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! { dg-do run }
! Test maxloc for strings for different code paths
program main
implicit none
integer, parameter :: n=4
character(len=4), dimension(n,n) :: c
integer, dimension(n,n) :: a
integer, dimension(2) :: res1, res2
real, dimension(n,n) :: r
logical, dimension(n,n) :: amask
logical(kind=8) :: smask
integer :: i,j
integer, dimension(n) :: q1, q2
character(len=4,kind=4), dimension(n,n) :: c4
character(len=4), dimension(n*n) :: e
integer, dimension(n*n) :: f
logical, dimension(n*n) :: cmask
call random_number (r)
a = int(r*100)
do j=1,n
do i=1,n
write (unit=c(i,j),fmt='(I4.4)') a(i,j)
write (unit=c4(i,j),fmt='(I4.4)') a(i,j)
end do
end do
res1 = maxloc(c)
res2 = maxloc(a)
if (any(res1 /= res2)) STOP 1
res1 = maxloc(c4)
if (any(res1 /= res2)) STOP 2
amask = a < 50
res1 = maxloc(c,mask=amask)
res2 = maxloc(a,mask=amask)
if (any(res1 /= res2)) STOP 3
amask = .false.
res1 = maxloc(c,mask=amask)
if (any(res1 /= 0)) STOP 4
amask(2,3) = .true.
res1 = maxloc(c,mask=amask)
if (any(res1 /= [2,3])) STOP 5
res1 = maxloc(c,mask=.false.)
if (any(res1 /= 0)) STOP 6
res2 = maxloc(a)
res1 = maxloc(c,mask=.true.)
if (any(res1 /= res2)) STOP 7
q1 = maxloc(c, dim=1)
q2 = maxloc(a, dim=1)
if (any(q1 /= q2)) STOP 8
q1 = maxloc(c, dim=2)
q2 = maxloc(a, dim=2)
if (any(q1 /= q2)) STOP 9
q1 = maxloc(c, dim=1, mask=amask)
q2 = maxloc(a, dim=1, mask=amask)
if (any(q1 /= q2)) STOP 10
q1 = maxloc(c, dim=2, mask=amask)
q2 = maxloc(a, dim=2, mask=amask)
if (any(q1 /= q2)) STOP 11
amask = a < 50
q1 = maxloc(c, dim=1, mask=amask)
q2 = maxloc(a, dim=1, mask=amask)
if (any(q1 /= q2)) STOP 12
q1 = maxloc(c, dim=2, mask=amask)
q2 = maxloc(a, dim=2, mask=amask)
if (any(q1 /= q2)) STOP 13
e = reshape(c, shape(e))
f = reshape(a, shape(f))
if (maxloc(e,dim=1) /= maxloc(f,dim=1)) STOP 14
cmask = .false.
if (maxloc(e,dim=1,mask=cmask) /= 0) STOP 15
cmask = f > 50
if ( maxloc(e, dim=1, mask=cmask) /= maxloc (f, dim=1, mask=cmask)) STOP 16
end program main
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