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Elemental procedures

Elemental procedures

ELEMENTAL procedures provide the programmer with more powerful expressive capabilities and the processor with additional opportunities for efficient parallelisation.

Extending the concept of elemental procedures from intrinsic to user-defined procedures is very much analogous to, but simpler than, extending the concept of generic procedures from intrinsic to user-defined procedures. Generic procedures were introduced for intrinsic procedures in Fortran 77 and extended to user-defined procedures in Fortran 90. Elemental procedures were introduced for intrinsic procedures in Fortran 90 and, because of their usefulness in parallel processing, it is quite natural that they be extended to user-defined procedures in Fortran 95. ELEMENTAL procedures are PURE.

 

 

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