Program e01tgfe ! E01TGF Example Program Text ! Mark 24 Release. NAG Copyright 2012. ! .. Use Statements .. Use nag_library, Only: e01tgf, e01thf, nag_wp ! .. Implicit None Statement .. Implicit None ! .. Parameters .. Integer, Parameter :: nin = 5, nout = 6 ! .. Local Scalars .. Integer :: i, ifail, liq, lrq, m, n, nq, nw ! .. Local Arrays .. Real (Kind=nag_wp), Allocatable :: f(:), q(:), qx(:), qy(:), qz(:), & rq(:), u(:), v(:), w(:), x(:), y(:), & z(:) Integer, Allocatable :: iq(:) ! .. Executable Statements .. Write (nout,*) 'E01TGF Example Program Results' ! Skip heading in data file Read (nin,*) ! Input the number of nodes. Read (nin,*) m liq = 2*m + 1 lrq = 10*m + 7 Allocate (x(m),y(m),z(m),f(m),iq(liq),rq(lrq)) Do i = 1, m Read (nin,*) x(i), y(i), z(i), f(i) End Do ! Generate the interpolant. nq = 0 nw = 0 ifail = 0 Call e01tgf(m,x,y,z,f,nw,nq,iq,liq,rq,lrq,ifail) ! Input the number of evaluation points. Read (nin,*) n Allocate (u(n),v(n),w(n),q(n),qx(n),qy(n),qz(n)) ! Input the evaluation points. Do i = 1, n Read (nin,*) u(i), v(i), w(i) End Do ! Evaluate the interpolant using E01THF. ifail = -0 Call e01thf(m,x,y,z,f,iq,liq,rq,lrq,n,u,v,w,q,qx,qy,qz,ifail) Write (nout,*) Write (nout,*) ' I U(I) V(I) W(I) Q(I)' Do i = 1, n Write (nout,99999) i, u(i), v(i), w(i), q(i) End Do 99999 Format (1X,I6,4F10.4) End Program e01tgfe