R Under development (unstable) (2024-11-01 r87285 ucrt) -- "Unsuffered Consequences"
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> #'  spatstat.utils/tests/circleseg.R
> 
> require(spatstat.utils)
Loading required package: spatstat.utils
> 
> #' tests of R/xycircle.R, src/circxseg.c
> 
> x0 <- (0:4)/4
> y0 <- runif(5)
> x1 <- x0 + runif(5)
> y1 <- y0 + runif(5)
> 
> xc <- runif(4)
> yc <- runif(4)
> rc <- runif(4)
> 
> ansX <- xysegXcircle(xc, yc, rc[1:3], x0, y0, x1, y1)
> ansM <- xysegMcircle(xc, yc, matrix(rc, 4, 2), x0, y0, x1, y1)
> ansP <- xysegPcircle(xc, yc, rc, x0, y0, x1, y1)
> 
> proc.time()
   user  system elapsed 
   0.25    0.06    0.29