1 files changed, 0 insertions, 91 deletions
diff --git a/lib/cluster.c b/lib/cluster.c
index 7274eb9..96225a2 100644
--- a/lib/cluster.c
+++ b/lib/cluster.c
@@ -1,97 +1,6 @@
 
 #include "cluster.h"
 
-v_t flip_cluster(ising_state_t *s, v_t v0, q_t rot, gsl_rng *r) {
-  v_t nv = 0;
-
-  ll_t *stack = NULL;     // create a new stack
-  stack_push(&stack, v0); // push the initial vertex to the stack
-
-  bool *marks = (bool *)calloc(s->g->nv, sizeof(bool));
-
-  while (stack != NULL) {
-    v_t v = stack_pop(&stack);
-
-    if (!marks[v]) {
-      q_t s_old, s_new;
-      dihedral_t *R_new; 
-      bool external_flipped;
-
-      marks[v] = true;
-
-      if (v == s->g->nv - 1) {
-        R_new = dihedral_compose(s->q, rot, s->R);
-        external_flipped = true;
-      } else {
-        s_old = s->spins[v];
-        s_new = dihedral_act(s->q, rot, s_old);
-        external_flipped = false;
-      }
-
-      v_t nn = s->g->v_i[v + 1] - s->g->v_i[v];
-
-      for (v_t i = 0; i < nn; i++) {
-        q_t sn;
-        double prob;
-        bool external_neighbor = false;
-
-        v_t vn = s->g->v_adj[s->g->v_i[v] + i];
-
-        if (vn == s->g->nv - 1) {
-          external_neighbor = true;
-        } else {
-          sn = s->spins[vn];
-        }
-
-        if (external_flipped || external_neighbor) {
-          q_t rot_s_old, rot_s_new;
-
-          if (external_neighbor) {
-            rot_s_old = dihedral_inverse_act(s->q, s->R, s_old);
-            rot_s_new = dihedral_inverse_act(s->q, s->R, s_new);
-          } else {
-            rot_s_old = dihedral_inverse_act(s->q, s->R, sn);
-            rot_s_new = dihedral_inverse_act(s->q, R_new, sn);
-          }
-
-          prob = s->H_probs[rot_s_new * s->q + rot_s_old];
-
-          s->M[rot_s_old]--;
-          s->M[rot_s_new]++;
-
-          s->E += - s->H[rot_s_new] + s->H[rot_s_old];
-        } else {
-          q_t diff_old = (s_old + s->q - sn) % s->q;
-          q_t diff_new = (s_new + s->q - sn) % s->q;
-
-          prob = s->J_probs[diff_new * s->q + diff_old];
-
-          s->E += - s->J[diff_new] + s->J[diff_old];
-        }
-
-        if (gsl_rng_uniform(r) < prob) { // and with probability ps[e]...
-          stack_push(&stack, vn); // push the neighboring vertex to the stack
-        }
-      }
-
-      if (external_flipped) {
-        free(s->R);
-        s->R = R_new;
-      } else {
-        s->spins[v] = s_new;
-      }
-
-      if (v != s->g->nv - 1) { // count the number of non-external sites that flip
-        nv++;
-      }
-    }
-  }
-
-  free(marks);
-
-  return nv;
-}
-
 v_t flip_cluster_dgm(dgm_state_t *s, v_t v0, h_t rot, gsl_rng *r) {
   v_t nv = 0;