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QuantumPackage/src/tools/swap_mos.irp.f
2020-03-12 18:02:18 -05:00

27 lines
575 B
Fortran

program swap_mos
implicit none
BEGIN_DOC
! Swaps the indices of two molecular orbitals
END_DOC
integer :: i,j, i1, i2
double precision :: x
print *, 'MOs to swap?'
read(*,*) i1, i2
if (is_complex) then
complex*16 :: xc
do i=1,ao_num
xc = mo_coef_complex(i,i1)
mo_coef_complex(i,i1) = mo_coef_complex(i,i2)
mo_coef_complex(i,i2) = xc
enddo
else
do i=1,ao_num
x = mo_coef(i,i1)
mo_coef(i,i1) = mo_coef(i,i2)
mo_coef(i,i2) = x
enddo
endif
call save_mos
end