CircleRound.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/CircleRound.h"
 
#include <luci/IR/Nodes/CircleRound.h>
 
#include <loco.h>
 
namespace luci
{
 
bool CircleRoundGraphBuilder::validate(const ValidateArgs &args) const
{
  if (!GraphBuilder::validate(args, 1))
    return false;
 
  const auto &inputs = args.op.inputs;
  const auto &outputs = args.op.outputs;
  // Must be one of the following types
  // bfloat16, half (float16), float32, float64, complex64, complex128
  // Currently, circle supports float16, float32, complex64
  const auto tensors = args.reader.tensors();
  const auto tensor_in = tensors.at(inputs.at(0));
  const auto tensor_out = tensors.at(outputs[0]);
  assert(tensor_in != nullptr);
  assert(tensor_out != nullptr);
 
  switch (tensor_in->type())
  {
    case circle::TensorType_FLOAT16:
    case circle::TensorType_FLOAT32:
    case circle::TensorType_FLOAT64:
    case circle::TensorType_INT32:
    case circle::TensorType_INT64:
      break;
    default:
      return false;
  }
 
  if (tensor_out->type() != tensor_in->type())
    return false;
 
  return true;
}
 
CircleNode *CircleRoundGraphBuilder::build_node(const circle::OperatorT &,
                                                const std::vector<CircleNode *> &inputs,
                                                loco::Graph *graph) const
{
  auto *node = graph->nodes()->create<CircleRound>();
  node->x(inputs.at(0));
 
  return node;
}
 
} // namespace luci