! D01GDF Example Program Text ! Mark 24 Release. NAG Copyright 2012. Module d01gdfe_mod ! D01GDF Example Program Module: ! Parameters and User-defined Routines ! .. Use Statements .. Use nag_library, Only: nag_wp ! .. Implicit None Statement .. Implicit None ! .. Parameters .. Integer, Parameter :: ndim = 4, nout = 6 Contains Subroutine vecfun(ndim,x,fv,m) ! .. Scalar Arguments .. Integer, Intent (In) :: m, ndim ! .. Array Arguments .. Real (Kind=nag_wp), Intent (Out) :: fv(m) Real (Kind=nag_wp), Intent (In) :: x(m,ndim) ! .. Local Scalars .. Integer :: i ! .. Intrinsic Procedures .. Intrinsic :: cos, real, sum ! .. Executable Statements .. Do i = 1, m fv(i) = cos(0.5E0_nag_wp+2.0E0_nag_wp*sum(x(i, & 1:ndim))-real(ndim,kind=nag_wp)) End Do Return End Subroutine vecfun Subroutine vecreg(ndim,x,j,c,d,m) ! .. Scalar Arguments .. Integer, Intent (In) :: j, m, ndim ! .. Array Arguments .. Real (Kind=nag_wp), Intent (Out) :: c(m), d(m) Real (Kind=nag_wp), Intent (In) :: x(m,ndim) ! .. Executable Statements .. c(1:m) = 0.0E0_nag_wp d(1:m) = 1.0E0_nag_wp Return End Subroutine vecreg End Module d01gdfe_mod Program d01gdfe ! D01GDF Example Main Program ! .. Use Statements .. Use nag_library, Only: d01gdf, nag_wp Use d01gdfe_mod, Only: ndim, nout, vecfun, vecreg ! .. Implicit None Statement .. Implicit None ! .. Local Scalars .. Real (Kind=nag_wp) :: err, res Integer :: ifail, itrans, npts, nrand ! .. Local Arrays .. Real (Kind=nag_wp) :: vk(ndim) ! .. Executable Statements .. Write (nout,*) 'D01GDF Example Program Results' npts = 2 itrans = 0 nrand = 4 ifail = 0 Call d01gdf(ndim,vecfun,vecreg,npts,vk,nrand,itrans,res,err,ifail) Write (nout,*) Write (nout,99999) 'Result = ', res, ', standard error = ', err 99999 Format (1X,A,F13.5,A,E10.2) End Program d01gdfe