CircleSquaredDifference.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/CircleSquaredDifference.h"
 
#include <luci/IR/Nodes/CircleSquaredDifference.h>
 
#include <loco.h>
 
namespace luci
{
 
bool CircleSquaredDifferenceGraphBuilder::validate(const ValidateArgs &args) const
{
  if (!GraphBuilder::validate(args, 2))
    return false;
 
  const auto &inputs = args.op.inputs;
  const auto &outputs = args.op.outputs;
  // Inputs must be one of the following types
  // bfloat16, half(float16), float32, float64, int32, int64, complex64, complex128
  const auto tensors = args.reader.tensors();
  const auto tensor = tensors.at(inputs.at(0));
  assert(tensor != nullptr);
  switch (tensor->type())
  {
    case circle::TensorType_FLOAT16:
    case circle::TensorType_FLOAT32:
    case circle::TensorType_FLOAT64:
    case circle::TensorType_INT32:
    case circle::TensorType_INT64:
    case circle::TensorType_COMPLEX64:
      break;
    // TODO support bfloat16, complex128
    // Additional support for quantized tensors
    case circle::TensorType_UINT8:
    case circle::TensorType_INT16:
      break;
    default:
      return false;
  }
 
  // Input types must match
  assert(tensors.at(inputs.at(0)) != nullptr && tensors.at(inputs.at(1)) != nullptr);
  if (tensors.at(inputs.at(0))->type() != tensors.at(inputs.at(1))->type())
    return false;
 
  // Input and output types must match
  assert(tensors.at(outputs[0]) != nullptr);
  if (tensors.at(inputs.at(0))->type() != tensors.at(outputs[0])->type())
    return false;
 
  return true;
}
 
CircleNode *CircleSquaredDifferenceGraphBuilder::build_node(const circle::OperatorT &,
                                                            const std::vector<CircleNode *> &inputs,
                                                            loco::Graph *graph) const
{
  auto *node = graph->nodes()->create<CircleSquaredDifference>();
  node->x(inputs.at(0));
  node->y(inputs.at(1));
 
  return node;
}
 
} // namespace luci