[Kst] extragear/graphics/kst/patches

[Barth Netterfield]

How much speed up do you get?


On October 31, 2005 07:22 pm, George Staikos wrote:
> SVN commit 476262 by staikos:
>
> A patch to implement a short-cut interpolation in the hot spots in curve
> plotting.  It removes a function call (inlines it) and two branches, one of
> which has a disjunction, neither of which are likely.  However it's
> slightly incomplete because it can cause invalid memory accesses if the
> vectors have size == 1 and it tries to plot them.  

> The easy solution is to 
> plot nothing if one of the vectors has size == 1, but I suspect that's
> undesired.

We need to be able to plot a single x,y point.

But in 'line' mode, I can't see that we would ever need to plot a curve with 
only one point in one of the vectors.  So we could have two interpolates: one 
for w/ lines and one for w/ points.