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This standard, designated FORTRAN 77, introduced many new statements into the language. In fact, the previous language standard FORTRAN 66 is a very small document and describes, what is in effect, a subset of most implementations of FORTRAN. For example, the WATFIV and WATFOR-11 implementations are based upon the IBM definition of FORTRAN-IV.
An important practical extension to FORTRAN 77 was the release of MIL-STD-1753 in 1978. [37] This specification, developed by the U.S. Department of Defense, standardized a number of features implemented by most FORTRAN 77 compilers but not included in the ANSI FORTRAN 77 standard. These features would eventually be incorporated into the ...
Software is written in standard Fortran 77 and also has an interactive command language that allows the use of Fortran 77 mathematical and character expressions, macros, control flows and parallelization. Standard protocols are also written in this command language and can be modified by user without changing the source code. [3]
SLATEC Common Mathematical Library is a FORTRAN 77 library of over 1,400 general purpose mathematical and statistical routines. The code was developed at US government research laboratories and is therefore public domain software.
Industrial Real-Time Fortran (IRTF) was developed, during the decade of 1970-1980, to augment the Fortran language with library bindings useful for process and device control, and I/O. Also included in IRTF was a set of bit-manipulation functions which were eventually incorporated into MIL_STD-1753 for Fortran-77, and later into Fortran-90.
Simply Fortran is an Integrated Development Environment (IDE) for GNU Fortran (which currently implements FORTRAN 77, Fortran 90, Fortran 95, Fortran 2003 and Fortran 2008). [1] The project is maintained by the company Approximatrix, LLC.
Several output formats are supported such as X11, VGA, PostScript, PDF, CGM, WMF, EMF, SVG, HPGL, PNG, BMP, PPM, GIF and TIFF. DISLIN is available for the programming languages Fortran 77, Fortran 90/95 and C. Plotting extensions for the languages Perl, Python, Java, Julia, Ruby, Go and Tcl are also supported for most operating systems.
American Standard FORTRAN. American Standards Association, X3.9-1966. p. 38. 4.2.6 Hollerith Type. A Hollerith datum is a string of characters. This string may consist of any characters capable of representation in the processor. The blank character is a valid and significant character in a Hollerith datum.