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

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Functions/Subroutines

subroutine zlaqps (M, N, OFFSET, NB, KB, A, LDA, JPVT, TAU, VN1, VN2, AUXV, F, LDF)
 ZLAQPS computes a step of QR factorization with column pivoting of a real m-by-n matrix A by using BLAS level 3. More...
 
zgemv
subroutine zgemv(TRANS, M, N, ALPHA, A, LDA, X, INCX, BETA, Y, INCY)
ZGEMV
Definition: zgemv.f:160
idamax
integer function idamax(N, DX, INCX)
IDAMAX
Definition: idamax.f:73
dznrm2
double precision function dznrm2(N, X, INCX)
DZNRM2
Definition: dznrm2.f:77
zgemm
subroutine zgemm(TRANSA, TRANSB, M, N, K, ALPHA, A, LDA, B, LDB, BETA, C, LDC)
ZGEMM
Definition: zgemm.f:189
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