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https://github.com/LCPQ/quantum_package
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448 lines
42 KiB
Fortran
448 lines
42 KiB
Fortran
integer function number_of_holes(key_in)
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! function that returns the number of holes in the inact space
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implicit none
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integer(bit_kind), intent(in) :: key_in(N_int,2)
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integer :: i
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number_of_holes = 0
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if(N_int == 1)then
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number_of_holes = number_of_holes &
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+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) )&
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+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) )
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else if(N_int == 2)then
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number_of_holes = number_of_holes &
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+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) )&
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+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) )&
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+ popcnt( xor( iand(inact_bitmask(2,1), xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1)))), inact_bitmask(2,1)) )&
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+ popcnt( xor( iand(inact_bitmask(2,2), xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1)))), inact_bitmask(2,2)) )
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else if(N_int == 3)then
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number_of_holes = number_of_holes &
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+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) )&
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+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) )&
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+ popcnt( xor( iand(inact_bitmask(2,1), xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1)))), inact_bitmask(2,1)) )&
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+ popcnt( xor( iand(inact_bitmask(2,2), xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1)))), inact_bitmask(2,2)) )&
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+ popcnt( xor( iand(inact_bitmask(3,1), xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1)))), inact_bitmask(3,1)) )&
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+ popcnt( xor( iand(inact_bitmask(3,2), xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1)))), inact_bitmask(3,2)) )
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else if(N_int == 4)then
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number_of_holes = number_of_holes &
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+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) )&
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+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) )&
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+ popcnt( xor( iand(inact_bitmask(2,1), xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1)))), inact_bitmask(2,1)) )&
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+ popcnt( xor( iand(inact_bitmask(2,2), xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1)))), inact_bitmask(2,2)) )&
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+ popcnt( xor( iand(inact_bitmask(3,1), xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1)))), inact_bitmask(3,1)) )&
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+ popcnt( xor( iand(inact_bitmask(3,2), xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1)))), inact_bitmask(3,2)) )&
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+ popcnt( xor( iand(inact_bitmask(4,1), xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1)))), inact_bitmask(4,1)) )&
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+ popcnt( xor( iand(inact_bitmask(4,2), xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1)))), inact_bitmask(4,2)) )
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else if(N_int == 5)then
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number_of_holes = number_of_holes &
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+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) )&
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+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) )&
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+ popcnt( xor( iand(inact_bitmask(2,1), xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1)))), inact_bitmask(2,1)) )&
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+ popcnt( xor( iand(inact_bitmask(2,2), xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1)))), inact_bitmask(2,2)) )&
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+ popcnt( xor( iand(inact_bitmask(3,1), xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1)))), inact_bitmask(3,1)) )&
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+ popcnt( xor( iand(inact_bitmask(3,2), xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1)))), inact_bitmask(3,2)) )&
