wehub-resource-sync
34 lines
818 B
C++
34 lines
818 B
C++
/**
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* Copyright (c) 2022 by Contributors
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* @file sparse/softmax.h
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* @brief DGL C++ Softmax operator
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*/
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#ifndef SPARSE_SOFTMAX_H_
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#define SPARSE_SOFTMAX_H_
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#include <sparse/sparse_matrix.h>
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namespace dgl {
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namespace sparse {
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/**
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* @brief Apply softmax to the non-zero entries of the sparse matrix on the
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* dimension dim. dim = 0 or 1 indicates column-wise or row-wise softmax
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* respectively.
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*
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* This function supports autograd for the sparse matrix, but it does not
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* support higher order gradient.
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*
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* @param sparse_mat The sparse matrix
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* @param dim The dimension to apply softmax
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*
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* @return Sparse matrix
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*/
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c10::intrusive_ptr<SparseMatrix> Softmax(
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const c10::intrusive_ptr<SparseMatrix>& sparse_mat, int64_t dim);
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} // namespace sparse
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} // namespace dgl
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#endif // SPARSE_SOFTMAX_H_
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