LAPACK  3.9.0
LAPACK: Linear Algebra PACKage
dlasq1.f File Reference

Go to the source code of this file.

Functions/Subroutines

subroutine dlasq1 (N, D, E, WORK, INFO)
 DLASQ1 computes the singular values of a real square bidiagonal matrix. Used by sbdsqr. More...
 
dlascl
subroutine dlascl(TYPE, KL, KU, CFROM, CTO, M, N, A, LDA, INFO)
DLASCL multiplies a general rectangular matrix by a real scalar defined as cto/cfrom.
Definition: dlascl.f:145
dcopy
subroutine dcopy(N, DX, INCX, DY, INCY)
DCOPY
Definition: dcopy.f:84
dlasq2
subroutine dlasq2(N, Z, INFO)
DLASQ2 computes all the eigenvalues of the symmetric positive definite tridiagonal matrix associated ...
Definition: dlasq2.f:114
dlas2
subroutine dlas2(F, G, H, SSMIN, SSMAX)
DLAS2 computes singular values of a 2-by-2 triangular matrix.
Definition: dlas2.f:109
xerbla
subroutine xerbla(SRNAME, INFO)
XERBLA
Definition: xerbla.f:62
dlasrt
subroutine dlasrt(ID, N, D, INFO)
DLASRT sorts numbers in increasing or decreasing order.
Definition: dlasrt.f:90
dlamch
double precision function dlamch(CMACH)
DLAMCH
Definition: dlamch.f:70