| ! Program to test the arithmetic if statement | |
| function testif (a) | |
| implicit none | |
| integer a, b, testif | |
| if (a) 1, 2, 3 | |
| b = 2 | |
| goto 4 | |
| 1 b = -1 | |
| goto 4 | |
| 2 b = 0 | |
| goto 4 | |
| 3 b = 1 | |
| 4 testif = b | |
| end function | |
| program testwrite | |
| implicit none | |
| integer i | |
| integer testif | |
| if (testif (-10) .ne. -1) STOP 1 | |
| if (testif (0) .ne. 0) STOP 2 | |
| if (testif (10) .ne. 1) STOP 3 | |
| end program |