2019-06-06 14:21:15 +02:00
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/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// @author George A. Shulinok <sgazeos@gmail.com>, created on 4/18/2019
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//
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#ifndef LIBND4J_BARNES_HUT_TSNE_HELPERS_H
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#define LIBND4J_BARNES_HUT_TSNE_HELPERS_H
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#include <ops/declarable/helpers/helpers.h>
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2020-03-02 10:49:41 +01:00
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namespace sd {
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2019-06-06 14:21:15 +02:00
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namespace ops {
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namespace helpers {
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Nd4jLong barnes_row_count(const NDArray* rowP, const NDArray* colP, Nd4jLong N, NDArray& rowCounts);
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void barnes_symmetrize(const NDArray* rowP, const NDArray* colP, const NDArray* valP, Nd4jLong N, NDArray* outputRows, NDArray* outputCols, NDArray* outputVals, NDArray* rowCounts = nullptr);
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void barnes_edge_forces(const NDArray* rowP, NDArray const* colP, NDArray const* valP, int N, NDArray* output, NDArray const& data);
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void barnes_gains(NDArray* input, NDArray* gradX, NDArray* epsilon, NDArray* output);
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bool cell_contains(NDArray* corner, NDArray* width, NDArray* point, Nd4jLong dimension);
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}
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}
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}
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#endif //LIBND4J_ACTIVATIONS_H
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