CircleGather.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/CircleGather.h"
 
#include <luci/IR/Nodes/CircleGather.h>
 
#include <loco.h>
#include <oops/UserExn.h>
 
namespace luci
{
 
bool CircleGatherGraphBuilder::validate(const ValidateArgs &args) const
{
  if (!GraphBuilder::validate(args, 2))
    return false;
 
  const auto &inputs = args.op.inputs;
  const auto *options = args.op.builtin_options.AsGatherOptions();
 
  int32_t axis = options->axis;
 
  if (axis < 0)
    axis += inputs.size();
 
  if (axis < 0)
    return false;
 
  // TODO do indices type check
  // TODO do axis check when shape information is given
 
  return true;
}
 
CircleNode *CircleGatherGraphBuilder::build_node(const circle::OperatorT &op,
                                                 const std::vector<CircleNode *> &inputs,
                                                 loco::Graph *graph) const
{
  auto *node = graph->nodes()->create<CircleGather>();
 
  node->params(inputs.at(0));
  node->indices(inputs.at(1));
 
  const auto *options = op.builtin_options.AsGatherOptions();
  node->axis(options->axis);
 
  return node;
}
 
} // namespace luci