Common Pitfalls in F77 Code Conversion

Abstract

Differences between recognized standardization, i.e. ANSI standards and common usage de-facto' standards, occasionally lead to incompatibilities and inconsistencies. These often impede efforts to compile and execute supposedly standard software in a different hardware and software environment than that in which it was originally created/targeted. One such instance is described herein as a service to persons who may one day be called upon to perform similar code porting. The code addressed in this example performs a statistical analysis of the background clutter content of imagery data. This analysis can be used to pre-select appropriate digital filtering algorithms to de-emphasize the predominant background and other clutter data. The original input data is RADAR imagery, but the statistical analyses are applicable to sources such as acoustical and video data as well. Code examples are included as appropriate to illustrate changes required.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 2003
Accession Number
ADA415558

Entities

People

  • Walter A. Koziarz

Organizations

  • Air Force Research Laboratory

Tags

DTIC Thesaurus Topics

  • Air Force Research Laboratories
  • Algorithms
  • Computer Programming
  • Computer Programs
  • Computers
  • Conversion
  • Environment
  • High Performance Computing
  • Language
  • Materials
  • Operating Systems
  • Parallel Processing
  • Parallel Processors
  • Programming Languages
  • Standards
  • Statistical Analysis
  • Translations

Fields of Study

  • Computer science

Readers

  • Computer Science.
  • Computer Vision.
  • Systems Analysis and Design