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+ popcnt( xor( iand(inact_bitmask(4,1), xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1)))), inact_bitmask(4,1)) )&
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+ popcnt( xor( iand(inact_bitmask(4,2), xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1)))), inact_bitmask(4,2)) )&
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+ popcnt( xor( iand(inact_bitmask(5,1), xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1)))), inact_bitmask(5,1)) )&
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+ popcnt( xor( iand(inact_bitmask(5,2), xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1)))), inact_bitmask(5,2)) )
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else if(N_int == 6)then
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number_of_holes = number_of_holes &
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+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) )&
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+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) )&
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+ popcnt( xor( iand(inact_bitmask(2,1), xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1)))), inact_bitmask(2,1)) )&
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+ popcnt( xor( iand(inact_bitmask(2,2), xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1)))), inact_bitmask(2,2)) )&
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+ popcnt( xor( iand(inact_bitmask(3,1), xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1)))), inact_bitmask(3,1)) )&
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+ popcnt( xor( iand(inact_bitmask(3,2), xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1)))), inact_bitmask(3,2)) )&
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+ popcnt( xor( iand(inact_bitmask(4,1), xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1)))), inact_bitmask(4,1)) )&
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+ popcnt( xor( iand(inact_bitmask(4,2), xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1)))), inact_bitmask(4,2)) )&
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+ popcnt( xor( iand(inact_bitmask(5,1), xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1)))), inact_bitmask(5,1)) )&
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+ popcnt( xor( iand(inact_bitmask(5,2), xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1)))), inact_bitmask(5,2)) )&
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+ popcnt( xor( iand(inact_bitmask(6,1), xor(key_in(6,1),iand(key_in(6,1),cas_bitmask(6,1,1)))), inact_bitmask(6,1)) )&
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+ popcnt( xor( iand(inact_bitmask(6,2), xor(key_in(6,2),iand(key_in(6,2),cas_bitmask(6,2,1)))), inact_bitmask(6,2)) )
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else if(N_int == 7)then
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number_of_holes = number_of_holes &
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+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) )&
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+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) )&
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+ popcnt( xor( iand(inact_bitmask(2,1), xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1)))), inact_bitmask(2,1)) )&
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+ popcnt( xor( iand(inact_bitmask(2,2), xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1)))), inact_bitmask(2,2)) )&
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+ popcnt( xor( iand(inact_bitmask(3,1), xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1)))), inact_bitmask(3,1)) )&
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+ popcnt( xor( iand(inact_bitmask(3,2), xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1)))), inact_bitmask(3,2)) )&
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+ popcnt( xor( iand(inact_bitmask(4,1), xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1)))), inact_bitmask(4,1)) )&
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+ popcnt( xor( iand(inact_bitmask(4,2), xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1)))), inact_bitmask(4,2)) )&
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+ popcnt( xor( iand(inact_bitmask(5,1), xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1)))), inact_bitmask(5,1)) )&
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+ popcnt( xor( iand(inact_bitmask(5,2), xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1)))), inact_bitmask(5,2)) )&
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+ popcnt( xor( iand(inact_bitmask(6,1), xor(key_in(6,1),iand(key_in(6,1),cas_bitmask(6,1,1)))), inact_bitmask(6,1)) )&
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+ popcnt( xor( iand(inact_bitmask(6,2), xor(key_in(6,2),iand(key_in(6,2),cas_bitmask(6,2,1)))), inact_bitmask(6,2)) )&
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+ popcnt( xor( iand(inact_bitmask(7,1), xor(key_in(7,1),iand(key_in(7,1),cas_bitmask(7,1,1)))), inact_bitmask(7,1)) )&
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+ popcnt( xor( iand(inact_bitmask(7,2), xor(key_in(7,2),iand(key_in(7,2),cas_bitmask(7,2,1)))), inact_bitmask(7,2)) )
