PROGRAM e04ncfe ! E04NCF Example Program Text ! Mark 23 Release. NAG Copyright 2011. ! .. Use Statements .. USE nag_library, ONLY : e04ncf, 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, ldc, liwork, & lwork, m, n, nclin, sdc ! .. Local Arrays .. REAL (KIND=nag_wp), ALLOCATABLE :: a(:,:), b(:), bl(:), bu(:), c(:,:), & clamda(:), cvec(:), work(:), x(:) INTEGER, ALLOCATABLE :: istate(:), iwork(:), kx(:) ! .. Intrinsic Functions .. INTRINSIC max ! .. Executable Statements .. WRITE (nout,*) 'E04NCF Example Program Results' FLUSH (nout) ! Skip heading in data file READ (nin,*) READ (nin,*) m, n, nclin liwork = n ldc = max(1,nclin) lda = max(1,m) IF (nclin>0) THEN sdc = n ELSE sdc = 1 END IF ! This particular example problem is of type LS1, so we allocate ! A(LDA,N), CVEC(1), B(M) and define LWORK as below IF (nclin>0) THEN lwork = 2*n**2 + 9*n + 6*nclin ELSE lwork = 9*n END IF ALLOCATE (istate(n+nclin),kx(n),iwork(liwork),c(ldc,sdc),bl(n+nclin), & bu(n+nclin),cvec(1),x(n),a(lda,n),b(m),clamda(n+nclin),work(lwork)) READ (nin,*) (a(i,1:n),i=1,m) READ (nin,*) b(1:m) READ (nin,*) (c(i,1:sdc),i=1,nclin) READ (nin,*) bl(1:(n+nclin)) READ (nin,*) bu(1:(n+nclin)) READ (nin,*) x(1:n) ! Solve the problem ifail = 0 CALL e04ncf(m,n,nclin,ldc,lda,c,bl,bu,cvec,istate,kx,x,a,b,iter,obj, & clamda,iwork,liwork,work,lwork,ifail) END PROGRAM e04ncfe