flatten_layer.h

Go to the documentation of this file.

// SPDX-License-Identifier: AGPL-3.0-only
// Copyright (C) 2026 Artificial Intelligence Techniques, S.L. and Roberto López González
 
#pragma once
 
#include "opennn/network/layers/layer.h"
 
namespace opennn
{
 
class Flatten final : public Layer
{
public:
 
    Flatten(const Shape& = {}, const string& = "flatten_layer");
 
    Shape get_output_shape() const override { return { input_shape.size() }; }
 
    vector<TensorSpec> get_forward_specs(Index) const override { return {}; }
 
    vector<TensorSpec> get_backward_specs(Index) const override { return {}; }
 
    void set(const Shape&, const string& = "flatten_layer");
 
    bool accepts_input_rank(Index rank) const override { return is_one_of(rank, 1, 2, 3); }
 
    void apply_input_shape(const Shape& new_input_shape) override { set(new_input_shape, label); }
};
 
}