int HYPRE_IJMatrixAddToValues (HYPRE_IJMatrix matrix, int nrows, int *ncols, const int *rows, const int *cols, const double *values) Adds to values for nrows 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.alphabetic index hierarchy of classesNot collective.
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