D1b5 : Addition, subtraction

F01CTF	Sum or difference of two real matrices, optional scaling and transposition
F01CWF	Sum or difference of two complex matrices, optional scaling and transposition
F06PMF	Rank-1 update, real rectangular matrix
F06PPF	Rank-1 update, real symmetric matrix
F06PQF	Rank-1 update, real symmetric packed matrix
F06PRF	Rank-2 update, real symmetric matrix
F06PSF	Rank-2 update, real symmetric packed matrix
F06SMF	Rank-1 update, complex rectangular matrix, unconjugated vector
F06SNF	Rank-1 update, complex rectangular matrix, conjugated vector
F06SPF	Rank-1 update, complex Hermitian matrix
F06SQF	Rank-1 update, complex Hermitian packed matrix
F06SRF	Rank-2 update, complex Hermitian matrix
F06SSF	Rank-2 update, complex Hermitian packed matrix
F06TBF	Rank-1 update, complex symmetric matrix
F06TDF	Rank-1 update, complex symmetric packed matrix
F06WCF	Rank- $k$ update of a real symmetric matrix, Rectangular Full Packed format
F06WQF	Rank- $k$ update of a complex Hermitian matrix, Rectangular Full Packed format
F06YPF	Rank- $k$ update of a real symmetric matrix
F06ZPF	Rank- $k$ update of a complex Hermitian matrix
F06ZRF	Rank- $2 k$ update of a complex Hermitian matrix
F06ZUF	Rank- $k$ update of a complex symmetric matrix
F06ZWF	Rank- $2 k$ update of a complex symmetric matrix