// Licensed to the LF AI & Data foundation 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.

#pragma once

namespace VectorDB {

/**
 * @brief Supported metric types.
 */
enum class MetricType {
    INVALID,
    L2,
    IP,
    COSINE,
    // The following values are for binary vectors
    HAMMING,
    JACCARD,

    // Note: in milvus 2.4+, TANIMOTO/SUBSTRUCTURE/SUPERSTRUCTURE have been deprecated
};
}  // namespace VectorDB
