Intel® Fortran Compiler 17.0 Developer Guide and Reference
Tells the compiler to apply FORTRAN 66 semantics.
Linux and macOS: | -f66 |
Windows: | /f66 |
None
OFF |
The compiler applies Fortran 95 semantics. |
This option tells the compiler to apply FORTRAN 66 semantics when interpreting language features. This causes the following to occur:
DO loops are always executed at least once
FORTRAN 66 EXTERNAL statement syntax and semantics are allowed
If the OPEN statement STATUS specifier is omitted, the default changes to STATUS='NEW' instead of STATUS='UNKNOWN'
If the OPEN statement BLANK specifier is omitted, the default changes to BLANK='ZERO' instead of BLANK='NULL'
Visual Studio: Language > Enable FORTRAN 66 Semantics
Eclipse: None
Xcode: Language > Enable FORTRAN 66 Semantics
None