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! { dg-do run }
! { dg-require-effective-target fortran_large_real }
! Program to test the UNPACK intrinsic for large real type
program intrinsic_unpack
implicit none
integer,parameter :: k = selected_real_kind (precision (0.0_8) + 1)
real(kind=k), dimension(3,3) :: ark, brk
complex(kind=k), dimension(3,3) :: ack, bck
logical, dimension(3, 3) :: mask
character(len=500) line1, line2
integer i
mask = reshape ((/.false.,.true.,.false.,.true.,.false.,.false.,&
&.false.,.false.,.true./), (/3, 3/));
ark = reshape ((/1._k, 0._k, 0._k, 0._k, 1._k, 0._k, 0._k, 0._k, 1._k/), &
(/3, 3/));
brk = unpack ((/2._k, 3._k, 4._k/), mask, ark)
if (any (brk .ne. reshape ((/1._k, 2._k, 0._k, 3._k, 1._k, 0._k, &
0._k, 0._k, 4._k/), (/3, 3/)))) &
call abort
write (line1,'(9F9.5)') brk
write (line2,'(9F9.5)') unpack((/2._k, 3._k, 4._k/), mask, ark)
if (line1 .ne. line2) call abort
brk = -1._k
brk = unpack ((/2._k, 3._k, 4._k/), mask, 0._k)
if (any (brk .ne. reshape ((/0._k, 2._k, 0._k, 3._k, 0._k, 0._k, &
0._k, 0._k, 4._k/), (/3, 3/)))) &
call abort
ack = reshape ((/1._k, 0._k, 0._k, 0._k, 1._k, 0._k, 0._k, 0._k, 1._k/), &
(/3, 3/));
bck = unpack ((/(2._k, 0._k), (3._k, 0._k), (4._k, 0._k)/), mask, ack)
if (any (real(bck) .ne. reshape ((/1._k, 2._k, 0._k, 3._k, 1._k, 0._k, &
0._k, 0._k, 4._k/), (/3, 3/)))) &
call abort
write (line1,'(18F9.5)') bck
write (line2,'(18F9.5)') unpack((/(2._k, 0._k), (3._k, 0._k), (4._k,0._k)/), &
mask, ack)
if (line1 .ne. line2) call abort
end program
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