[Mesa-dev] [PATCH 03/13] gallium/auxiliary: Use exp2(x) instead of pow(2.0, x).

Matt Turner mattst88 at gmail.com
Wed Jul 15 12:44:20 PDT 2015

On Mon, Jul 13, 2015 at 5:13 PM, Roland Scheidegger <sroland at vmware.com> wrote:
> Did you replace 2 of them by exp2f but one by exp2f on purpose?
> I don't think we can use exp2/exp2f in gallium. This requires msvc 2013
> (all of exp2, exp2f, powf are c99, powf is supported by older msvc but
> the others are not). I guess though could throw some wrappers into
> c99_math.h.

I think this series adds uses of sinf, cosf, exp2f, logf, and powf.

I see existing uses of sinf, cosf, logf, and powf in tgsi_exec.c.
Presumably that means they're safe for me to use elsewhere?

I also see that lp_test_arit.c uses exp2f. Presumably that means it's
also safe to use?

I don't see wrappers for any of these.

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