CircleOneHot.cpp

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/*
 * Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#include "luci/Import/Nodes/CircleOneHot.h"
 
#include <luci/IR/Nodes/CircleOneHot.h>
 
#include <loco.h>
#include <oops/UserExn.h>
 
namespace luci
{
 
bool CircleOneHotGraphBuilder::validate(const ValidateArgs &args) const
{
  // Only 4 Input come refered from
  if (!GraphBuilder::validate(args, 4))
    return false;
 
  const auto &inputs = args.op.inputs;
  const auto *options = args.op.builtin_options.AsOneHotOptions();
  const auto tensors = args.reader.tensors();
  const auto indices = tensors.at(inputs.at(0));
  const auto depth = tensors.at(inputs.at(1));
  const auto on_value = tensors.at(inputs.at(2));
  const auto off_value = tensors.at(inputs.at(3));
  assert(indices != nullptr);
  assert(depth != nullptr);
  assert(on_value != nullptr);
  assert(off_value != nullptr);
 
  if (options->axis < -1 || options->axis > static_cast<int32_t>(wrap(indices->shape()).size()))
    return false;
  if (wrap(depth->shape()).size() != 0)
    return false;
  if (wrap(on_value->shape()).size() != 0)
    return false;
  if (wrap(off_value->shape()).size() != 0)
    return false;
  if (on_value->type() != off_value->type())
    return false;
 
  return true;
}
 
CircleNode *CircleOneHotGraphBuilder::build_node(const circle::OperatorT &op,
                                                 const std::vector<CircleNode *> &inputs,
                                                 loco::Graph *graph) const
{
  auto *node = graph->nodes()->create<CircleOneHot>();
 
  node->indices(inputs.at(0));
  node->depth(inputs.at(1));
  node->on_value(inputs.at(2));
  node->off_value(inputs.at(3));
 
  const auto *options = op.builtin_options.AsOneHotOptions();
  node->axis(options->axis);
 
  return node;
}
 
} // namespace luci