Program c06gsfe ! C06GSF Example Program Text ! Mark 24 Release. NAG Copyright 2012. ! .. Use Statements .. Use nag_library, Only: c06gsf, nag_wp ! .. Implicit None Statement .. Implicit None ! .. Parameters .. Integer, Parameter :: nin = 5, nout = 6 ! .. Local Scalars .. Integer :: i, ieof, ifail, j, m, n ! .. Local Arrays .. Real (Kind=nag_wp), Allocatable :: u(:), v(:), x(:) ! .. Executable Statements .. Write (nout,*) 'C06GSF Example Program Results' ! Skip heading in data file Read (nin,*) loop: Do Read (nin,*,Iostat=ieof) m, n If (ieof<0) Exit loop Allocate (u(m*n),v(m*n),x(m*n)) Do j = 1, m Read (nin,*)(x(i*m+j),i=0,n-1) End Do Write (nout,*) Write (nout,*) 'Original data values' Write (nout,*) Do j = 1, m Write (nout,99999) ' ', (x(i*m+j),i=0,n-1) End Do Write (nout,*) Write (nout,*) 'Original data written in full complex form' ! ifail: behaviour on error exit ! =0 for hard exit, =1 for quiet-soft, =-1 for noisy-soft ifail = 0 Call c06gsf(m,n,x,u,v,ifail) Do j = 1, m Write (nout,*) Write (nout,99999) 'Real ', (u(i*m+j),i=0,n-1) Write (nout,99999) 'Imag ', (v(i*m+j),i=0,n-1) End Do Deallocate (u,v,x) End Do loop 99999 Format (1X,A,6F10.4) End Program c06gsfe