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else if(N_int == 8)then
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number_of_holes = number_of_holes &
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+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) )&
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+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) )&
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+ popcnt( xor( iand(inact_bitmask(2,1), xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1)))), inact_bitmask(2,1)) )&
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+ popcnt( xor( iand(inact_bitmask(2,2), xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1)))), inact_bitmask(2,2)) )&
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+ popcnt( xor( iand(inact_bitmask(3,1), xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1)))), inact_bitmask(3,1)) )&
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+ popcnt( xor( iand(inact_bitmask(3,2), xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1)))), inact_bitmask(3,2)) )&
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+ popcnt( xor( iand(inact_bitmask(4,1), xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1)))), inact_bitmask(4,1)) )&
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+ popcnt( xor( iand(inact_bitmask(4,2), xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1)))), inact_bitmask(4,2)) )&
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+ popcnt( xor( iand(inact_bitmask(5,1), xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1)))), inact_bitmask(5,1)) )&
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+ popcnt( xor( iand(inact_bitmask(5,2), xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1)))), inact_bitmask(5,2)) )&
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+ popcnt( xor( iand(inact_bitmask(6,1), xor(key_in(6,1),iand(key_in(6,1),cas_bitmask(6,1,1)))), inact_bitmask(6,1)) )&
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+ popcnt( xor( iand(inact_bitmask(6,2), xor(key_in(6,2),iand(key_in(6,2),cas_bitmask(6,2,1)))), inact_bitmask(6,2)) )&
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+ popcnt( xor( iand(inact_bitmask(8,1), xor(key_in(8,1),iand(key_in(8,1),cas_bitmask(8,1,1)))), inact_bitmask(8,1)) )&
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+ popcnt( xor( iand(inact_bitmask(8,2), xor(key_in(8,2),iand(key_in(8,2),cas_bitmask(8,2,1)))), inact_bitmask(8,2)) )
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else
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do i = 1, N_int
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number_of_holes = number_of_holes &
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+ popcnt( xor( iand(inact_bitmask(i,1), xor(key_in(i,1),iand(key_in(i,1),cas_bitmask(i,1,1)))), inact_bitmask(i,1)) )&
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+ popcnt( xor( iand(inact_bitmask(i,2), xor(key_in(i,2),iand(key_in(i,2),cas_bitmask(i,2,1)))), inact_bitmask(i,2)) )
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enddo
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endif
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end
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integer function number_of_particles(key_in)
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! function that returns the number of particles in the virtual space
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implicit none
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integer(bit_kind), intent(in) :: key_in(N_int,2)
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integer :: i
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number_of_particles= 0
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if(N_int == 1)then
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number_of_particles= number_of_particles &
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+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
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+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) )
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else if(N_int == 2)then
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number_of_particles= number_of_particles &
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+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
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+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) ) &
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+ popcnt( iand( iand( xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1))), virt_bitmask(2,1) ), virt_bitmask(2,1)) ) &
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+ popcnt( iand( iand( xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1))), virt_bitmask(2,2) ), virt_bitmask(2,2)) )
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else if(N_int == 3)then
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number_of_particles= number_of_particles &
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+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
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+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) ) &
