1 files changed, 1 insertions, 0 deletions
diff --git a/common.h b/common.h
index 09f6193..88acdf0 100644
--- a/common.h
+++ b/common.h
@@ -6,6 +6,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <limits.h>
+#include <math.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>