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A 64 year old man developed a severe, erythematous, blistering rash that required hospital admission. His face, neck, forearms, and lower legs were affected (fig 1). The eruption …

Aristotle provides program analysis information, and supports the development of software engineering tools. Aristotle's front end consists of parsers that gather control flow, local dataflow and symbol table information for procedural language programs. We implemented a parser for C by incorporating analysis routines into the GNU C parser; a C++ parser is being implemented using similar techniques. Aristotle tools use the data provided by the parsers to perform a variety of tasks, such as dataflow and control dependence analysis, dataflow testing, graph construction and graph viewing. Most of Aristotle's components function on single procedures and entire programs. Parsers and tools use database handler routines to store information in, and retrieve it from, a central database. A user interface provides interactive menu-driven access to tools, and users can view results textually or graphically. Many tools can also be invoked directly from applications programs, which facilitates the development of new tools. To assist with system development and maintenance, we are also creating support tools for managing bug and test suite databases.

Thefeatures and uses of SCOOP are described in thefollowing paper. Section 2 provides a description of the theoretical model behind SCOOP whilst Section 3 describes the procedure to generate tidal current databanks, which are used in the SCOOP model. Thefourth section describes the actual running of the package including the data required and the output produced for each simulation. Section 5 explains the uses of the package and the applicationsfor pollution control officers, offshore operators and insurance liability assessors.