PROGRAM test_mie real :: Qe, Qs, Qb, g integer, parameter:: NANG=101 complex, dimension(2*NANG-1) :: S1, S2 complex:: m real :: x real, parameter :: wl = 1.0 ! in micron real, parameter :: r = 1.0 ! in micron real, parameter :: pi = 3.14159265 x = 2 * PI * r / wl CALL index_water(0, wl, 273., m) print *, 'm = ', m END