Program f04amfe ! F04AMF Example Program Text ! Mark 24 Release. NAG Copyright 2012. ! .. Use Statements .. Use nag_library, Only: f04amf, nag_wp, x02ajf ! .. Implicit None Statement .. Implicit None ! .. Parameters .. Integer, Parameter :: nin = 5, nout = 6 ! .. Local Scalars .. Real (Kind=nag_wp) :: eps Integer :: i, ifail, ir, lda, ldb, ldqr, ldx, & m, n ! .. Local Arrays .. Real (Kind=nag_wp), Allocatable :: a(:,:), alpha(:), b(:,:), e(:), & qr(:,:), r(:), x(:,:), y(:), z(:) Integer, Allocatable :: ipiv(:) ! .. Executable Statements .. Write (nout,*) 'F04AMF Example Program Results' Write (nout,*) ! Skip heading in data file Read (nin,*) Read (nin,*) m, n ir = 1 lda = m ldb = m ldqr = m ldx = n Allocate (a(lda,n),alpha(n),b(ldb,ir),e(n),qr(ldqr,n),r(m),x(ldx,ir), & y(n),z(n),ipiv(n)) Read (nin,*)(a(i,1:n),b(i,1:ir),i=1,m) eps = x02ajf() ! ifail: behaviour on error exit ! =0 for hard exit, =1 for quiet-soft, =-1 for noisy-soft ifail = 0 Call f04amf(a,lda,x,ldx,b,ldb,m,n,ir,eps,qr,ldqr,alpha,e,y,z,r,ipiv, & ifail) Write (nout,*) ' Solution' Do i = 1, n Write (nout,99999) x(i,1:ir) End Do 99999 Format (1X,8F9.4) End Program f04amfe