1/10/2024 0 Comments Photran eclipse neon.2In the tree on the left, navigate to Fortran General > Source Form.In the Fortran Projects view, right-click on a project, and choose Properties.The filename extensions listed above are the defaults for new Fortran projects. The default filename extensions are as follows.įree source form with C preprocessor directivesĬonfiguring Source Form/Filename Extension Associations Photran uses filename extensions to determine whether a file is in fixed- or free-form and whether or not it is C-preprocessed. (Although column 72 is specified in the Fortran standard, most compilers allow you to change this to permit longer lines Photran allows you to change it as well, as described in the next section.) In fixed form, a "c", "C", "*", or "!" in column 1 indicates a comment columns 1 through 5 are used for a statement label a character in column 6 indicates a continuation line and program statements are contained in columns 7 through 72. It is more common in Fortran 77 and earlier programs, although it is still part of Fortran 2003. Photran also supports C preprocessor directives, such as #define, #ifdef, #include, _FILE_, and _LINE_ in Fortran code.įixed form is an older form designed for punch cards. Photran supports both fixed-form and free-form Fortran code. Configuring Source Forms and Filename Extensions
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