int HYPRE_SStructMatrixGetBoxValues (HYPRE_SStructMatrix matrix, int part, int *ilower, int *iupper, int var, int nentries, int *entries, double *values)

Get matrix coefficients a box at a time

Documentation

Get matrix coefficients a box at a time. The data in values is ordered as in HYPRE_SStructMatrixSetBoxValues.

NOTE: Users may get values on any process that owns the associated variables.

NOTE: The entries in this routine must all be of stencil type. Also, they must all represent couplings to the same variable type.

If the matrix is complex, then values consists of pairs of doubles representing the real and imaginary parts of each complex value.

See Also:
HYPRE_SStructMatrixSetComplex

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