rec/fdeep/layers/input_layer.hpp
2020-03-18 14:42:46 +08:00

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// Copyright 2016, Tobias Hermann.
// https://github.com/Dobiasd/frugally-deep
// Distributed under the MIT License.
// (See accompanying LICENSE file or at
// https://opensource.org/licenses/MIT)
#pragma once
#include "fdeep/layers/layer.hpp"
#include <string>
namespace fdeep { namespace internal
{
class input_layer : public layer
{
public:
explicit input_layer(const std::string& name, const shape5_variable& input_shape)
: layer(name), input_shape_(input_shape), output_()
{
}
protected:
tensor5s apply_impl(const tensor5s& inputs) const override
{
assertion(inputs.size() == 1, "need exactly one input");
assertion(inputs.front().shape() == input_shape_, "invalid input size");
return inputs;
}
shape5_variable input_shape_;
// provide initial tensor for computation
mutable fplus::maybe<tensor5> output_;
};
} } // namespace fdeep, namespace internal