4.5) Making Decisions
Shown in the table are some of the decisions that you can test for in Fortran.
| Test | Description |
| > | Tests if LHS is greater than RHS, e.g. a > b? |
| < | Tests if LHS is less than RHS, e.g. a < b? |
| >= | Tests if LHS is greater or equal to RHS |
| <= | Tests if LHS is less than or equal to RHS |
| == | Tests if LHS is equal to RHS |
| /= | Tests if LHS is not equal to RHS |
This is the list of the commonly used tests that can be used in if statements.
Some compilers in Fortran 77 will only accept decisions in the following forms.
| Fortran 95 | Fortran 77 |
| > | .gt. |
| < | .lt. |
| >= | .ge. |
| <= | .le. |
| == | .eq. |
| /= | .ne. |