LAPACK  3.9.0
LAPACK: Linear Algebra PACKage
Functions/Subroutines
ssytd2.f File Reference

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Functions/Subroutines

subroutine ssytd2 (UPLO, N, A, LDA, D, E, TAU, INFO)
 SSYTD2 reduces a symmetric matrix to real symmetric tridiagonal form by an orthogonal similarity transformation (unblocked algorithm). More...
 
ssyr2
subroutine ssyr2(UPLO, N, ALPHA, X, INCX, Y, INCY, A, LDA)
SSYR2
Definition: ssyr2.f:149
slarfg
subroutine slarfg(N, ALPHA, X, INCX, TAU)
SLARFG generates an elementary reflector (Householder matrix).
Definition: slarfg.f:108
xerbla
subroutine xerbla(SRNAME, INFO)
XERBLA
Definition: xerbla.f:62
sdot
real function sdot(N, SX, INCX, SY, INCY)
SDOT
Definition: sdot.f:84
ssymv
subroutine ssymv(UPLO, N, ALPHA, A, LDA, X, INCX, BETA, Y, INCY)
SSYMV
Definition: ssymv.f:154
lsame
logical function lsame(CA, CB)
LSAME
Definition: lsame.f:55
saxpy
subroutine saxpy(N, SA, SX, INCX, SY, INCY)
SAXPY
Definition: saxpy.f:91