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get_dp
2017 Jun 06
4
Antw: Re: celt_inner_prod() and dual_inner_prod() NEON intrinsics
...& b==0.0)) ... but I haven't try this.
>From some faint memory of my math lessions I had produced code like this to get the smallest floating-point number different from zero:
double EPS; /* smallest number not equal to 0.0 */
/* refined estimate of EPS */
static double get_EPS(double eps)
{
while ( 1.0 + eps != 1.0 )
eps /= 2;
return(eps);
}
EPS = get_EPS(1.0);
On the x86_64 platform I get:
(gdb) p EPS
$1 = 1.1102230246251565e-16
Maybe it can help...
Regards,
Ulrich
>
> Thanks,
> Linfeng
>
> On Mon, Jun 5, 2017 at 8...
2017 Jun 06
0
celt_inner_prod() and dual_inner_prod() NEON intrinsics
...try this.
>
>
> From some faint memory of my math lessions I had produced code like this
> to get the smallest floating-point number different from zero:
>
> double EPS; /* smallest number not equal to 0.0 */
>
> /* refined estimate of EPS */
> static double get_EPS(double eps)
> {
>
> while ( 1.0 + eps != 1.0 )
> eps /= 2;
> return(eps);
> }
>
> EPS = get_EPS(1.0);
>
> On the x86_64 platform I get:
> (gdb) p EPS
> $1 = 1.1102230246251565e-16
>
> Maybe it can help...
>
> Regards,...
2017 Jun 06
3
celt_inner_prod() and dual_inner_prod() NEON intrinsics
Hi Linfeng,
On 05/06/17 03:31 PM, Linfeng Zhang wrote:
> Yes we'll have one more patch set related to xcorr in next week. Please
> don't wait if it's too late for 1.2 release.
Assuming there's no issue with the patches, next week isn't too late.
Also, I've started looking at your patches. So far there's one thing
that puzzles me a bit. In the OPUS_CHECK_ASM