code: public Matrix4 set (float[] values) {
          return set(values[0], values[1], values[2], values[3],
                     values[4], values[5], values[6], values[7],
                     values[8], values[9], values[10], values[11],
                     values[12], values[13], values[14], values[15]);
      }
docs: Copies the elements of a row-major array.
  
  @return a reference to this matrix, for chaining.