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

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Functions/Subroutines

subroutine dlaein (RIGHTV, NOINIT, N, H, LDH, WR, WI, VR, VI, B, LDB, WORK, EPS3, SMLNUM, BIGNUM, INFO)
 DLAEIN computes a specified right or left eigenvector of an upper Hessenberg matrix by inverse iteration. More...
 
dlatrs
subroutine dlatrs(UPLO, TRANS, DIAG, NORMIN, N, A, LDA, X, SCALE, CNORM, INFO)
DLATRS solves a triangular system of equations with the scale factor set to prevent overflow.
Definition: dlatrs.f:240
idamax
integer function idamax(N, DX, INCX)
IDAMAX
Definition: idamax.f:73
dlapy2
double precision function dlapy2(X, Y)
DLAPY2 returns sqrt(x2+y2).
Definition: dlapy2.f:65
dnrm2
double precision function dnrm2(N, X, INCX)
DNRM2
Definition: dnrm2.f:76
dladiv
subroutine dladiv(A, B, C, D, P, Q)
DLADIV performs complex division in real arithmetic, avoiding unnecessary overflow.
Definition: dladiv.f:93
dasum
double precision function dasum(N, DX, INCX)
DASUM
Definition: dasum.f:73
dscal
subroutine dscal(N, DA, DX, INCX)
DSCAL
Definition: dscal.f:81