libcudf  23.12.00
convert_floats.hpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2021-2023, 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>
20 
22 
23 namespace cudf {
24 namespace strings {
48 std::unique_ptr<column> to_floats(
49  strings_column_view const& strings,
50  data_type output_type,
53 
72 std::unique_ptr<column> from_floats(
73  column_view const& floats,
76 
98 std::unique_ptr<column> is_float(
99  strings_column_view const& input,
102  // end of doxygen group
104 } // namespace strings
105 } // namespace 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:227
Given a column-view of strings type, an instance of this class provides a wrapper on this compound co...
Class definition for cudf::column.
device_memory_resource * get_current_device_resource()
std::unique_ptr< column > is_float(strings_column_view const &input, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
Returns a boolean column identifying strings in which all characters are valid for conversion to floa...
std::unique_ptr< column > to_floats(strings_column_view const &strings, data_type output_type, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
Returns a new numeric column by parsing float values from each string in the provided strings column.
std::unique_ptr< column > from_floats(column_view const &floats, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
Returns a new strings column converting the float values from the provided column into strings.
cuDF interfaces
Definition: aggregation.hpp:34
rmm::cuda_stream_view const get_default_stream()
Get the current default stream.
Class definition for cudf::strings_column_view.