convert_floats.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>
10 
11 namespace CUDF_EXPORT cudf {
12 namespace strings {
36 std::unique_ptr<column> to_floats(
37  strings_column_view const& strings,
38  data_type output_type,
41 
60 std::unique_ptr<column> from_floats(
61  column_view const& floats,
64 
86 std::unique_ptr<column> is_float(
87  strings_column_view const& input,
90  // end of doxygen group
92 } // namespace strings
93 } // 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:238
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.
detail::cccl_async_resource_ref< cuda::mr::resource_ref< cuda::mr::device_accessible > > device_async_resource_ref
std::unique_ptr< column > from_floats(column_view const &floats, 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 float values from the provided column into strings.
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::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Returns a new numeric column by parsing float values from each string in the provided strings column.
std::unique_ptr< column > is_float(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 floa...
cuDF interfaces
Definition: host_udf.hpp:26
Class definition for cudf::strings_column_view.