2 files changed, 5 insertions, 0 deletions
diff --git a/libavfilter/dnn/dnn_backend_native_layer_mathunary.c b/libavfilter/dnn/dnn_backend_native_layer_mathunary.c
index d130058546..42615c43d5 100644
--- a/libavfilter/dnn/dnn_backend_native_layer_mathunary.c
+++ b/libavfilter/dnn/dnn_backend_native_layer_mathunary.c
@@ -100,6 +100,10 @@ int dnn_execute_layer_math_unary(DnnOperand *operands, const int32_t *input_oper
         for (int i = 0; i < dims_count; ++i)
             dst[i] = acos(src[i]);
         return 0;
+    case DMUO_ATAN:
+        for (int i = 0; i < dims_count; ++i)
+            dst[i] = atan(src[i]);
+        return 0;
     default:
         return -1;
     }
diff --git a/libavfilter/dnn/dnn_backend_native_layer_mathunary.h b/libavfilter/dnn/dnn_backend_native_layer_mathunary.h
index f146248567..13fa33178a 100644
--- a/libavfilter/dnn/dnn_backend_native_layer_mathunary.h
+++ b/libavfilter/dnn/dnn_backend_native_layer_mathunary.h
@@ -36,6 +36,7 @@ typedef enum {
     DMUO_TAN = 3,
     DMUO_ASIN = 4,
     DMUO_ACOS = 5,
+    DMUO_ATAN = 6,
     DMUO_COUNT
 } DNNMathUnaryOperation;