int HYPRE_IJMatrixGetRowCounts

(HYPRE_IJMatrix matrix, int nrows,
  int* rows, int* ncols)

Gets number of nonzeros elements for nrows rows specified in rows and returns them in ncols, which needs to be allocated by the user

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Gets number of nonzeros elements for nrows rows specified in rows and returns them in ncols, which needs to be allocated by the user

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