Warp <war### [at] tagpovrayorg> wrote in news:3d50449e@news.povray.org

> You have probably confused something else with this. There's no
> practical 
> difference between addition and multiplication.

and how about optimizing i.e. 

x*x*x      <-->  pow(x,3)
x*y + x*z  <-->  x*(y+z)
sqrt(ln(pow(x,100))) + sqrt(ln(pow(x,100))) <--> 2*sqrt(ln(pow(x,100)))

etc ?
it would be very good idea to optimize functions in isosurface


-- 
#macro g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local l=mod(c,100
);g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end light_source{
y 2}sphere{z*20 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M

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