Nothing
tileArea <- function(x,y,rw) {
n <- length(x)
eps <- sqrt(.Machine$double.eps)
area <- 0
for(i in 1:n) {
ip <- if(i==n) 1 else i+1
tmp <- .Fortran(
"stoke",
x1=as.double(x[i]),
y1=as.double(y[i]),
x2=as.double(x[ip]),
y2=as.double(y[ip]),
rw=as.double(rw),
area=double(1),
s1=double(1),
eps=as.double(eps),
PACKAGE="deldir"
)
area <- area+tmp[["area"]]*tmp[["s1"]]
}
area
}
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