Intel® Fortran Compiler Classic and Intel® Fortran Compiler Developer Guide and Reference

ID 767251
Date 7/13/2023
Public

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Document Table of Contents

free

Specifies source files are in free format.

Syntax

Linux:

-free

-nofree

macOS:

-free

-nofree

Windows:

/free

/nofree

Arguments

None

Default

OFF

The source file format is determined from the file extension.

Description

This option specifies source files are in free format. If this option is not specified, format is determined as follows:

  • Files with an extension of .f90, .F90, or .i90 are free-format source files.

  • Files with an extension of .f, .for, .FOR, .ftn, or .i are fixed-format files.

IDE Equivalent

Visual Studio: Language > Source File Format (/free, /fixed)

Alternate Options

Linux and macOS: -FR

Windows: /nofixed, /FR, /4Yf

See Also