convert_integers.hpp
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1 /*
2  * SPDX-FileCopyrightText: Copyright (c) 2021-2024, NVIDIA CORPORATION.
3  * SPDX-License-Identifier: Apache-2.0
4  */
5 #pragma once
6 
7 #include <cudf/column/column.hpp>
8 #include <cudf/strings/strings_column_view.hpp>
9 #include <cudf/utilities/memory_resource.hpp>
10 
11 namespace CUDF_EXPORT cudf {
12 namespace strings {
43 std::unique_ptr<column> to_integers(
44  strings_column_view const& input,
45  data_type output_type,
46  rmm::cuda_stream_view stream = cudf::get_default_stream(),
47  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
48 
65 std::unique_ptr<column> from_integers(
66  column_view const& integers,
67  rmm::cuda_stream_view stream = cudf::get_default_stream(),
68  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
69 
94 std::unique_ptr<column> is_integer(
95  strings_column_view const& input,
96  rmm::cuda_stream_view stream = cudf::get_default_stream(),
97  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
98 
127 std::unique_ptr<column> is_integer(
128  strings_column_view const& input,
129  data_type int_type,
130  rmm::cuda_stream_view stream = cudf::get_default_stream(),
131  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
132 
157 std::unique_ptr<column> hex_to_integers(
158  strings_column_view const& input,
159  data_type output_type,
160  rmm::cuda_stream_view stream = cudf::get_default_stream(),
161  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
162 
185 std::unique_ptr<column> is_hex(
186  strings_column_view const& input,
187  rmm::cuda_stream_view stream = cudf::get_default_stream(),
188  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
189 
218 std::unique_ptr<column> integers_to_hex(
219  column_view const& input,
220  rmm::cuda_stream_view stream = cudf::get_default_stream(),
221  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
222  // end of doxygen group
224 } // namespace strings
225 } // namespace CUDF_EXPORT cudf
cudf::column_view
A non-owning, immutable view of device data as a column of elements, some of which may be null as ind...
Definition: column_view.hpp:316
cudf::data_type
Indicator for the logical data type of an element in a column.
Definition: types.hpp:238
cudf::strings_column_view
Given a column-view of strings type, an instance of this class provides a wrapper on this compound co...
Definition: strings_column_view.hpp:27
rmm::cuda_stream_view
column.hpp
Class definition for cudf::column.
cudf::get_default_stream
rmm::cuda_stream_view const get_default_stream()
Get the current default stream.
cudf::get_current_device_resource_ref
rmm::device_async_resource_ref get_current_device_resource_ref()
Get the current device memory resource reference.
Definition: memory_resource.hpp:40
device_async_resource_ref
detail::cccl_async_resource_ref< cuda::mr::resource_ref< cuda::mr::device_accessible > > device_async_resource_ref
cudf::strings::is_hex
std::unique_ptr< column > is_hex(strings_column_view const &input, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Returns a boolean column identifying strings in which all characters are valid for conversion to inte...
cudf::strings::to_integers
std::unique_ptr< column > to_integers(strings_column_view const &input, data_type output_type, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Returns a new integer numeric column parsing integer values from the provided strings column.
cudf::strings::integers_to_hex
std::unique_ptr< column > integers_to_hex(column_view const &input, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Returns a new strings column converting integer columns to hexadecimal characters.
cudf::strings::is_integer
std::unique_ptr< column > is_integer(strings_column_view const &input, data_type int_type, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Returns a boolean column identifying strings in which all characters are valid for conversion to inte...
cudf::strings::hex_to_integers
std::unique_ptr< column > hex_to_integers(strings_column_view const &input, data_type output_type, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Returns a new integer numeric column parsing hexadecimal values from the provided strings column.
cudf::strings::from_integers
std::unique_ptr< column > from_integers(column_view const &integers, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Returns a new strings column converting the integer values from the provided column into strings.
memory_resource.hpp
cudf
cuDF interfaces
Definition: host_udf.hpp:26
strings_column_view.hpp
Class definition for cudf::strings_column_view.
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