R Under development (unstable) (2024-06-16 r86763 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2024 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> #'  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 
   0.14    0.03    0.17