text: /*******************************************************************************
   * Copyright (c) 2015-2018 Skymind, Inc.
   *
   * This program and the accompanying materials are made available under the
   * terms of the Apache License, Version 2.0 which is available at
   * https://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.
   *
   * SPDX-License-Identifier: Apache-2.0
   ******************************************************************************/
  
  //
  // @author, Yurii Shyrma (iuriish@yahoo.com), created on 06.12.2017
  //
  
  #include <op_boilerplate.h>
  #if NOT_EXCLUDED(OP_invert_permutation)
  
  #include <ops/declarable/CustomOperations.h>
  #include<ops/declarable/helpers/transforms.h>
  
  namespace nd4j {
  namespace ops  {
  
  ////////////////////////////////////////////////////////////////////////
  CONFIGURABLE_OP_IMPL(invert_permutation, 1, 1, false, 0, 0) {
      
      NDArray<T>* input = INPUT_VARIABLE(0);
      NDArray<T>* output = OUTPUT_VARIABLE(0);
  
      REQUIRE_TRUE(input->isVector(), 0 , "INVERT_PERMUTATION op: input array must be vector, but got shape %s instead !", ShapeUtils<T>::shapeAsString(input).c_str());
      
      helpers::invertPermutation(*input, *output);
      
      return Status::OK();
  }
          
  DECLARE_SYN(InvertPermutation, invert_permutation);
  
  
  }
  }
  
  #endif