diff --git a/sm/csm/structprior/Optimizer.cpp b/sm/csm/structprior/Optimizer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..95f0367ba79ca3fab5653d67cc37ab20019c97c1
--- /dev/null
+++ b/sm/csm/structprior/Optimizer.cpp
@@ -0,0 +1,19 @@
+#include "Optimizer.h"
+
+Optimizer::Optimizer(LDP ld, MeasurementsLikelihood ml, ConstraintManager cm)
+{
+	laser_data = ld;
+	measurements_likelihood = ml;
+	constraint_manager = cm;
+
+}
+
+Optimizer::~Optimizer(void)
+{
+
+}
+
+void Optimizer::Optimizer()
+{
+
+}
diff --git a/sm/csm/structprior/Optimizer.h b/sm/csm/structprior/Optimizer.h
new file mode 100644
index 0000000000000000000000000000000000000000..8784da2b46daa50ad9f236e8498ba8da1f66eb62
--- /dev/null
+++ b/sm/csm/structprior/Optimizer.h
@@ -0,0 +1,23 @@
+#ifndef H_OPTIMIZER
+#define H_OPTIMIZER
+
+#include <csm/csm_all.h>
+#include "MeasurementsLikelihood.h"
+#include "ConstraintManager.h"
+
+class Minimizer
+{
+
+//constructors
+public:
+	Optimizer(LDP ld, MeasurementsLikelihood ml, ConstraintManager cm); 
+	virtual ~Optimizer(void);
+//class variables
+	LDP laser_data;
+	MeasurementsLikelihood measurements_likelihood;
+	ConstraintManager constraint_manager;
+//methods
+	void OptimizeAlphas();
+
+};
+#endif
diff --git a/sm/csm/structprior/structprior_test.cpp b/sm/csm/structprior/structprior_test.cpp
index c2cbe19736611db17781f51e99e14c22969a5e9d..b0a4a9478801283ae11ab644cee42eb1402ae0a3 100644
--- a/sm/csm/structprior/structprior_test.cpp
+++ b/sm/csm/structprior/structprior_test.cpp
@@ -3,7 +3,7 @@
 
 #include "ConstraintManager.h"
 #include "MeasurementsLikelihood.h"
-#include "Minimizer.h"
+#include "Optimizer.h"
 
 
 int main(int argc, const char** argv) 
@@ -36,8 +36,8 @@ int main(int argc, const char** argv)
 	int number_of_measurements = laserdata->nrays;
 	MeasurementsLikelihood f(L2,number_of_measurements);
 
-	Minimizer minimizer(laserdata,f,cons_manager);
-	minimizer.Minimize();
+	Optimizer optimizer(laserdata,f,cons_manager);
+	optimizer.OptimizeAlphas();