# Fortran question (beginner)

Hello!
I'm trying to use a subprogram from the Starlink Project - Lucy in the library KAPPA - that is already installed and compiled. The idea is to be able to call it from my fortran routine.

Something like this:
Code:
PROGRAM ex

INTEGER i
REAL in(10),psf(10),out(10)

DO i =1,10
in(i) = rand()
psf(i) = rand()
ENDDO

lucy in psf out

WRITE(*,*)out

END

Is that possible?
If so, how should I compile the file (using gfortran)?

$export STARLINK_DIR=$HOME/Astronomy/Software/star-2015A
$source$STARLINK_DIR/etc/profile

After that you can run the subprograms by typing:
$kappa$ lucy

The compiled lucy file can be found here: \$HOME/Astronomy/Software/star-2015A/bin/kappa/lucy

call lucy (status)