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-rw-r--r--unfinished/separate.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/unfinished/separate.c b/unfinished/separate.c
index 9ffa632..fdeeb3d 100644
--- a/unfinished/separate.c
+++ b/unfinished/separate.c
@@ -94,7 +94,7 @@
#include <string.h>
#include <assert.h>
#include <ctype.h>
-#include <math.h>
+#include <tgmath.h>
#include "puzzles.h"