mirror of https://gitlab.com/QEF/q-e.git
25 lines
759 B
Fortran
25 lines
759 B
Fortran
!
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! Copyright (C) 2003 A. Smogunov
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! This file is distributed under the terms of the
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! GNU General Public License. See the file `License'
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! in the root directory of the present distribution,
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! or http://www.gnu.org/copyleft/gpl.txt .
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!
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!----------------------------------------------------------------------
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subroutine cft3sp (f,n1,n2,n3,nx1,nx2,nx3,sign)
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!----------------------------------------------------------------------
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!
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! Just usual FFT (even in MPI running)
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!
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implicit none
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integer :: n1, n2, n3, nx1, nx2, nx3, sign
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complex(kind=kind(0.d0)) :: f(nx1*nx2*nx3)
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if (sign.eq.1) then
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call cft_3(f,n1,n2,n3,nx1,nx2,nx3,2, 1)
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else if (sign.eq.-1) then
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call cft_3(f,n1,n2,n3,nx1,nx2,nx3,2,-1)
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endif
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return
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end subroutine cft3sp
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