Intel® Fortran supports most of the Fortran 2003 standard (ISO/IEC 1539-1:2004) and includes support for many features in the Fortran 2008 standard (ISO/IEC 1539-2:2004). It conforms to American National Standard Fortran 95 (ANSI X3J3/96-007) 1 and American National Standard Fortran 90 (ANSI X3.198-1992). 2
The Fortran Standards committee J3 is currently answering questions of interpretation of Fortran 2008, Fortran 2003, and Fortran 95 language features. Any answers given by the committee that are related to features implemented in Intel Fortran may result in changes in future releases of the Intel Fortran compiler, even if the changes produce incompatibilities with earlier releases of Intel Fortran.
Intel Fortran provides a number of extensions to the Fortran 2003 Standard. In the language reference, extensions (non-standard features) are displayed in this color.
Intel Fortran also includes support for programs that conform to the previous Fortran standards (ANSI X3.9-1978 and ANSI X3.0-1966), the International Standards Organization standard ISO 1539-1980 (E), the Federal Information Processing Institute standard FIPS 69-1, and the Military Standard 1753 Language Specification.
1 This is the same as International Standards Organization standard ISO/IEC 1539-1:1997 (E).
2 This is the same as International Standards Organization standard ISO/IEC 1539:1991 (E).
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