L2NormalizeLayerNode.cpp

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/*
 * Copyright (c) 2020 Arm Limited.
 *
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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#include "arm_compute/graph/nodes/L2NormalizeLayerNode.h"
 
#include "arm_compute/graph/Graph.h"
#include "arm_compute/graph/INodeVisitor.h"
 
namespace arm_compute
{
namespace graph
{
L2NormalizeLayerNode::L2NormalizeLayerNode() : L2NormalizeLayerNode(0, 1e-12f)
{
}
 
L2NormalizeLayerNode::L2NormalizeLayerNode(int axis) : L2NormalizeLayerNode(axis, 1e-12f)
{
}
 
L2NormalizeLayerNode::L2NormalizeLayerNode(int axis, float epsilon) : _axis(axis), _epsilon(epsilon)
{
    _input_edges.resize(1, EmptyEdgeID);
    _outputs.resize(1, NullTensorID);
}
 
bool L2NormalizeLayerNode::forward_descriptors()
{
    if ((input_id(0) != NullTensorID) && (output_id(0) != NullTensorID))
    {
        Tensor *dst = output(0);
        ARM_COMPUTE_ERROR_ON(dst == nullptr);
        dst->desc() = configure_output(0);
        return true;
    }
    return false;
}
 
TensorDescriptor L2NormalizeLayerNode::configure_output(size_t idx) const
{
    ARM_COMPUTE_UNUSED(idx);
    ARM_COMPUTE_ERROR_ON(idx >= _outputs.size());
 
    const Tensor *src = input(0);
    ARM_COMPUTE_ERROR_ON(src == nullptr);
 
    TensorDescriptor output_desc = src->desc();
 
    return output_desc;
}
 
int L2NormalizeLayerNode::axis() const
{
    return _axis;
}
 
float L2NormalizeLayerNode::epsilon() const
{
    return _epsilon;
}
 
NodeType L2NormalizeLayerNode::type() const
{
    return NodeType::L2NormalizeLayer;
}
 
void L2NormalizeLayerNode::accept(INodeVisitor &v)
{
    v.visit(*this);
}
} // namespace graph
} // namespace arm_compute