int HYPRE_IJMatrixAddToValues (HYPRE_IJMatrix matrix, int nrows, int *ncols, const int *rows, const int *cols, const double *values)

Adds to values for nrows rows or partial rows of the matrix

Documentation

Adds to values for nrows rows or partial rows of the matrix. Usage details are analogous to HYPRE_IJMatrixSetValues. Adds to any previous values at the specified locations, or, if there was no value there before, inserts a new one.

Not collective.

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