1 files changed, 2 insertions, 0 deletions
diff --git a/src/match.h b/src/match.h
index 941b62e..0fa7b6f 100644
--- a/src/match.h
+++ b/src/match.h
@@ -1,6 +1,8 @@
 #ifndef MATCH_H
 #define MATCH_H MATCH_H
 
+#include <math.h>
+
 typedef double score_t;
 #define SCORE_MAX INFINITY
 #define SCORE_MIN -INFINITY