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I have seen /* block comment */ for block commenting in C++. I know I can do line commenting by using ! or c, but is there any option for block commenting in Fortran?
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In Fortran 90 free source form means you are free to type comments and commands wherever you want. An exclamation point, ! (also known as a "bang"), is used to indicate a comment statement. The comment statement follows the bang and continues to the end of the line.
Everything from the // to the end of the line is a comment. To mark an entire region as a comment, use /* to start the comment and */ to end the comment. * This is a block comment. * This code does nothing.
A line that begins with the letter "c" or an asterisk in the first column is a comment. Comments may appear anywhere in the program. Well-written comments are crucial to program readability. Commercial Fortran codes often contain about 50% comments.
No, the strange concept of block comments is alien to Fortran. Your editor or development environment might provide a way to comment a block of lines in one go.
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You can do a little hack though:
go to 100 ! CHUNK OF CODE YOU WANT TO COMMENT OUT 100 continue Yeah, I know it's horrible but it works. :)
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