mirror of
https://github.com/aykhans/AzSuicideDataVisualization.git
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121 lines
4.7 KiB
C++
121 lines
4.7 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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// Functions for converting between pandas's NumPy-based data representation
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// and Arrow data structures
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#pragma once
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#include "arrow/python/platform.h"
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#include <memory>
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#include <string>
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#include <vector>
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#include "arrow/buffer.h"
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#include "arrow/python/visibility.h"
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#include "arrow/sparse_tensor.h"
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namespace arrow {
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class DataType;
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class MemoryPool;
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class Status;
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class Tensor;
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namespace py {
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class ARROW_PYTHON_EXPORT NumPyBuffer : public Buffer {
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public:
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explicit NumPyBuffer(PyObject* arr);
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virtual ~NumPyBuffer();
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private:
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PyObject* arr_;
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};
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ARROW_PYTHON_EXPORT
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Status NumPyDtypeToArrow(PyObject* dtype, std::shared_ptr<DataType>* out);
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ARROW_PYTHON_EXPORT
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Status NumPyDtypeToArrow(PyArray_Descr* descr, std::shared_ptr<DataType>* out);
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ARROW_PYTHON_EXPORT Status NdarrayToTensor(MemoryPool* pool, PyObject* ao,
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const std::vector<std::string>& dim_names,
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std::shared_ptr<Tensor>* out);
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ARROW_PYTHON_EXPORT Status TensorToNdarray(const std::shared_ptr<Tensor>& tensor,
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PyObject* base, PyObject** out);
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ARROW_PYTHON_EXPORT Status
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SparseCOOTensorToNdarray(const std::shared_ptr<SparseCOOTensor>& sparse_tensor,
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PyObject* base, PyObject** out_data, PyObject** out_coords);
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Status SparseCSXMatrixToNdarray(const std::shared_ptr<SparseTensor>& sparse_tensor,
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PyObject* base, PyObject** out_data,
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PyObject** out_indptr, PyObject** out_indices);
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ARROW_PYTHON_EXPORT Status SparseCSRMatrixToNdarray(
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const std::shared_ptr<SparseCSRMatrix>& sparse_tensor, PyObject* base,
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PyObject** out_data, PyObject** out_indptr, PyObject** out_indices);
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ARROW_PYTHON_EXPORT Status SparseCSCMatrixToNdarray(
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const std::shared_ptr<SparseCSCMatrix>& sparse_tensor, PyObject* base,
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PyObject** out_data, PyObject** out_indptr, PyObject** out_indices);
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ARROW_PYTHON_EXPORT Status SparseCSFTensorToNdarray(
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const std::shared_ptr<SparseCSFTensor>& sparse_tensor, PyObject* base,
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PyObject** out_data, PyObject** out_indptr, PyObject** out_indices);
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ARROW_PYTHON_EXPORT Status NdarraysToSparseCOOTensor(
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MemoryPool* pool, PyObject* data_ao, PyObject* coords_ao,
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const std::vector<int64_t>& shape, const std::vector<std::string>& dim_names,
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std::shared_ptr<SparseCOOTensor>* out);
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ARROW_PYTHON_EXPORT Status NdarraysToSparseCSRMatrix(
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MemoryPool* pool, PyObject* data_ao, PyObject* indptr_ao, PyObject* indices_ao,
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const std::vector<int64_t>& shape, const std::vector<std::string>& dim_names,
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std::shared_ptr<SparseCSRMatrix>* out);
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ARROW_PYTHON_EXPORT Status NdarraysToSparseCSCMatrix(
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MemoryPool* pool, PyObject* data_ao, PyObject* indptr_ao, PyObject* indices_ao,
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const std::vector<int64_t>& shape, const std::vector<std::string>& dim_names,
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std::shared_ptr<SparseCSCMatrix>* out);
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ARROW_PYTHON_EXPORT Status NdarraysToSparseCSFTensor(
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MemoryPool* pool, PyObject* data_ao, PyObject* indptr_ao, PyObject* indices_ao,
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const std::vector<int64_t>& shape, const std::vector<int64_t>& axis_order,
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const std::vector<std::string>& dim_names, std::shared_ptr<SparseCSFTensor>* out);
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ARROW_PYTHON_EXPORT Status
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TensorToSparseCOOTensor(const std::shared_ptr<Tensor>& tensor,
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std::shared_ptr<SparseCOOTensor>* csparse_tensor);
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ARROW_PYTHON_EXPORT Status
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TensorToSparseCSRMatrix(const std::shared_ptr<Tensor>& tensor,
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std::shared_ptr<SparseCSRMatrix>* csparse_tensor);
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ARROW_PYTHON_EXPORT Status
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TensorToSparseCSCMatrix(const std::shared_ptr<Tensor>& tensor,
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std::shared_ptr<SparseCSCMatrix>* csparse_tensor);
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ARROW_PYTHON_EXPORT Status
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TensorToSparseCSFTensor(const std::shared_ptr<Tensor>& tensor,
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std::shared_ptr<SparseCSFTensor>* csparse_tensor);
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} // namespace py
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} // namespace arrow
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