Add a set forces.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/scalfmm/scalfmm/trunk@285 2616d619-271b-44dc-8df4-d4a8f33a7222

Src/Extensions/FExtendForces.hpp

@@ -49,6 +49,10 @@ public:
         this->forces.incZ(inFz);
     }
 
+    /** set the forces from 3 variables */
+    void setForces(const FReal inFx, const FReal inFy, const FReal inFz) {
+        this->forces.setPosition(inFx , inFy, inFz);
+    }
 };