HTML version of Scripted Foils prepared 27 December 1996

Foil 3 Important Features of Fortran90

From CPS615-Introduction to F90 Features, Rationale for HPF and Problem Architecture Delivered Lectures of CPS615 Basic Simulation Track for Computational Science -- 24 September 96. by Geoffrey C. Fox *
Secs 21.6
1 Arrays are very well supported with memory allocation and set of intrinsics, better passing to procedures etc.
  • This is key capability for HPF
2 Derived Types allow general object structure (without inheritance) in F90
  • Pointers
  • This area NOT well supported by HPF Compilers as of Summer 1996
3 Modules replace COMMON INCLUDE etc.
4 Procedures (functions,subroutines) allow better interfaces, recursion, optional parameters etc.
5 Better Syntax with free form, more loop control etc.
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