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#pragma clang system_header
// 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 "contrib/libs/apache/arrow_next/cpp/src/arrow/sparse_tensor.h" // IWYU pragma: export
#include <memory>
namespace arrow20 {
namespace internal {
struct SparseTensorConverterMixin {
static bool IsNonZero(const uint8_t val) { return val != 0; }
static void AssignIndex(uint8_t* indices, int64_t val, const int elsize);
static int64_t GetIndexValue(const uint8_t* value_ptr, const int elsize);
};
Status MakeSparseCOOTensorFromTensor(const Tensor& tensor,
const std::shared_ptr<DataType>& index_value_type,
MemoryPool* pool,
std::shared_ptr<SparseIndex>* out_sparse_index,
std::shared_ptr<Buffer>* out_data);
Status MakeSparseCSXMatrixFromTensor(SparseMatrixCompressedAxis axis,
const Tensor& tensor,
const std::shared_ptr<DataType>& index_value_type,
MemoryPool* pool,
std::shared_ptr<SparseIndex>* out_sparse_index,
std::shared_ptr<Buffer>* out_data);
Status MakeSparseCSFTensorFromTensor(const Tensor& tensor,
const std::shared_ptr<DataType>& index_value_type,
MemoryPool* pool,
std::shared_ptr<SparseIndex>* out_sparse_index,
std::shared_ptr<Buffer>* out_data);
Result<std::shared_ptr<Tensor>> MakeTensorFromSparseCOOTensor(
MemoryPool* pool, const SparseCOOTensor* sparse_tensor);
Result<std::shared_ptr<Tensor>> MakeTensorFromSparseCSRMatrix(
MemoryPool* pool, const SparseCSRMatrix* sparse_tensor);
Result<std::shared_ptr<Tensor>> MakeTensorFromSparseCSCMatrix(
MemoryPool* pool, const SparseCSCMatrix* sparse_tensor);
Result<std::shared_ptr<Tensor>> MakeTensorFromSparseCSFTensor(
MemoryPool* pool, const SparseCSFTensor* sparse_tensor);
} // namespace internal
} // namespace arrow20
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