+// Public so that it can be benchmarked externally.
+template<class T>
+struct Tap {
+ T weight;
+ T pos;
+};
+struct ScalingWeights {
+ unsigned src_bilinear_samples;
+ unsigned dst_samples, num_loops;
+
+ // Exactly one of these is set.
+ std::unique_ptr<Tap<fp16_int_t>[]> bilinear_weights_fp16;
+ std::unique_ptr<Tap<float>[]> bilinear_weights_fp32;
+};
+ScalingWeights calculate_scaling_weights(unsigned src_size, unsigned dst_size, float zoom, float offset);
+