/**
 * Copyright 2020-2021 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 "ops/abs.h"
#include <string>
#include <algorithm>
#include <memory>
#include <set>
#include <map>
#include <vector>
#include "ops/op_utils.h"
#include "utils/check_convert_utils.h"
#include "abstract/primitive_infer_map.h"

namespace mindspore {
namespace ops {
namespace {
abstract::ShapePtr InferShape(const PrimitivePtr &primitive, const std::vector<AbstractBasePtr> &input_args) {
  auto in_shape = CheckAndConvertUtils::ConvertShapePtrToShapeMap(input_args[0]->GetShapeTrack())[kShape];
  return std::make_shared<abstract::Shape>(in_shape);
}

TypePtr InferType(const PrimitivePtr &prim, const std::vector<AbstractBasePtr> &input_args) {
  std::map<std::string, TypePtr> types;
  (void)types.emplace("input_x", input_args[0]->BuildType());
  return CheckAndConvertUtils::CheckTensorTypeSame(types, common_valid_types, prim->name());
}
}  // namespace

AbstractBasePtr AbsInfer(const abstract::AnalysisEnginePtr &, const PrimitivePtr &primitive,
                         const std::vector<AbstractBasePtr> &input_args) {
  MS_EXCEPTION_IF_NULL(primitive);
  const int64_t input_num = 1;
  CheckAndConvertUtils::CheckInputArgs(input_args, kEqual, input_num, primitive->name());
  return std::make_shared<abstract::AbstractTensor>(InferType(primitive, input_args),
                                                    InferShape(primitive, input_args));
}
REGISTER_PRIMITIVE_C(kNameAbs, Abs);
}  // namespace ops
}  // namespace mindspore