LAPACK  3.9.0
LAPACK: Linear Algebra PACKage
Functions/Subroutines
zlaqp2.f File Reference

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Functions/Subroutines

subroutine zlaqp2 (M, N, OFFSET, A, LDA, JPVT, TAU, VN1, VN2, WORK)
 ZLAQP2 computes a QR factorization with column pivoting of the matrix block. More...
 
idamax
integer function idamax(N, DX, INCX)
IDAMAX
Definition: idamax.f:73
zlarf
subroutine zlarf(SIDE, M, N, V, INCV, TAU, C, LDC, WORK)
ZLARF applies an elementary reflector to a general rectangular matrix.
Definition: zlarf.f:130
dznrm2
double precision function dznrm2(N, X, INCX)
DZNRM2
Definition: dznrm2.f:77
zswap
subroutine zswap(N, ZX, INCX, ZY, INCY)
ZSWAP
Definition: zswap.f:83
zlarfg
subroutine zlarfg(N, ALPHA, X, INCX, TAU)
ZLARFG generates an elementary reflector (Householder matrix).
Definition: zlarfg.f:108
dlamch
double precision function dlamch(CMACH)
DLAMCH
Definition: dlamch.f:70