Positions where pt and p2 variables are written: x(lpoint), y(mpoint), z(npoint), lpoint, mpoint, npoint= -9.1834 -9.1834 -9.1834 35 35 35 kx_fft(ikx+ipx*nx),ky_fft(iky+ipy*ny),kz_fft(ikz+ipz*nz)= 9.3000 9.3000 9.3000