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+ popcnt( iand( iand( xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1))), virt_bitmask(2,1) ), virt_bitmask(2,1)) ) &
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+ popcnt( iand( iand( xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1))), virt_bitmask(2,2) ), virt_bitmask(2,2)) ) &
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+ popcnt( iand( iand( xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1))), virt_bitmask(3,1) ), virt_bitmask(3,1)) ) &
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+ popcnt( iand( iand( xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1))), virt_bitmask(3,2) ), virt_bitmask(3,2)) )
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else if(N_int == 4)then
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number_of_particles= number_of_particles &
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+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
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+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) ) &
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+ popcnt( iand( iand( xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1))), virt_bitmask(2,1) ), virt_bitmask(2,1)) ) &
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+ popcnt( iand( iand( xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1))), virt_bitmask(2,2) ), virt_bitmask(2,2)) ) &
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+ popcnt( iand( iand( xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1))), virt_bitmask(3,1) ), virt_bitmask(3,1)) ) &
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+ popcnt( iand( iand( xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1))), virt_bitmask(3,2) ), virt_bitmask(3,2)) ) &
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+ popcnt( iand( iand( xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1))), virt_bitmask(4,1) ), virt_bitmask(4,1)) ) &
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+ popcnt( iand( iand( xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1))), virt_bitmask(4,2) ), virt_bitmask(4,2)) )
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else if(N_int == 5)then
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number_of_particles= number_of_particles &
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+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
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+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) ) &
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+ popcnt( iand( iand( xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1))), virt_bitmask(2,1) ), virt_bitmask(2,1)) ) &
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+ popcnt( iand( iand( xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1))), virt_bitmask(2,2) ), virt_bitmask(2,2)) ) &
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+ popcnt( iand( iand( xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1))), virt_bitmask(3,1) ), virt_bitmask(3,1)) ) &
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+ popcnt( iand( iand( xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1))), virt_bitmask(3,2) ), virt_bitmask(3,2)) ) &
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+ popcnt( iand( iand( xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1))), virt_bitmask(4,1) ), virt_bitmask(4,1)) ) &
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+ popcnt( iand( iand( xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1))), virt_bitmask(4,2) ), virt_bitmask(4,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1))), virt_bitmask(5,1) ), virt_bitmask(5,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1))), virt_bitmask(5,2) ), virt_bitmask(5,2)) )
|
|
else if(N_int == 6)then
|
|
number_of_particles= number_of_particles &
|
|
+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1))), virt_bitmask(2,1) ), virt_bitmask(2,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1))), virt_bitmask(2,2) ), virt_bitmask(2,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1))), virt_bitmask(3,1) ), virt_bitmask(3,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1))), virt_bitmask(3,2) ), virt_bitmask(3,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1))), virt_bitmask(4,1) ), virt_bitmask(4,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1))), virt_bitmask(4,2) ), virt_bitmask(4,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1))), virt_bitmask(5,1) ), virt_bitmask(5,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1))), virt_bitmask(5,2) ), virt_bitmask(5,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(6,1),iand(key_in(6,1),cas_bitmask(6,1,1))), virt_bitmask(6,1) ), virt_bitmask(6,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(6,2),iand(key_in(6,2),cas_bitmask(6,2,1))), virt_bitmask(6,2) ), virt_bitmask(6,2)) )
|
|
else if(N_int == 7)then
|
|
number_of_particles= number_of_particles &
|
|
