LAPACK  3.9.0
LAPACK: Linear Algebra PACKage
Functions/Subroutines
dlaqp2.f File Reference

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Functions/Subroutines

subroutine dlaqp2 (M, N, OFFSET, A, LDA, JPVT, TAU, VN1, VN2, WORK)
 DLAQP2 computes a QR factorization with column pivoting of the matrix block. More...
 
idamax
integer function idamax(N, DX, INCX)
IDAMAX
Definition: idamax.f:73
dlarfg
subroutine dlarfg(N, ALPHA, X, INCX, TAU)
DLARFG generates an elementary reflector (Householder matrix).
Definition: dlarfg.f:108
dnrm2
double precision function dnrm2(N, X, INCX)
DNRM2
Definition: dnrm2.f:76
dlarf
subroutine dlarf(SIDE, M, N, V, INCV, TAU, C, LDC, WORK)
DLARF applies an elementary reflector to a general rectangular matrix.
Definition: dlarf.f:126
dswap
subroutine dswap(N, DX, INCX, DY, INCY)
DSWAP
Definition: dswap.f:84
dlamch
double precision function dlamch(CMACH)
DLAMCH
Definition: dlamch.f:70