Calculates the LU factorisation of a complex banded matrix . Uses the LAPACK routine zgbtrf.
Type | Intent | Optional | Attributes | Name | ||
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type(banded_matrix_t), | intent(in) | :: | bandmatrix |
the banded -matrix on the left-hand side |
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complex(kind=dp), | intent(out), | allocatable | :: | LU(:,:) |
the LU factorisation of |
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integer, | intent(out), | allocatable | :: | ipiv(:) |
the pivoting information after factorisation |