is_within_band Function

private pure function is_within_band(matrix, row, col)

Checks if a given position (row, col) is within the banded structure, i.e. $$max(1, col - ku) \leq row \leq min(m, col + kl)$$ with $ku$ the number of superdiagonals and $kl$ the number of subdiagonals.

Arguments

Type	Intent	Optional	Attributes		Name
type(banded_matrix_t),	intent(in)			::	matrix	the banded matrix structure
integer,	intent(in)			::	row	row index
integer,	intent(in)			::	col	column index

Return Value logical

Contents

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