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41 lines
715 B
Fortran
41 lines
715 B
Fortran
subroutine CalcOm(maxm,ExpPQi,NormPQSq,Om)
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! Comute the 0^m: (00|00)^m
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implicit none
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! Input variables
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integer,intent(in) :: maxm
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double precision,intent(in) :: ExpPQi,NormPQSq
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! Local variables
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integer :: m
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double precision :: pi,dm,t
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double precision,allocatable :: Fm(:)
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! Output variables
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double precision,intent(inout):: Om (0:maxm)
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allocate(Fm(0:maxm))
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pi = 4d0*atan(1d0)
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! Campute generalized Boys functions
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t = NormPQSq/ExpPQi
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call CalcBoysF(maxm,t,Fm)
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! Compute (00|00)^m
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do m=0,maxm
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dm =dble(m)
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Om(m) = (2d0/sqrt(pi))*(-1d0)**dm*(1d0/ExpPQi)**(dm+0.5d0)*Fm(m)
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end do
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deallocate(Fm)
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end subroutine CalcOm
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