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-rw-r--r--lib/wolff_tools.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/wolff_tools.c b/lib/wolff_tools.c
index 6b1e006..bab0908 100644
--- a/lib/wolff_tools.c
+++ b/lib/wolff_tools.c
@@ -206,6 +206,9 @@ uint32_t wolff_step(double T, double H, ising_state_t *s, sim_t sim, gsl_rng *r,
s->spins[v] = !s->spins[v];
}
} else {
+ while (c->spins != NULL) {
+ stack_pop(&(c->spins));
+ }
s->M += - sign(H) * 2 * c->dHb;
s->H += 2 * (c->dJb + sign (H) * H * c->dHb);
}