On Fri, Oct 24, 2014 at 1:17 AM, Francisco Jerez <curroje...@riseup.net> wrote:
> Matt Turner <matts...@gmail.com> writes:
>> +float
>> +brw_vf_to_float(unsigned char vf)
>> +{
>> + union fu fu;
>> +
>> + /* ±0.0f is special cased. */
>> + if (vf == 0x00 || vf == 0x80) {
>> + fu.u = vf << 24;
>> + return fu.f;
>> + }
>
> No need to special-case 0, AFAICT this just repeats the same you're
> doing below.
It is necessary: otherwise brw_vf_to_float(±0.125f) would return a VF
matching ±0.0f.
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