Hi ,
I have a function which passes a vector from R to C. However the size of the
vector is decided inside the c program. But as I have to pass the size while
calling the function from R lot of my space is getting wasted. Is there any
other alternative?

I call c function as :
hi<-.C("main",v1=as.double(vector("double",1000)),v2=as.double(vector("double",1000)),v3=as.double(vector("double",1000)),v4=as.double(vector("double",1000)),"points.csv",as.integer(15000),"quad.csv")
Here if only 250 space are filled then in remaining 750 space 0.0 is
returned and I don't want that
moreover I want that the resultant vector should be returned back to R.

Thanks

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