gcc/testsuite/gfortran.dg/do_concurrent_2.f90

   1 ! { dg-do run }
   2 !
   3 ! PR fortran/44646
   4 !
   5 ! DO CONCURRENT
   6 !
   7 implicit none
   8 integer :: i, j
   9 integer :: A(5,5)
  10
  11 A = 0.0
  12 do concurrent (i=1:5, j=1:5, (i/=j))
  13   if (i == 5) cycle
  14   A(i,j) = i*j
  15 end do
  16
  17 if (any (A(:,1) /= [0,  2,  3,  4, 0])) STOP 1
  18 if (any (A(:,2) /= [2,  0,  6,  8, 0])) STOP 2
  19 if (any (A(:,3) /= [3,  6,  0, 12, 0])) STOP 3
  20 if (any (A(:,4) /= [4,  8, 12,  0, 0])) STOP 4
  21 if (any (A(:,5) /= [5, 10, 15, 20, 0])) STOP 5
  22
  23 A = -99
  24
  25 do concurrent (i = 1 : 5)
  26   forall (j=1:4, i/=j)
  27     A(i,j) = i*j
  28   end forall
  29   if (i == 5) then
  30     A(i,i) = -i
  31   end if
  32 end do
  33
  34 if (any (A(:,1) /= [-99,   2,   3,   4,  5])) STOP 6
  35 if (any (A(:,2) /= [  2, -99,   6,   8, 10])) STOP 7
  36 if (any (A(:,3) /= [  3,   6, -99,  12, 15])) STOP 8
  37 if (any (A(:,4) /= [  4,   8,  12, -99, 20])) STOP 9
  38 if (any (A(:,5) /= [-99, -99, -99, -99, -5])) STOP 10
  39
  40 end