* 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>
79f692d8e5