Sreelakshmi Haridas Maruthur 79f692d8e5 subgroups: Fix setting cl_halfs and progress check. (#1278) ...

* subgroups: Fix setting cl_halfs and progress check.

cl_float testing uses set_value such that a generated cl_ulong of 1 is
stored as 1.0F in a logical sense. However, cl_half values aren't
intrinsic to C++ and generated cl_ulongs less than 1024 in particular
are interpreted bitwise as subnormals. The test fails on compute devices
lacking subnormal support. Perform the logical conversion to cl_half.

Fix independent forward progress check.

* subgroups_half: Address review comments

* subgroups_half: Formatting fixes required by check-format

* subgroups_half: Modified to query and use rounding mode supported by device

Co-authored-by: spauls <spauls@qti.qualcomm.com>

2021-07-21 08:51:29 +01:00

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