intrinsic_mmloc.f90 [plain text]
! Program to test the MINLOC and MAXLOC intrinsics
program testmmloc
implicit none
integer, dimension (3, 3) :: a
integer, dimension (3) :: b
logical, dimension (3, 3) :: m
integer i
a = reshape ((/1, 2, 3, 5, 4, 6, 9, 8, 7/), (/3, 3/));
b = minloc (a, 1)
if (b(1) .ne. 1) call abort
if (b(2) .ne. 2) call abort
if (b(3) .ne. 3) call abort
m = .true.
m(1, 1) = .false.
m(1, 2) = .false.
b = minloc (a, 1, m)
if (b(1) .ne. 2) call abort
if (b(2) .ne. 2) call abort
if (b(3) .ne. 3) call abort
b(1:2) = minloc(a)
if (b(1) .ne. 1) call abort
if (b(2) .ne. 1) call abort
b(1:2) = minloc(a, mask=m)
if (b(1) .ne. 2) call abort
if (b(2) .ne. 1) call abort
b = maxloc (a, 1)
if (b(1) .ne. 3) call abort
if (b(2) .ne. 3) call abort
if (b(3) .ne. 1) call abort
m = .true.
m(1, 2) = .false.
m(1, 3) = .false.
b = maxloc (a, 1, m)
if (b(1) .ne. 3) call abort
if (b(2) .ne. 3) call abort
if (b(3) .ne. 2) call abort
b(1:2) = maxloc(a)
if (b(1) .ne. 1) call abort
if (b(2) .ne. 3) call abort
b(1:2) = maxloc(a, mask=m)
if (b(1) .ne. 2) call abort
if (b(2) .ne. 3) call abort
end program