Replace the occurrences of 0.0f == test' with 0.0f == HTF(test)'. The
types of 0.0f and test are not the same, so the equality comparison will
get undesired result when the test represents a -0.0h (i.e., test is
32768=0x8000). In this situation, 0.0f == test will be false, but 0.0f
== HTF(test) will be true.
Revise each if-statement to match the OpenCL s7.5.3 Item 4, specifically
modify to check that the result is subnormal instead of checking that it
is zero. "If the result of 3. is a sub-normal before rounding, the
result may be flushed to zero"
Co-authored-by: tnimburk <tnimburk@qti.qualcomm.com>
7d86714c10