| ! Program to test WHERE inside FORALL |
| program where_1 |
| integer :: A(5,5) |
| |
| A(1,:) = (/1,0,0,0,0/) |
| A(2,:) = (/2,1,1,1,0/) |
| A(3,:) = (/1,2,2,0,2/) |
| A(4,:) = (/2,1,0,2,3/) |
| A(5,:) = (/1,0,0,0,0/) |
| |
| ! Where inside FORALL. |
| ! WHERE masks must be evaluated before executing the assignments |
| forall (I=1:5) |
| where (A(I,:) .EQ. 0) |
| A(:,I) = I |
| elsewhere (A(I,:) >2) |
| A(I,:) = 6 |
| endwhere |
| end forall |
| |
| if (any (A .ne. reshape ((/1, 1, 1, 1, 1, 0, 1, 2, 1, 2, 0, 1, 2, 3, 0, & |
| 0, 1, 4, 2, 0, 0, 5, 6, 6, 5/), (/5, 5/)))) STOP 1 |
| |
| ! Where inside DO |
| A(1,:) = (/1,0,0,0,0/) |
| A(2,:) = (/2,1,1,1,0/) |
| A(3,:) = (/1,2,2,0,2/) |
| A(4,:) = (/2,1,0,2,3/) |
| A(5,:) = (/1,0,0,0,0/) |
| |
| do I=1,5 |
| where (A(I,:) .EQ. 0) |
| A(:,I) = I |
| elsewhere (A(I,:) >2) |
| A(I,:) = 6 |
| endwhere |
| enddo |
| |
| if (any (A .ne. reshape ((/1, 1, 1, 1, 1, 0, 1, 2, 1, 2, 0, 1, 2, 6, 0, & |
| 0, 1, 0, 2, 0, 0, 0, 5, 5, 5/), (/5, 5/)))) STOP 2 |
| end |