+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1))), virt_bitmask(2,1) ), virt_bitmask(2,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1))), virt_bitmask(2,2) ), virt_bitmask(2,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1))), virt_bitmask(3,1) ), virt_bitmask(3,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1))), virt_bitmask(3,2) ), virt_bitmask(3,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1))), virt_bitmask(4,1) ), virt_bitmask(4,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1))), virt_bitmask(4,2) ), virt_bitmask(4,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1))), virt_bitmask(5,1) ), virt_bitmask(5,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1))), virt_bitmask(5,2) ), virt_bitmask(5,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(6,1),iand(key_in(6,1),cas_bitmask(6,1,1))), virt_bitmask(6,1) ), virt_bitmask(6,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(6,2),iand(key_in(6,2),cas_bitmask(6,2,1))), virt_bitmask(6,2) ), virt_bitmask(6,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(7,1),iand(key_in(7,1),cas_bitmask(7,1,1))), virt_bitmask(7,1) ), virt_bitmask(7,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(7,2),iand(key_in(7,2),cas_bitmask(7,2,1))), virt_bitmask(7,2) ), virt_bitmask(7,2)) )
|
|
else if(N_int == 8)then
|
|
number_of_particles= number_of_particles &
|
|
+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1))), virt_bitmask(2,1) ), virt_bitmask(2,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1))), virt_bitmask(2,2) ), virt_bitmask(2,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1))), virt_bitmask(3,1) ), virt_bitmask(3,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1))), virt_bitmask(3,2) ), virt_bitmask(3,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1))), virt_bitmask(4,1) ), virt_bitmask(4,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1))), virt_bitmask(4,2) ), virt_bitmask(4,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1))), virt_bitmask(5,1) ), virt_bitmask(5,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1))), virt_bitmask(5,2) ), virt_bitmask(5,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(6,1),iand(key_in(6,1),cas_bitmask(6,1,1))), virt_bitmask(6,1) ), virt_bitmask(6,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(6,2),iand(key_in(6,2),cas_bitmask(6,2,1))), virt_bitmask(6,2) ), virt_bitmask(6,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(7,1),iand(key_in(7,1),cas_bitmask(7,1,1))), virt_bitmask(7,1) ), virt_bitmask(7,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(7,2),iand(key_in(7,2),cas_bitmask(7,2,1))), virt_bitmask(7,2) ), virt_bitmask(7,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(8,1),iand(key_in(8,1),cas_bitmask(8,1,1))), virt_bitmask(8,1) ), virt_bitmask(8,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(8,2),iand(key_in(8,2),cas_bitmask(8,2,1))), virt_bitmask(8,2) ), virt_bitmask(8,2)) )
|
|
else
|
|
do i = 1, N_int
|
|
number_of_particles= number_of_particles &
|
|
+ popcnt( iand( iand( xor(key_in(i,1),iand(key_in(i,1),cas_bitmask(i,1,1))), virt_bitmask(i,1) ), virt_bitmask(i,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(i,2),iand(key_in(i,2),cas_bitmask(i,2,1))), virt_bitmask(i,2) ), virt_bitmask(i,2)) )
|
|
enddo
|
|
endif
|
|
end
|
|
|
|
logical function is_a_two_holes_two_particles(key_in)
|
|
! logical function that returns True if the determinant 'key_in'
|
|
! belongs to the 2h-2p excitation class of the DDCI space
|
|
! this is calculated using the CAS_bitmask that defines the active
|
|
! orbital space, the inact_bitmasl that defines the inactive oribital space
|
|
! and the virt_bitmask that defines the virtual orbital space
|
|
implicit none
|
|
integer(bit_kind), intent(in) :: key_in(N_int,2)
|
|
integer :: i,i_diff
|
|
i_diff = 0
|
|
if(N_int == 1)then
|
|
i_diff = i_diff &
|
|
+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) )
|
|
else if(N_int == 2)then
|
|
i_diff = i_diff &
|
|
+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(2,1), xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1)))), inact_bitmask(2,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(2,2), xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1)))), inact_bitmask(2,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1))), virt_bitmask(2,1) ), virt_bitmask(2,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1))), virt_bitmask(2,2) ), virt_bitmask(2,2)) )
|
|
|
|
else if(N_int == 3)then
|
|
i_diff = i_diff &
|
|
+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(2,1), xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1)))), inact_bitmask(2,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(2,2), xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1)))), inact_bitmask(2,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1))), virt_bitmask(2,1) ), virt_bitmask(2,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1))), virt_bitmask(2,2) ), virt_bitmask(2,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(3,1), xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1)))), inact_bitmask(3,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(3,2), xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1)))), inact_bitmask(3,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1))), virt_bitmask(3,1) ), virt_bitmask(3,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1))), virt_bitmask(3,2) ), virt_bitmask(3,2)) )
|
|
else if(N_int == 4)then
|
|
i_diff = i_diff &
|
|
