PROGRAM g05pyfe ! G05PYF Example Program Text ! Mark 23 Release. NAG Copyright 2011. ! .. Use Statements .. USE nag_library, ONLY : g05kff, g05pyf, nag_wp, x04caf ! .. Implicit None Statement .. IMPLICIT NONE ! .. Parameters .. INTEGER, PARAMETER :: lseed = 1, nin = 5, nout = 6 ! .. Local Scalars .. REAL (KIND=nag_wp) :: eps INTEGER :: genid, ifail, ldc, lstate, n, subid ! .. Local Arrays .. REAL (KIND=nag_wp), ALLOCATABLE :: c(:,:), d(:) INTEGER :: seed(lseed) INTEGER, ALLOCATABLE :: state(:) ! .. Executable Statements .. WRITE (nout,*) 'G05PYF Example Program Results' WRITE (nout,*) FLUSH (nout) ! Skip heading in data file READ (nin,*) ! Read in the base generator information and seed READ (nin,*) genid, subid, seed(1) ! Initial call to initialiser to get size of STATE array lstate = 0 ALLOCATE (state(lstate)) ifail = 0 CALL g05kff(genid,subid,seed,lseed,state,lstate,ifail) ! Reallocate STATE DEALLOCATE (state) ALLOCATE (state(lstate)) ! Initialize the generator to a repeatable sequence ifail = 0 CALL g05kff(genid,subid,seed,lseed,state,lstate,ifail) ! Read in the problem size and tolerance READ (nin,*) n, eps ldc = n ALLOCATE (c(ldc,n),d(n)) ! Read in the eigenvalues READ (nin,*) d(1:n) ! Generate the correlation matrix ifail = 0 CALL g05pyf(n,d,eps,state,c,ldc,ifail) ! Display the results ifail = 0 CALL x04caf('General',' ',n,n,c,ldc,'Correlation Matrix',ifail) END PROGRAM g05pyfe