reshape.hpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2020-2024, 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 
17 #pragma once
18 
19 #include <cudf/column/column.hpp>
21 #include <cudf/types.hpp>
22 
23 #include <rmm/mr/device/per_device_resource.hpp>
24 #include <rmm/resource_ref.hpp>
25 
26 #include <memory>
27 
28 namespace cudf {
54 std::unique_ptr<column> interleave_columns(
55  table_view const& input,
56  rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
57 
76 std::unique_ptr<table> tile(
77  table_view const& input,
78  size_type count,
79  rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
80 
84 enum class flip_endianness : bool { NO, YES };
85 
101 std::unique_ptr<column> byte_cast(
102  column_view const& input_column,
103  flip_endianness endian_configuration,
104  rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
105  // end of group
107 
108 } // namespace cudf
A non-owning, immutable view of device data as a column of elements, some of which may be null as ind...
A set of cudf::column_view's of the same size.
Definition: table_view.hpp:187
Class definition for cudf::column.
flip_endianness
Configures whether byte casting flips endianness.
Definition: reshape.hpp:84
std::unique_ptr< column > interleave_columns(table_view const &input, rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Interleave columns of a table into a single column.
std::unique_ptr< column > byte_cast(column_view const &input_column, flip_endianness endian_configuration, rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Converts a column's elements to lists of bytes.
std::unique_ptr< table > tile(table_view const &input, size_type count, rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Repeats the rows from input table count times to form a new table.
int32_t size_type
Row index type for columns and tables.
Definition: types.hpp:93
cuDF interfaces
Definition: aggregation.hpp:34
Class definitions for (mutable)_table_view
Type declarations for libcudf.