File: rzfmtinp.f90

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! Copyright (C) 2014 J. K. Dewhurst, S. Sharma and E. K. U. Gross.
! This file is distributed under the terms of the GNU General Public License.
! See the file COPYING for license details.

complex(8) function rzfmtinp(nr,nri,r,r2,rfmt,zfmt)
use modmain
implicit none
! arguments
integer, intent(in) :: nr,nri
real(8), intent(in) :: r(nr),r2(nr)
real(8), intent(in) :: rfmt(*)
complex(8), intent(in) :: zfmt(*)
! local variables
integer n,ir,i
real(8) t1
complex(8) z1
! automatic arrays
real(8) fr1(nr),fr2(nr)
! external functions
real(8) splint
external splint
n=lmmaxi-1
i=1
do ir=1,nri
  z1=dot_product(rfmt(i:i+n),zfmt(i:i+n))*r2(ir)
  fr1(ir)=dble(z1)
  fr2(ir)=aimag(z1)
  i=i+lmmaxi
end do
t1=dble(lmmaxi)/dble(lmmaxo)
n=lmmaxo-1
do ir=nri+1,nr
  z1=dot_product(rfmt(i:i+n),zfmt(i:i+n))*(t1*r2(ir))
  fr1(ir)=dble(z1)
  fr2(ir)=aimag(z1)
  i=i+lmmaxo
end do
! integrate over r
t1=fourpi/dble(lmmaxi)
rzfmtinp=t1*cmplx(splint(nr,r,fr1),splint(nr,r,fr2),8)
return
end function