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80 lines
2.8 KiB
80 lines
2.8 KiB
/* Copyright (c) 2016 Baidu, Inc. All Rights Reserve.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#ifndef HL_TABLE_APPLY_H_
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#define HL_TABLE_APPLY_H_
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/**
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* @brief Get row from table.
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* output[i] += table[ids[i]]
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* if ids[i] == -1, it will be ignored
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*
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* @param[out] output output matrix.
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* @param[in] ldo leading dimension of output.
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* @param[in] table table matrix.
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* @param[in] ldt leading dimension of table.
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* @param[in] ids ids vector.
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* @param[in] numSamples height of output.
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* @param[in] tableSize height of table.
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* @param[in] dim width of table.
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*
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*/
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extern void hl_matrix_select_rows(real* output, int ldo,
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real* table, int ldt,
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int* ids,
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int numSamples,
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int tableSize,
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int dim);
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/**
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* @brief Add row to table.
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* table[ids[i]] += output[i]
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* if ids[i] == -1, it will be ignored
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*
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* @param[out] table table matrix.
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* @param[in] ldt leading dimension of table.
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* @param[in] input input matrix.
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* @param[in] ldi leading dimension of input.
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* @param[in] ids ids vector.
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* @param[in] numSamples height of input.
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* @param[in] tableSize height of table.
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* @param[in] dim width of table.
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*
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*/
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extern void hl_matrix_add_to_rows(real* table, int ldt,
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real* input, int ldi,
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int* ids,
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int numSamples,
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int tableSize,
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int dim);
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/**
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* @brief Select element from vector.
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*
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* @param[out] dst output vector.
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* @param[in] sized size of dst.
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* @param[in] src input vector.
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* @param[in] sizes size of src.
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* @param[in] ids index vector.
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* @param[in] sizei size of ids.
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*
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*/
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template <class T>
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extern void hl_vector_select_from(T* dst, int sized,
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const T* src, int sizes,
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const int* ids, int sizei);
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#endif /* HL_TABLE_APPLY_H_ */
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