blob: b0d402fcee5ff737aeffef7bedf17916cb7b0877 [file] [log] [blame]
 ! Program to test FORALL construct program forall_1 call actual_variable () call negative_stride () call forall_index () contains subroutine actual_variable () integer:: x = -1 integer a(3,4) j = 100 ! Actual variable 'x' and 'j' used as FORALL index forall (x = 1:3, j = 1:4) a (x,j) = j end forall if (any (a.ne.reshape ((/1,1,1,2,2,2,3,3,3,4,4,4/), (/3,4/)))) STOP 1 if ((x.ne.-1).or.(j.ne.100)) STOP 2 call actual_variable_2 (x, j, a) end subroutine subroutine actual_variable_2(x, j, a) integer x,j,x1,j1 integer a(3,4), b(3,4) ! Actual variable 'x' and 'j' used as FORALL index. forall (x=3:1:-1, j=4:1:-1) a(x,j) = j b(x,j) = j end forall if (any (a.ne.reshape ((/1,1,1,2,2,2,3,3,3,4,4,4/), (/3,4/)))) STOP 3 if (any (b.ne.reshape ((/1,1,1,2,2,2,3,3,3,4,4,4/), (/3,4/)))) STOP 4 if ((x.ne.-1).or.(j.ne.100)) STOP 5 end subroutine subroutine negative_stride () integer a(3,4) integer x, j ! FORALL with negative stride forall (x = 3:1:-1, j = 4:1:-1) a(x,j) = j + x end forall if (any (a.ne.reshape ((/2,3,4,3,4,5,4,5,6,5,6,7/), (/3,4/)))) STOP 6 end subroutine subroutine forall_index integer a(32,32) ! FORALL with arbitrary number indexes forall (i1=1:2,i2=1:2,i3=1:2,i4=1:2,i5=1:2,i6=1:2,i7=1:2,i8=1:2,i9=1:2,& i10=1:2) a(i1+2*i3+4*i5+8*i7+16*i9-30,i2+2*i4+4*i6+8*i8+16*i10-30) = 1 end forall if ((a(5,5).ne.1).or. (a(32,32).ne.1)) STOP 7 end subroutine end