code: public Vector4d sub(double x, double y, double z, double w, Vector4d dest) {
          dest.x = this.x - x;
          dest.y = this.y - y;
          dest.z = this.z - z;
          dest.w = this.w - w;
          return dest;
      }
docs: /* (non-Javadoc)
  @see org.joml.Vector4dc#sub(double, double, double, double, org.joml.Vector4d)