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venv/lib/python3.10/site-packages/pyarrow/include/parquet/xxhasher.h

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+// 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
+// "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
+
+#include <cstdint>
+
+#include "parquet/hasher.h"
+#include "parquet/platform.h"
+#include "parquet/types.h"
+
+namespace parquet {
+
+class PARQUET_EXPORT XxHasher : public Hasher {
+ public:
+  uint64_t Hash(int32_t value) const override;
+  uint64_t Hash(int64_t value) const override;
+  uint64_t Hash(float value) const override;
+  uint64_t Hash(double value) const override;
+  uint64_t Hash(const Int96* value) const override;
+  uint64_t Hash(const ByteArray* value) const override;
+  uint64_t Hash(const FLBA* val, uint32_t len) const override;
+
+  void Hashes(const int32_t* values, int num_values, uint64_t* hashes) const override;
+  void Hashes(const int64_t* values, int num_values, uint64_t* hashes) const override;
+  void Hashes(const float* values, int num_values, uint64_t* hashes) const override;
+  void Hashes(const double* values, int num_values, uint64_t* hashes) const override;
+  void Hashes(const Int96* values, int num_values, uint64_t* hashes) const override;
+  void Hashes(const ByteArray* values, int num_values, uint64_t* hashes) const override;
+  void Hashes(const FLBA* values, uint32_t type_len, int num_values,
+              uint64_t* hashes) const override;
+
+  static constexpr int kParquetBloomXxHashSeed = 0;
+};
+
+}  // namespace parquet