F32->F16 Convert operator

PiperOrigin-RevId: 409036598
diff --git a/include/xnnpack.h b/include/xnnpack.h
index 411e94e..2caf424 100644
--- a/include/xnnpack.h
+++ b/include/xnnpack.h
@@ -2741,6 +2741,20 @@
   float* output,
   pthreadpool_t threadpool);
 
+enum xnn_status xnn_create_convert_nc_f32_f16(
+  size_t channels,
+  size_t input_stride,
+  size_t output_stride,
+  uint32_t flags,
+  xnn_operator_t* convert_op_out);
+
+enum xnn_status xnn_setup_convert_nc_f32_f16(
+  xnn_operator_t convert_op,
+  size_t batch_size,
+  const float* input,
+  void* output,
+  pthreadpool_t threadpool);
+
 #endif  // XNN_NO_CVT_OPERATORS
 
 #ifdef __cplusplus