PROGRAM x04ccfe ! X04CCF Example Program Text ! Mark 23 Release. NAG Copyright 2011. ! .. Use Statements .. USE nag_library, ONLY : nag_wp, x04ccf ! .. Implicit None Statement .. IMPLICIT NONE ! .. Parameters .. INTEGER, PARAMETER :: nmax = 5, nout = 6 INTEGER, PARAMETER :: la = (nmax*(nmax+1))/2 ! .. Local Scalars .. INTEGER :: i, ifail ! .. Local Arrays .. REAL (KIND=nag_wp) :: a(la) ! .. Intrinsic Functions .. INTRINSIC real ! .. Executable Statements .. WRITE (nout,*) 'X04CCF Example Program Results' WRITE (nout,*) FLUSH (nout) ! Generate an array of data DO i = 1, la a(i) = real(i,kind=nag_wp) END DO ! Print order (nmax-1) lower triangular matrix ifail = 0 CALL x04ccf('Lower','Unit',nmax-1,a,'Example 1:',ifail) WRITE (nout,*) FLUSH (nout) ! Print order nmax upper triangular matrix ifail = 0 CALL x04ccf('Upper','Non-unit',nmax,a,'Example 2:',ifail) END PROGRAM x04ccfe