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Extended Intrinsic Functions and Standard Library

Experience with massively parallel machines has identified several basic operations that are very valuable in parallel algorithm design. The Fortran 90 array intrinsics anticipated some of these, but not all. HPF adds several classes of parallel operations to the language definition as intrinsic functions and as standard library functions. In addition, several system inquiry functions useful for controlling parallel execution are provided in HPF. Section describes these functions and subroutines.