Program f01qjfe ! F01QJF Example Program Text ! Mark 24 Release. NAG Copyright 2012. ! .. Use Statements .. Use nag_library, Only: f01qjf, nag_wp, x04cbf ! .. Implicit None Statement .. Implicit None ! .. Parameters .. Integer, Parameter :: nin = 5, nout = 6 ! .. Local Scalars .. Integer :: i, ifail, lda, m, n ! .. Local Arrays .. Real (Kind=nag_wp), Allocatable :: a(:,:), zeta(:) Character (1) :: dummy(1) ! .. Executable Statements .. Write (nout,*) 'F01QJF Example Program Results' Write (nout,*) ! Skip heading in data file Read (nin,*) Read (nin,*) m, n lda = n Allocate (a(lda,n),zeta(m)) Read (nin,*)(a(i,1:n),i=1,m) ! ifail: behaviour on error exit ! =0 for hard exit, =1 for quiet-soft, =-1 for noisy-soft ifail = 0 ! Find the RQ factorization of A Call f01qjf(m,n,a,lda,zeta,ifail) Write (nout,*) 'RQ factorization of A' Write (nout,*) Write (nout,*) 'Vector ZETA' Write (nout,99999) zeta(1:m) Write (nout,*) Flush (nout) Call x04cbf('G',' ',m,n,a,lda,'F8.4', & 'Matrix A after factorization (R is in left-hand upper triangle)','N', & dummy,'N',dummy,80,0,ifail) 99999 Format (5(1X,F8.4)) End Program f01qjfe