text: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.
   */
  
  /*
   * Copyright (c) 2021, OPEN AI LAB
   * Author: zpluo@openailab.com
   */
  
  #include "embedding_param.h"
  
  #include "graph/tensor.h"
  #include "graph/node.h"
  #include "graph/graph.h"
  #include "module/module.h"
  #include "utility/sys_port.h"
  
  #include <string.h>
  
  
  static int infer_shape(struct node* node)
  {
      struct graph* graph = node->graph;
      struct tensor* input = get_ir_graph_tensor(graph, node->input_tensors[0]);
      struct tensor* output = get_ir_graph_tensor(graph, node->output_tensors[0]);
  
      int dims[2] = {0};
      dims[0] = 1;
      for (int ii = 0; ii < input->dim_num; ++ii)
      {
          dims[0] *= input->dims[ii];
      }
  
      struct embedding_param* param = ( struct embedding_param* )node->op.param_mem;
  
      dims[1] = param->num_output;
  
      set_ir_tensor_shape(output, dims, 2);
  
      return 0;
  }
  
  
  static int init_op(struct op* op)
  {
      struct embedding_param* param = ( struct embedding_param* )sys_malloc(sizeof(struct embedding_param));
  
      if (param == NULL)
      {
          return -1;
      }
  
      /*set the param default value */
      memset(param, 0, sizeof(struct embedding_param));
      op->param_mem = param;
      op->param_size = sizeof(struct embedding_param);
      op->same_shape = 0;
      op->infer_shape = infer_shape;
  
      return 0;
  }
  
  
  static void release_op(struct op* op)
  {
      sys_free(op->param_mem);
  }
  
  
  int register_embedding_op(void* arg)
  {
      struct method m;
  
      m.version = 1;
      m.init = init_op;
      m.release = release_op;
  
  
      return register_op(OP_EMBEDDING, OP_EMBEDDING_NAME, &m);
  }
  
  
  int unregister_embedding_op(void* arg)
  {
      return unregister_op(OP_EMBEDDING, 1);
  }
  