Program e04nffe ! E04NFF Example Program Text ! Mark 24 Release. NAG Copyright 2012. ! .. Use Statements .. Use nag_library, Only: e04nff, e04nfu, nag_wp ! .. Implicit None Statement .. Implicit None ! .. Parameters .. Integer, Parameter :: nin = 5, nout = 6 ! .. Local Scalars .. Real (Kind=nag_wp) :: obj Integer :: i, ifail, iter, lda, ldh, liwork, & lwork, n, nclin, sda ! .. Local Arrays .. Real (Kind=nag_wp), Allocatable :: a(:,:), ax(:), bl(:), bu(:), & clamda(:), cvec(:), h(:,:), work(:), & x(:) Integer, Allocatable :: istate(:), iwork(:) ! .. Intrinsic Procedures .. Intrinsic :: max ! .. Executable Statements .. Write (nout,*) 'E04NFF Example Program Results' Flush (nout) ! Skip heading in data file Read (nin,*) Read (nin,*) n, nclin liwork = 2*n + 3 lda = max(1,nclin) If (nclin>0) Then sda = n Else sda = 1 End If ! This particular example problem is of type QP2 with H stored explicitly, ! so we allocate CVEC(N) and H(LDH,N), and define LDH and LWORK as below ldh = n If (nclin>0) Then lwork = 2*n**2 + 8*n + 5*nclin Else lwork = n**2 + 8*n End If Allocate (istate(n+nclin),ax(max(1,nclin)),iwork(liwork),h(ldh,n),bl(n+ & nclin),bu(n+nclin),cvec(n),x(n),a(lda,sda),clamda(n+nclin), & work(lwork)) Read (nin,*) cvec(1:n) Read (nin,*)(a(i,1:sda),i=1,nclin) Read (nin,*) bl(1:(n+nclin)) Read (nin,*) bu(1:(n+nclin)) Read (nin,*) x(1:n) Read (nin,*)(h(i,1:n),i=1,n) ! Solve the problem ifail = 0 Call e04nff(n,nclin,a,lda,bl,bu,cvec,h,ldh,e04nfu,istate,x,iter,obj,ax, & clamda,iwork,liwork,work,lwork,ifail) End Program e04nffe