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Approved Extensions for HPF Extrinsics (Section )

A number of specific extrinsic interfaces are defined in Section 11 as approved HPF 2.0 extensions. These include interfaces to facilitate interoperability with other languages (e.g., C and FORTRAN 77) as well as interfaces for different models of parallelism (LOCAL for SPMD parallel, and SERIAL for single-process sequential). Library routines useful in the extrinsic models are defined in Section 11.7. Additional extrinsic interfaces that are formally recognized by the HPF Forum, but not defined and maintained by the Forum, are included in Annexes F and G. The policy and mechanism for formal recognition of such extrinsic interfaces is described in Annex E.