388 HP MLIB User’s Guide
F_SSPR2/F_DSPR2/F_CSPR2/F_ZSPR2 Symmetric rank-2 update
complex Hermitian matrix A, stored by columns in
packed form.
Output AP The upper or lower triangle of the updated A matrix, as
specified by uplo, replaces the input.
A αxy
T
αyx
T
βA with A=A
T
++←
