mindspore/mindspore/lite/nnacl/infer/splice_infer.c

/**
 * Copyright 2021 Huawei Technologies Co., Ltd
 *
 * 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 "nnacl/infer/splice_infer.h"
#include "nnacl/infer/infer_register.h"

int SpliceInferShape(const TensorC *const *inputs, size_t inputs_size, TensorC **outputs, size_t outputs_size,
                     OpParameter *parameter) {
#ifdef Debug
  int check_ret = CheckAugmentNullSize(inputs, inputs_size, outputs, outputs_size, parameter, 1, 1);
  if (check_ret == NNACL_NULL_PTR) {
    return NNACL_NULL_PTR;
  }
#endif

  const TensorC *input = inputs[0];
  TensorC *output = outputs[0];
  SetDataTypeFormat(output, input);
  if (!parameter->infer_flag_) {
    return NNACL_INFER_INVALID;
  }

  size_t max_dims = input->shape_size_;
  size_t max_dims_idx = 0;

  // determine max_dims
  for (size_t i = 1; i < inputs_size; ++i) {
    if (inputs[i]->shape_size_ > max_dims) {
      max_dims = inputs[i]->shape_size_;
      max_dims_idx = i;
    }
  }
  SpliceParameter *param = (SpliceParameter *)parameter;
  if (param == NULL) {
    return NNACL_NULL_PTR;
  }
  int context_size = param->context_dim_;
  int out_dim = param->output_dim_;
  ShapeSet(output->shape_, &output->shape_size_, inputs[max_dims_idx]->shape_, inputs[max_dims_idx]->shape_size_);
  output->shape_[1] = input->shape_[1] - context_size + 1;
  output->shape_[2] = out_dim;
  return NNACL_OK;
}