+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(2,1), xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1)))), inact_bitmask(2,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(2,2), xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1)))), inact_bitmask(2,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1))), virt_bitmask(2,1) ), virt_bitmask(2,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1))), virt_bitmask(2,2) ), virt_bitmask(2,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(3,1), xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1)))), inact_bitmask(3,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(3,2), xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1)))), inact_bitmask(3,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1))), virt_bitmask(3,1) ), virt_bitmask(3,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,2),iand(key_in(3,2),cas_bitmask(3,2,1))), virt_bitmask(3,2) ), virt_bitmask(3,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(4,1), xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1)))), inact_bitmask(4,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(4,2), xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1)))), inact_bitmask(4,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1))), virt_bitmask(4,1) ), virt_bitmask(4,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1))), virt_bitmask(4,2) ), virt_bitmask(4,2)) )
|
|
else if(N_int == 5)then
|
|
i_diff = i_diff &
|
|
+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(2,1), xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1)))), inact_bitmask(2,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(2,2), xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1)))), inact_bitmask(2,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1))), virt_bitmask(2,1) ), virt_bitmask(2,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1))), virt_bitmask(2,2) ), virt_bitmask(2,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(3,1), xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1)))), inact_bitmask(3,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(3,2), xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1)))), inact_bitmask(3,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1))), virt_bitmask(3,1) ), virt_bitmask(3,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1))), virt_bitmask(3,2) ), virt_bitmask(3,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(4,1), xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1)))), inact_bitmask(4,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(4,2), xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1)))), inact_bitmask(4,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1))), virt_bitmask(4,1) ), virt_bitmask(4,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1))), virt_bitmask(4,2) ), virt_bitmask(4,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(5,1), xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1)))), inact_bitmask(5,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(5,2), xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1)))), inact_bitmask(5,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1))), virt_bitmask(5,1) ), virt_bitmask(5,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1))), virt_bitmask(5,2) ), virt_bitmask(5,2)) )
|
|
else if(N_int == 6)then
|
|
i_diff = i_diff &
|
|
+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(2,1), xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1)))), inact_bitmask(2,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(2,2), xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1)))), inact_bitmask(2,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1))), virt_bitmask(2,1) ), virt_bitmask(2,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1))), virt_bitmask(2,2) ), virt_bitmask(2,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(3,1), xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1)))), inact_bitmask(3,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(3,2), xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1)))), inact_bitmask(3,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1))), virt_bitmask(3,1) ), virt_bitmask(3,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1))), virt_bitmask(3,2) ), virt_bitmask(3,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(4,1), xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1)))), inact_bitmask(4,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(4,2), xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1)))), inact_bitmask(4,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1))), virt_bitmask(4,1) ), virt_bitmask(4,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1))), virt_bitmask(4,2) ), virt_bitmask(4,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(5,1), xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1)))), inact_bitmask(5,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(5,2), xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1)))), inact_bitmask(5,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1))), virt_bitmask(5,1) ), virt_bitmask(5,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1))), virt_bitmask(5,2) ), virt_bitmask(5,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(6,1), xor(key_in(6,1),iand(key_in(6,1),cas_bitmask(6,1,1)))), inact_bitmask(6,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(6,2), xor(key_in(6,2),iand(key_in(6,2),cas_bitmask(6,2,1)))), inact_bitmask(6,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(6,1),iand(key_in(6,1),cas_bitmask(6,1,1))), virt_bitmask(6,1) ), virt_bitmask(6,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(6,2),iand(key_in(6,2),cas_bitmask(6,2,1))), virt_bitmask(6,2) ), virt_bitmask(6,2)) )
