[PATCH 6 of 8 faster-obsmarkers] getbefloat64: drop unnecessary memcpy

[Augie Fackler]

On Tue, Feb 3, 2015 at 9:12 AM, Julien Cristau
<julien.cristau at logilab.fr> wrote:
> -fno-strict-aliasing can't guarantee correct alignment, though, so
> unless you're sure the const char * is always 8-byte aligned you can't
> just cast it.  IOW, the union is probably safest.


I'm confused how the char* relates to the caast of the uint64_t to double?

I'll do a resend with a union.