code: public Matrix4x3d set(Matrix4x3dc m) {
          m00 = m.m00();
          m01 = m.m01();
          m02 = m.m02();
          m10 = m.m10();
          m11 = m.m11();
          m12 = m.m12();
          m20 = m.m20();
          m21 = m.m21();
          m22 = m.m22();
          m30 = m.m30();
          m31 = m.m31();
          m32 = m.m32();
          properties = m.properties();
          return this;
      }
docs: Store the values of the given matrix <code>m</code> into <code>this</code> matrix.
  
  @param m
  the matrix to copy the values from
  @return this