// Copyright (c) 2022 PaddlePaddle Authors. 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 "paddle2onnx/mapper/tensor/nonzero.h"

namespace paddle2onnx {
REGISTER_MAPPER(where_index, NonZeroMapper)

void NonZeroMapper::Opset9() {
  auto input_info = GetInput("Condition");
  auto output_info = GetOutput("Out");
  auto non_zero_indices =
      helper_->MakeNode("NonZero", {input_info[0].name})->output(0);
  helper_->Transpose(non_zero_indices, output_info[0].name, {1, 0});
}

}  // namespace paddle2onnx