[rrd-developers] Re: LINE2 precision in rrdtool 1.1.x

[Rutger Sassen]

Hello,

I tested my patch on 1.0.40 and did not encounter any problems.
My problems with the generated graphs since then are solved.
I'd rather use the default distribution than a patched one, so
is there any change that my patch or Stan's will be incorporated
in the stable branch (1.0.41) ? 

Cheers,

Rutger

 
> Maybe something like this would work (untested, patched from 1.0.40
> so 1.1.x could be different):
> 
>     long  best_part_step_diff=0, tmp_part_step_diff=0;
>     ...
>     } else {
>                 /* best partial match */
>                 tmp_match = full_match;
>                 if (cal_start>*start)
>                     tmp_match -= (cal_start-*start);
>                 if (cal_end<*end)
>                     tmp_match -= (*end-cal_end);
>                 tmp_part_step_diff = labs(*step - (rrd.stat_head->pdp_step
>                                               * rrd.rra_def[i].pdp_cnt));
>                 if (first_part || best_match < tmp_match ||
>                         ((best_match == tmp_match) &&
>                         (tmp_part_step_diff < best_part_step_diff) )){
>                     first_part=0;
>                     best_match = tmp_match;
>                     best_part_rra =i;
>                     best_part_step_diff = tmp_part_step_diff;
>                 }

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