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-rw-r--r--src/wolff.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/wolff.c b/src/wolff.c
index a8266ff..1176fde 100644
--- a/src/wolff.c
+++ b/src/wolff.c
@@ -84,8 +84,8 @@ int main(int argc, char *argv[]) {
s->g = graph_add_ext(h);
s->spins = (bool *)calloc(h->nv + 1, sizeof(bool));
- s->M = h->nv;
- s->H = -(1.0 * h->ne) - H * h->nv;
+ s->M = sign(H) * h->nv;
+ s->H = -(1.0 * h->ne) - sign (H) * H * h->nv;
double *bond_probs = (double *)malloc(2 * sizeof(double));
bond_probs[0] = 1 - exp(-2 / T);