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

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Functions/Subroutines

subroutine zhsein (SIDE, EIGSRC, INITV, SELECT, N, H, LDH, W, VL, LDVL, VR, LDVR, MM, M, WORK, RWORK, IFAILL, IFAILR, INFO)
 ZHSEIN More...
 
disnan
logical function disnan(DIN)
DISNAN tests input for NaN.
Definition: disnan.f:61
xerbla
subroutine xerbla(SRNAME, INFO)
XERBLA
Definition: xerbla.f:62
lsame
logical function lsame(CA, CB)
LSAME
Definition: lsame.f:55
zlaein
subroutine zlaein(RIGHTV, NOINIT, N, H, LDH, W, V, B, LDB, RWORK, EPS3, SMLNUM, INFO)
ZLAEIN computes a specified right or left eigenvector of an upper Hessenberg matrix by inverse iterat...
Definition: zlaein.f:151
zlanhs
double precision function zlanhs(NORM, N, A, LDA, WORK)
ZLANHS returns the value of the 1-norm, Frobenius norm, infinity-norm, or the largest absolute value ...
Definition: zlanhs.f:111
dlamch
double precision function dlamch(CMACH)
DLAMCH
Definition: dlamch.f:70