f66

Tells the compiler to apply FORTRAN 66 semantics.

IDE Equivalent

Windows: Language > Enable FORTRAN 66 Semantics
Linux: None

IA-32, Intel® EM64T, Intel® Itanium® architecture

Linux:	-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'

Linux: -66
Windows: None