R Under development (unstable) (2023-11-07 r85491 ucrt) -- "Unsuffered Consequences"
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> ##
> ##  c r o s s n . R  tests
> ##
> 
> crossn <- pracma::crossn
> 
> x <- c(1.0, 0.0, 0.0)
> y <- c(1.0, 0.5, 0.0)
> z <- c(0.0, 0.0, 1.0)
> identical(pracma::dot(x, crossn(rbind(y, z))),
+           det(rbind(x, y, z)))
[1] TRUE
> 
> proc.time()
   user  system elapsed 
   0.07    0.07    0.14