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) 2020, OPEN AI LAB
   * Author: sqfu@openailab.com
   */
  
  #include <stdio.h>
  #include <assert.h>
  #include "sys_port.h"
  #include "tengine_ir.h"
  #include "tengine_errno.h"
  #include "tengine_log.h"
  #include "tengine_op.h"
  #include "parameter.h"
  
  static int infer_shape(struct ir_node* node)
  {
      struct ir_graph* ir_graph = node->graph;
      struct ir_tensor* input = get_ir_graph_tensor(ir_graph, node->input_tensors[0]);
      struct ir_tensor* output = get_ir_graph_tensor(ir_graph, node->output_tensors[0]);
  
      set_ir_tensor_shape(output, input->dims, input->dim_num);
  
      return 0;
  }
  
  static int init_op(struct ir_op* op)
  {
      op->same_shape = 0;
      op->infer_shape = infer_shape;
  
      return 0;
  }
  
  static void release_op(struct ir_op* op)
  {
  }
  
  static int register_sigmoid_op(void* arg)
  {
      struct op_method m;
  
      m.op_version = 1;
      m.init_op = init_op;
      m.release_op = release_op;
  
      return register_op(OP_SIGMOID, OP_SIGMOID_NAME, &m);
  }
  
  static int unregister_sigmoid_op(void* arg)
  {
      return unregister_op(OP_SIGMOID, 1);
  }
  
  AUTO_REGISTER_OP(register_sigmoid_op);
  AUTO_UNREGISTER_OP(unregister_sigmoid_op);
  