1 files changed, 29 insertions, 0 deletions
diff --git a/gi/posterior-regularisation/prjava/src/optimization/gradientBasedMethods/ProjectedObjective.java b/gi/posterior-regularisation/prjava/src/optimization/gradientBasedMethods/ProjectedObjective.java
new file mode 100644
index 00000000..c3d21393
--- /dev/null
+++ b/gi/posterior-regularisation/prjava/src/optimization/gradientBasedMethods/ProjectedObjective.java
@@ -0,0 +1,29 @@
+package optimization.gradientBasedMethods;
+
+import optimization.util.MathUtils;
+
+
+/**
+ * Computes a projected objective
+ * When we tell it to set some parameters it automatically projects the parameters back into the simplex:
+ * 
+ * 
+ * When we tell it to get the gradient in automatically returns the projected gradient:
+ * @author javg
+ *
+ */
+public abstract class ProjectedObjective extends Objective{
+	
+	public abstract double[] projectPoint (double[] point);
+	
+	public double[] auxParameters;
+	
+	
+	public  void setInitialParameters(double[] params){
+		setParameters(projectPoint(params));
+	}
+	
+	
+	
+	
+}