Basic HTML version of Foils prepared August 7 98

Foil 36 Mapping Options for Dummy Arguments

From DoD HPF Training -- 4. HPF Data Mapping Facilities DoD Training and Others -- 1995-98. by Chuck Koelbel -- Rice University
1 Three classes of mappings for dummy arguments
  • Prescriptive: ³Wherever the actual is, remap it here²
    • Syntax: DISTRIBUTE A (BLOCK)
    • Note: Remapping is undone on return
  • Descriptive: ³The actual should be here²
    • Syntax: DISTRIBUTE A *(BLOCK)
    • Note: If actual is not there, a warning is suggested but not required
  • Transcriptive: ³Leave the actual where it is²
    • Syntax: DISTRIBUTE A *
    • Or: INHERIT A
2 Sorting some of these cases out requires doing special things in the caller
  • When this is needed, an explicit interface is required
  • Explicit interfaces are a good idea in other cases too
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