/**
 * Copyright 2019 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 "pipeline/static_analysis/prim.h"
#include "operator/ops.h"
#include "pipeline/static_analysis/utils.h"
#include "pipeline/static_analysis/param_validator.h"
#include "common/utils.h"

namespace mindspore {
namespace abstract {
AbstractBasePtr InferImplMinOrMaxGrad(const AnalysisEnginePtr &, const PrimitivePtr &primitive,
                                      const AbstractBasePtrList &args_spec_list) {
  // Inputs: three tensors.
  const std::string op_name = primitive->name();
  CheckArgsSize(op_name, args_spec_list, 3);
  auto input_x = CheckArg<AbstractTensor>(op_name, args_spec_list, 0);
  auto input_y = CheckArg<AbstractTensor>(op_name, args_spec_list, 1);
  auto dout = CheckArg<AbstractTensor>(op_name, args_spec_list, 2);
  (void)CheckTensorsDTypeSame({input_x, input_y, dout}, {kInt, kUInt, kFloat},
                              op_name + "evaluator three inputs should be %s");

  AbstractBasePtr dx = input_x->Broaden();
  AbstractBasePtr dy = input_y->Broaden();

  return std::make_shared<AbstractTuple>(AbstractBasePtrList({dx, dy}));
}
}  // namespace abstract
}  // namespace mindspore