typedef std::vector<IT> order_type;
/** Create a standard order of the complex c, i.e., the identity permutation. */
typedef std::vector<IT> order_type;
/** Create a standard order of the complex c, i.e., the identity permutation. */
/** The i-th simplex in order is the order[i]-th simplex of the
* complex. 'order' can be seen as a permutation of the
/** The i-th simplex in order is the order[i]-th simplex of the
* complex. 'order' can be seen as a permutation of the