convert_integers.hpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2021-2024, NVIDIA CORPORATION.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #pragma once
17 
18 #include <cudf/column/column.hpp>
21 
22 namespace CUDF_EXPORT cudf {
23 namespace strings {
54 std::unique_ptr<column> to_integers(
55  strings_column_view const& input,
56  data_type output_type,
59 
76 std::unique_ptr<column> from_integers(
77  column_view const& integers,
80 
105 std::unique_ptr<column> is_integer(
106  strings_column_view const& input,
109 
138 std::unique_ptr<column> is_integer(
139  strings_column_view const& input,
140  data_type int_type,
143 
168 std::unique_ptr<column> hex_to_integers(
169  strings_column_view const& input,
170  data_type output_type,
173 
196 std::unique_ptr<column> is_hex(
197  strings_column_view const& input,
200 
229 std::unique_ptr<column> integers_to_hex(
230  column_view const& input,
233  // end of doxygen group
235 } // namespace strings
236 } // namespace CUDF_EXPORT cudf
A non-owning, immutable view of device data as a column of elements, some of which may be null as ind...
Indicator for the logical data type of an element in a column.
Definition: types.hpp:243
Given a column-view of strings type, an instance of this class provides a wrapper on this compound co...
Class definition for cudf::column.
rmm::cuda_stream_view const get_default_stream()
Get the current default stream.
rmm::device_async_resource_ref get_current_device_resource_ref()
Get the current device memory resource reference.
cuda::mr::async_resource_ref< cuda::mr::device_accessible > device_async_resource_ref
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...
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.
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.
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...
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.
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.
cuDF interfaces
Definition: host_udf.hpp:39
Class definition for cudf::strings_column_view.