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-rw-r--r--src/wolff_dgm.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/wolff_dgm.cpp b/src/wolff_dgm.cpp
index 6337a5e..718db8d 100644
--- a/src/wolff_dgm.cpp
+++ b/src/wolff_dgm.cpp
@@ -10,6 +10,7 @@
#include <height.h>
// include wolff.h
+#include <rand.h>
#include <wolff.h>
typedef state_t <dihedral_inf_t<int64_t>, height_t<int64_t>> sim_t;