|
|
else if(N_int == 7)then
|
|
i_diff = i_diff &
|
|
+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(2,1), xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1)))), inact_bitmask(2,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(2,2), xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1)))), inact_bitmask(2,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1))), virt_bitmask(2,1) ), virt_bitmask(2,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1))), virt_bitmask(2,2) ), virt_bitmask(2,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(3,1), xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1)))), inact_bitmask(3,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(3,2), xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1)))), inact_bitmask(3,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1))), virt_bitmask(3,1) ), virt_bitmask(3,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1))), virt_bitmask(3,2) ), virt_bitmask(3,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(4,1), xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1)))), inact_bitmask(4,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(4,2), xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1)))), inact_bitmask(4,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1))), virt_bitmask(4,1) ), virt_bitmask(4,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1))), virt_bitmask(4,2) ), virt_bitmask(4,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(5,1), xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1)))), inact_bitmask(5,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(5,2), xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1)))), inact_bitmask(5,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1))), virt_bitmask(5,1) ), virt_bitmask(5,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1))), virt_bitmask(5,2) ), virt_bitmask(5,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(6,1), xor(key_in(6,1),iand(key_in(6,1),cas_bitmask(6,1,1)))), inact_bitmask(6,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(6,2), xor(key_in(6,2),iand(key_in(6,2),cas_bitmask(6,2,1)))), inact_bitmask(6,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(6,1),iand(key_in(6,1),cas_bitmask(6,1,1))), virt_bitmask(6,1) ), virt_bitmask(6,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(6,2),iand(key_in(6,2),cas_bitmask(6,2,1))), virt_bitmask(6,2) ), virt_bitmask(6,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(7,1), xor(key_in(7,1),iand(key_in(7,1),cas_bitmask(7,1,1)))), inact_bitmask(7,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(7,2), xor(key_in(7,2),iand(key_in(7,2),cas_bitmask(7,2,1)))), inact_bitmask(7,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(7,1),iand(key_in(7,1),cas_bitmask(7,1,1))), virt_bitmask(7,1) ), virt_bitmask(7,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(7,2),iand(key_in(7,2),cas_bitmask(7,2,1))), virt_bitmask(7,2) ), virt_bitmask(7,2)) )
|
|
else if(N_int == 8)then
|
|
i_diff = i_diff &
|
|
+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(2,1), xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1)))), inact_bitmask(2,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(2,2), xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1)))), inact_bitmask(2,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,1),iand(key_in(2,1),cas_bitmask(2,1,1))), virt_bitmask(2,1) ), virt_bitmask(2,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(2,2),iand(key_in(2,2),cas_bitmask(2,2,1))), virt_bitmask(2,2) ), virt_bitmask(2,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(3,1), xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1)))), inact_bitmask(3,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(3,2), xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1)))), inact_bitmask(3,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,1),iand(key_in(3,1),cas_bitmask(3,1,1))), virt_bitmask(3,1) ), virt_bitmask(3,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(3,2),iand(key_in(3,2),cas_bitmask(3,2,1))), virt_bitmask(3,2) ), virt_bitmask(3,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(4,1), xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1)))), inact_bitmask(4,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(4,2), xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1)))), inact_bitmask(4,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,1),iand(key_in(4,1),cas_bitmask(4,1,1))), virt_bitmask(4,1) ), virt_bitmask(4,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(4,2),iand(key_in(4,2),cas_bitmask(4,2,1))), virt_bitmask(4,2) ), virt_bitmask(4,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(5,1), xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1)))), inact_bitmask(5,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(5,2), xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1)))), inact_bitmask(5,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,1),iand(key_in(5,1),cas_bitmask(5,1,1))), virt_bitmask(5,1) ), virt_bitmask(5,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(5,2),iand(key_in(5,2),cas_bitmask(5