38 template<typename T> inline T amd_flip(const T& i) { return -i-2; }  in amd_flip()  function
39 template<typename T> inline T amd_unflip(const T& i) { return i<0 ? amd_flip(i) : i; }  in amd_unflip()
41 …e T0, typename T1> inline void amd_mark(const T0* w, const T1& j) { return w[j] = amd_flip(w[j]); }  in amd_mark()
168       Cp[i] = amd_flip (n);  in minimum_degree_ordering()
201           Ci[p] = amd_flip (j);    /* first entry is now amd_flip(j) */  in minimum_degree_ordering()
206         if((j = amd_flip (Ci[p++])) >= 0)  /* found object j */  in minimum_degree_ordering()
255         Cp[e] = amd_flip (k);      /* absorb e into k */  in minimum_degree_ordering()
308             Cp[e] = amd_flip (k);  /* aggressive absorb. e->k */  in minimum_degree_ordering()
326         Cp[i] = amd_flip (k);      /* absorb i into k */  in minimum_degree_ordering()
374             Cp[j] = amd_flip (i);  /* absorb j into i */  in minimum_degree_ordering()
416   for(i = 0; i < n; i++) Cp[i] = amd_flip (Cp[i]);/* fix assembly tree */  in minimum_degree_ordering()