Scripted HTML version of Foils prepared 27 December 1996

Foil 10 Examples of POINTER's in 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 128.1
One can define a linked list as:
TYPE ENTRY
  • REAL VALUE
  • INTEGER INDEX
  • TYPE(ENTRY), POINTER :: NEXT
END TYPE ENTRY
ALLOCATE Creates dynamically elements in a linked list
CURRENT = ENTRY( NEW_VALUE, NEW_INDEX, FIRST)
FIRST => CURRENT
adds a new entry at start of linked list and renames it with POINTER FIRST

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