Method empty

plugin/seq/ff-Ipopt.cpp:397–397

Structure& operator()() {return structure;} const Structure& operator()() const {return structure;}

  // Structure& operator()() {return structure;}
  // const Structure& operator()() const {return structure;}
  bool empty( ) const { return structure.empty( ) && !raws && !cols; }

  int N( ) const { return n; }