16 lines
804 B
Diff
16 lines
804 B
Diff
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diff -rupN ceres-solver-1.13.0/internal/ceres/compressed_row_sparse_matrix.cc ceres-solver-1.13.0-new/internal/ceres/compressed_row_sparse_matrix.cc
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--- ceres-solver-1.13.0/internal/ceres/compressed_row_sparse_matrix.cc 2017-08-03 09:10:55.000000000 +0200
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+++ ceres-solver-1.13.0-new/internal/ceres/compressed_row_sparse_matrix.cc 2018-07-28 22:31:51.989682309 +0200
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@@ -196,6 +196,11 @@ CompressedRowSparseMatrix* CompressedRow
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CompressedRowSparseMatrix* output =
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new CompressedRowSparseMatrix(num_rows, num_cols, input.num_nonzeros());
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+ if (num_rows == 0) {
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+ // No data to copy.
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+ return output;
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+ }
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+
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// Copy the contents of the cols and values array in the order given
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// by index and count the number of entries in each row.
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int* output_rows = output->mutable_rows();
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