This guide provides information on implementing FORTRAN 77 programs using the MIPSpro Fortran 77 compiler on the IRIX operating system, Version 6.2 and above. This implementation of FORTRAN 77 contains full American National Standards Institute (ANSI) Programming Language Fortran (X3.9-1978) (in June, 1997, ANSI no longer supported this standard). Extensions provide full VMS Fortran compatibility to the extent possible without the VMS operating system or VAX data representation. This implementation of FORTRAN 77 also contains extensions that provide partial compatibility with programs written in SVS Fortran. This book also describes the Auto-Parallelizing Option (APO) which is an optional software product available for purchase.
The MIPSpro Fortran 77 compiler supports the -n32 and -n64 ABI (Application Binary Interface). The Fortran 77 compiler supports only the -o32 ABI.
This manual is one of a set of manuals that describes the compiler. The complete set of manuals is as follows:
The MIPSpro Fortran 77 Language Reference Manual provides a description of the FORTRAN 77 language as implemented on SGI systems.
The MIPSpro N32/64 Compiling and Performance Tuning Guide provides information about improving program performance by using the optimization facilities of the compiler system, the dump utilities, archiver, debugger, and the tools used to maintain Fortran programs.
The MIPSpro 64-Bit Porting and Transition Guide provides an overview of the 64-bit compiler system and language implementation differences, porting source code to the 64-bit system, compilation and run-time issues.
The MIPSpro Fortran 90 Commands and Directives Reference Manual provides information about the Fortran 90 and 95 compiler.
The f77(1), abi(5), lno(5), o32(5), opt(5), and pe_environ(5) man pages
You can obtain compiler message explanations by using the online explain(1) command.
In addition to printed and online prose documentation, several online man pages describe aspects of the compiler. Man pages exist for the library routines, the intrinsic procedures, and several programming environment tools.
You can print copies of online man pages by using the pipe symbol with the man(1), col(1), and lpr(1) commands. In the following example, these commands are used to print a copy of the explain (1) man page:
% man explain | col -b | lpr |
Each man page includes a general description of one or more commands, routines, system calls, or other topics, and provides details of their usage (command syntax, routine parameters, system call arguments, and so on). If more than one topic appears on a page, the entry in the printed manual is alphabetized under its primary name; online, secondary entry names are linked to these primary names. For example, egrep is a secondary entry on the page with a primary entry name of grep. To access egrep online, you can type man grep or man egrep. Both commands display the grep man page to your terminal.
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The following conventions are used throughout this document:
| Convention | Meaning | |
| command | This fixed-space font denotes literal items such as commands, files, routines, path names, signals, messages, and programming language structures. | |
| variable | Italic typeface denotes variable entries and words or concepts being defined. | |
| user input | This bold, fixed-space font denotes literal items that the user enters in interactive sessions. Output is shown in nonbold, fixed-space font. | |
| [ ] | Brackets enclose optional portions of a command or directive line. | |
| ... | Ellipses indicate that a preceding element can be repeated. |
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