LAPACK  3.9.0
LAPACK: Linear Algebra PACKage
Functions/Subroutines
zsytf2.f File Reference

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Functions/Subroutines

subroutine zsytf2 (UPLO, N, A, LDA, IPIV, INFO)
 ZSYTF2 computes the factorization of a real symmetric indefinite matrix, using the diagonal pivoting method (unblocked algorithm). More...
 
disnan
logical function disnan(DIN)
DISNAN tests input for NaN.
Definition: disnan.f:61
izamax
integer function izamax(N, ZX, INCX)
IZAMAX
Definition: izamax.f:73
zsyr
subroutine zsyr(UPLO, N, ALPHA, X, INCX, A, LDA)
ZSYR performs the symmetric rank-1 update of a complex symmetric matrix.
Definition: zsyr.f:137
xerbla
subroutine xerbla(SRNAME, INFO)
XERBLA
Definition: xerbla.f:62
lsame
logical function lsame(CA, CB)
LSAME
Definition: lsame.f:55
zswap
subroutine zswap(N, ZX, INCX, ZY, INCY)
ZSWAP
Definition: zswap.f:83
zscal
subroutine zscal(N, ZA, ZX, INCX)
ZSCAL
Definition: zscal.f:80