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Elemental Reference of Pure Procedures

One proposal suggested allowing elemental invocation of pure procedures (see Section ) under certain conditions. The essential idea was that functions with scalar arguments which could be guaranteed to have no side effects could be invoked elementally, as are intrinsic functions such as SIN. The proposal was rejected in a narrow vote, in part because it was seen as too large a change to Fortran 90. After its rejection, the committee voted unanimously to recommend that the ANSI X3J3 committee consider user-defined elemental functions for a future version of Fortran.