cpp/src/parquet/level_comparison.h

// Licensed to the Apache Software Foundation (ASF) 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
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// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
#pragma once

#include <algorithm>
#include <cstdint>

#include "parquet/platform.h"

namespace parquet::internal {

/// Builds a  bitmap where each set bit indicates the corresponding level is greater
/// than rhs.
uint64_t PARQUET_EXPORT GreaterThanBitmap(const int16_t* levels, int64_t num_levels,
                                          int16_t rhs);

struct MinMax {
  int16_t min;
  int16_t max;
};

MinMax FindMinMax(const int16_t* levels, int64_t num_levels);

}  // namespace parquet::internal