_h
+
+#include "doDistrib.h"
+
+template < typename EOT >
+class doNormalMono : public doDistrib< EOT >
+{
+public:
+    doNormalMono( const EOT& mean, const EOT& variance )
+	: _mean(mean), _variance(variance)
+    {
+	assert(_mean.size() > 0);
+	assert(_mean.size() == _variance.size());
+    }
+
+    unsigned int size()
+    {
+	assert(_mean.size() == _variance.size());
+	return _mean.size();
+    }
+
+    EOT& mean(){return _mean;}
+    EOT& variance(){return _variance;}
+
+private:
+    EOT _mean;
+    EOT _variance;
+};
+
+#endif // !_doNormalMono_h