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-rw-r--r--src/wolff_potts.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/wolff_potts.cpp b/src/wolff_potts.cpp
index 74e0ea9..5de7f9c 100644
--- a/src/wolff_potts.cpp
+++ b/src/wolff_potts.cpp
@@ -11,6 +11,7 @@
#include <colors.h>
// include wolff.h
+#include <rand.h>
#include <wolff.h>
typedef state_t <symmetric_t<POTTSQ>, potts_t<POTTSQ>> sim_t;