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-rw-r--r--src/blind-multiply-matrices.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/blind-multiply-matrices.c b/src/blind-multiply-matrices.c
index af86311..d99b22a 100644
--- a/src/blind-multiply-matrices.c
+++ b/src/blind-multiply-matrices.c
@@ -67,6 +67,7 @@ main(int argc, char *argv[])
}
SELECT_PROCESS_FUNCTION(streams);
+ CHECK_N_CHAN(streams, 1, 4);
w = streams->width, streams->width = max_width;
h = streams->height, streams->height = max_height;