,2,1))), virt_bitmask(5,2) ), virt_bitmask(5,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(6,1), xor(key_in(6,1),iand(key_in(6,1),cas_bitmask(6,1,1)))), inact_bitmask(6,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(6,2), xor(key_in(6,2),iand(key_in(6,2),cas_bitmask(6,2,1)))), inact_bitmask(6,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(6,1),iand(key_in(6,1),cas_bitmask(6,1,1))), virt_bitmask(6,1) ), virt_bitmask(6,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(6,2),iand(key_in(6,2),cas_bitmask(6,2,1))), virt_bitmask(6,2) ), virt_bitmask(6,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(7,1), xor(key_in(7,1),iand(key_in(7,1),cas_bitmask(7,1,1)))), inact_bitmask(7,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(7,2), xor(key_in(7,2),iand(key_in(7,2),cas_bitmask(7,2,1)))), inact_bitmask(7,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(7,1),iand(key_in(7,1),cas_bitmask(7,1,1))), virt_bitmask(7,1) ), virt_bitmask(7,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(7,2),iand(key_in(7,2),cas_bitmask(7,2,1))), virt_bitmask(7,2) ), virt_bitmask(7,2)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(8,1), xor(key_in(8,1),iand(key_in(8,1),cas_bitmask(8,1,1)))), inact_bitmask(8,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(8,2), xor(key_in(8,2),iand(key_in(8,2),cas_bitmask(8,2,1)))), inact_bitmask(8,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(8,1),iand(key_in(8,1),cas_bitmask(8,1,1))), virt_bitmask(8,1) ), virt_bitmask(8,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(8,2),iand(key_in(8,2),cas_bitmask(8,2,1))), virt_bitmask(8,2) ), virt_bitmask(8,2)) )
|
|
|
|
else
|
|
|
|
do i = 1, N_int
|
|
i_diff = i_diff &
|
|
+ popcnt( xor( iand(inact_bitmask(i,1), xor(key_in(i,1),iand(key_in(i,1),cas_bitmask(i,1,1)))), inact_bitmask(i,1)) ) &
|
|
+ popcnt( xor( iand(inact_bitmask(i,2), xor(key_in(i,2),iand(key_in(i,2),cas_bitmask(i,2,1)))), inact_bitmask(i,2)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(i,1),iand(key_in(i,1),cas_bitmask(i,1,1))), virt_bitmask(i,1) ), virt_bitmask(i,1)) ) &
|
|
+ popcnt( iand( iand( xor(key_in(i,2),iand(key_in(i,2),cas_bitmask(i,2,1))), virt_bitmask(i,2) ), virt_bitmask(i,2)) )
|
|
enddo
|
|
endif
|
|
is_a_two_holes_two_particles = (i_diff >3)
|
|
end
|
|
|
|
|
|
|
|
|
|
integer function number_of_holes_verbose(key_in)
|
|
! function that returns the number of holes in the inact space
|
|
implicit none
|
|
integer(bit_kind), intent(in) :: key_in(N_int,2)
|
|
integer :: i
|
|
integer(bit_kind) :: key_tmp(N_int,2)
|
|
print*,'HOLES '
|
|
print*,'jey_in = '
|
|
call debug_det(key_in,N_int)
|
|
number_of_holes_verbose = 0
|
|
key_tmp(1,1) = xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))
|
|
key_tmp(1,2) = xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,1,1)))
|
|
call debug_det(key_tmp,N_int)
|
|
key_tmp(1,1) = iand(key_tmp(1,1),inact_bitmask(1,1))
|
|
key_tmp(1,2) = iand(key_tmp(1,2),inact_bitmask(1,2))
|
|
call debug_det(key_tmp,N_int)
|
|
key_tmp(1,1) = xor(key_tmp(1,1),inact_bitmask(1,1))
|
|
key_tmp(1,2) = xor(key_tmp(1,2),inact_bitmask(1,2))
|
|
call debug_det(key_tmp,N_int)
|
|
! number_of_holes_verbose = number_of_holes_verbose + popcnt(key_tmp(1,1)) &
|
|
! + popcnt(key_tmp(1,2))
|
|
number_of_holes_verbose = number_of_holes_verbose &
|
|
+ popcnt( xor( iand(inact_bitmask(1,1), xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1)))), inact_bitmask(1,1)) )&
|
|
+ popcnt( xor( iand(inact_bitmask(1,2), xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1)))), inact_bitmask(1,2)) )
|
|
print*,'----------------------'
|
|
end
|
|
|
|
|
|
integer function number_of_particles_verbose(key_in)
|
|
! function that returns the number of particles in the inact space
|
|
implicit none
|
|
integer(bit_kind), intent(in) :: key_in(N_int,2)
|
|
integer :: i
|
|
integer(bit_kind) :: key_tmp(N_int,2)
|
|
print*,'PARTICLES '
|
|
print*,'jey_in = '
|
|
call debug_det(key_in,N_int)
|
|
number_of_particles_verbose = 0
|
|
key_tmp(1,1) = xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,1,1)))
|
|
key_tmp(1,2) = xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,1,1)))
|
|
call debug_det(key_tmp,N_int)
|
|
key_tmp(1,1) = iand(key_tmp(1,2),virt_bitmask(1,2))
|
|
key_tmp(1,2) = iand(key_tmp(1,2),virt_bitmask(1,2))
|
|
call debug_det(key_tmp,N_int)
|
|
key_tmp(1,1) = iand(key_tmp(1,1),virt_bitmask(1,1))
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key_tmp(1,2) = iand(key_tmp(1,2),virt_bitmask(1,2))
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call debug_det(key_tmp,N_int)
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! number_of_particles_verbose = number_of_particles_verbose + popcnt(key_tmp(1,1)) &
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! + popcnt(key_tmp(1,2))
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number_of_particles_verbose = number_of_particles_verbose &
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+ popcnt( iand( iand( xor(key_in(1,1),iand(key_in(1,1),cas_bitmask(1,1,1))), virt_bitmask(1,1) ), virt_bitmask(1,1)) ) &
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+ popcnt( iand( iand( xor(key_in(1,2),iand(key_in(1,2),cas_bitmask(1,2,1))), virt_bitmask(1,2) ), virt_bitmask(1,2)) )
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end
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