LFP User's Manual (Lincoln FORTRAN Preprocessor) Version 02.01 for MODCOMP Systems

Abstract

The Lincoln Fortran Preprocessor (LFP) was constructed to facilitate structured programming by extending FORTRAN to include the most useful top down control structures. The choice of FORTRAN for a target language was dictated by its being the only higher level language available on many mini-computers. This work was motivated by a desire to make top-down structured programming tools available for the development of FORTRAN software. LFP is an upward compatible extension of FORTRAN which provides five new top down decision structures, five additional loop structures and an internal procedure capability. In addition to structured control, LFP provides a neat, automatically-formatted, structured listing. The ease of program construction and clarity of program documentation are greatly enhanced thus reducing the clerical detail and the likelihood of programming in bugs. At Lincoln Laboratory, LFP is implemented on a Modcomp 4 under MAX 4-rev D operating system and on an Amdahl 470 with the CP/CMS operating system.

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Document Details

Document Type
Technical Report
Publication Date
May 12, 1981
Accession Number
ADA103529

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  • Edward T. Bayliss
  • James H. Cosgrove
  • James M. Sivak

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  • Massachusetts Institute of Technology

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