quack/src/IntPak/GenerateShell.f90

31 lines
553 B
Fortran

subroutine GenerateShell(atot,nShellFunction,ShellFunction)
implicit none
! Input variables
integer,intent(in) :: atot,nShellFunction
! Local variables
integer :: ax,ay,az,ia
! Output variables
integer,intent(out) :: ShellFunction(nShellFunction,3)
ia = 0
do ax=atot,0,-1
do az=0,atot
ay = atot - ax - az
if(ay >= 0) then
ia = ia + 1
ShellFunction(ia,1) = ax
ShellFunction(ia,2) = ay
ShellFunction(ia,3) = az
endif
enddo
enddo
end subroutine GenerateShell