Program f03affe ! F03AFF Example Program Text ! Mark 24 Release. NAG Copyright 2012. ! .. Use Statements .. Use nag_library, Only: f03aff, nag_wp ! .. Implicit None Statement .. Implicit None ! .. Parameters .. Integer, Parameter :: nin = 5, nout = 6 ! .. Local Scalars .. Real (Kind=nag_wp) :: d1, eps Integer :: i, id, ifail, lda, n ! .. Local Arrays .. Real (Kind=nag_wp), Allocatable :: a(:,:), p(:) ! .. Executable Statements .. Write (nout,*) 'F03AFF Example Program Results' ! Skip heading in data file Read (nin,*) Read (nin,*) n lda = n Allocate (a(lda,n),p(n)) Read (nin,*)(a(i,1:n),i=1,n) ifail = 0 Call f03aff(n,eps,a,lda,d1,id,p,ifail) Write (nout,*) Write (nout,*) 'Array A after factorization' Do i = 1, n Write (nout,99999) a(i,1:n) End Do Write (nout,*) Write (nout,*) 'Array P' Write (nout,99999) p(1:n) Write (nout,*) Write (nout,99998) 'D1 = ', d1, ' ID = ', id Write (nout,*) Write (nout,99998) 'Value of determinant = ', d1*2.0E0_nag_wp**id 99999 Format (1X,8F9.4) 99998 Format (1X,A,F9.4,A,I2) End Program f03affe