spatial/Force: remove __equal__ method and use operator= instead

src/spatial/force-base.hpp

@@ -127,7 +127,8 @@ namespace se3
     /** \brief Copies the Derived Force into *this
      *  \return a reference to *this
      */
-    Derived & operator= (const ForceBase<Derived> & other) { return derived().__equl__(other.derived()); }
+    Derived & operator=(const ForceBase<Derived> & other)
+    { return derived().setFrom(other.derived()); }
     
     /**
      * \brief Replaces *this by *this + other.

src/spatial/force-dense.hpp

@@ -63,13 +63,19 @@ namespace se3
     
     // Arithmetic operators
     template<typename D2>
-    Derived & __equl__(const ForceDense<D2> & other)
+    Derived & setFrom(const ForceDense<D2> & other)
     {
       linear() = other.linear();
       angular() = other.angular();
       return derived();
     }
     
+    template<typename D2>
+    Derived & operator=(const ForceDense<D2> & other)
+    {
+      return derived().setFrom(other.derived());
+    }
+    
     template<typename V6>
     Derived & operator=(const Eigen::MatrixBase<V6> & v)
     {
@@ -79,12 +85,6 @@ namespace se3
       return derived();
     }
     
-    template<typename D2>
-    Derived & operator=(const ForceDense<D2> & other)
-    {
-      return derived().__equl__(other.derived());
-    }
-    
     ForcePlain operator-() const { return derived().__opposite__(); }
     template<typename F1>
     ForcePlain operator+(const ForceDense<F1> & f) const { return derived().__plus__(f.derived()); }

src/spatial/force-tpl.hpp

@@ -85,13 +85,6 @@ namespace se3
     explicit ForceTpl(const ForceDense<M2> & clone)
     { linear() = clone.linear(); angular() = clone.angular(); }
     
-    template<int O2>
-    ForceTpl & __equl__(const ForceTpl<Scalar,O2> & other)
-    {
-      m_data = other.toVector();
-      return *this;
-    }
-    
     // initializers
     static ForceTpl Zero()   { return ForceTpl(Vector6::Zero());   }
     static ForceTpl Random() { return ForceTpl(Vector6::Random()); }