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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,11 @@ | ||
| #!/usr/bin/env bash | ||
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| export BUILD_ABI=1 | ||
| export BUILD_CUDF=1 | ||
| export BUILD_CFFI=1 | ||
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| if [[ "$PYTHON" == "3.6" ]]; then | ||
| export BUILD_LIBCUDF=1 | ||
| else | ||
| export BUILD_LIBCUDF=0 | ||
| fi |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,93 @@ | ||
| /* | ||
| * Copyright (c) 2018-2019, NVIDIA CORPORATION. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| #ifndef COPYING_HPP | ||
| #define COPYING_HPP | ||
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| #include "cudf.h" | ||
| #include "types.hpp" | ||
|
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| namespace cudf { | ||
| /** | ||
| * @brief Scatters the rows (including null values) of a set of source columns | ||
| * into a set of destination columns. | ||
| * | ||
| * The two sets of columns must have equal numbers of columns. | ||
| * | ||
| * Scatters the rows of the source columns into the destination columns | ||
| * according to a scatter map such that row "i" from the source columns will be | ||
| * scattered to row "scatter_map[i]" in the destination columns. | ||
| * | ||
| * The datatypes between coresponding columns in the source and destination | ||
| * columns must be the same. | ||
| * | ||
| * The number of elements in the scatter_map must equal the number of rows in | ||
| * the source columns. | ||
| * | ||
| * If any index in scatter_map is outside the range of [0, num rows in | ||
| * destination_columns), the result is undefined. | ||
| * | ||
| * If the same index appears more than once in scatter_map, the result is | ||
| * undefined. | ||
| * | ||
| * @Param[in] source_table The columns whose rows will be scattered | ||
| * @Param[in] scatter_map An array that maps rows in the input columns | ||
| * to rows in the output columns. | ||
| * @Param[out] destination_table A preallocated set of columns with a number | ||
| * of rows equal in size to the maximum index contained in scatter_map | ||
| * | ||
| * @Returns GDF_SUCCESS upon successful completion | ||
| */ | ||
| void scatter(table const* source_table, gdf_index_type const scatter_map[], | ||
| table* destination_table); | ||
|
|
||
| /** | ||
| * @brief Gathers the rows (including null values) of a set of source columns | ||
| * into a set of destination columns. | ||
| * | ||
| * The two sets of columns must have equal numbers of columns. | ||
| * | ||
| * Gathers the rows of the source columns into the destination columns according | ||
| * to a gather map such that row "i" in the destination columns will contain | ||
| * row "gather_map[i]" from the source columns. | ||
| * | ||
| * The datatypes between coresponding columns in the source and destination | ||
| * columns must be the same. | ||
| * | ||
| * The number of elements in the gather_map must equal the number of rows in the | ||
| * destination columns. | ||
| * | ||
| * If any index in the gather_map is outside the range [0, num rows in | ||
| * source_columns), the result is undefined. | ||
| * | ||
| * If the same index appears more than once in gather_map, the result is | ||
| * undefined. | ||
| * | ||
| * @param[in] source_table The input columns whose rows will be gathered | ||
| * @param[in] gather_map An array of indices that maps the rows in the source | ||
| * columns to rows in the destination columns. | ||
| * @param[out] destination_table A preallocated set of columns with a number | ||
| * of rows equal in size to the number of elements in the gather_map that will | ||
| * contain the rearrangement of the source columns based on the mapping. Can be | ||
| * the same as `source_table` (in-place gather). | ||
| * | ||
| * @Returns GDF_SUCCESS upon successful completion | ||
| */ | ||
| void gather(table const* source_table, gdf_index_type const gather_map[], | ||
| table* destination_table); | ||
| } // namespace cudf | ||
|
|
||
| #endif // COPYING_H |
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