JTC1/SC22/WG5The main item of business was to construct a new draft of the Technical Specification (TS) on Further Coarray Features that would be suitable for sending to SC22 for a formal vote as a PDTS. Other items were to consider defect reports, construct the list of deficiencies and discrepancies in Fortran 2008 to be addressed in the next revision, and to review the current draft of the next revision. While the comments in the ballot N2013 on the present draft TS N2007 were less major those those on its predecessor, significant changes were made in response. These were mainly to the intrinsic procedures. An optional argument STAT was added to the atomic subroutines to allow the programmer to test for problems including requesting an action on a failed or stopped image. The collective subroutines were simplified to perform their actions on a coarray in place - if the original value is required, this is easy to obtain by making a copy beforehand. New intrinsics were added to test the status (OK, stopped, or failed) of an image and to provide a list of stopped images. Changes were made to identify a team by its team variable instead of its distance.
Because of delays with the TS, its schedule and that for the next revision of the standard were changed. The new schedule is here N2024. The new plan is for each TS feature to be incorporated in the draft standard once it is firm, rather than waiting for the publication of the TS. The TS is planned for publication in January 2016 and the new standard in February 2018.
Work was done on the interpretations and it was decided that the delay in the revision was such that another corrigendum would be needed this year.
A final choice was made of the deficiencies and discrepancies in Fortran 2008 that will be addressed in the revision, see N2023.
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