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-rw-r--r--libavfilter/vsrc_mandelbrot.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavfilter/vsrc_mandelbrot.c b/libavfilter/vsrc_mandelbrot.c
index 7bf97776cd..eef3b9e215 100644
--- a/libavfilter/vsrc_mandelbrot.c
+++ b/libavfilter/vsrc_mandelbrot.c
@@ -31,6 +31,7 @@
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include <float.h>
+#include <math.h>
#define SQR(a) ((a)*(a))